Tag Archives: gear ratio

China 1500rpm 3 phase gear motor nmrv63 nmrv063 reduction gearbox ratio 1 20 speed reducers agnee worm gearbox

Applicable Industries: Garment Outlets, Developing Materials Retailers, Production Plant, Farms, Property Use, Retail, Development works , Energy & Mining, Other, Promoting Business
Fat (KG): 8.5 KG
Gearing Arrangement: Worm
Output Torque: 2.6-1760N.m
Input Speed: 600-3000rpm
Output Pace: fourteen-200rpm
Solution title: Worm Equipment Reductor
worm: Metal 45, carbon, nitriding
Ratio: 5-500
Coloration: Buyer Request
Bearing: NSK
Electricity: .09kw-15kw
Design: nmrv25-nmrv150
Packing: Carton and wooden situation
Housing Substance: Aluminum Metal
Kind: Worm Travel

Item Overview Buy Instructions:1. Remember to verify the design: . NMRV25,NMRV30,NMRV40,NMRV50,NMRV63,NMRV75,NMRV90,NMRV110, bike daelim transmission NMRV130, NMRV150.2. You should affirm velocity ratio:.7.5:1,10:1,15:1, 30:1, 20:1, twenty five:1, forty:1, fifty:1, sixty:1, 80:1, one hundred:1.3. If you need to join the motor for use, you should confirm the motor energy and the motor flange model.4. If you need to join DC motor, this kind of as servo, stepping, and so forth., you should get in touch with buyer service on the internet.5. If you don’t know how to decide on a product or want to know a lot more about the solution, please contact customer service on the web. Features AT A Glance The NMRV reducer is quite adaptable, DC series crowned drum gear coupling Large High quality Manufacturing facility Price forty five# steel rigid shaft connector electricity transmission scorching sale and it can be used flexibly in a assortment of locations, and can also be related to distinct components and electrical power supply tools Solution Requirements

NMRV-063-30-VS-F1(FA)-AS-80B5-.75KW-B3ItemKnowledge
NMRVWorm geared motor37.5KW
NRVWorm reduction device2.8 M3
63center dictance125Ton
30Reduction ratio96kN
VSDouble enter shaft96kNF1(FA)Output flange
ASSingle output shaft60kNABDouble output shaft
PAMFitted for motor coupling6750ml80B5Motor mounting facility
0.75KWElectric motor electrical power500N.mB3Mounting placement
Merchandise CONFIGURATION Sales AND Services Network Supply Scenario Effective Venture Similar Goods WP Worm Gear Reducer Gearbox SWL Worm Screw Jack Lifting Reductor Cycloidal Pinwheel Reductor Gearbox FAQ Q1: Are you a buying and selling company or a manufacturer ?A: We are a company in ZheJiang Province, China. Our business owns the potential of manufacturing, processing,creating and R&D.We welcome your check out.Q2: How we choose types and technical specs?A: According to the specific particulars of the needs from the part of enquiry, we will suggest the products’ types uponsynthesizing the factors of field of items utilization, power, torque arm and ratio…Q3: How is your value? Can you offer you any low cost?A: Our prices are often aggressive. If the client can area a large buy, we absolutely will permit price cut.This fall: How prolonged ought to I wait around for the suggestions right after I ship the enquiry?A4: We will reply the enquiries without having any hold off, twelve hours at most.Q5: What is your product warranty interval?A: We have the certifications of ISO99001,CE, SGS.Q6: What industries are your gearboxes becoming utilised?A: Our gearboxes are extensively used to metallurgical tools, mining gear, automation gear, food machinery, packagingequipment, tobacco equipment and so on.

worm reducer

Advantages and disadvantages of worm gear reducer gearbox

If you are looking for a worm gear reducer gearbox, you have come to the right place. This article will cover the pros and cons of worm gear reducer gearboxes and discuss the different types available. You will learn about multi-head worm gear reducer gearboxes, hollow shaft worm gear reducer gearboxes as well as hypoid gear sets and motors.

Hollow shaft worm gear reducer gearbox

Hollow shaft worm gear reducer gearboxes are used to connect two or more rotating parts. They are available in single-axis and dual-axis versions and can be connected to various motor types. They can also have different ratios. The ratios of these gear reducer gearboxes depend on the quality of the bearings and assembly process.
Hollow shaft worm gear reducer gearboxes are made of bronze worm gears and cast iron hubs. The gears are lubricated with synthetic oil. They are lightweight and durable. They can be installed in various engine housings. Additionally, these gear reducer gearboxes are available in a variety of sizes. The range includes 31.5, 40, 50, 63, and 75mm models. Other sizes are available upon request.
In addition to worm gear reducer gearboxes, there are also helical gear reducer gearboxes. These reducer gearboxes can achieve very low output speeds. They are also suitable for all-around installations. In addition, the advantage of a multi-stage reducer gearbox is that it is more efficient than a single-stage gear reducer gearbox. They also feature low noise, low vibration, and low energy consumption.
Hollow shaft worm gear reducer gearboxes are generally less expensive and last longer. They are also a suitable replacement for solid shaft gearboxes for machines that require high torque without compromising strength. Typical gear arrangements include worm, spur, helical and bevel gears. Gear ratio is the ratio of input torque to output torque.

