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China Hot selling Strong Die Cast Iron Housing RV Reduction Worm Gearbox gearbox adjustment

Product Description

Detailed Photos




Product Description

1. Housing: Die-cast Aluminium 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

Hollow Shaft Input with IEC-normalized Motor Flange
Solid Shaft Input


Product Parameters

Technical Data


Rated Power


Input Hole

Input Shaft

Output Hole

Output Shaft







































































Ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Flange Mounted
Foot Mounted
Torque Arm Mounted
Grease Lubrication
Oil-bath and Splash Lubrication
Natural Cooling





Company Profile

Xihu (West Lake) Dis.ng Transmission Equipment Co., Ltd. located HangZhou city, ZHangZhoug, as 1 professional manufacturer
and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox , AC motor and relative spare
parts, owns rich experience in this line for many years.

We are 1 direct factory, with advanced production equipment, the strong development team and producing
capacity to offer quality products for customers.

Our products widely served to various industries of Metallurgy, Chemicals, lifting,mining,Petroleum,textile,medicine,wooden etc. Main markets: China, Africa,Australia,Vietnam, Turkey,
Japan, Korea, Philippines…

Welcome to ask us any questions, good offer always for you for long term business.



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

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.

Q: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q:How to choose a gearbox which meets your requirement?
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.

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

Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Worm Gear
Step: Single-Step

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

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

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 Strong Die Cast Iron Housing RV Reduction Worm Gearbox   gearbox adjustment	China Hot selling Strong Die Cast Iron Housing RV Reduction Worm Gearbox   gearbox adjustment
editor by CX 2023-10-17

China Standard Wpwds Wpwda Cast Iron Housing Universal Speed Worm Reducer Gearbox double stage worm gearbox

Product Description

Product Description

Worm gear reducer design To improve its application power, the worm gear adopts non-ferrous metals as the primary data. The worm is generally made of hard steel, so it is easy to generate a large amount of heat during use, plus the influence of the ambient temperature. The temperature of the reducer is challenging to control-the range of working temperature. The working temperature of the worm gear reducer should be maintained at -40ºC~40ºC. When the ambient temperature is lower than 0 ºC, it should be heated before entirely dissolving the lubricating oil or using low freezing point lubricating oil.

Product Parameters


Related products


Company Profile

We are a professional company engaged in the R&D, design, and manufacturing of gearboxes. The company has introduced a number of sophisticated production and testing equipment. We have successfully developed 800Nm-11200Nm planetary gearboxes for construction machinery, special planetary gearboxes for mixers, special planetary gearboxes for buildings, special reducers for mines, wind power reducers, hydraulic rotary, winch series, gearboxes for rolling mills, and other series of gearboxes with hundreds of thousands of specifications. The products have been widely used in building materials, metallurgy, engineering machinery, hoisting, shipping, chemical, pharmaceutical, electric power, and other supporting units and engineering projects.
Since its establishment, the company has been accelerating the pace of scientific and technological innovation and independent brand construction to build its core competitiveness with new thinking and new manufacturing awareness.

Our Equipments


Packaging and Shipment 



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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: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
US$ 9999/Piece
1 Piece(Min.Order)

Request Sample

worm reducer

What is a worm gear reducer gearbox?

A worm gear reducer gearbox is a mechanical device that uses a worm gear and a worm to reduce the speed of a rotating shaft. The gear reducer gearbox can increase the output torque of the engine according to the gear ratio. This type of gear reducer gearbox is characterized by its flexibility and compact size. It also increases the strength and efficiency of the drive.

Hollow shaft worm gear reducer gearbox

The hollow shaft worm gear reducer gearbox is an additional output shaft connecting various motors and other gearboxes. They can be installed horizontally or vertically. Depending on size and scale, they can be used with gearboxes from 4GN to 5GX.
Worm gear reducer gearboxes are usually used in combination with helical gear reducer gearboxes. The latter is mounted on the input side of the worm gear reducer gearbox and is a great way to reduce the speed of high output motors. The gear reducer gearbox has high efficiency, low speed operation, low noise, low vibration and low energy consumption.
Worm gear reducer gearboxes are made of hard steel or non-ferrous metals, increasing their efficiency. However, gears are not indestructible, and failure to keep running can cause the gear oil to rust or emulsify. This is due to moisture condensation that occurs during the operation and shutdown of the reducer gearbox. The assembly process and quality of the bearing are important factors to prevent condensation.
Hollow shaft worm gear reducer gearboxes can be used in a variety of applications. They are commonly used in machine tools, variable speed drives and automotive applications. However, they are not suitable for continuous operation. If you plan to use a hollow shaft worm gear reducer gearbox, be sure to choose the correct one according to your requirements.

