Tag Archives: gearbox speed

China Custom Nmrv Series Aluminum Speed Reducer Durable Service Life Worm Gearbox manufacturer

Product Description

Product Parameters

Editing and broadcasting of main materials

1. Body, die-casting aluminum alloy;

2. Worm shaft, 20 Crq steel, high temperature treatment;

3. Worm gear, nickel bronze alloy;

4. Aluminum alloy body, sandblasting and surface anti-corrosion treatment;

5. Cast iron body, painted with bIu RA5571.

Regular center distance specification editing and broadcasting

Center distance: 130 (unit: mm).

Output hole/shaft diameter: 11, 14, 18, 25, 28, 35, 42, 45 (unit: mm)

Detailed Photos

NMRV-063-30-VS–AS-80B5-0.75KW-B3
NMRV	Means hole-input with flange
NRV	Means shaft-input without flange
063	Centre-to-centre spacing of worm-gear speed reducer
30	ratio
VS	Double input shaft	F1(FA)	Flange putput shaft
AS	Single output shaft	AB	Double output shaft
PAM		80B5	Motor mounting facility
0.75KW		B3	Mounting position

N2	NRV571	NRV030	NRV040	NRV050	NRV063	NRV075	NRV090	NRV110	NRV130
400	390	530	1571	1400	1830	2160	2390	3571	3950
250	460	620	1200	1650	2150	2520	2800	3530	4610
150	550	740	1420	1960	2450	2990	3310	4180	5470
100	630	850	1620	2250	2910	3430	3800	4790	6260
60	740	1000	1920	2660	3450	4060	4500	5680	7420
40	850	1150	2200	3050	3950	4650	5150	6500	8500
25	990	1350	2570	3570	4620	5440	6571	7600	9940
10	1350	1830	3490	4840	6270	7380	8180	10320	13500

A	50	65	84	101	120	131	162	191	203
B	38	50	64	76	95	101	122	151	163

Use and safety guarantee

1. Please check and confirm the matching intensity between worm gear reducer and mechanical equipment before use to assure that it is in the safety range of worm gear reducer performance parameters
2. Worm gear reducer has filled with WA460 lubricating oil. Please replace the lubricating oil after the first starting of 400 hours and after then 4000 hours for lubricating oil replacing cycle
3. There should be enough lubrication in worm gear box and keep regular check with the oil level.
4. When installation. please be careful to avoid sharp instruments bruising the oil seals on output shaft to cause leakage
5. Please confirm the rotation direction before mechanical connection. If the rotation direction is not correct, it will possible injury or damage the devices
6. Please set safety covers in rotating position to avoid of injuring
7. Please pay full attention: it is very dangerous if there is off or falling when movin

Hardness:	Hardened Tooth Surface
Installation:	90 Degree
Layout:	Expansion
Gear Shape:	Bevel Gear
Step:	Single-Step
Type:	Gear Reducer

Samples:	US$ 30/Piece 1 Piece(Min.Order) \| Request Sample

worm gearbox

Self-Locking Properties in a Worm Gearbox

Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.

The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.

This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.

However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.

When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.

worm gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:

Aspect	Worm Gearbox	Helical Gearbox
Efficiency	Lower efficiency due to sliding friction between the worm and worm wheel.	Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission	Excellent torque transmission and high reduction ratios achievable in a single stage.	Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration	Generally higher noise and vibration levels due to sliding action.	Lower noise and vibration levels due to smoother rolling contact.
Backlash	Higher inherent backlash due to the design.	Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds	Less suitable for high-speed applications due to efficiency loss.	More suitable for high-speed applications due to higher efficiency.
Overload Protection	Natural self-locking feature provides some overload protection.	May not have the same level of inherent overload protection.
Applications	Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery.	Widely used in various applications including automotive transmissions, industrial machinery, and more.

Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:

Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.

China Custom Nmrv Series Aluminum Speed Reducer Durable Service Life Worm Gearbox manufacturer
editor by CX 2023-09-13

China Good quality RV Series Worm Gearbox Speed Worm Gear Screw Car Wash Machine Worm Gearbox sequential gearbox

Product Description

Applicable Industries	Hotels, Garment Shops, Building Material Shops, Manuf
Worm wheel material	5,7.5,10,15,20,25,30,40,50,60,80,100
Type	Worm Gear Speed Reducer / Gearbox / Reductor
Color	Customized Color
Packing	Carton, Honey Comb Carton, Wooden Case with Wooden Pallet
Ratio	7.5/10/15/20/25/30/40/50/60/80/100
Flange	IEC standard flange or customized dimensions
Housing Material	chromium alloy 20CrMnTi
Output Speed	1400RPM
Output Torque	1.8-2430N.M
Input Speed	0.28~4.7rpm
Package weight	10kg

PRODUCTS CHARACTERISTICS
1. Mad of high-quality aluminum alloy,light weight and non-rusting
2. Large output torque
3. Smooth in running and low in noise,can work long time in dreadful conditions.
4. High in radiating efficiency.
5. Good-looking in appearance,durable in service life and small in volume.
6. Suitable for omnibearing installation.

