Tag Archives: worm reducer

China supplier New Best Input Power 2.2kw Worm Small Engine Reduction Gearbox Speed Reducer cycloidal gearbox

Product Description

Why Choose Us

Product Details

Type	Worm Gear Speed Reducer/ gearbox
Model	WMRV 25/30/40/50/63/75/90/110/130/150/185
Ratio	7.5,10,15,20,25,30,40,50,60,80,100.
Color	Blue(RAL5571)/Silver grey (K9149) Or On Customer Request
Material	Housing: Aluminum alloy(size 25~90) / Cast iron(size 110~185)
	Worm wheel: Aluminum Bronze or Tin Bronze
	Worm shaft: 20CrMn Ti
	Output Shaft: steel-45#
Packing	Carton, Honey Comb Carton, Wooden Case with wooden pallet
Warranty	1 Year
Input Power	0.09kw,0.18kw,1.1KW,1.5KW,2.2KW,3KW,4KW,5.5KW,7.5KW,11Kw and so on.
Usages	Industrial Machine: Food Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wood working, Glass.
IEC Flange	IEC standard flange or on customer request
Lubricant	Synthetic oil or worm gear oil

Company Profile

Exhibition

Customized Service

Certificate&Honor

Customer Comments

FAQ

1. 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.

2. 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.

3. 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.

4. Do you sell motors?
We have stable motor suppliers who have been cooperating with us for a long-time. They can provide motors
with high quality.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Machinery, Agricultural Machinery
Function:	Distribution Power, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial

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

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

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

Does a Worm Reducer Require Frequent Maintenance?

Worm reducers generally require less frequent maintenance compared to some other types of gearboxes due to their design and operating characteristics. However, maintenance is still essential to ensure optimal performance and longevity. Here are some key points to consider:

Lubrication: Proper lubrication is crucial for worm gearboxes. Regularly check the lubricant level and quality to prevent wear and overheating. Lubricant should be changed as recommended by the manufacturer.
Inspections: Periodically inspect the gearbox for signs of wear, damage, or oil leaks. Check for any unusual noises, vibrations, or changes in performance that could indicate a problem.
Tightening and Alignment: Check and tighten any loose fasteners and ensure that the gearbox is properly aligned. Misalignment can lead to increased wear and reduced efficiency.
Seal Maintenance: Inspect and maintain seals to prevent oil leakage and contaminants from entering the gearbox.
Cleaning: Keep the gearbox clean from debris and contaminants that could affect its performance. Regular cleaning can prevent premature wear and damage.
Load and Speed: Ensure that the gearbox is operating within its rated load and speed limits. Exceeding these limits can lead to accelerated wear and potential failure.
Environmental Conditions: Consider the operating environment of the gearbox. Extreme temperatures, humidity, and other factors can impact the gearbox’s performance and longevity.

While worm gearboxes are known for their durability and self-locking feature, neglecting maintenance can lead to premature wear, reduced efficiency, and potential breakdowns. Following the manufacturer’s recommendations for maintenance intervals and procedures is essential to keep the worm reducer in optimal condition.

worm gearbox

Lubrication Requirements for a Worm Gearbox

Lubrication is crucial for maintaining the performance and longevity of a worm gearbox. Here are the key considerations for lubricating a worm gearbox:

Type of Lubricant: Use a high-quality, high-viscosity lubricant specifically designed for worm gearboxes. Worm gearboxes require lubricants with additives that provide proper lubrication and prevent wear.
Lubrication Interval: Follow the manufacturer’s recommendations for lubrication intervals. Regularly check the gearbox’s temperature and oil condition to determine the optimal frequency of lubrication.
Oil Level: Maintain the proper oil level to ensure effective lubrication. Too little oil can lead to insufficient lubrication, while too much oil can cause overheating and foaming.
Lubrication Points: Identify all the lubrication points on the gearbox, including the worm and wheel gear surfaces. Apply the lubricant evenly to ensure complete coverage.
Temperature: Consider the operating temperature of the gearbox. Some lubricants have temperature limits, and extreme temperatures can affect lubricant viscosity and performance.
Cleanliness: Keep the gearbox and the surrounding area clean to prevent contaminants from entering the lubricant. Use proper filtration and seals to maintain a clean environment.
Monitoring: Regularly monitor the gearbox’s temperature, noise level, and vibration to detect any signs of inadequate lubrication or other issues.