Double throat worm gear

Worm gear reducer gearboxes use a worm gear as the input gear. An electric motor or sprocket drives the worm, which is supported by anti-friction roller bearings. Worm gears are prone to wear due to the high friction in the gear teeth. This leads to corrosion of the confinement surfaces of the gears.
The pitch diameter and working depth of the worm gear are important. The pitch circle diameter is the diameter of the imaginary circle in which the worm and the gear mesh. Working depth is the maximum amount of worm thread that extends into the backlash. Throat diameter is the diameter of the circle at the lowest point of the worm gear face.
When the friction angle between the worm and the gear exceeds the lead angle of the worm, the worm gear is self-locking. This feature is useful for lifting equipment, but may be detrimental to systems that require reverse sensitivity. In these systems, the self-locking ability of the gears is a key limitation.
The double throat worm gear provides the tightest connection between the worm and the gear. The worm gear must be installed correctly to ensure maximum efficiency. One way to install the worm gear assembly is through a keyway. The keyway prevents the shaft from rotating, which is critical for transmitting torque. Then attach the gear to the hub using the set screw.
The axial and circumferential pitch of the worm gear should match the pitch diameter of the larger gear. Single-throat worm gears are single-threaded, and double-throat worm gears are double-throat. A single thread design advances one tooth, while a double thread design advances two teeth. The number of threads should match the number of mating gears.
worm reducer

Self-locking function

One of the most prominent features of a worm reducer gearbox is its self-locking function, which prevents the input and output shafts from being interchanged. The self-locking function is ideal for industrial applications where large gear reduction ratios are required without enlarging the gear box.
The self-locking function of a worm reducer gearbox can be achieved by choosing the right type of worm gear. However, it should be noted that this feature is not available in all types of worm gear reducer gearboxes. Worm gears are self-locking only when a specific speed ratio is reached. When the speed ratio is too small, the self-locking function will not work effectively.
Self-locking status of a worm reducer gearbox is determined by the lead, pressure, and coefficient of friction. In the early twentieth century, cars had a tendency to pull the steering toward the side with a flat tire. A worm drive reduced this tendency by reducing frictional forces and transmitting steering force to the wheel, which aids in steering and reduces wear and tear.
A self-locking worm reducer gearbox is a simple-machine with low mechanical efficiency. It is self-locking when the work at one end is greater than the work at the other. If the mechanical efficiency of a worm reducer gearbox is less than 50%, the friction will result in losses. In addition, the self-locking function is not applicable when the drive is reversed. This characteristic makes self-locking worm gears ideal for hoisting and lowering applications.
Another feature of a worm reducer gearbox is its ability to reduce axially. Worm gears can be double-lead or single-lead, and it is possible to adjust their backlash to compensate for tooth wear.

Heat generated by worm gears

Worm gears generate considerable amounts of heat. It is essential to reduce this heat to improve the performance of the gears. This heat can be mitigated by designing the worms with smoother surfaces. In general, the speed at which worm gears mesh should be in the range of 20 to 24 rms.
There are many approaches for calculating worm gear efficiency. However, no other approach uses an automatic approach to building the thermal network. The other methods either abstractly investigate the gearbox as an isothermal system or build the TNM statically. This paper describes a new method for automatically calculating heat balance and efficiency for worm gears.
Heat generated by worm gears is a significant source of power loss. Worm gears are typically characterized by high sliding speeds in their tooth contacts, which causes high frictional heat and increased thermal stresses. As a result, accurate calculations are necessary to ensure optimal operation. In order to determine the efficiency of a gearbox system, manufacturers often use the simulation program WTplus to calculate heat loss and efficiency. The heat balance calculation is achieved by adding the no-load and load-dependent power losses of the gearbox.
Worm gears require a special type of lubricant. A synthetic oil that is non-magnetic and has a low friction coefficient is used. However, the oil is only one of the options for lubricating worm gears. In order to extend the life of worm gears, you should also consider adding a natural additive to the lubricant.
Worm gears can have a very high reduction ratio. They can achieve massive reductions with little effort, compared to conventional gearsets which require multiple reductions. Worm gears also have fewer moving parts and places for failure than conventional gears. One disadvantage of worm gears is that they are not reversible, which limits their efficiency.
worm reducer