FAQ
Q1:Are you a manufacturer or trading company?
Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
motor.

Q2:How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q3:What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

Q4:What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry, escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

Q5:How about your delivery time?
For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty. For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.Please take the sales confirmation for final reference.

Q6:What’s your warranty terms?
One year

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	as for Request
Hardness:	Hardened Tooth Surface
Installation:	as for Request
Step:	as for Request

Samples:	US$ 25/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

worm gearbox

How to Install and Align a Worm Reducer Properly

Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:

Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

worm gearbox

Materials Used for Worm Gears

Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:

Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.

The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China Good quality RV Series Worm Gearbox Speed Worm Gear Screw Car Wash Machine Worm Gearbox sequential gearbox
editor by CX 2023-09-13

China Hot selling Wpa135 5.5HP/CV 4kw Speed Transmission Wpa Worm Gearbox with Good quality

Product Description

> Product Introduction

Wpw Worm Worm Reductor

1, WP series worm gearbox ‘s the transmission smooth, vibration, shock and noise are small, a large reduction ratio, wide versatility, with all kinds of mechanical equipment.

2, WPA series speed reducer are able to obtain a larger single-stage transmission gear ratio, compact, most models have better gear self-locking, braking requirements for mechanical equipment can save brakes

3, worm thread engagement with the worm gear tooth surface friction loss greater than the gear transmission efficiency and therefore low, easy to heat and higher temperatures.

4, interworking good worm manufactured according to national standards, bearings, seals etc with standard parts. 5,

5, box type basic type (vertical or horizontal box for 2 structures with bottom foot) and the universal type (box is rectangular, multi-faceted with fixed screw, not fitted with bottom foot or the other end foot and other structural type)

6, WP series gear box input shaft coupling methods are the basic type (single input shaft and dual input shaft), 2 motor with flange.

7, WP series reducer ‘ output, position and direction of the input shaft and the input shaft on the next; the output axis and down; the input shaft and down.

8, WP series worm gearbox can be 2 or 3 sets consisting of multi stage gear reducer to get great gear ratio.

Type:	WP gears reduction gear
Model:	WPA40-250
Ratio:	10,15,20,25,30,40,50,60
Color:	Green,Brown
Material:	Cast iron body
	Worm Gear- Cooper-10-3 #
	Worm-20CrMnTi with carburizing and quenching, surface hardness is 56-62HRC
	Shaft-chromium steel-45#
Packing:	Paper Carton,Plywood box / per set(With foam board inside)
Warranty:	1 year
Input Power:	0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,4kw,5.5kw,7.5kw
Usages:	In industrial machine: Food stuff,Ceramics,chemical, aswell as packing, printing, dyeing,woodworking, glass and plastics…..
IEC Flange:	80B5,90B5,100B5,112B5,132B5….
Lubricant:	Synthetic & Mineral

> Catalogue

> Our Motor Advantages

1. Reasonable price with excellent quality
2.Each 1 tests carefully
3.Clear nameplate
4.Reliable package
5.High efficiency, smooth runingand low noise
6.Best materials make best performance

> Producing Process

> WORKSHOP EQUIPMENT:

CERTIFICATION :

> PACKAGE :
for 1 container, directly loading ,for less, all goods with pallet,

FAQ

FAQ
1, Q:what’s your MOQ for ac gearbox motor ?
A: 1pc is ok for each type electric gear box motor

2, Q: What about your warranty for your induction speed reducer motor ?
A: 1 year ,but except man-made destroyed

3, Q: which payment way you can accept ?
A: TT, western union .

4, Q: how about your payment way ?
A: 100%payment in advanced less $5000 ,30% payment in advanced payment , 70% payment before sending over $5000.

5, Q: how about your packing of speed reduction motor ?
A: plywood case ,if size is small ,we will pack with pallet for less 1 container

6, Q: What information should be given, if I buy electric helical geared motor from you ?
A: rated power, ratio or output speed,type ,voltage , mounting way , quantity , if more is better.

Application:	Motor, Machinery, Agricultural Machinery
Function:	Speed Changing, Speed Reduction
Layout:	Bevel
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Double-Step

Customization:	Available \| Customized Request

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:

Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.

If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.

worm gearbox

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:

Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.

However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:

Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.

Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.

worm gearbox

How to Select the Right Worm Gearbox for Your Application

Selecting the right worm gearbox for your application involves careful consideration of various factors:

Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
Mounting Options: Determine the mounting orientation and configuration that best suits your application.
Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.

Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.

