Tag Archives: worm motor

China wholesaler RV Worm Gearbox Servo Motor best automatic gearbox

Product Description

HangZhou CHINAMFG Machinery Co., Ltd.has been specialising in the manufacture and export of RV series worm gearboxes and other power transmission products for years, dedicated to provide to our customers good quality products in competitive prices. The main products are RV series worm gear speed reducers, UD series mechanical speed variators, G3 series helical geared motors and the specially designed reducers for polishing machines. Our products are widely used in the mechanical apparatus for foodstuff, ceramics, package, chemical, printing, and plastics, etc.

Xihu (West Lake) Dis.d by the idea, "Quality is the very key.". the company proceeds in strict quality control to all the products, complying with the requirements of ISO9001:2008, and certificated, which has enabled our products to have enjoyed the successful sales, popularity and good reputation among the markets of Europe, Mid-east, and Souteast Asia..

Innovation, good quality, customers' satisfication, and excellent service are the principles of the company. All customers at home and abroad are warmly welcome to contact us and negotiate for mutual business expansion.

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Cycloidal

Customization:	Available \| Customized Request

servo gearbox

Compatibility of Servo Gearbox with a Specific Motor

The compatibility between a servo gearbox and a specific motor depends on several key factors:

1. Mounting Configuration: The mounting interface of the servo gearbox and motor must be compatible. This includes the type of coupling, flange size, and bolt pattern. Proper alignment ensures efficient power transmission and minimizes mechanical stress.

2. Shaft Diameter and Keyway: The diameter and keyway of the motor shaft must match the input shaft of the servo gearbox. A precise fit prevents slippage and ensures accurate torque transmission.

3. Torque and Speed Ratings: The torque and speed requirements of the application should align with the torque and speed ratings of both the motor and gearbox. Oversizing or undersizing either component can lead to inefficient operation and premature wear.

4. Inertia Matching: Inertia matching between the motor and gearbox helps prevent resonance and oscillations in the system. An appropriate inertia match ensures smooth and precise motion control.

5. Backlash and Stiffness: The gearbox's backlash (play in the gears) and stiffness characteristics should match the application's requirements. Low backlash and high stiffness are crucial for accurate positioning tasks.

6. Efficiency and Heat Dissipation: The combined efficiency of the motor and gearbox affects the overall system efficiency. Inadequate efficiency can lead to energy losses and excessive heat generation.

7. Service Life and Maintenance: Compatibility also involves considering the expected service life and maintenance requirements. A well-matched motor-gearbox combination enhances the durability and reliability of the motion control system.

8. Control and Feedback: The control system's capabilities, such as closed-loop control and feedback devices, play a role in determining compatibility. The motor and gearbox should provide the necessary interfaces for effective integration into the control system.

Manufacturers and engineers often provide guidelines and compatibility charts to assist in selecting the right servo gearbox for a specific motor. Considering these factors ensures optimal performance, efficiency, and longevity of the motion control system.

servo gearbox

Customization of Servo Gearboxes for Specific Industrial Needs

Servo gearboxes can indeed be customized to meet specific industrial requirements. Manufacturers offer customization options to ensure that the servo gearboxes are optimized for the intended applications:

1. Gear Ratio Selection: Depending on the desired speed and torque output, manufacturers can provide various gear ratios to achieve the required motion characteristics.

2. Torque and Speed Ratings: Servo gearboxes can be tailored to handle different torque and speed demands, ensuring that they can efficiently operate within the specified parameters of the application.

3. Mounting Configurations: Manufacturers offer various mounting options, such as flange mounts or shaft mounts, to suit the mechanical layout of the machinery.

4. Output Shaft Configuration: Custom output shaft configurations, such as different diameters or keyway options, can be provided based on the integration requirements.

5. Environmental Considerations: For applications with specific environmental conditions, such as high humidity or extreme temperatures, servo gearboxes can be designed with protective features or special coatings.

6. Lubrication and Sealing: Custom lubrication options and sealing mechanisms can be incorporated to ensure optimal performance and longevity in the given environment.

7. Feedback Devices: Some applications may require specific feedback devices, such as encoders or resolvers, for precise motion control. Manufacturers can integrate these devices into the gearbox design.