Proper lubrication will reduce friction, wear, and heat generation, ensuring smooth and efficient operation of the worm gearbox. Always refer to the manufacturer’s guidelines for lubrication specifications and intervals.

China supplier New Best Input Power 2.2kw Worm Small Engine Reduction Gearbox Speed Reducer cycloidal gearbox
editor by CX 2024-04-10

China Hot selling Good Price Helical Worm Gear Arrangement Helical Gear Reducer /Gear Motor/Motor Reducer/Gear Units/Gearbox for Agitator wholesaler

Product Description

Good Price Helical Worm Gear Arrangement Helical Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox For Agitator

< ABOUT TILI

Technical data

Product Name	Good Price Helical Worm Gear Arrangement Helical Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox For Agitator
Power	0.12KW~30KW
Nominal output torque	9~ 8425N · m
Output speed	0.1 ~ 374r/min
Gear material	20CrMnTi alloy steel
Gear Processing	Grinding finish by HOFLER Grinding Machines
Noise Test	Below 65dB
Brand of bearings	C&U bearing, ZWZ, LYC, HRB, CHINAMFG , etc
Brand of oil seal	NAK or other brand
Temp. rise (MAX)	40ºC
Temp. rise (Oil)(MAX	50ºC
Vibration	≤20µm
Housing hardness	HBS190-240
Surface hardness of gears	HRC58°~62 °
Gear core hardness	HRC33~40
Machining precision of gears	5 Grade
Lubricating oil	GB L-CKC220-460, Shell Omala220-460
Heat treatment	Carburizing, Quenching etc
Efficiency	95%~96% (depends on the transmission stage)
Bearing output mode	Parallel output
Installation type and output mode	Bottom seated type flange type installation, solid,hollow shaft output.
Input mode	Direct motor, shaft input and connecting flange input
Input Method	Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor

Installation Instructions

Company Profile

< WORKSHOP

< QUALITY CONTROL

Certifications

Packaging & Shipping

FAQ

Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of reducer.

Q 2:Can you do OEM?
A:Yes, we can. We can do OEM for all the customers .if you want to order NON-STANDERD speed reducers,pls provide Drafts, Dimensions, Pictures and Samples if possible.

Q 3: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 4: Do you have inspection procedures for reducer?
A:100% self-inspection before packing.

Q 5: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 6:How to choose a gearbox? What if I don’t know which gear reducer I need?
A: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. Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.

Q 7: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, Size , Transmission Ratio, input and output type, input flange, mounting position, motor information and shaft deflection etc. b)Housing color.c) Purchase quantity. d) Other special requirements

Q 8:What is the payment term?
A:You can pay via T/T(30% in advance as deposit before production +70% before delivery

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Machinery, Agricultural Machinery
Function:	Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Vertical Output

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

worm gearbox

Self-Locking Properties in a Worm 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

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 Hot selling Good Price Helical Worm Gear Arrangement Helical Gear Reducer /Gear Motor/Motor Reducer/Gear Units/Gearbox for Agitator wholesaler
editor by CX 2024-04-03

China Good quality Top Quality Nmrv Worm Speed Reducer Transmission Gearboxes with Hot selling

Product Description

Technical Features

The high degree of modularity is a design feature of SRC helical gearboxes range. It can be connected respectively with motors such as normal motor, brake motor, explosion-proof motor, frequency conversion motor, servo motor, IEC motor and so on. This kind of product is widely used in drive fields such as textile, foodstuff, ceramics packing, logistics, plastics and so on. It is possible to set up the version required using flanges or feet.