China Hot selling Wpa135 5.5HP/CV 4kw Speed Transmission Wpa Worm Gearbox with Good quality
editor by CX 2023-09-13

China high quality Nmrv025-150 Hollow Shaft Speed Reducer Worm Gearbox for AC Motor gearbox adjustment

Product Description

Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Detailed Photos

Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS

Exploded View:

Product Parameters

Old Model	New Model	Ratio	Center Distance	Power	Input Dia.	Output Dia.	Output Torque	Weight
RV571		7.5~100	25mm	0.06KW~0.12KW	Φ9	Φ11	21N.m	0.7kgs
RV030	RW030	7.5~100	30mm	0.06KW~0.25KW	Φ9(Φ11)	Φ14	45N.m	1.2kgs
RV040	RW040	7.5~100	40mm	0.09KW~0.55KW	Φ9(Φ11,Φ14)	Φ18(Φ19)	84N.m	2.3kgs
RV050	RW050	7.5~100	50mm	0.12KW~1.5KW	Φ11(Φ14,Φ19)	Φ25(Φ24)	160N.m	3.5kgs
RV063	RW063	7.5~100	63mm	0.18KW~2.2KW	Φ14(Φ19,Φ24)	Φ25(Φ28)	230N.m	6.2kgs
RV075	RW075	7.5~100	75mm	0.25KW~4.0KW	Φ14(Φ19,Φ24,Φ28)	Φ28(Φ35)	410N.m	9.0kgs
RV090	RW090	7.5~100	90mm	0.37KW~4.0KW	Φ19(Φ24,Φ28)	Φ35(Φ38)	725N.m	13.0kgs
RV110	RW110	7.5~100	110mm	0.55KW~7.5KW	Φ19(Φ24,Φ28,Φ38)	Φ42	1050N.m	35.0kgs
RV130	RW130	7.5~100	130mm	0.75KW~7.5KW	Φ24(Φ28,Φ38)	Φ45	1550N.m	48.0kgs
RV150	RW150	7.5~100	150mm	2.2KW~15KW	Φ28(Φ38,Φ42)	Φ50		84.0kgs

GMRV Outline Dimension:

GMRV	A	B	C	C1	D(H8)	E(h8)	F	G	G1	H	H1	I	M	N	O	P	Q	R	S	T	BL	β	b	t	V
030	80	97	54	44	14	55	32	56	63	65	29	55	40	57	30	75	44	6.5	21	5.5	M6*10(n=4)	0°	5	16.3	27
040	100	121.5	70	60	18(19)	60	43	71	78	75	36.5	70	50	71.5	40	87	55	6.5	26	6.5	M6*10(n=4)	45°	6	20.8(21.8)	35
050	120	144	80	70	25(24)	70	49	85	92	85	43.5	80	60	84	50	100	64	8.5	30	7	M8*12(n=4)	45°	8	28.3(27.3)	40
063	144	174	100	85	25(28)	80	67	103	112	95	53	95	72	102	63	110	80	8.5	36	8	M8*12(n=8)	45°	8	28.3(31.3)	50
075	172	205	120	90	28(35)	95	72	112	120	115	57	112.5	86	119	75	140	93	11	40	10	M8*14(n=8)	45°	8(10)	31.3(38.3)	60
090	206	238	140	100	35(38)	110	74	130	140	130	67	129.5	103	135	90	160	102	13	45	11	M10*16(n=8)	45°	10	38.3(41.3)	70
110	255	295	170	115	42	130	–	144	155	165	74	160	127.5	167.5	110	200	125	14	50	14	M10*18(n=8)	45°	12	45.3	85
130	293	335	200	120	45	180	–	155	170	215	81	179	146.5	187.5	130	250	140	16	60	15	M12*20(n=8)	45°	14	48.8	100
150	340	400	240	145	50	180	–	185	200	215	96	210	170	230	150	250	180	18	72.5	18	M12*22(n=8)	45°	14	53.8	120

Company Profile

About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
   A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
   A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
   A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
   A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
   A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application:	Motor, Machinery, Marine, Agricultural Machinery, Industry
Function:	Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Right Angle
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Double-Step

Samples:	US$ 10/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

worm gearbox

Is it Possible to Reverse the Direction of a Worm Gearbox?

Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:

Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.

If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.

worm gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

worm gearbox

Can a Worm Gearbox Provide High Torque Output?

Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.

The torque output of a worm gearbox is influenced by several factors:

Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.

Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.