8. Noise Reduction: Customized designs can include features that reduce noise and vibration, which is crucial in noise-sensitive applications.

9. Compact Designs: Manufacturers can work on compact designs to accommodate space constraints in the machinery.

10. Integration with Motors: Customized servo gearboxes can be designed to seamlessly integrate with specific types of motors, ensuring efficient power transmission.

By offering customization options, manufacturers enable industries to obtain servo gearboxes that perfectly align with their unique industrial needs, ultimately enhancing performance, precision, and overall system efficiency.

servo gearbox

Servo Gearbox: Function in Motion Control Systems

A servo gearbox is a specialized type of gearbox designed to work in conjunction with servo motors to achieve precise motion control in various applications. It functions as follows:

Motion Synchronization: A servo gearbox is used to synchronize the motion of a servo motor with the intended motion of a mechanical system. It ensures that the motor's rotational output is accurately transmitted to the driven component.

Speed and Position Control: Servo gearboxes enable precise control over speed and position by converting the high-speed, low-torque output of a servo motor into a lower-speed, higher-torque output suitable for the specific application.

Reduction Ratio: The servo gearbox incorporates reduction stages to achieve the desired reduction ratio. This reduction allows the motor to provide higher torque while maintaining accurate speed control.

Backlash Minimization: High-precision servo gearboxes are designed to minimize backlash, which is the lost motion between input and output shafts. This is critical for accurate and responsive motion control.

High Efficiency: Servo gearboxes are designed for high efficiency to ensure that the majority of input power is effectively transferred to the output, reducing energy consumption.

Dynamic Response: Servo gearboxes enhance the dynamic response of motion control systems. They allow the servo motor to quickly start, stop, and change directions with minimal overshooting or oscillations.

Positioning Accuracy: By accurately converting the motor's rotation into precise linear or angular movement, servo gearboxes ensure high positioning accuracy required in applications such as robotics, CNC machines, and automation systems.

Load Distribution: Servo gearboxes distribute the load evenly across gear teeth, enhancing the gearbox's durability and minimizing wear.

Customization: Servo gearboxes are available in various sizes, reduction ratios, and configurations to suit different application requirements.

Overall, a servo gearbox is an integral component in motion control systems, allowing precise and efficient control over motion, speed, and position for a wide range of industrial applications.

China wholesaler RV Worm Gearbox Servo Motor best automatic gearbox
editor by CX 2023-10-07

China supplier CZPT Nmrv Gearbox with Worm Gear Hollow Shaft Motor Reducer gearbox definition

Product Description

NMRV worm gearbox motor

NMRV series worm gear reducer:
Its structure,outline and installation dimensions as well as performance are same with that of
Europe an products,they are interchangeable,and the materials and machining process are advanced internationally.The product is featured by:
1.Low noise and temperature rise.
2.High bearing capability,smooth run and long service life.
3.ompact structure,samll volume,light weight,beautiful shape and easy to install.
4.Can run continuously under server environment,and has a good reliability.

GPHQ NMRV aluminum worm gearbox motor details:

Type	GPHQ NMRV Worm Gear Speed Reducer /gearbox motor
Model:	NMRV25/30/ 40/ 50/ 63/ 75/ 90/110/130/150
Input Power:	0.06KW,0.09KW,0.12KW,0.18KW,0.22KW,0.25KW,0.37KW,0.55KW,0.75KW,1.1KW,1.5KW,2.2KW,4KW,5.5KW,7.5KW ,11KW,15KW
IEC Flange	56B5,56B14,63B5,63B14,71B5,71B14,80B5,80B14,90B5,90B14,100B5, 100B14,112B5,112B14 132B5,160B5
Ratio	1: 7.5,10,15,20,25,30,40,50,60,80,100
Material	Housing: Die-Cast Aluminum Alloy for rv25-rv90 , die-cast cast iron for rv110 to rv150
	Worm Gear-brass+cast iron
	Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
	Shaft-chromium steel-45#
Color:	Blue/Silver Or others if quantity is big
Packing:	Carton or plywood Case
Guarantee time :	1 Year except except Man-made destruction
Usages:	Industrial Machine: Food Stuff, Ceramics,CHEMICAL,Packing,Dyeing,Woodworking,Glass.
shaft:	output CHINAMFG shaft or output hollow shaft

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
Layout:	Right Angle
Hardness:	Hardened Tooth Surface
Step:	Single-Step
Ratio:	7.5/10/15/20/25/30/40/50/60/80/100
Gearbox Body:	Aluminum or Cast Iron

Customization:	Available \| Customized Request

worm gearbox

Can a Worm Gearbox Be Used in Heavy-Duty Machinery?