Multi-head worm gear reducer gearbox

The multi-head worm gear reducer gearbox is used to reduce the speed of the machine. It uses friction to hold the worm in place while transmitting power. These gears can also be called ground worms and hardened worm gears. They are useful in conveying systems and most engineering applications.
Multiple worm reducer gearboxes have a large number of gear ratios. These gear designs have a central cross-section that forms the front and rear boundaries of the worm gear. This design is a better choice than other worm gears because it is less prone to wear and can be used with a variety of motors and other electronics.
Adjustable multi-head worm gear reducer gearbox to reduce axial play. Usually, the backlash on the left and right sides of the worm is the same. However, if you need less backlash, you can buy a double lead worm gear. This design is ideal for precision applications requiring small clearances. The lead of the opposing teeth of the double worm gear is different from the right side, so the backlash can be adjusted without adjusting the center distance between the worm gears.
Worm gear reducer gearboxes are available from a variety of manufacturers. Many gear manufacturers stock these gears. Since the gear ratios are standardized, there is no need to adjust the height, diameter, or length of the shaft. Worm gears have fewer moving parts, which means they require less maintenance.
worm reducer

Hypoid Gear Set

Worm gears are the most common type of gear. While these gears are great for high-to-low ratios, hypoid gear sets are much more efficient in all ratios. This difference is due to higher torque density, better geometry and materials, and the way hypoid gears transmit force differently than worm gears.
Hypoid gear sets have curved helical teeth. This results in smooth gear meshing and little noise. This is because the hypoid gears start to slowly contact each other, but the contact progresses smoothly from tooth to tooth. This reduces friction and wears, thereby increasing the efficiency of the machine.
The main advantages of hypoid gears over worm gears are higher torque capacity and lower noise levels. Although their upfront cost may be higher, hypoid gears are more efficient than worm gears. They are able to handle higher initial inertia loads and can deliver more torque with a smaller motor. This saves money in the long run.
Another advantage of hypoid gears is the lower operating temperature. They also do not require oil lubrication or ventilation holes, reducing maintenance requirements. The hypoid gear set is maintenance-free, and the grease on the hypoid gear set lasts for decades.

Hypoid gear motor

A hypoid gear motor is a good choice for a worm gear reducer gearbox as it allows for a smaller motor and more efficient energy transfer. In fact, a 1 hp motor driving a hypoid reducer gearbox can provide the same output as a 1/2 hp motor driving a worm reducer gearbox. A study by Agknx compared two gear reduction methods and determined that a hypoid gear motor produces more torque and power than a worm reducer gearbox when using a fixed reduction ratio of 60:1. The study also showed that the 1/2 HP hypoid gear motor is more energy efficient and reduces electricity bills.
Worm reducer gearboxes run hotter than hypoid gears, and the added heat can shorten their lifespan. This can cause components to wear out faster, and the motor may require more frequent oil changes. In addition, hypoid gear motors are more expensive to manufacture.
Compared to worm gears, hypoid gears offer higher efficiency and lower operating noise. However, they require additional processing techniques. They are made of bronze, a softer metal capable of absorbing heavy shock loads. Worm drives require work hardening and are less durable. Operating noise is reduced by up to 30%, and hypoid gears are less prone to breakage than bevel gears.
Hypoid gear motors are prized for their efficiency and are used in applications requiring lower torque. A unique hypoid tooth profile reduces friction. In addition, hypoid gear motors are ideal for applications where space is limited. These geared motors are often used with pulleys and levers.