Products characteristics

SRC series helical gear units has more than 4 types. Power 0.12-4kw; Ratio 3.66-54; Torque max 120-500Nm. It can be connected (foot or flange) discretionary and use multi-mounting positions according to customers requirements.

Ground-hardened helical gears;

Modularity,can be combined in many forms;

Aluminium casing, light weight;

Gears in carbonize hard, durable;

Universal mounting;

Refined design,space effective and low noise

Structure feature

Model illuminate

1	Code for gear units series
2	No F code means foot mounted.With F code B5 flange mounted.With Z code B14 flange mounted
3	Specification code of gear units 01
4	I,II,III,B5 Output flange specification,default I not to write out is ok
5	IEC: Input flange HS: shaft input
6	Transmission ratio of gear units
7	M1:Mounting position, default mounting position M1 not to write out is ok
8	Position diagram for motor terminal box,default position o°(R) not to write out is ok
9	No mark means without motor Model motor(poles of power)
10	Voltage – frequency
11	Coil in position for motor, default position S not to write out is ok

4.2 Rotation speed n

n1 Gear units input speed

n2 Gear units output speed

If driven by the external gearing,1400r/min or lower rotation speed is suggested so as to optimize the working conditions and prolong the service life.Higher input rotation speed is permitted, but in this situation,the rated torque M2 will be reduced

4.5 Service factor fs

The effect of the driven machine on the gear unit is taken into account to a sufficient level of accuracy using the service factor fs. The service factor is determined according to the daily operation time and the starting frequency Z. Three load classifications are considered depending on the mass acceleration factor. You can read off the service factor applicable to your application in following figure. The service factor selected using this diagram must be less than or equal to the service factor as given in the performance parameter table.

* starting frequency Z: The cycles include all starting and braking procedures as well as change overs from low to high speed

SRC02..(HS) Performance parameter

Output speed

Torque

Speed ratio

Model

IEC

0.37

16.7rpm

204N.M

1.0

SRC02

80B5/B14

Helical gearbox outline dimension heet

Foot Code	U	V	V1	V2	V3	W	X	X1	Y	Z
B02	18	107.5	60	–	130	11	136	155	100	17
M02	25	85	–	110	120	9	112	145	80	15
M01	18	80	–	110	120	9	118	145	80	15
B01	18	87	50	110	–	9	118	130	90	15

SRC helical gearbox with motor mounting position and terminal box orientation

Package
1 pc / carton,several cartons / wooden pallet /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Industry
Layout:	Cycloidal
Hardness:	Hardened

Samples:	US$ 25/Piece 1 Piece(Min.Order) \| Order Sample NMRV030

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

worm gearbox

Self-Locking Properties in a Worm Gearbox

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

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 Good quality Top Quality Nmrv Worm Speed Reducer Transmission Gearboxes with Hot selling
editor by CX 2024-04-02

China supplier Industrial Aluminium Stainless Steel Cast Iron NEMA Nmrv Worm Wheel Drive Motor Speed Reducer Reduction Gearbox components of gearbox

Product Description

Technical data list:

Type:	Worm Gear Speed Reducer
Model:	NMRV571–150
Ratio:	1:7.5,10,15,20,25,30,40,50,60,80,100
Color:	Blue/Silver Or On Customer Request
Material	Housing: Blue-Coloured 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:	high quality
Warranty:	-30-40°C
ICE FLANGE	80B5,90B5,100B5,112B5,132B5,160B5
Rated power:	0.06KW,0.12KW,0.25KW,0.75KW,1.5KW,3KW,5.5KW,7.5KW
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