Yes, a worm gearbox can be used in heavy-duty machinery and is often chosen for such applications due to its inherent characteristics and advantages:

High Torque Transmission: Worm gearboxes are known for their ability to transmit high torque loads, making them suitable for heavy-duty machinery that requires significant power transmission.
Load Distribution: The design of worm gears provides robust load distribution and excellent contact between the worm and worm wheel teeth. This enhances their load-carrying capacity, making them capable of handling heavy loads without premature wear or failure.
Compact Design: Worm gearboxes are compact and offer high reduction ratios in a single stage. This allows for the reduction of high input speeds to lower output speeds, often required in heavy-duty machinery.
Overload Protection: Worm gears have a natural self-locking feature, which means the gear cannot be easily back-driven by external forces. This feature provides inherent overload protection, preventing damage to the gearbox and machinery in cases of sudden load spikes.
Smooth Operation: Worm gearboxes offer smooth and steady operation, which is crucial for heavy-duty machinery where precision and controlled movement are essential.

However, when considering the use of a worm gearbox in heavy-duty applications, it's important to ensure proper engineering and sizing. The design should account for factors such as load, speed, duty cycle, lubrication, and temperature to ensure optimal performance and longevity.

Overall, worm gearboxes are well-suited for heavy-duty machinery across various industries, including mining, construction, manufacturing, and more.

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

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 supplier CZPT Nmrv Gearbox with Worm Gear Hollow Shaft Motor Reducer gearbox definition
editor by CX 2023-09-18

China factory Low Noise Big Torque Worm Gear Box with Electric Motor gearbox adjustment

Product Description

Product Description

Our Gearbox has many items for your choosing and we can produce as per your drawing or sample to meet your special request

1. Large output torque
2. Safe, reliable, economical and durable
3. Stable transmission, quiet operation
4. High carrying ability
5. High modularization design, may equip with various outer power input conveniently. Same machine type may equip with various power motor. It is easy to realize the combination and junction between every machine type
6. Transmission ratio: Fine division, wide scope. The combined machine type may form very large transmission ratio, i. E. Output very low rotary speed.
7. Form of installation: The position to be installed is not limited.
8. High strength, compact the box body of high strength cast iron, gear and gear shaft adapts the gas carbonization, quenching and fine grinding process, therefore the bearing capacity of unit volume is high.
9. Long life: Under the condition of correct type chosen(including choosing suitable operation parament ) normal operation and maintenance, the life if main parts speed reducer(except wearing parts)should not be less than 20000 hours. The wearing parts include lubricating oil, oil seal and bearing.
10. Low noise: Because main parts of speed reducer are processed, and tested critically, therefore the noise of speed reducer is low.
11.Our gear box have reached the advance international level, can replace the same kind of products imported.

Size

Ratio

1/5

1/10

1/15

1/20

1/25

1/30

1/40

1/50

1/60

142

112

135

100

175

145

110

180

120

140

195

165

105

120

210

130

150

234

195

115

150

243

150

190

264

210

135

180

273

170

220

100

300

245

155

220

340

190

260

120

385

285

180

260

405

230

320

135

435

320

200

290

455

250

350

155

507

387

220

320

490

280

390

175

550

407

250

350

565

310

430

200

594

480

290

390

625

360

480

250

710

560

380

480

730

460

560

Size	G	Z	Input Shaft		Output Shaft		Weight Kg	Oil Weight L
Size	G	Z	HS	U	LS	S	Weight Kg	Oil Weight L
40	12	10	25	12	28	14	3.8	0.14
50	15	11	30	12	40	17	7	0.17
60	20	11	40	15	50	22	10.5	0.23
70	20	15	40	18	60	28	14.5	0.5
80	20	15	50	22	65	32	22	0.7
100	25	15	50	25	75	38	36	1.6
120	30	18	65	30	85	45	63	3.0
135	30	18	75	35	95	55	80	3.5
155	38	20	85	40	110	60	114	3.6
175	40	20	85	45	110	65	150	4.5
200	42	22	95	50	125	70	218	6.4
250	42	27	110	60	155	90	363	8.5