R series worm gear reducer gearbox

R series worm gear reducer gearboxes have a variety of characteristics that make them ideal for different applications. Its high rigidity cast iron housing and rigid side gears are designed for smooth drive and low noise. It also features high load capacity and long service life. Additionally, it can be assembled into many different configurations as required.
High efficiency, large output torque and good use efficiency. It comes in four basic models ranging from 0.12KW to 200KW. It can be matched with right angle bevel gearbox to provide large speed ratio and high torque. This combination is also suitable for low output and high torque.
worm reducer

AGKNX Electric Worm Gear reducer gearbox

AGKNX Electric worm gear reducer gearboxes are available with NEMA C-face mounting flanges for a variety of motors. These reducer gearboxes feature double lip oil seals, an aluminum alloy housing, and two bearings on the input and output shafts. These reducer gearboxes are rust-proof and have epoxy paint on the inside. They are available in a variety of ratios, from 7.5:1 to 100:1.
Worm reducer gearboxes are one of the most cost-effective and compact gears. These reducer gearboxes increase output torque while reducing input speed. AGKNX Electric’s worm gear reducer gearboxes are pre-installed with Mobil SHC634 Synthetic Gear Oil. These reducer gearboxes have an internal oil gallery guide to protect the shaft. They also have a one-piece cast iron housing.
AGKNX Electric Corporation is the leading independent distributor of electric motors in the United States. They have eight strategically located warehouses, enabling them to ship most orders on the same day. They offer motors of various sizes up to 20,000 hp. They also offer a variety of motor controls and variable speed drives.
China 1500rpm 3 phase gear motor nmrv63 nmrv063 reduction gearbox ratio 1 20 speed reducers     agnee worm gearboxChina 1500rpm 3 phase gear motor nmrv63 nmrv063 reduction gearbox ratio 1 20 speed reducers     agnee worm gearbox
editor by Cx 2023-06-29

China 130 ratio hollow shaft gear reducer worm reducation gearbox cast iron worm gearbox

2023-05-06

China Drive Shaft China 220v Rv Nmrv Series Ac Electric Motor Worm Gear 130 301 Ratio Speed Reducer Manufacturer Reduction Gearbox gearbox worm box

Guarantee: 1 year right after vessel date
Relevant Industries: Creating Material Outlets, Manufacturing Plant, Equipment Repair Stores, Foods & Beverage Manufacturing facility, Farms, Printing Stores, Energy & Mining, Development operates
Bodyweight (KG): 50 KG, Low-cost Mechinanical Transmission motorized bicycle adapter with sprocket plastic chain sprocket 10 KG
Custom-made assistance: OEM, ODM
Gearing Arrangement: Worm
Output Torque: 2.6-1760N.m
Enter Velocity: 750~3500rpm
Output Pace: 14-280rpm
Item name: Grey color worm reduction gearbox
Product: From RV25 up to RV185
Materials: Aluminum&iron cating
Color: K9149 (Grey )OR RAL5571(blue)
Ratio: 7.5,10,15,20,thirty,40,fifty, CG125 CG150 motorbike chain with greatest price wholesale bike sprocket for south American sixty,eighty,100
Top quality Manage Program: ISO9001:2008
Port: ZheJiang or HangZhou Port,China

Products Description Much more Products Company Profile Item Line Certifications Exhibition Customer Critiques FAQ 1. How to decide on a gearbox which meets our necessity?You can refer to our catalogue to decide on the gearbox or we can aid to choose when you providethe technological details of needed output torque, output pace and motor parameter and so on.2. What details shall we give just before positioning a obtain order?a) Kind of the gearbox, ratio, enter and output kind, enter flange, Casting Ductile Iron Variator Rv Reducer Gearbox Worm Gear Pace Reducer mounting place, and motor informationetc.b) Housing shade.c) Obtain quantity.d) Other unique requirements.3. What industries are your gearboxes being used?Our gearboxes are extensively employed in the areas of textile, meals processing, beverage, chemical sector,escalator,computerized storage tools, metallurgy, Roller chain assembly line stainless metal carbon metal plastic double attachment bending plate double pitch conveyor chain tabacco, environmental security, logistics and and so on.

What is a worm gear reducer gearbox?

The worm gear reducer gearbox is used to change the output speed of the mechanical device. It consists of worm and helical gears mounted on the input side of the equipment. In some cases, this gear reduction system can be multi-stage, enabling extremely low output speeds. It has the advantages of low energy consumption and low vibration.
worm reducerHollow shaft worm gear reducer gearbox

Worm gear reducer gearbox is an effective device to reduce the speed of mechanical equipment. The use of hard steel or non-ferrous metals for the worm increases its efficiency. Worms made of hard steel generate more heat than worms made of mild steel. Different thermal expansion results in gaps between mating surfaces. Despite its many benefits, worm gear reducer gearboxes are prone to oil leakage, which can be a problem for a number of reasons.
Hollow shaft worm gear reducer gearboxes are available in different gear ratios and are compatible with many motor types. Some are available in dual-axis and single-axis configurations and can be mounted horizontally or vertically. They are also available in intermediate ratios, as well as four- and five-speed transmission types. They can also be connected with additional output shafts.
Another type of worm gear reducer gearbox is the multi-stage variety. This gear reducer gearbox has multiple stages, enabling it to reduce speed with extremely low output speeds. In addition to the large transmission ratio, the multi-stage gear reducer gearbox has low noise, low vibration and low energy consumption.
Worm gear reducer gearboxes offer space-saving solutions as well as increased torque. Agknx Gearbox offers worm gear reducer gearboxes that solve common deceleration problems. The company has also expanded its product range into the bathroom market. Compared with the standard gearbox, the worm gear reducer gearbox has the characteristics of lower price and better torque output.
Agknx worm gear