Size of worm gear reducer gearbox

Worm gear reducer gearboxes can be used to decrease the speed of a rotating shaft. They are usually designed with two shafts at right angles. The worm wheel acts as both the pinion and rack. The central cross section forms the boundary between the advancing and receding sides of the worm gear.
The output gear of a worm gear reducer gearbox has a small diameter compared to the input gear. This allows for low-speed operation while producing a high-torque output. This makes worm gear reducer gearboxes great for space-saving applications. They also have low initial costs.
Worm gear reducer gearboxes are one of the most popular types of speed reducer gearboxes. They can be small and powerful and are often used in power transmission systems. These units can be used in elevators, conveyor belts, security gates, and medical equipment. Worm gearing is often found in small and large sized machines.
Worm gears can also be adjusted. A dual-lead worm gear has a different lead on the left and right tooth surfaces. This allows for axial movement of the worm and can also be adjusted to reduce backlash. A backlash adjustment may be necessary as the worm wears down. In some cases, this backlash can be adjusted by adjusting the center distance between the worm gear.
The size of worm gear reducer gearbox depends on its function. For example, if the worm gear is used to reduce the speed of an automobile, it should be a model that can be installed in a small car.

China Standard Wpwds Wpwda Cast Iron Housing Universal Speed Worm Reducer Gearbox   double stage worm gearboxChina Standard Wpwds Wpwda Cast Iron Housing Universal Speed Worm Reducer Gearbox   double stage worm gearbox
editor by CX 2023-05-24

China Aluminium Housing RV Series wpa worm gear box worm gear screw jack worm speed gearbox gear reducer and motor 3 phase 380V 50HZ small worm gearbox


China supplier Aluminum Housing Worm Speed Reduction Right Angle Gearbox High Torque Standard

Item Description

Aluminum Housing Worm Velocity Reduction Proper Angle Gearbox Large Torque

1. Light-weight in w8 and non-rusting
two. Smooth in operating, can work a extended time in dreadful problems
three. Higher performance, minimal sound
four. Excellent-looking in appearance, sturdy in service daily life, and tiny in volume

Product photograph:

Specification for worm gearbox:

Model 571 ~ a hundred and fifty
Energy .06kw ~ 15kw
Enter pace 750rpm ~ 2000rpm
Reduction ratio 1/5 ~ 1/a hundred
Input motor AC (1 period or 3 section) / DC / BLDC / Stepper / Servo
Output shaft Solid shaft / Hollow shaft / Output flange…
Dimension normal Metric measurement / Inch size
Materials of housing die-cast aluminum / Solid iron / Stainless steel
Components Flange / Solid shaft / Torque arm / Go over …

Q: Can you make the gearbox with customization?
A: Indeed, we can personalize for every your request, like flange, shaft, configuration, materials, and many others.

Q: Do you offer samples?
A: Indeed. The sample is accessible for testing.

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

Q: What’s your direct time?
A: Normal merchandise require 5-30days, a bit more time for custom-made merchandise.

Q: Do you supply technical assistance?
A: Yes. Our firm have layout and development crew, we can provide specialized support if you
need to have.

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

Q: How to pay out the m1y?
A: T/T and L/C are favored, with a different forex, which includes USD, EUR, RMB, and so forth.

Q: How can I know the product is suited for me?
A: >1ST confirm drawing and specification >2nd take a look at sample >3rd start mass creation.