Size	Ratio	A	B	E	F	H	M	N
40	1/5 1/10 1/15 1/20 1/25 1/30 1/40 1/50 1/60	142	85	70	80	135	90	100
50		175	105	95	110	180	120	140
60		195	120	105	120	205	130	150
70		234	140	115	150	235	150	190
80		264	160	135	180	265	170	220
100		300	178	155	220	327	190	260
120		385	230	180	260	388	230	320
135		435	260	200	290	445	250	350
155		507	300	220	320	483	280	390
175		550	325	250	350	550	310	430
200		594	350	290	390	610	360	480
250		710	420	380	480	755	460	560

Size	G	Z	Input Shaft		Output Shaft		Weight Kg	Oil Weight
Size	G	Z	HS	U	LS	S	Weight Kg	Oil Weight
40	12	10	25	12	28	14	3.8
50	15	11	30	12	40	17	7	0.4
60	20	11	40	15	50	22	10.5	0.5
70	25	15	40	18	60	28	14.5	0.7
80	25	15	50	22	65	32	22	1.1
100	25	15	50	25	75	38	36	2.3
120	30	18	65	30	85	45	63	4.5
135	30	18	75	35	95	55	80	6.0
155	38	20	85	40	110	60	114	6.2
175	40	20	85	45	110	65	150	8.0
200	42	22	95	50	125	70	218	9.0
250	48	27	110	60	155	90	363	17.0

Size	Ratio	A	B	E1	E2	F	G	M	N
40	1/5 1/10 1/15 1/20 1/25 1/30 1/40 1/50 1/60	142	85	72	85	75	12	179	97
50		175	105	93	102	90	14	220	116
60		195	120	105	120	100	15	260	126
70		234	140	120	135	120	20	295	156
80		264	160	130	150	140	20	320	176
100		300	178	155	180	190	30	375	226
120		385	230	185	215	220	30	450	266
135		435	260	210	235	260	35	495	306
155		507	300	245	295	290	45	590	350
175		550	325	267	323	320	45	640	394
200		594	350	290	360	370	42	710	440
250		710	420	350	440	440	46	860	510

HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.

Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets. Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.

With many years' experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.

Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers' special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.

FAQ:
Q1: Are you trading company or manufacturer ?
A: We are factory.

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.

Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.

Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.

Q5. If you can't find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we'll check.

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Machinery, Marine, Agricultural Machinery
Function:	Speed Changing
Layout:	Cycloidal

Samples:	US$ 120/Piece 1 Piece(Min.Order) \| Order 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

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here's how you can calculate these speeds:

Input Speed: The input speed (N₁) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
Output Speed: The output speed (N₂) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:
N₂ = N₁ / (Z₁ * i)

Where:
N₂ = Output speed (rpm)
N₁ = Input speed (rpm)
Z₁ = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It's important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

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 factory Low Noise Big Torque Worm Gear Box with Electric Motor gearbox adjustment
editor by CX 2023-09-18

China manufacturer Roll Forming Machine Worm Reduction Motor Supply Marine Gearbox manufacturer

Product Description

Hot Sales

Product Description

Roll forming machine worm reduction industrial d300 boat comer brushless dc motor supply marine gearbox

Feature	Oil pump rotating 180 degree can change the input direction
Housing:SAE 0.1		Flange::14",16",18"
L×W×H			N.W.
	300	910×800×1080mm	700kg
	D300A	910×855×1225mm	940kg
	Nominal coefficient	Accurate coefficient	Ratio (horsepower/r/m)(300)	Ratio (horsepower/r/m)(J300)
300	2:01	2.04:1	0.35	0.42
	2.5:1	2.54:1	0.35	0.42
	3:01	3.0:1	0.33	0.396
	3.5:1	3.53:1	0.3	0.36
	4:01	4.10:1	0.25	0.3
D300A	4:01	4.00:1	0.35
	4.5:1	4.48:1	0.33
	5:01	5.05:1	0.3
	5.5:1	5.52:1	0.25
	6:01	5.90:1	0.25
	6.5:1	6.56:1	0.2
	7:01	7.06:1	0.2
	7.5:1	7.63:1	0.17
Recommended engine: CUMMINS VTA28-M;CAT 3412TA;GARDNER 6LYT1; DETROIT 12V92TA;BAUDOUIN 12P15.2S DAUHATSU M5S