China high quality Nmrv025-150 Hollow Shaft Speed Reducer Worm Gearbox for AC Motor gearbox adjustment
editor by CX 2023-09-13

China Custom Customized RV Speed Reducer Transmission Belt Worm Gearbox Ratio 7.5-100 with Good quality

Product Description

Detailed Photos

Exploded View:

Product Parameters

Old Model	New Model	Ratio	Center Distance	Power	Input Dia.	Output Dia.	Output Torque	Weight
RV571		7.5~100	25mm	0.06KW~0.12KW	Φ9	Φ11	21N.m	0.7kgs
RV030	RW030	7.5~100	30mm	0.06KW~0.25KW	Φ9(Φ11)	Φ14	45N.m	1.2kgs
RV040	RW040	7.5~100	40mm	0.09KW~0.55KW	Φ9(Φ11,Φ14)	Φ18(Φ19)	84N.m	2.3kgs
RV050	RW050	7.5~100	50mm	0.12KW~1.5KW	Φ11(Φ14,Φ19)	Φ25(Φ24)	160N.m	3.5kgs
RV063	RW063	7.5~100	63mm	0.18KW~2.2KW	Φ14(Φ19,Φ24)	Φ25(Φ28)	230N.m	6.2kgs
RV075	RW075	7.5~100	75mm	0.25KW~4.0KW	Φ14(Φ19,Φ24,Φ28)	Φ28(Φ35)	410N.m	9.0kgs
RV090	RW090	7.5~100	90mm	0.37KW~4.0KW	Φ19(Φ24,Φ28)	Φ35(Φ38)	725N.m	13.0kgs
RV110	RW110	7.5~100	110mm	0.55KW~7.5KW	Φ19(Φ24,Φ28,Φ38)	Φ42	1050N.m	35.0kgs
RV130	RW130	7.5~100	130mm	0.75KW~7.5KW	Φ24(Φ28,Φ38)	Φ45	1550N.m	48.0kgs
RV150	RW150	7.5~100	150mm	2.2KW~15KW	Φ28(Φ38,Φ42)	Φ50		84.0kgs

GMRV Outline Dimension:

GMRV	A	B	C	C1	D(H8)	E(h8)	F	G	G1	H	H1	I	M	N	O	P	Q	R	S	T	BL	β	b	t	V
030	80	97	54	44	14	55	32	56	63	65	29	55	40	57	30	75	44	6.5	21	5.5	M6*10(n=4)	0°	5	16.3	27
040	100	121.5	70	60	18(19)	60	43	71	78	75	36.5	70	50	71.5	40	87	55	6.5	26	6.5	M6*10(n=4)	45°	6	20.8(21.8)	35
050	120	144	80	70	25(24)	70	49	85	92	85	43.5	80	60	84	50	100	64	8.5	30	7	M8*12(n=4)	45°	8	28.3(27.3)	40
063	144	174	100	85	25(28)	80	67	103	112	95	53	95	72	102	63	110	80	8.5	36	8	M8*12(n=8)	45°	8	28.3(31.3)	50
075	172	205	120	90	28(35)	95	72	112	120	115	57	112.5	86	119	75	140	93	11	40	10	M8*14(n=8)	45°	8(10)	31.3(38.3)	60
090	206	238	140	100	35(38)	110	74	130	140	130	67	129.5	103	135	90	160	102	13	45	11	M10*16(n=8)	45°	10	38.3(41.3)	70
110	255	295	170	115	42	130	–	144	155	165	74	160	127.5	167.5	110	200	125	14	50	14	M10*18(n=8)	45°	12	45.3	85
130	293	335	200	120	45	180	–	155	170	215	81	179	146.5	187.5	130	250	140	16	60	15	M12*20(n=8)	45°	14	48.8	100
150	340	400	240	145	50	180	–	185	200	215	96	210	170	230	150	250	180	18	72.5	18	M12*22(n=8)	45°	14	53.8	120

Company Profile

Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application:	Motor, Machinery, Marine, Agricultural Machinery, Industry
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Right Angle
Gear Shape:	Worm Gear
Step:	Double-Step

Samples:	US$ 12/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

worm gearbox

Can a Worm Gearbox be Used for High-Speed Applications?

Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:

Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.

While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.

worm gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

worm gearbox

What Industries Commonly Use Worm Reducers?

Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:

Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.

Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.

China Custom Customized RV Speed Reducer Transmission Belt Worm Gearbox Ratio 7.5-100 with Good quality
editor by CX 2023-09-13

China Professional Nmrv/Nrv Nmrv110 Worm Gear Speed Reduction Reducer Gearbox with high quality

Product Description

NMRV REDUCTION WORM GEARBOX
The NMRV 110 angular worm gear motor is designed to increase torque while reducing rotational speed. The drive is equipped with a single-stage gearbox and an electric motor with a power of 0.55 – 7.5 kW. The torque on the output shaft is 163 – 767 N * m. Gear Ratio Range: 7.5 – 100.
The NMRV 110 unit has the same mounting dimensions as the SITI MU105 and Varvel SRT 110 gearmotors, so it can be used to replace them.
Materials parts:
Body – iron, flanges – iron, worm – steel CHINAMFG worm wheel – bronze.
Type of lubricant: synthetic ISO VG 220.
Weight: 35 kg.