The Agknx type worm gear reducer gearbox has multi-tooth line contact and is widely used in heavy machinery. These gears are characterized by a high load-carrying capacity, but they are highly sensitive to misalignment and manufacturing errors. However, by employing point contact, these gears can be made more reliable and can withstand higher loads.
Another major advantage of the Agknx worm gear is its high load capacity. The tooth profile design of the gears has a high relative slip ratio, which improves efficiency and load capacity. In addition, the large angle between the sliding direction and the contact line provides a low coefficient of friction. The Agknx worm gear also features premium carburized steel and phosphor bronze castings for exceptional durability. In addition, the tooth profile is very precise, the operation is quiet, and the speed fluctuation is small.
Agknx worm gear reducer gearboxes are designed to operate for up to ten hours per day with an even load. The design of this worm gear reducer gearbox stems from Sumitomo Heavy Industries’ extensive experience in gear reducer gearboxes. The smooth surface texture and precise tooth profile of the gears ensure that the gears can withstand high loads without damaging the lubricant film. In addition, Agknx worm shafts are specially designed to have the right stiffness.
Agknx worm gear reducer gearboxes are designed to maximize load capacity while minimizing energy consumption. Its fully meshed teeth reduce surface pressure on the worm gear teeth and increase load capacity.
worm reducerDouble throat worm gear

There are a few things to consider when choosing a dual-throat worm gear. First, the diameter of the root circle must match the circle pitch of the larger gear. This measurement is usually done by measuring the distance between adjacent teeth. Alternatively, the worm’s normal module can be used. It is the value entered in the worm module dialog. In addition, the axial pitch of the worm should be equal to the pitch diameter of the circular pitch.
Double-throat worm gears are an excellent choice for heavy and heavy-duty applications. The design of this worm gear is ideal for heavy-duty applications as it provides a tighter connection between the worm and the gear. It is also more compact than other types of gear and is comparable to a fine-pitch lead screw.
The efficiency of a double-throat worm gear depends on the material of the gear and worm. Typically, gears are made of case-hardened steel, while worm gears are made of bronze or cast iron. In some cases, a combination of cast iron and bronze can be used.
The deflection of the worm shaft is also affected by the tooth parameters. Tooth height, pressure angle, and size factors all affect the deflection of the worm shaft. In addition, the number of worm threads is another important parameter that affects the deflection of the worm shaft.
Double-throat worm gears are commonly used in industrial applications where high drive reduction is required. The worm has a concave and internal tooth structure that can be adjusted to achieve various ratios. Worm gears and worm gear assemblies must be properly mounted on their shafts to prevent back drive.
Brass worm gear

The basic working principle of the brass worm gear reducer gearbox is the same as that of the traditional worm gear reducer gearbox. Its axial pitch must be equal to the circumferential pitch of the larger gear. The single-thread design advances one tooth per revolution, while the double-thread design advances two teeth. The threads on the worm are either left-handed or right-handed. The lead of a worm is the distance a point on the thread of the worm moves in one revolution. The lead angle is the angle tangent to the pitch of the cylinder and the axis of the worm.
Double-thread worm gear reducer gearboxes are best for heavy loads. It provides the tightest connection between the worm and the gear. Assembly of the worm gear requires precise mounting. The keyway installation method involves drilling a square cut in the gear hole. This prevents the worm from rotating on the shaft and helps transmit torque. Then use the set screw to secure the gear to the hub.
The large fuel tank helps keep the worm gear clean and reduces heat. It also provides lubrication for extended life. Worm gear reducer gearboxes with oil reservoirs provide a lubricated environment and low-friction surfaces. Additionally, it offers multi-position installation flexibility. Additionally, its housing is cross-milled for precise alignment. It also features internal baffles for leak-free ventilation.
I260 series worm gear reducer gearboxes are one-piece iron casings with solid or hollow output shafts and tapered roller bearings. This gear reducer gearbox is designed for low to medium-horsepower applications. This gear reducer gearbox is a cost-effective option with low initial cost, the high gear ratio, and high torque in a compact package. Also, it is more shock resistant than other gear reducer gearboxes.
worm reducerBrass worm gear