Q: Can I occur to your business to pay a visit to?
A: Yes, you are welcome to pay a visit to us at any time.

Q: How shall we speak to you?
A: You can send an inquiry directly, and we will answer in 24 hrs.


These compact, lightweight, lower backlash inline gear reducers ended up at first created for encoder programs. They are also appropriate for a lot of other push systems. Encoder equipment reducers have a extremely lower moment of inertia at the shaft input and are rated for enter speeds up to 3000 rpm. Two body dimensions are offered with gear ratios from 4.ninety six:1 to 3600:1. Our encoder gearbox sync pads are offered from inventory.
We are seasoned transmission sellers and offer you a broad assortment of transmissions, an important component of several push techniques. Gearboxes can be utilised to lessen or increase speed, increase torque, reverse or adjust the route of a travel shaft. Gearboxes are also identified as equipment drives, speed reducers, gear motors, speed reducers and gear reducers.

China supplier Aluminum Housing Worm Speed Reduction Right Angle Gearbox High Torque     Standard

China best Custom Planetary Gearbox Sintering Metal Housing High Rpm with Brushed Motors Good quality

Item Description

Item Identify : 8mm world Pace reducer gearbox, 3V , 6V , 12V ,24V DC planetary geared motor
Gearbox Variety: Planetary gears motor
Material: Powder metallurgy Metal 
Equipment Ratio : 5:1 , ten:1 , 20:1 , twenty five:1 , 30:1 , forty:1 , 50:1 , 60:1 ,70:1…100:1…  customised
Gearbox diameter : 6mm , 8mm,10mm , 12mm , 16mm , 22mm , 24mm , 32mm , 38mm , 42mm ……
3V , 12V ,24V offered .
Torque: twenty – 50 Nm, ten – 20 Nm, 5 – ten Nm,1 – 5 Nm, .5 – 1 Nm, .2 – .5 Nm, – .1 Nm, .1 – .2 Nm

D Shaft :4mm stainless steel output shaft
Coloration : Black & silver
RPM : 10, twenty , 30 , forty , 50 ,60 , 70, a hundred, 200…a thousand, 2000

We are a manufacturing unit specialized in metal gearbox by means of powder metallurgy process & metallic injection molding MIM approach and dc motor .We services with ODM/OEM gear motor layout and growth , an expecienced gearmotors producer.
A planetary (or epicyclical) gearbox makes use of epicyclical gears for speed reduction. It is composed of 1 or much more toothed wheels turning about a CZPT shaft. Every single rotates on its possess axis as effectively as revolving about the central shaft. This gives great reduction capability in a modest area, creating them typical in computerized transmissions.These mechanisms are employed where ever performance and large reduction ratios are needed in a tiny room. Examples are computerized transmissions and numerous industrial apps employing electric equipment motors.
planetary gears also refer as epicyclic gearing consisting 3 factors solar gear, world equipment and ring gear. Sunlight equipment is situated at the center that transmits torque to planet gears orbiting close to the sunlight equipment. Each programs are found inside of the ring gear. In the toothed development sunlight and planet gears are externally mesh and ring gear internally meshes. 
Planetary equipment is located in several variation and preparations to meet up with a broad variety of speed-ratio in the deign demands. Planetary equipment program is use in may differ purposes this kind of as, clocks, lunar calendar, vehicle mirror, toys, gearhead motor, turbine engine and several far more.
Gear motors are utilized in programs that require lower shaft speed and increased torque output. This describes a extensive selection of purposes and situations, such as many of the machines and gear we interact with on a day-to-day basis.
Gears for gearbox , spur gears , helical gears . Gears are toothed wheels are made of steel or plastic and transmit movement when meshing with each and every other . 
There are brushed motors , with brushes produced out of carbon .Brushless motor , stepper brushless DC motors .