Type designation scheme

NMRV – 110 – 40 – 35 – 1.5 – B6

NMRV – worm gear motor
110 – size (center distance, mm)
40 – gear ratio
35 – output shaft rotation speed, rpm
1,5 – electric motor power, kW
B6 – mounting position

NMRV 110 gearbox performance

i	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
i	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
7.5	373	391	16.60	92	187	532	11.60	90	120	637	9.10	88
10	280	424	13.50	92	140	571	9.30	90	90	672	7.20	87
15	187	423	9.30	89	93	565	6.40	86	60	669	5.00	84
20	140	498	8.30	88	70	649	5.60	85	45	748	4.30	82
25	112	453	5.90	90	56	580	4.00	85	36	674	3.10	82
30	93	349	4.00	85	47	553	3.40	80	30	663	2.70	77
40	70	554	4.90	83	35	681	3.20	78	23	809	2.60	75
50	56	531	3.80	82	28	657	2.50	77	18	746	1.90	74
60	47	428	2.70	78	23	546	1.80	73	15	615	1.40	69
80	35	445	2.20	74	18	549	1.50	68	11	640	1.10	67
100	28	394	1.70	68	14	473	1.10	63	9	557	0.89	59

n1 – rotational speed el. engine;
n2 – revolutions on the output shaft;
T 2M – torque on the output shaft;
P is the maximum allowable engine power;
RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.

2.Compact,convenient.

3.High efficiency,big torque.

Overall and mounting dimensions NMRV 110

NMRV110 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 110 gearbox

Geared NMRV110 can be supplied with unilateral or bilateral output shaft.
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness:	Hardened
Installation:	Any Angle
Gear Shape:	Worm Gear
Step:	Single-Step
Type:	Worm and Wormwheel

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

worm gearbox

Maintenance Tips for Prolonging the Life of a Worm Gearbox

Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:

Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.

By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.

worm gearbox

How to Calculate the Efficiency of a Worm Gearbox

Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:

Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%

For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.

It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.

worm gearbox

Preventing Backlash in a Worm Gearbox

Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:

High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.

It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.

China Professional Nmrv/Nrv Nmrv110 Worm Gear Speed Reduction Reducer Gearbox with high quality
editor by CX 2023-09-13

China Professional Nmrv/Nrv Nmrv040 Worm Gear Speed Reduction Reducer Gearbox cvt gearbox

Product Description

NMRV REDUCTION WORM GEARBOX
The NMRV 040 worm gear motor is characterized by a wide range of gear ratios (5 – 80), a compact aluminum alloy housing, and ease of installation and maintenance. The unit is equipped with an engine power of 0.09 – 0.55 kW. Output shaft rotation frequency: 900 – 2800 rpm.
The NMRV 040 motor gearbox has similar mounting dimensions with the Siti MU40, STM UMI 40, Varvel SRT 40 drives and can be used to replace them.
Parts materials:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze.
Type of lubricant: synthetic ISO VG 320.
Weight: 2.3 kg.

Type designation scheme

NMRV – 040 – 80 – 17.5 – 0.12 – B3

NMRV – worm gear motor
040 – size (center distance, mm)
80 – gear ratio
17.5 – output shaft rotation speed, rpm
0,12 – electric motor power, kW
B3 – mounting position

NMRV 040 gearbox performance

I	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
I	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
5	560	24	1.50	87	280	36	1.10	86	180	41	0.80	84
7.5	373	29	1.30	88	187	41	0.93	86	120	49	0.73	84
10	280	32	1.10	86	140	44	0.76	84	90	50	0.58	82
15	187	34	0.78	84	93	44	0.53	81	60	52	0.41	79
20	140	31	0.56	82	70	40	0.37	79	45	47	0.29	76
25	112	34	0.50	79	56	43	0.34	74	36	49	0.26	71
30	93	33	0.44	73	47	38	0.27	68	30	43	0.21	65
40	70	35	0.36	72	35	44	0.24	67	23	52	0.19	64
50	56	32	0.29	65	28	41	0.20	60	18	48	0.16	57
60	47	29	0.24	59	23	38	0.17	54	15	41	0.13	50
80	35	23	0.15	56	18	31	0.11	51	11	37	0.09	49
100	28	24	0.13	53	14	29	0.09	48	9	33	0.07	44

n1 – rotational speed el. engine;
n2 – revolutions on the output shaft;
T 2M – torque on the output shaft;
P is the maximum allowable engine power;
RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.

3.High efficiency,big torque.

Overall and mounting dimensions NMRV 040

NMRV040 gear motor has a wide range of gear ratios.
Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 040 gearbox

Geared NMRV040 can be supplied with unilateral or bilateral output shaft.
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness:	Hardened
Installation:	Any Angle
Gear Shape:	Worm Gear
Step:	Single-Step
Type:	Worm and Wormwheel

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

worm gearbox

Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

worm gearbox

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:

Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.

However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:

Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.

worm gearbox

Types of Worm Gear Configurations and Their Uses

Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:

Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.

Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.