Brass worm gear reducer gearbox is a reduction gear. This type of gear can provide a lot of reduction in a small package. This type of gear reducer gearbox also has the ability to generate high torque. However, it is important to understand that this gear reducer gearbox has thermal limitations, which reduce its efficiency. The choice of lubricant for this gear reducer gearbox is very flexible. However, being a yellow metal, it is important to remember that the lubricant must be non-reactive.
Worm gears are used in many consumer and industrial applications and have high reduction ratios. These gears are produced in various configurations and sizes. Worm gears are similar to spur gears but have non-parallel shafts. Worm gears are also suitable for applications requiring low output speed but high torque.
Worm gears have some distinct advantages over other gears. First, unlike standard gears, the worm rotates in a worm-like motion. This mechanism prevents reverse movement. This is because the lead angle of the worm gear is small. Additionally, the worms self-lock, helping to prevent reversal. However, this mechanism is not entirely reliable. Worm gears can be found in elevators, fishing reels, sprockets, and automotive power steering.
Another advantage of worm gears is that they are easy to manufacture. The rationale behind this design is to have two mutually perpendicular axes. Then, two or more threads are added to the worm gear. The common tangent between these two shafts intersects the pitch line of the worm gear shaft. This is the basis of transfer speed.

China Drive Shaft China 220v Rv Nmrv Series Ac Electric Motor Worm Gear 130 301 Ratio Speed Reducer Manufacturer Reduction Gearbox     gearbox worm boxChina Drive Shaft China 220v Rv Nmrv Series Ac Electric Motor Worm Gear 130 301 Ratio Speed Reducer Manufacturer Reduction Gearbox     gearbox worm box
editor by czh 2023-02-10

China best Guaranteed quality ratio 10 20 30 40 50 60 WPDA worm gear reducer WPA speed reducer transmission horizontal gearbox with high quality

Applicable Industries: Lodges, Building Materials Outlets, Machinery Fix Retailers, Foods & Beverage Manufacturing unit, Building works , Power & Mining
Gearing Arrangement: Worm
Output Torque: 1.8-2371N.M
Input Pace: 750-1500rpm
Output Velocity: fourteen-280rpm
Product identify: WPA sequence worm speed reductor
Ratio: ten~60
Input speed: 750-1500rpm
Output velocity: 14-280rpm
Certificate: ISO 9001
Output torque: 1.8-2371N.M
Input electricity: .4~34kw
Warranty: 1~2 A long time
Bearing: CZPT Bearing
Mounting Placement: Vertical Mounted

WP Sequence WORM Equipment Speed REDUCERWP collection reducer, worm is manufactured of 45 # large top quality steel by warmth treatment method, and worm wheel is solid with tin bronze. It has excellent put on resistance, specifically in bearing capacity. It is mostly suited for deceleration transmission of a variety of mechanical gear such as plastics, metallurgy, beverage, mine, lifting and transportation, chemical development and so on.
WP Sequence WORM Gear Pace REDUCERwp collection structure drawing
WP Series WORM Equipment Speed REDUCER Attributes:●Drive effortlessly, vibration, effect and noise are small, deceleration ratio is huge, versatility is broad, and can be utilized with a variety of mechanical gear.
●Large transmission ratio can be obtained by solitary-phase transmission, and the structure is compact. Most sorts of reducers have far better self-locking functionality. Braking units can be saved for mechanical gear with braking requirements.
●The meshing friction loss in between worm tooth and worm equipment tooth area is more substantial, so the transmission performance is reduced than that of equipment, easy to warmth and higher temperature.●Higher specifications for lubrication and cooling.●Good compatibility, worm gear and worm are manufactured according to national expectations, bearing, oil seal and other regular elements are used.