NMRV	PAM	N	M	P	D
	ICE				5	7.5	10	15	20	25	30	40	50	60	80	100
25	56B14	50	65	80	9	9	9	9	9		9	9	9	9
30	63B5	95	115	140	11	11	11	11	11	11	11	11	11
	63B14	60	75	90
	56B5	80	100	120	9	9	9	9	9	9	9	9	9	9	9
	56B14	50	65	80
40	71B5	110	130	160	14	14	14	14	14	14	14	14
	71B14	70	85	105
	63B5	95	115	140	11	11	11	11	11	11	11	11	11	11	11	11
	63B14	60	75	90
	56B5	80	100	120									9	9	9	9
50	80B5	130	165	200	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160	14	14	14	14	14	14	14	14	14	14	14
	71B14	70	85	105
	63B5	95	115	140								11	11	11	11	11
63	90B5	130	165	200		24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200		19	19	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160								14	14	14	14	14
	71B14	70	85	105
75	100/112B5	180	215	250		28	28	28
	100/112B14	110	130	150
	90B5	130	165	200		24	24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200					19	19	19	19	19	19	19	19
	80B14	80	100	120
	71B5	110	130	160									14	14	14	14
90	100/112B5	190	215	250		28	28	28	28	28	28
	100/112B14	110	130	160
	90B5	130	165	200		24	24	24	24	24	24	24	24	24
	90B14	95	115	140
	80B5	130	165	200								19	19	19	19	19
	80B14	80	100	120
110	132B5	230	265	300		38	38	38	38
	100/112B5	180	215	250		28	28	28	28	28	28	28	28	28
	90B5	130	165	200						24	24	24	24	24	24	24
	80B5	130	165	200											19	19
130	132B5	230	265	300		38	38	38	38	38	38	38
	100/112B5	180	215	250						28	28	28	28	28	28	28
	90B5	130	165	200											24	24
150	160B5	250	300	350		42	42	42	42	42
	132B5	230	265	250					38	38	38	38	38	38
	100/112B5	180	215	200									28	28	28	28

Components:

1. Housing: Die-cast Aluminum Alloy Gearbox (RV571~RV090)
Cast Iron Gearbox (RV110~RV150)
2. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy
3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding
4. Input Configurations:
Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor)
IEC-normalized Motor Flange
Solid Shaft Input
Worm Shaft Tail Extension Input

5. Output Configurations: Keyed Hollow Shaft Output
Hollow Shaft with Output Flange
Plug-in CHINAMFG Shaft Output
6. Spare Parts: Worm Shaft Tail Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover
7. Gearbox Painting:
Aluminum Alloy Gearbox:
After Shot Blasting, Anticorrosion Treatment and Phosphating, Paint with the Color of RAL 5571 Gentian Blue or RAL 7035 Light Grey
Cast Iron Gearbox:
After Painting with Red Antirust Paint, Paint with the Color of RAL 5571 Gentian Blue

Workshop show

FAQ

Q 1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.We welcome sample order.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial
Hardness:	Hardened Tooth Surface
Installation:	Torque Arm Type
Step:	Single-Step

Samples:	US$ 20/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

Does a Worm Reducer Require Frequent Maintenance?

Lubrication: Proper lubrication is crucial for worm gearboxes. Regularly check the lubricant level and quality to prevent wear and overheating. Lubricant should be changed as recommended by the manufacturer.
Inspections: Periodically inspect the gearbox for signs of wear, damage, or oil leaks. Check for any unusual noises, vibrations, or changes in performance that could indicate a problem.
Tightening and Alignment: Check and tighten any loose fasteners and ensure that the gearbox is properly aligned. Misalignment can lead to increased wear and reduced efficiency.
Seal Maintenance: Inspect and maintain seals to prevent oil leakage and contaminants from entering the gearbox.
Cleaning: Keep the gearbox clean from debris and contaminants that could affect its performance. Regular cleaning can prevent premature wear and damage.
Load and Speed: Ensure that the gearbox is operating within its rated load and speed limits. Exceeding these limits can lead to accelerated wear and potential failure.
Environmental Conditions: Consider the operating environment of the gearbox. Extreme temperatures, humidity, and other factors can impact the gearbox’s performance and longevity.