Planetary Gearbox advantages:

  • Coaxial arrangement of input shaft and output shaft
  • Load distribution to several planetary gears
  • Higher effectiveness due to low CZPT power
  • Virtually unrestricted transmission ratio alternatives because of to combination of several earth stages
  • Appropriate as planetary switching gear thanks to fixing this or that element of the gearbox
  • Probability of use as overriding gearbox
  • Favorable volume output
  • Suitability for a wide assortment of application

Software :

  • Medical and CZPT Sector
  • Electronics and Telecommunication Business
  • Robotics Sector
  • Automation Industry
  • CNC, Device, and Instrument Producing Industries
  • Car, Textile, Printing, Foods, and Metallurgical Industries

Equipment motors for Home software :electric shaver, tooth brush, kitchen area appliances, hair clipper, stitching devices, massager, vibrator, hair dryer, rubdown machine, corn popper, scissor hair machine, vacuum cleaner, yard instrument, sanitary ware, window curtain, espresso machine, whisk, intelligent closestool, Sweeping robotic and etc.
For Automotive merchandise :conditioning damper actuator, door lock actuator, retractable rearview mirror, meters, optic axis manage gadget, head light beam degree adjuster, auto water pump, automobile an10na, lumbar support, EPB,Automobile tail gate electrical putter,energy liftgate etc.
For Office automation products:OA products, scanners, printers, multifunction equipment copy devices, fax, FAX paper cutter, pc peripheral, financial institution device, Movie conference etc.
For Toys and designs:radio management product, automatic cruise manage, experience-on toy and so forth.

Geared motors for automated units .

Custom tiny geared motors , world gearhead , reducer gears , steel gearbox , module equipment motor technique powder injection molding sintering gears


Production Workshop

The term “gearbox” is used to refer to any gadget that connects a motor to a equipment and is made up of a collection of gears, also acknowledged as a equipment set. It gets the primary enter pace from the motor and alterations it to a different output pace making use of its gears. Diverse types and mixtures of gears serve particular functions. The sorts of gears identified in gearboxes include spur gears, bevel gears, helical gears, helical gears and worm gears. The overall performance performance of a gearbox is represented by the gearbox ratio, which is the ratio of the speed of the enter resource to the pace of the output resource
Equipment reducers, also known as reducers, appear in many transmission types and are developed to multiply torque and lessen enter pace to a preferred output speed. The major advantage of inline gearboxes is their ability to sustain handle in applications involving high rotational speeds. Their performance and ability to supply high enter speeds with minimal backlash make inline reducer gearboxes excellent for a extensive selection of movement control purposes

China best Custom Planetary Gearbox Sintering Metal Housing High Rpm with Brushed Motors     Good quality

China high quality Ht250 Iron Cast Housing Body Helical Small Worm Gearbox Standard

Item Description

S collection Helical Geared Motor Characteristics

1. Characteristics:

  1. Large efficiency: 75%-eighty%
  2. Higher technological innovation: the helical gear and a worm gear mixed with an built-in transmission to enhance the torque and effectiveness.
  3. High precision: the equipment is created of higher-top quality alloy metal forging, carbonitriding and hardening treatment, grinding approach to ensure large precision and secure operating.
  4. High interchangeability: hugely modular, serial style, strong versatility and interchangeability.

2. Technological parameters

Ratio 6.8-288
Enter electrical power .12-22KW
Output torque 11-4530N.m
Output pace 5-206rpm
Mounting sort Foot mounted, foot mounted with reliable shaft, output flange mounted, hollow shaft mounted, B5 flange mounted with hollow shaft, foot mounted with hollow shaft, B14 flange mounted with hollow shaft, foot mounted with splined gap, foot mounted with shrink disk, hollow shaft mounted with anti-torque arm. 
Input Strategy Flange enter(AM), shaft input(Advertisement), inline AC motor input, or AQA servo motor
Brake Launch HF-manual release(lock in the brake launch position), HR-guide launch(autom-atic braking situation)
Thermistor TF(Thermistor safety PTC thermisto)
TH(Thermistor defense Bimetal swotch)
Mounting Situation M1, M2, M3, M4, M5, M6
Variety S37-S97
Output shaft dis. 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm,
Housing material HT200 higher-toughness solid iron from R37,forty seven,57,67,seventy seven,87
Housing material HT250 Higher toughness cast iron from R97 107,137,147,
Warmth treatment technology carbonitriding and hardening therapy
Solitary Phase Performance seventy five%-eighty%
Lubricant VG220
Protection Course IP55, F class