Advantage Products

Company Profile

Packaging & Shipping

Contact us

Product Name:	Small Boat Marine Reverse Gearbox
Input Speed:	750rpm
Color:	Blue
Output Torque:	264mm / 355mm
Output Speed:	2500rpm
Gearing Arrangement:	Harmonic

Customization:	Available \| Customized Request

worm gearbox

Calculating Gear Ratio in a Worm Reducer

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.

worm gearbox

Diagnosing and Fixing Oil Leakage in a Worm Gearbox

Oil leakage in a worm gearbox can lead to reduced lubrication, increased friction, and potential damage to the gearbox components. Here's a step-by-step process to diagnose and fix oil leakage:

Inspect the Gearbox: Perform a visual inspection of the gearbox to identify the source of the leakage. Check for oil stains, wet spots, or oil pooling around the gearbox.
Check Seals and Gaskets: Inspect the seals, gaskets, and O-rings for any signs of wear, cracks, or damage. These components are common points of leakage.
Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
Replace Damaged Seals: If you find damaged seals or gaskets, replace them with new ones. Use seals that are compatible with the operating conditions and lubricant.
Check Breather Vent: A clogged or malfunctioning breather vent can cause pressure buildup inside the gearbox, leading to leakage. Clean or replace the breather vent if necessary.
Examine Shaft Seals: Check the shaft seals for wear or damage. If they're worn out, replace them with seals of the appropriate size and material.
Use Proper Lubricant: Ensure that you're using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
Apply Sealants: In some cases, applying a suitable sealant to the joints and connections can help prevent leaks. Follow the manufacturer's instructions for proper application.
Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
Regular Maintenance: Implement a regular maintenance schedule that includes checking seals, gaskets, and other potential leakage points. Timely maintenance can prevent future leakage issues.

If you're unsure about diagnosing or fixing oil leakage in a worm gearbox, consider consulting with a professional or gearbox manufacturer to ensure proper resolution.

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 manufacturer Roll Forming Machine Worm Reduction Motor Supply Marine Gearbox manufacturer
editor by CX 2023-09-18

China Best Sales Reduction RV Worm Gear Electric Motor Speed Reducer Gearbox gearbox adjustment

Product Description

PROFESSIONAL MANUFACTURE
-- SINCE 1995

Reduction RV Worm Gear Electric Motor Speed Reducer Gearbox

Chinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy, light

industry,environmental protection, paper making, printing, lifting transport, food industry and so on.

Main Series Product: R series helical gear motor reducer, K series spiral bevel gear reducer, NGW, P series planetary gear reducer, H B series helical gearbox, Z (ZDY, ZLY, ZSY, and ZFY) serial hard tooth surface cylindrical gearbox reducer, D (DBY and DCY) serial hard tooth surface cone gear reducer, cycloidal speed reducer, etc. Meanwhile, map sample processing business can be undertaken.

Product Description

It realized serialization and modularization with compact structure and wide range of transmission ratio.

The transmission efficiency reach up to 96%.

The gear processed by Carburizing, Nitriding & Grinding.

High efficiency, superior performance with less energy consumption High precision gear, steady transmission, low noise, large load capacity, long service life.

Support various of installation method.

Product Parameters

Size

NMRV25

NMRV30

NMRV40

NMRV50

NMRV63

NMRV75

NMRV90

NMRV110

NMRV130

Flange Type

56B14

63B5

71B5

80B5

90B35

100/112B35

132B35

63B14

63B5

71B5

80B5

90B35

100/112B35

170

63B5

71B5

80B5

90B35

Model selection for washing machine Gear Box Transmission:
Closely using the ideal reduction ratio.
Reduction ratio = servo motor speed / reducer output shaft speed
Torque calculation: Torque calculation is very important for the life of reducer, and pay attention to whether the maximum torque value (TP) of acceleration exceeds the maximum load torque of the reducer.
The applicable power is usually the applicable power of the servo models on the market, the applicability of the reducer is very high, the working coefficient can be maintained above 1.2, but the choice can also be based on their own needs to decide. industrial helical gearbox. Robot Arm Gear Reducer Nmrv Transmission Worm Gearbox.