China Professional Nmrv/Nrv Nmrv040 Worm Gear Speed Reduction Reducer Gearbox cvt gearbox
editor by CX 2023-09-13

China Best Sales Small Model Nmrv 025 Speed Reducer Worm Gearbox gearbox drive shaft

Product Description

Introduction of Worm Gearbox

1. Made of high-quality aluminum alloy or stainless steel, light in weight and non-rusting

2. Smooth in running and low in noise, can work long time in dreadful conditions

3. High in radiating efficiency

4. Good-looking in appearance, durable in service life and small in volume

5. Suitable for omni-bearing installation

6. Inch size and metric size are both available

Worm Gearbox Main Materials

1. Housing: Die-cast aluminum alloy(frame size 571-090); cast iron(frame size 110-150 )

2. Worm shaft: 20CrMnTi, carbonize heat treatment make the hardness of gear’s surface up to 56-62 HRC. Retain carburization layer’s thickness between 0.3 and 0.5mm after precise grinding

3. Worm wheel: Wearable tin bronze alloy

Detailed Specification

Type:	Worm Gear Speed Reducer
Model:	NMRV571-150
Ratio:	5,7.5,10,15,20,25,30,40,50,60,80,100
Color:	Blue/silver or on customer request
Material:	Housing: Aluminium alloy or cast iron Worm Gear: Copper-10-3# Worm: 20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC Shaft: Chromium steel-45#
Lubricant:	Synthetic & Mineral
Bearing:	C&U bearing
Seal:	KSK & SKF
Temperature:	-30-40°C
IEC Flange	B5/B14
Rated Power	0.06kw~15kw
Application	Metallurgical machinery, food machinery, stage machinery, welding machinery, road machinery, amusement machines, packaging machinery, rubber and plastic machinery, environmental protection machinery, engineering machinery, construction machinery, machine tool industry, automotive industry, logistics and transportation and so on

Mounting Method

Company Overview

Certificates

Exhibitions

FAQ

1 Q: What’s your MOQ for Worm Gearbox?
A: 1 unit is ok for different types.

2 Q: What about your warranty for your Worm Gearbox?
A: One year.

3 Q: Do you provide OEM service with customer-logo?
A: Yes, we could do OEM orders, but we mainly focus on our own brand.

4 Q: How about your payment terms ?
A: TT, western union and paypal. 100% payment in advanced for orders less $5,000. 30% deposit and balance before delivery for orders over $5,000.

5 Q: How about your packing ?
A: Carton, Plywood case. If you need more, we can pack all goods with pallet

6 Q: What information should be given, if I buy Worm Gearbox from you ?
A: Rated power, gearbox ratio, input speed, mounting position. More details, better!

7 Q: How do you deliver the Worm Gearbox?
A: We will compare and choose the most suitable ways of delivery by sea, air or express courier.

We hope you will enjoy cooperating with us.

Application:	Motor, Machinery, Agricultural Machinery
Function:	Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Right Angle Shaft
Hardness:	Hardened Tooth Surface
Installation:	Flange Mounting
Step:	Four-Step

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

worm gearbox

Self-Locking Properties in a Worm Gearbox

worm gearbox

Worm Gearbox Applications in Robotics and Automation

Worm gearboxes play a crucial role in various robotics and automation applications due to their unique characteristics and benefits. Here are some common applications where worm gearboxes are used:

Robotic Arm Movement: Worm gearboxes are employed in robotic arms to provide precise and controlled movement. The self-locking property of worm gearboxes helps maintain the arm’s position without requiring additional brakes.
Conveyor Systems: In automated production lines, worm gearboxes are used to drive conveyor belts and move materials or products along assembly lines with accuracy.
Precision Positioning: Worm gearboxes are used in precision positioning systems, such as those found in pick-and-place robots and CNC machines. They ensure accurate and repeatable movements.
Pan and Tilt Mechanisms: Worm gearboxes are utilized in pan and tilt mechanisms of surveillance cameras, robotic cameras, and sensors. The self-locking feature helps stabilize and maintain the desired angle.
Automated Gates and Doors: Worm gearboxes are used in automated gate and door systems to control their opening and closing movements smoothly and safely.
Material Handling: Robots in warehouses and distribution centers use worm gearboxes to manipulate and lift objects, enhancing efficiency in material handling.
Medical Robotics: Worm gearboxes are employed in medical robots for surgical procedures, diagnostic equipment, and rehabilitation devices, ensuring precise and controlled movements.
Industrial Robots: Industrial robots rely on worm gearboxes for various tasks, including welding, painting, assembly, and packaging, where precise movements are essential.
Automated Testing Equipment: In testing and inspection applications, worm gearboxes provide the necessary movement and positioning for accurate testing and measurements.
Food and Beverage Industry: Worm gearboxes are used in automated food processing and packaging systems, ensuring hygienic and precise movement of products.

Worm gearboxes are preferred in these applications due to their compact size, high torque output, self-locking feature, and ability to provide a right-angle drive. However, selecting the right gearbox requires considering factors such as load, speed, efficiency, and environmental conditions.

worm gearbox

Preventing Backlash in a Worm Gearbox

Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:

High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.