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 supplier Industrial Aluminium Stainless Steel Cast Iron NEMA Nmrv Worm Wheel Drive Motor Speed Reducer Reduction Gearbox components of gearbox
editor by CX 2024-03-28

China manufacturer New Smrv Worm Speed Reducer Reduction RV Worm Gear Box comer gearbox

Product Description

We produce speed reducers in strict accordance with ISO9001 standard to provide our customers with high quality gearboxes at competitive prices. Our gearboxes are equipped with accessories from international famous brands, such as oil seal from CHINAMFG brand,lubricant from Shell brand, and bearing from CHINAMFG brand. The housing and gear are produced in our company under stringent quality control. All our products are available in large stocks, and we can also provide you with customized reducer solutions, pleasefeel confident to contact us.

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness:	Soft Tooth Surface
Installation:	Oscillating Base Type

Samples:	US$ 28.2/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

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Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

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

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

What is a Worm Gearbox and How Does It Work?

China manufacturer New Smrv Worm Speed Reducer Reduction RV Worm Gear Box comer gearbox
editor by CX 2023-10-11

China Standard Nmrv Worm Reducer Speed Reducer Gear Box gearbox definition

Product Description

Model No	NMRV571, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130, NMRV150
Ratio	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
Usage	Industrial Machine, Food Stuff, Ceramics, Chemical, Packing, Dyeing, Wood Working, Glass, etc.
Flange	IEC standard flange or customized dimensions
Housing Material	Aluminum&Cast iron
Size	11 sizes(WMRV25~WMRV185)
Power	0.06~22 KW
Nominal torque	≤2548 N.m
Ratio	5~100

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

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 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

Can a Worm Gearbox Provide High Torque Output?

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.

China Standard Nmrv Worm Reducer Speed Reducer Gear Box gearbox definition
editor by CX 2023-10-09

China Hot selling Iron Aluminum Shell Worm Gearbox with Output Hollow Shaft Speed Reducer gearbox design

Product Description

Model No	NMRV571, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130, NMRV150
Ratio	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
Usage	Industrial Machine, Food Stuff, Ceramics, Chemical, Packing, Dyeing, Wood Working, Glass, etc.
Flange	IEC standard flange or customized dimensions
Housing Material	Aluminum&Cast iron
Size	11 sizes(WMRV25~WMRV185)
Power	0.06~22 KW
Nominal torque	≤2548 N.m
Ratio	5~100

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.

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

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

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?

China Hot selling Iron Aluminum Shell Worm Gearbox with Output Hollow Shaft Speed Reducer gearbox design
editor by CX 2023-09-28

China Professional Right Angle Telescope Worm Gear Speed Reducer S Saf67 Worm Gear Box Motor Reducer 90 Degree Gearbox differential gearbox

Product Description

Product Parameters

Features of S series reducer

The same model can be equipped with motors of various powers. It is easy to realize the combination and connection between various models.
The transmission efficiency is high, and the single reducer efficiency is up to 96%. three
The transmission ratio is subdivided and the range is wide. The combined model can form a large transmission ratio and low output speed.
The installation forms are various, and can be installed with any foot, B5 flange or B4 flange. The foot mounting reducer has 2 machined foot mounting planes.
Helical gear and worm gear combination, compact structure, large reduction ratio.
Installation mode: foot installation, hollow shaft installation, flange installation, torque arm installation, small flange installation.
Input mode: motor direct connection, motor belt connection or input shaft, connection flange input.
Average efficiency: reduction ratio 7.5-69.39 is 77%; 70.43-288 is 62%; The S/R combination is 57%.