Velocity Ratio1/tenone/fifteenone/20one/25one/thirty1/401/50one/60
Performance77~ninety%seventy six~88%75~eighty four%72~82%sixty eight~82%64~75%sixty two~72%60~seventy one%
WP Collection WORM Gear Pace REDUCER MOUNTING Proportions OUTPUT SHAFT Proportions AND OVERVIEW DimensionsWPA Series MOUNTING Position
WPA Series MOUNTING Placement
High High quality OUTPUT SHAFTNew normal axle, multi-precision machining, by way of rigorous dynamic and static equilibrium take a look at, to make sure lower noise and sleek procedure of reducer.
PRECISION BEVEL Equipment20CrMn Ti materials – minimal carbon alloy metalImported equipment grinding equipment processing, high hardness, stable functionality.Vacuum CZPT carburizing heat treatment, carburizing layer uniform.
Substantial Quality SHELL SubstanceThe box physique is produced of HT200 materials,which is cleaned by specialist screening and washing products to ensure that the inner cavity of the box entire body is cleaner with no iron filings.
Our Business Software area WP series worm equipment pace reducer
It is mainly ideal for deceleration transmission of a variety of mechanical tools this sort of as plastics, metallurgy, beverage, mine, lifting and transportation, chemical development and so on.
Packing&Transportion PACKING AND TRANSPORTION●Packaging: In purchase to guarantee the integrity of product appearance, we will select cartons, picket pallets and wooden pallets according to buyer requirements.●Delivery time: Every single reducer is created and tested in accordance with rigid and fixed processes to ensure that the top quality is right prior to leaving the manufacturing facility and shipping and delivery on time.●Transportation method: We will choose the most ideal mode of transportation for our clients in accordance to the weight and dimension of the merchandise. We can also select the method of transportation in accordance to the requirements of our clients.●Receiving and after-product sales provider: Following receiving the merchandise, please check regardless of whether they are in great issue. We will supply consumers with best right after-revenue provider.
FAQQ1: Are you a buying and selling company or a company ?A: We are a producer in ZheJiang Province, China. Our organization owns the potential of manufacturing, processing, designing and R&D. We welcome your go to.Q2: How we decide on types and specifications?A: In accordance to the distinct information of the requires from the component of enquiry, we will advocate the products’ designs on synthesizing the elements of subject of goods usage, electricity, torque arm and ratio…Q3: How is your cost? Can you provide any low cost?A: Our charges are constantly aggressive. If the customer can place a huge purchase, we certainly will permit price cut.This autumn: How extended should I wait for the feedback right after I deliver the enquiry?A4: We will reply as soon as attainable, twelve several hours at most.Q5: What is your item warranty time period?A: We have the certifications of ISO9001,CE, SGS.Q6: What industries are your gearboxes getting utilised?A: Our gearboxes are extensively used to metallurgical products, mining products, automation gear, meals machinery, packaging tools, tobacco products and so on.
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What is a worm gear reducer?

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

Hollow shaft worm gear reducer

The hollow shaft worm gear reducer 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 reducers are usually used in combination with helical gear reducers. The latter is mounted on the input side of the worm gear reducer and is a great way to reduce the speed of high output motors. The gear reducer has high efficiency, low speed operation, low noise, low vibration and low energy consumption.
Worm gear reducers 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. The assembly process and quality of the bearing are important factors to prevent condensation.
Hollow shaft worm gear reducers 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, be sure to choose the correct one according to your requirements.

Double throat worm gear

Worm gear reducers 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 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 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 reducers. 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 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 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 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 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

Worm gear reducers 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 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 reducers great for space-saving applications. They also have low initial costs.
Worm gear reducers are one of the most popular types of speed reducers. 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 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 best Guaranteed quality ratio 10 20 30 40 50 60 WPDA worm gear reducer WPA speed reducer transmission horizontal gearbox     with high quality China best Guaranteed quality ratio 10 20 30 40 50 60 WPDA worm gear reducer WPA speed reducer transmission horizontal gearbox     with high quality
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in Al-Ain United Arab Emirates sales price shop near me near me shop factory supplier Different Load Classifications Worm Gear Units with Ratio 7.5-100 manufacturer best Cost Custom Cheap wholesaler

  in Al-Ain United Arab Emirates  sales   price   shop   near me   near me shop   factory   supplier Different Load Classifications Worm Gear Units with Ratio 7.5-100 manufacturer   best   Cost   Custom   Cheap   wholesaler

Furthermore, all our creation processes are in compliance with ISO9002 standards. EPG is a expert company and exporter that is anxious with the design and style, growth and manufacturing. we have attained the have confidence in of buyers globally. Merchandise INTRODUCTION:
Main Attributes:
one) Produced of substantial good quality EPT alloy, ligEPT weigEPT and non-rusting
two) Large output torque and high radiating effectiveness 3) Easy operating and minimal sound, can work EPT time in dreadful problem
4) Great-hunting look, sturdy services daily life and tiny quantity
5) Appropriate for omnibearing installation
Main Materials:
1)housing: aluminium alloy ADC12(dimension 571-090) die solid iron EPT200(size 110-a hundred and fifty)
two)Worm:20Cr, ZI Involute profile carbonize ampquencher heat treatment make EPT surface hardness up to 56-62 HRC Soon after precision grinding, carburization layer’s thickness amongst .three-.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1

Item PARAMETERS:

Dimensions Specification EPT ratio
IEC N M P 7.5 ten fifteen twenty 25 30 40 fifty sixty 80 100
D
25 56B14 50 sixty five 80 nine nine 9 9 9 9 9 nine nine
30 63B5 ninety five one hundred fifteen one hundred forty 11 11 11 11 11 eleven eleven 11
63B14 sixty 75 90
56B5 eighty 100 one hundred twenty 9 nine nine 9 nine nine 9 9 9 9
56B14 fifty sixty five eighty 9 9 9 nine 9 9 nine 9 nine nine
40 71B5 one hundred ten one hundred thirty one hundred sixty fourteen 14 fourteen 14 14 14 fourteen fourteen
71B14 70 eighty five one hundred and five
63B5 95 a hundred and fifteen one hundred forty 11 eleven eleven eleven eleven 11 eleven 11 eleven eleven 11
63B14 sixty 75 ninety
56B5 80 a hundred one hundred twenty 9 9 9 nine
50 80B5 one hundred thirty a hundred sixty five two hundred 19 19 19 19 19 19 19
80B14 eighty 100 one hundred twenty
71B5 one hundred ten a hundred thirty a hundred and sixty fourteen fourteen 14 fourteen 14 fourteen 14 14 14 fourteen
71B14 70 eighty five 105
63B5 95 115 one hundred forty 11 eleven eleven eleven
sixty three 90B5 one hundred thirty one hundred sixty five two hundred 24 24 24 24 24 24 24
90B14 ninety five 115 a hundred and forty
80B5 130 a hundred sixty five two hundred 19 19 19 19 19 19 19 19 19 19
80B14 eighty a hundred one hundred twenty
71B5 a hundred and ten 130 one hundred sixty fourteen 14 fourteen fourteen fourteen
71B14 70 85 one zero five
seventy five a hundred/112B5 one hundred eighty 215 250 28 28 28
100/112B14 a hundred and ten one hundred thirty 160
90B5 one hundred thirty a hundred sixty five two hundred 24 24 24 24 24 24 24
90B14 ninety five one hundred fifteen a hundred and forty
80B5 one hundred thirty a hundred sixty five 200 19 19 19 19 19 19 19 19
80B14 80 a hundred 120
71B5 a hundred and ten 130 one hundred sixty fourteen 14 14 fourteen
ninety a hundred/112B5 one hundred eighty 215 250 28 28 28 28 28 28
100/112B14 one hundred ten one hundred thirty one hundred sixty
90B5 one hundred thirty a hundred sixty five two hundred 24 24 24 24 24 24 24 24 24
90B14 95 115 one hundred forty
80B5 one hundred thirty one hundred sixty five two hundred 19 19 19 19 19
80B14 80 a hundred one hundred twenty
one hundred ten 132B5 230 265 three hundred 38 38 38 38
100/112B5 one hundred eighty 215 250 28 28 28 28 28 28 28 28 28
one hundred/112B14 a hundred and ten a hundred thirty a hundred and sixty
90B5 a hundred thirty a hundred sixty five 200 24 24 24 24 24 24 24
80B5 one hundred thirty 165 200 19 19
130 132B5 230 265 300 38 38 38 38 38 38 38
100/112B5 a hundred and eighty 215 250 28 28 28 28 28 28 28
a hundred/112B14 110 one hundred thirty one hundred sixty
90B5 130 a hundred sixty five 200 24 24
150 160B5 250 300 350 forty two forty two 42 42 42
132B5 230 265 300 38 38 38 38 38 38
one hundred/112B5 one hundred eighty 215 250 28 28 28 28

Product Outline Dimensions:

Business Transient INTRODUCTION:
We are a specialist EPT manufacturer located in EPTizhou, EPT province.
Our leading products is entire assortment of RV571-a hundred and fifty worm EPTs , also equipped hypoid helical EPT, Pc models, UDL Variators and AC EPTs.
EPT are commonly used for apps these kinds of as: foodstuffs, EPT, EPT, chemicals, pharmacy, plastics, paper-creating, building EPTry, metallurgic EPT, environmental protection engineering, and all types of computerized strains, and assembly strains.
With rapidly shipping, outstanding following-sales provider, EPT producing faXiHu (West Lake) Dis.Hu (West Lake) Dis.ty, our items offer properly both at property and overseas. We have exported our EPTs to SouthEPT Asia, EPTern Europe and the Middle EPT and so on.Our aim is to deveXiHu (West Lake) Dis.Hu (West Lake) Dis. and innovate on the basis of high good quality, and EPT a very good track record for EPTs.