About Us

ZheJiang Starshine Drive Co.,Ltd,the predecessor was a state-owned armed forces CZPT organization, was established in 1965. Starshine specializes in the total power transmission answer for higher-end equipment production industries dependent on the intention of “System Solution, Application Design and style and Skilled Provider”.
Starshine have a robust technological force with more than 350 workers at present, like in excess of thirty engineering specialists, thirty high quality inspectors, masking an spot of 80000 square meters and sorts of innovative processing equipment and tests equipments. We have a excellent foundation for the market software improvement and provider of substantial-conclude speed reducers & variators proudly owning to the provincial engineering technological innovation investigation middle,the lab of gear velocity reducers, and the base of CZPT R&D.

Our Crew

Good quality Management
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection responsible for tracking bad, to monitor the supplier to take corrective 
measures to prevent recurrence.

four. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend
 found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of 
customer expectations and needs.

six. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check con10t:In the warehouse storage and transfer status to confirm, while confirming the delivery of the 
merchandise is a product inspection to determine the qualified products.

seven. Certification.



We are skilled transmission dealers and offer you a wide variety of transmissions, an essential element of many drive methods. Gearboxes can be employed to lessen or boost pace, enhance torque, reverse or alter the course of a travel shaft. Gearboxes are also known as gear drives, speed reducers, equipment motors, speed reducers and gear reducers.
Equipment reducers are also referred to as reducers. Mechanical add-ons, by possibly of these two names, are created to reduce the electricity transferred amongst the motor and the machine amongst the rotational speeds (revolutions for each minute). The reducer efficiently decreases the rotational velocity created by the motor, therefore controlling the pace at which the equipment operates and increasing the torque developed by the motor. Multiplying the torque developed by the motor boosts the machine’s available electricity – a procedure recognized as “mechanical dominance”. In a bigger context, equipment reducers are generally tools employed to improve the performance of equipment operation.

China high quality Ht250 Iron Cast Housing Body Helical Small Worm Gearbox     Standard

China sales SGS Approved Worm Gearbox with Cast Iron Housing Single Double Speed Gear Box Reducer Reduction for Electric Motor (Wpa Wpx Wpo Wpda) supplier

Solution Description

Solution Description


Business Profile

In 2571, HangZhou CZPT Machinery Co.,ltd was established by Ms. Iris and her two partners(Mr. Tian and Mr. Yang) in HangZhou metropolis(ZHangZhoug province, China), all a few Founders are engineers who have a lot more than averaged 30 several years of experience. Then simply because the demands of organization expansion, in 2014, it moved to the present Xihu (West Lake) Dis. Industrial Zone (HangZhou metropolis, ZHangZhoug province, China).

By way of our effectively-identified model ND, CZPT Equipment provides agricultural answers to agriculture machinery company and distributors throughout the world via a total line of spiral bevel gearboxes, straight bevel gearboxes, spur gearboxes, generate shafts, sheet metallic, hydraulic cylinder, motors, tyre, worm gearboxes, worm operators and many others. Items can be tailored as ask for.

We, CZPT equipment proven a total quality administration program and income provider community to give customers with high-quality items and satisfactory support. Our goods are bought in forty provinces and municipalities in China and 36 countries and locations in the entire world, our primary market place is the European industry.

Our factory

Our sample place


Why choose us?

one) Customization: With a strong R&D staff, and we can create items as required. It only normally takes up to 7 times for us to layout a established of drawings. The creation time for new merchandise is generally 50 days or much less.

2) Top quality: We have our very own full inspection and tests gear, which can ensure the quality of the items.

3) Capability: Our once-a-year generation potential is in excess of five hundred,000 sets, also, we also acknowledge small quantity orders, to meet the needs of diverse customer’s purchase quantities.

4) Services: We focus on supplying high-good quality items. Our products are in line with worldwide specifications and are mostly exported to Europe, Australia, and other nations around the world and regions.

5) Cargo: We are close to HangZhou and ZheJiang ports, to give the quickest transport support.