Detailed Photos

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

Samples:	US$ 150/Piece 1 Piece(Min.Order) \| Request Sample

worm gearbox

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

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.

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

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 Professional Right Angle Telescope Worm Gear Speed Reducer S Saf67 Worm Gear Box Motor Reducer 90 Degree Gearbox differential gearbox
editor by CX 2023-09-26

China OEM RV Series Speed Reducer 1: 30 Ratio Worm Gearboxes gearbox and motor

Product Description

RV Series Speed Reducer 1: 30 Ratio CHINAMFG Shaft Output Worm Gearboxes

Product Description

NMRV 571-150 worm gear box with flange and electric motor
NMRV+NMRV Double Stage Arrangement Reduction Gear Box
RV Series Worm Gearbox
worm speed reducer
nmrv worm gear motor

Detailed Photos

RV Series
Including RV / NMRV / NRV.
Main Characteristic of RV Series Worm Gearbox
RV series worm gear reducer is a new-generation product developed by CHINAMFG on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad.
1. High-quality aluminum alloy, light in weight and non-rusting.
2. Large in output torque.
3. Smooth running and low noise,durable in dreadful conditions.
4. High radiation efficiency.
5. Good-looking appearance, durable in service life and small volume.
6. Suitable for omnibearing installation.
Main Materials of RV Series Worm Gearbox
1. Housing: die-cast aluminum alloy(frame size: 571 to 090), cast iron(frame size: 110 to 150).
2. Worm: 20Crm, carbonization quencher heat treatment makes the surface hardness of worm gears up to 56-62 HRX, retain carbonization layer’s thickness between 0.3 and 0.5mm after precise grinding.
3. Worm Wheel: wearable stannum bronze alloy.

SPEED RATIO	7.5~100
OUTPUT TORQUE	<1050NM
IN POWER	0.09-11KW
MOUNTING TYPE	FOOT-MOUNTED FLANGE-MOUNTED

Product Parameters

When working, great load capacity, stable running, low noise with high efficiency.
Gear Box’s Usage Field
1	Metallurgy				11	Agitator
2	Mine				12	Rotary weeder
3	Machine				13	Metallurgy
4	Energy				14	Compressor
5	Transmission				15	Petroleum industry
6	Water Conserbancy				16	Air Compressor
7	Tomacco				17	Crusher
8	Medical				18	Materials
9	Packing				19	Electronics
10	Chemical industry				20	Textile indutry
…					…
Power	0.06kw	0.09kw	0.12kw	0.18kw	0.25kw	0.37kw	0.55kw
	0.75kw	1.1kw	1.5kw	2.2kw	3kw	4kw	5.5kw
	7.5kw	11kw	15kw
Torque	2.6N.m-3000N.m
Ratio	7.5-100, the double gearbox is more
Color	Blue, Silver or as customers’ need
Material	Iron or Aluminium
Packing	Carton with Plywood Case or as clients’ requirement
Type	RV571	RV030	RV040	RV050	RV063	RV075	RV090
Weight	0.7kg	1.3kg	2.3kg	3.5kg	6.2kg	9kg	13kg
Type	RV110	RV130	RV150
Weight	35kg	60kg	84kg

Certifications

Packaging & Shipping

Company Profile

Our Advantages

FAQ

Application:	Motor, Machinery
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Worm
Gear Shape:	Worm
Step:	Single-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

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

Can a Worm Gearbox Provide High Torque Output?

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.

China OEM RV Series Speed Reducer 1: 30 Ratio Worm Gearboxes gearbox and motor
editor by CX 2023-09-21

China Best Sales Right Angle Nmrv Gear Motor Speed Reducer Worm Gearbox manufacturer

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

Customization:	Available \| Customized Request

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

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.

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

Can a Worm Gearbox Provide High Torque Output?

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.

China Best Sales Right Angle Nmrv Gear Motor Speed Reducer Worm Gearbox manufacturer
editor by CX 2023-09-13