Detailed Photos

Chinese Speed Reducer/industrial helical gearbox is a mechanical transmission in many fields of the national economy. The product categories covered by the industry include all kinds of gear reducer, planetary gear reducer and worm reducer, as well as various special transmission devices such as speed increasing device, speed control Devices, including various types of flexible transmission devices, such as compound transmission. Products and services in the field of metallurgy, nonferrous metals, coal, building materials, ships, water conservancy, electricity, construction machinery and petrochemical industries.

In all fields of national economy and national defense industry, gearbox products have a wide range of applications. Food light industry, electric machinery, construction machinery, metallurgy machinery, cement machinery, environmental protection machinery, electronic appliances, road construction machinery, water conservancy machinery, chemical machinery, mining machinery, conveyor machinery, building materials machinery, rubber machinery, petroleum machinery and other industries have strong demand of Reducer products.

Working principle of gear reducer :

When the output speed of the motor of the gear reducer is input from the driving shaft, the small gear of the reducer will move. The large gear is linked with the small gear, so the movement of the small gear will drive the movement of the large gear. The number of teeth is more than the number of teeth on the pinion, so the speed of the big gear will be slower than that of the pinion, and then output through the output shaft of the big gear, thus playing the role of output deceleration.

Packaging & Shipping

Application

Driven machines
Waste water treatment	Thickeners,filter presses,flocculation apparata,aerators,raking equipment,combined longitudinal and rotary rakes,pre-thickeners,screw pumps,water turbines,centrifugal pumps	Dredgers	Bucket conveyors, dumping devices, carterpillar travelling gears, bucket wheel excavators as pick up, bucket wheel excavator for primitive material, cutter head, traversing gears
Chemical industry	Plate bending machines, extruders, dough mills, rubbers calenders, cooling drums, mixers for uniform media, agitators for media with uniform density, toasters, centrifuges	Metal working mills	plate tilters, ingot pushers, winding machines, cooling bed transfer frames, roller straigheners, table continuous intermittent, roller tables reversing tube mills, shears continuous, casting drivers, reversing CHINAMFG mills
Metal working mills	Reversing slabbing mills. reversing wire mills, reversing sheet mills, reversing plate mill, roll adjustment drives	Conveyors	Bucket conveyors, hauling winches, hoists, belt conveyors, good lifts, passenger lifts, apron conveyors, escalators, rail travlling gears
Frequency converters		Reciprocating compressors
Cranes	Slewing gears, luffing gears, travelling gears, hoisting gear, derricking jib cranes	Cooling towers	Cooling tower fans, blowers axial and radial
Cane sugar production	Cane knives, cane mills	Beet sugar production	Beet cossettes macerators, extraction plants, mechanical refrigerators, juice boilers, sugar beet washing machines, sugar beet cutter
Paper machines	Pulper drives	Cableways	Material ropeways, continuous ropeway
Cement industry	Concrete mixer, breaker, rotary kilns, tube mills, separators, roll crushers

Company Profile

Established in 1995 , HangZhou Boji Machinery is a professional manufacturer and exporter that is concerned with the design, development and production of Gearbox Speed Reducer. We are located in HangZhou of ZheJiang Province, with convenient transportation access. With our own brand "TianQi", all of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our company possesses complete machining center, lathe, gear shaping machine, gear milling machine, gear grinding machine and assembling lines. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.
Besides, In 2005,we attained ISO9001 certification. As a result of our high quality products and outstanding customer service, we have gained a global sales network CHINAMFG South America, Saudi Arabia, Vietnam, Pakistan, Philippines, South Africa and other countries and regions.
With rich export experience, high quality products, competitive prices, good service and in-time delivery, we certain that we can meet all of your requirement and exceed your expectations. Our feature is bright with new cooperative relationships with companies from all over the world. We look CHINAMFG to speaking with you to future discuss how we can be of service to you.

FAQ

1. Who are we?
We are the Factory, with over 25 years of production experience, based in ZheJiang , China, start from 1995,sell to Domestic Market(50.00%),Mid East(10.00%),Southeast Asia(10.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),North America(3.00%),Africa(2.00%),Southern Europe(2.00%),South Asia(2.00%),Central America(1.00%).