Packaging & Transport


Q: Are you a trading firm or manufacturer?
A: We are manufacturing unit and providing gearbox ODM & OEM services for the European marketplace for much more than 10 a long time

Q: Do you provide samples? is it cost-free or added?
A: Sure, we could supply the sample for free charge but do not pay the value of freight.

Q: How extended is your shipping and delivery time? What is your conditions of payment?
A: Normally it is forty-45 days. The time may possibly vary based on the solution and the level of customization.
For common goods, the payment is: thirty% T/T in progress,balance just before shipment.

Q: What is the exact MOQ or price for your merchandise?
A: As an OEM firm, we can give and adapt our products to a broad assortment of demands.
As a result, MOQ and value may possibly greatly differ with dimension, material and additional requirements For occasion, expensive goods or standard goods will generally have a reduce MOQ. Please get in touch with us with all appropriate specifics to get the most precise quotation.

If you have an additional query, make sure you feel totally free to contact us.

Proper angle gearboxes (worm and planetary gears) are sturdy and can be utilised for 90° turns. An inline reducer (parallel shaft and planetary) is an ideal matching motor with high enter speeds, or when gear motor effectiveness is critical. Contact our technological product sales employees to help establish which transmission resolution is greatest for you.

China sales SGS Approved Worm Gearbox with Cast Iron Housing Single Double Speed Gear Box Reducer Reduction for Electric Motor (Wpa Wpx Wpo Wpda)     supplier

China Hot selling Nmrv Nrv Low Speed Rpm Aluminum Housing Worm Speed Gearbox Best Sales

Solution Description

Item Description

NMRV sequence worm equipment reducer
one.  CZPT alloy housing, small size, light weight.
2. Higher transmission efficiency, reduced sounds.
three.Clean ruuning, substantial output torque and long services life.
four. A number of connection structure and installation.


Variety Worm Equipment Pace Reducer / Worm Gearbox
NMRV Product NMRV25, NMRV30, NMRV40, NMRV50, NMRV63, NMRV75, NMRV90, NMRV110, NMRV130, NMRV150
NRV Model NRV25, NRV30, NRV40, NRV50, NRV63, NRV75, NRV90, NRV110, NRV130, NRV150
Power .12kw-15kw
RATIO one/7.5,1/ten,1/15,1/20,1/fifteen,1/thirty,1/forty,1/fifty,1/sixty,1/80,1/100
Colour Blue(RAL5571), Silver grey (RAL9571), or on ask for
Material Housing/Flange:Aluminum Alloy
Worm Gear:Copper 9-4&nodular iron
Worm:20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
Shaft:chromium steel-forty five#
IEC FLANGE IEC common flange 56B14, 63B14, 63B5, 63B5, 71B14,80B14 AND SO ON
LUBRICANT Artificial & Mineral

In depth Pictures


NMRV Design&marker



Signifies hole-input with flange


Indicates shaft-input CZPT flange

sixty three

Centre-to-centre spacing of worm-equipment velocity reducer




Double enter shaft

F1 (FA)

Flange output


One output shaft


Double output shaft


Equipped for motor coupling


Motor mounting facility


Electrical motor electrical power


Mounting place


NMRV                                                                   NMRV+NMRV





Production the  CZPT Housing by CNC.                          Lots of  housings in inventory.

Lots of worm gears and worm shafts in inventory.

Assembling line 

Packaging & Shipping and delivery

Every single reducer in one carton box packed.


Q1: Are you buying and selling business or producer ?
A: We are manufacturing facility.

Q2: How extended is your shipping time and shipment?
one.Sample Guide-times: ten-twenty days.
2.Production Lead-instances: 30-45 times after get confirmed.

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Excellent technical engineers give you the very best help.
3. OEM is accessible.

Appropriate angle gearboxes (worm and planetary gears) are strong and can be employed for 90° turns. An inline reducer (parallel shaft and planetary) is an excellent matching motor with substantial enter speeds, or when equipment motor performance is critical. Make contact with our technical income workers to aid determine which transmission remedy is best for you.