China Best Sales Small Model Nmrv 025 Speed Reducer Worm Gearbox gearbox drive shaft
editor by CX 2023-09-13

China wholesaler 304 316 Stainless Steel Food Industry Water Proof Washdown Worm Gear Speed Reduction Drive Gearbox with Good quality

Product Description

304 316 Stainless Steel Food Industry Water Proof Washdown Worm Gear Speed Reduction Drive Gearbox

Features

1. All external surfaces stainless steel
2. Low noise, low vibration, and lightweight
3. Completely smooth surface
4. Ideal for food processing, packaging, outdoor and highly corrosive environments, suitable for frequent washdown

Product Parameters

Power	1/4HP~30HP
Frame Size	IEC 63-90 B5 B14, NEMA 56, 140T-280
Phase	Single or Three
Voltage	(208-230)230/460V
Poles	2, 4, 6, 8 poles
Protection Class	IP69
Cooling method	TENV or TEFC
Mounting Type	B14, B3, B5, B35, B34
Ambient Temperature	-15 ~ +40 °C
Altitude	≤1000M
Material	Stainless steel 304

Detailed Photos

FAQ

Q: Can you make the electric motor with customization?
A: Yes, we can customize per your request, like power, voltage, speed, shaft size, wires, connectors, capacitors, terminal box, IP grade, etc.

Q: Do you provide samples?
A: Yes. The sample is available for testing.

Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.

Q: What’s your lead time?
A: Standard products need 5-30days, a bit longer for customized products.

Q: Do you provide technical support?
A: Yes. Our company have design and development team, we can provide technical support if you
need.

Q: How to ship to us?
A: It is available by air, or by sea, or by train.

Q: How to pay the money?
A: T/T and L/C are preferred, with a different currency, including USD, EUR, RMB, etc.

Q: How can I know the product is suitable for me?
A: >1^ST confirm drawing and specification >2^nd test sample >3^rd start mass production.

Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.

Q: How shall we contact you?
A: You can send an inquiry directly, and we will respond within 24 hours.

Application:	Industrial
Speed:	Constant Speed
Number of Stator:	Single or Three Phase
Function:	Driving
Casing Protection:	Protection Type
Number of Poles:	4

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:

Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.

It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.

worm gearbox

How to Calculate the Efficiency of a Worm Gearbox

Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%

For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:

Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

China wholesaler 304 316 Stainless Steel Food Industry Water Proof Washdown Worm Gear Speed Reduction Drive Gearbox with Good quality
editor by CX 2023-09-13

China Custom R F K S Series Parallel Shaft Inline Gear Box Speed Reducer Reducer Worm Bevel Helical Geared Motor Gearbox sequential gearbox

Product Description

Technical data:

1,output torque:200-50000(N.m)

2,rated power:0.18-200(kw)

3,input speed:≤1500 (rpm)

4,output speed:≤280(rpm)

5,transmission ratio:≥5.36

6,series:3

7,install form:M1-M6

8,Model no. :K/KA/KF/KAF/KH/KHF(37/47/57/67/77/87/97/107/127/157/167/187)

Other

1,Driving in a variety of forms: motor straight league, user with motor, pulley, wheel drive, couplings straight league drive, the handwheel device etc
2,Output in a variety of forms: can hollow shaft output and CHINAMFG shaft output, hollow shaft flange and CHINAMFG shaft flange, hollow shaft torque arm type, CHINAMFG shaft torque arm type, etc
3,Installed in a variety of forms: can base mounting, flange installation, torque arm installation, etc

Type	37	47	57	67	77	87	97	107	127	157	167	187
Structure form	K KA KF KAF KAZ KAT KAB
Input power(KW)	0.18-3	0.18-3	0.18-5.5	0.18-5.5	0.37-11	0.75-22	1.1-30	3-45	7.5-90	11-160	11-200	18.5-200
Transmission ratio	5.36-106.38	5.81-131.87	6.57-145.14	7.14-144.79	7.24-192.18	7.19-197.37	8.95-176.05	8.74-1410.46	8.68-146.07	12.65-150.41	17.28-163.91	170.27-180.78
Allowable torque(N.m)	200	400	600	820	1550	2700	4300	8000	13000	18000	32000	50000
Weight(kg)	11	20	27	33	57	85	130	250	380	610	1015	1700

Product Description

-K Series Helical Bevel Gearbox

K series gear reducer, manufactured according to international technical requirements, has a high scientific and technological content; Space saving, reliable and durable, high overload capacity, power up to 132KW; Low energy consumption, superior performance, reducer efficiency up to 95%
It is designed and manufactured on the basis of module combination system. There are a lot of motor combinations, installation forms and structural schemes. The transmission ratio is classified carefully to meet different operating conditions and realize electromechanical integration.

High transmission efficiency, low energy consumption and superior performance.