2. Can you customize according to our requirements?
Yes, we can design nonstandard products according to customer's drawing and sample.

3.What can you buy from us?
speed reducer,gearbox,gear motor,pump,crusher

4. Why should you buy from us not from other suppliers?
Founded in 1995, with over 20 years of production experience and credibility. With professional engineer team, advanced technology production and skilled workers.Specialized in the production of reducer. Map sample processing business can be undertaken.

5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Machinery, Manufacturing Plant
Function:	Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Transmission
Layout:	Worm Gear

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Order Sample RV Worm Gear Electric Motor Speed Reducer Gearbox

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

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

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 Best Sales Reduction RV Worm Gear Electric Motor Speed Reducer Gearbox gearbox adjustment
editor by CX 2023-09-18

China manufacturer Nmrv Worm Gearbox for DC Brake Motor Transmission differential gearbox

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, Change Drive Direction, Speed Changing, Speed Reduction
Layout:	Right Angle
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Double-Step

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

Customization:	Available \| Customized Request

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

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here's how you can calculate these speeds:

Input Speed: The input speed (N₁) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
Output Speed: The output speed (N₂) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:
N₂ = N₁ / (Z₁ * i)

Where:
N₂ = Output speed (rpm)
N₁ = Input speed (rpm)
Z₁ = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

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 manufacturer Nmrv Worm Gearbox for DC Brake Motor Transmission differential gearbox
editor by CX 2023-09-18

China supplier Nmrv Right Angle 90 Degree Transmission Worm Drive Gear Box Gearbox with Motor with high quality

Product Description

NMRV right angle 90 degree transmission worm drive gear box gearbox with motor

Features:
1. Light in weight and non-rusting
2. Smooth in running, can work long time in dreadful conditions
3. High efficiency, low noise
4. Good-looking in appearance, durable in service life and small in volume

Product photo:

Specification for worm reducer:

Model	571 ~ 150
Power	0.06kw ~ 15kw
Input speed	750rpm ~ 2000rpm
Reduction ratio	1/5 ~ 1/100
Input motor	AC (1 phase or 3 phase) / DC / BLDC / Stepper / Servo
Output shaft	Solid shaft / Hollow shaft / Output flange…
Dimension standard	Metric size / Inch size
Material of housing	die-cast aluminum / Cast iron / Stainless steel
Accessories	Flange / CHINAMFG shaft / Torque arm / Cover …

FAQ
Q: Can you make the reducer with customization?
A: Yes, we can customize per your request, like flange, shaft, configuration, material, etc.

Q: Do you provide samples?
A: Yes. 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 product need 5-30days, a bit longer for customized products.

Q: Do you provide technology support?
A: Yes. Our company have design and development team, we can provide technology 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 is preferred, with 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 inquiry directly, and we will respond within 24 hours.

Application:	Machinery
Function:	Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Right Angle
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Single-Step

Samples:	US$ 50/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

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

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 supplier Nmrv Right Angle 90 Degree Transmission Worm Drive Gear Box Gearbox with Motor with high quality
editor by CX 2023-09-18

China Hot selling PC63 PC71 PC80 PC90 Prestage Middle Gearbox Between Nmrv Worm Reducer and Electric Motor cvt gearbox

Product Description

PC63 PC71 PC80 PC90 Prestage Middle Gearbox Between NMRV Worm Reducer and Electric Motor

Features:

1. Compact structure and simple assembly;
2. Stable and safe, long lifetime, universal;
3. Low noise, good sealing performance, high efficiency;
4. Convenient to be mounted with worm gearboxes & motors as to achieve the required higher speed ratio.

Product photo:

Specification for PC gearbox:

Product Name	ANG Pre-stage helical reducer
Model	PC063 / PC071 / PC080 / PC090
Ratio	2.42-3
Motor power/poles	0.09-2.20kw(2P,4P,6P,8P)
Output shaft diameter	Φ11,Φ14,Φ19,Φ24,Φ28
Code of installation form	B3,B8,B6,B7,V5,V6
Color	RAL5571, RAL9006 or customized

FAQ
Q: Can you make the gearbox with customization?
A: Yes, we can customize per your request, like color, shaft, material, etc.