China Hot selling Nmrv Nrv Low Speed Rpm Aluminum Housing Worm Speed Gearbox     Best Sales

China wholesaler Nmrv Low Speed Aluminum Housing Worm Reduction Gearbox Change Torque wholesaler

Product Description

Nmrv Minimal Pace CZPT Housing Worm Reduction Gearbox Alter Torque

one. Light-weight in bodyweight and non-rusting
2. Clean in managing, can operate a lengthy time in dreadful situations
3. Large performance, low sounds
4. Very good-looking in physical appearance, durable in services existence, and small in volume

Solution image:

Specification for worm gearbox:

Product 571 ~ one hundred fifty
Power .06kw ~ 15kw
Enter velocity 750rpm ~ 2000rpm
Reduction ratio one/5 ~ 1/one hundred
Input motor AC (1 period or 3 section) / DC / BLDC / Stepper / Servo
Output shaft Sound shaft / Hollow shaft / Output flange…
Dimension regular Metric size / Inch dimensions
Materials of housing die-solid aluminum / Forged iron / Stainless steel
Equipment Flange / Sound shaft / Torque arm / Go over …

Q: Can you make the gearbox with customization?
A: Indeed, we can personalize for each your ask for, like flange, shaft, configuration, content, and many others.

Q: Do you provide samples?
A: Yes. The sample is accessible for screening.

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

Q: What is actually your guide time?
A: Standard items need to have 5-30days, a little bit more time for personalized products.

Q: Do you offer specialized assistance?
A: Sure. Our firm have style and improvement team, we can give complex assist if you

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

Q: How to pay out the cash?
A: T/T and L/C are preferred, with a different forex, which includes USD, EUR, RMB, and so forth.

Q: How can I know the item is appropriate for me?
A: >1ST validate drawing and specification >2nd take a look at sample >3rd begin mass generation.

Q: Can I come to your business to go to?
A: Indeed, you are welcome to go to us at any time.

Q: How shall we get in touch with you?
A: You can deliver an inquiry directly, and we will respond within 24 hours.


Right angle gearboxes (worm and planetary gears) are sturdy and can be utilised for 90° turns. An inline reducer (parallel shaft and planetary) is an excellent matching motor with large input speeds, or when equipment motor performance is crucial. Make contact with our technical product sales workers to aid decide which transmission remedy is very best for you.

China wholesaler Nmrv Low Speed Aluminum Housing Worm Reduction Gearbox Change Torque     wholesaler

China Hot selling Wp Series Cast Iron Housing Worm Speed Gear Gearbox Hot selling

Product Description

SC Transmission WP Series Solid Iron Housing
Worm Pace Equipment Gearbox

Merchandise Description


one,Little equipment form, mild excess weight, CZPT the use of shaft coupling, chain, sprockets and other transmission parts.
2,The place is tiny, the enter shaft is mounted immediately to the machine facet, can successfully help save room.
3,Lower expense. Thanks to the direct set up, CZPT transmission components, assembly time can be reduced, in standard, can minimize the value of.
four,Straightforward set up, secure operation, extended service life, large carrying ability. Simply because of immediate docking and motor set up, can totally prevent contact transmission areas, does not need to have a protection include which can make sure the security.

Software Scope

WP equipment reducer series are commonly utilised in food, leather, glass, ceramics, metallurgy, mining, lifting, transportation, cement, development, chemical, textile, printing and dyeing, pharmaceutical and other gear
CZPT for WP worm gearbox one worm gearbox, double worm gearbox, common worm gearbox. And Screw jack reducer.


Item Parameters

Applicable Industries:  Manufacturing Plant, Foodstuff & Beverage Factory, Strength & Mining
Gearing Arrangement:                                               Worm       
Output Torque:  a hundred and seventy-291
Input Pace:  1500 rpm (in accordance to motor)     
Output Speed: twenty five -three hundred
Spot of Origin:                               China   
Housing Materials:                                              Die-forged iron
Heat treatment:                                 Carburizing & Quenching               


Organization Profile



Under is a record of our presently accessible industrial gearboxes. If you are not able to locate what you are looking for, you should contact the factory for far more choices. At EP, we are continuously creating new goods and retrofitting aged kinds to satisfy consumer requirements.

China Hot selling Wp Series Cast Iron Housing Worm Speed Gear Gearbox     Hot selling