Reinforced high rigid cast iron box; The hardened gear is made of high-quality alloy steel. Its surface is carburized, quenched and hardened, and the gear is finely ground. It features stable transmission, low noise, large bearing capacity, low temperature rise, and long service life. Performance and characteristics:

1. The gear is carburized and quenched with high-quality alloy, the hardness of the tooth surface is up to 60 ± 2hrc, and the grinding accuracy of the tooth surface is up to 5-6

2. The computer modification technology is used to pre modify the gear, which greatly improves the bearing capacity of the reducer

3. Complete modular structure design is adopted from the box to the internal gear, which is suitable for large-scale production and flexible selection

4. The standard reducer models are divided according to the form of decreasing torque. Compared with the traditional equal proportion division, they are more in line with customer requirements and avoid power waste

5. It is designed and manufactured by cad/cam to ensure the stability of quality

6. Multiple sealing structures are adopted to prevent oil leakage

7. Multi directional noise reduction measures to ensure the excellent low noise performance of the reducer

8. The installation mode of Liyi products is flexible, which makes it easy for customers to choose K57 reducer, K67 reducer, K77 reducer, K87 reducer, K97 reducer, KA87 reducer, KA97 reducer, KA107 reducer, KA127 reducer

Product Features
1. Input mode: Coupled motor, belted motor, input shaft or connection flange.
2. Output: Right angle
3. Compact structure. Rigid tooth face. Carrying greater torque, high loading capacity.
4.High precision gear, ensuring the unit to operate stably, smooth transmission.
5. Low noise, long lifespan. Large overlap coefficient, abrasion resistant.

Our process of production

Our product line

Hardness:	Hardened Tooth Surface
Installation:	90 Degree
Layout:	Expansion
Gear Shape:	Bevel Gear
Step:	Single-Step
Type:	Gear Reducer

Samples:	US$ 1000/Piece 1 Piece(Min.Order) \| Request Sample

China Custom R F K S Series Parallel Shaft Inline Gear Box Speed Reducer Reducer Worm Bevel Helical Geared Motor Gearbox sequential gearbox
editor by CX 2023-09-13

Product Description

Self-Locking Properties in a Worm Gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Product Description

How to Install and Align a Worm Reducer Properly

Materials Used for Worm Gears

What is a Worm Gearbox and How Does It Work?

Product Description

> Our Motor Advantages 1. Reasonable price with excellent quality2.Each 1 tests carefully3.Clear nameplate4.Reliable package5.High efficiency, smooth runingand low noise6.Best materials make best performance > Producing Process

> WORKSHOP EQUIPMENT: CERTIFICATION : > PACKAGE : for 1 container, directly loading ,for less, all goods with pallet,

FAQ

Common Problems and Troubleshooting for Worm Gearboxes

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

How to Select the Right Worm Gearbox for Your Application

Product Description

Is it Possible to Reverse the Direction of a Worm Gearbox?

Energy Efficiency of a Worm Gearbox: What to Expect

Can a Worm Gearbox Provide High Torque Output?

Product Description

Can a Worm Gearbox be Used for High-Speed Applications?

Energy Efficiency of a Worm Gearbox: What to Expect

What Industries Commonly Use Worm Reducers?

Product Description

Type designation scheme

NMRV 110 gearbox performance

Overall and mounting dimensions NMRV 110 NMRV110 gear motor has a wide range of gear ratios.Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 . Output flange to NMRV 110 gearbox

Maintenance Tips for Prolonging the Life of a Worm Gearbox

How to Calculate the Efficiency of a Worm Gearbox

Preventing Backlash in a Worm Gearbox

Product Description

Type designation scheme

NMRV 040 gearbox performance

Overall and mounting dimensions NMRV 040 NMRV040 gear motor has a wide range of gear ratios.Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 . Output flange to NMRV 040 gearbox

Calculating Gear Ratio in a Worm Reducer

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

Types of Worm Gear Configurations and Their Uses

Product Description

Self-Locking Properties in a Worm Gearbox

Worm Gearbox Applications in Robotics and Automation

Preventing Backlash in a Worm Gearbox

Product Description

304 316 Stainless Steel Food Industry Water Proof Washdown Worm Gear Speed Reduction Drive Gearbox

What are the Noise Levels Associated with Worm Gearboxes?

How to Calculate the Efficiency of a Worm Gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Product Description

> Our Motor Advantages

1. Reasonable price with excellent quality
2.Each 1 tests carefully
3.Clear nameplate
4.Reliable package
5.High efficiency, smooth runingand low noise
6.Best materials make best performance

> Producing Process

> WORKSHOP EQUIPMENT:

CERTIFICATION :

> PACKAGE :
for 1 container, directly loading ,for less, all goods with pallet,

Overall and mounting dimensions NMRV 110

NMRV110 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 110 gearbox

Overall and mounting dimensions NMRV 040

NMRV040 gear motor has a wide range of gear ratios.
Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 040 gearbox