WORKSHOP:



EXHIBITIONS:




FAQ:

1.Q:Can you make as per buyer drawing?
A: Of course, we provide custom-made support for consumers appropriately. We can use customer’s nameplate for EPTes.
two.Q:What is your conditions of payment ?
A: 30% deposit before creation,stability T/T just before delivery.
3.Q:Are you a buying and selling company or maker?
A:We are a manufacurer with EPT tools and knowledgeable staff.
4.Q:What’s your creation potential?
A:8000-9000 PCS/Month
four.Q:What is your MOQ?
A: one pcs
5.Q:Cost-free sample is obtainable or not?
A:Yes, we can provide cost-free sample if client concur to pay for the courier EPT
six.Q:Do you have any certificate?
A:Sure, we have CE certificate and SGS certificate report.
Speak to details:
Ms Lingel Pan

For any inquiries just truly feel cost-free ton get in touch with me. Several many thanks for your kind consideration to our firm!

  in Al-Ain United Arab Emirates  sales   price   shop   near me   near me shop   factory   supplier Different Load Classifications Worm Gear Units with Ratio 7.5-100 manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Al-Ain United Arab Emirates  sales   price   shop   near me   near me shop   factory   supplier Different Load Classifications Worm Gear Units with Ratio 7.5-100 manufacturer   best   Cost   Custom   Cheap   wholesaler

Best China manufacturer & factory SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit With high quality best price

Best China manufacturer & factory SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit With high quality best price

Due to our wide product range and rich experiences in this industry, we are confident to provide our customers flexible and diversified services.

BREATHER DESIGN Although there are dozens of stock breathers and vent plugs on the market, EPT testing found none to be totally effective under all operating conditions. Variables such as input/output speed, direction of rotation, oil level and viscosity, and reducer mounting position all affect breather performance.

Overview

Quick Details

Applicable Industries:

Building Material Shops

Place of Origin:Zhejiang, China
Brand Name:

OEM

Certification:

ISO9001-2008

Lifting Capacity:

As request

Gear material:

Low carbon high alloy steel

Heat treatment:

Carburising, quenching, gear grinding

Bearing:

U&C

Supply Ability

Supply Ability:
PTO Shaft Safety Tips The most common PTO related injuries tend to occur when articles of loose clothing become entangled in the shaft. When operating the PTO, never reach over the shaft for any reason and avoid wearing loose-fitting clothing. Injury can occur quickly, providing the operator little time to react, and in some cases resulting in death.
500 Unit/Units per Month

Packaging & Delivery

Our products are selling well in Chinese markets and some products sold in international markets are well received by Chinese and foreign clients at home and abroad.

Packaging Details
Standard exporting package
Port
Ningbo Port, Shanghai Port

Online Customization

Product Description

 SWL series Screw jack for lift system tables has the features of compacted structure, light and portable, flexible, reliable, long service life, easy to installation, and self-locking while stop.

SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unitSWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unitSWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit

Certifications

SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit   

 

 

Trade Shows

         SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit 

    

 

Packaging & Shipping

Packing Details  : Standard carton/Pallet/Standard wooden case

Delivery Details : 15-30 working days upon payment

SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit 

Company Information

SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit 

other series product

Precision Planetary gearbox Robot RV gearbox speed reducer
Custom made Non-standard Gearbox UDL Series Variator
PYZ Series Helical Tooth Shaft Mounted Reducer 8000 Series Cycloidal Reducer
SLT Series  Spiral Bevel Gearbox SLSWL Series Worm Screw Jack
SLP Series Planetary Reducer SLH/SLB Series High Power Reducer
NMRV Series Worm Reducer BKM Series Helical-hypoid Reducer
SLRC Series Helical Reducer SLSMR Series Shaft Mounted Reducer
SLXG Series Shaft Mounted Reducer X/B Series Cycloidal Reducer
SLR/SLF/SLK/SLS Series Helical Reducer  

Related Products

 

 

Contact

 

        SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit

 

 

 

 

Best China manufacturer & factory SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit With high quality best price

Best China manufacturer & factory SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit With high quality best price

Best China manufacturer & factory SWL screw jack for lift system power transmission 180 ratio reduction gearbox shaft mount reducer bevel helical gear unit With high quality best price

T China Series 90 degree 2: 1 ratio right angle gearbox planetary reduction steering gear box power transmission drive – Supplier Manufacturer wholesaler Factory

T  China Series 90 degree 2: 1 ratio right angle gearbox planetary reduction steering gear box power transmission drive - Supplier Manufacturer wholesaler Factory

For much more details.: Cellular/Whatpp: +8613083988828

Our item selection includes all kinds of helical equipment, spur equipment, bevel gear, gear rack, worm gear, sprockets,chains, bearings, pto shaft, agricultural gearboxes. EPG is specialized in style, maker and revenue of agricultural equipment and farm implements, which has an impartial import and export rights.

Overview

Fast Details

Applicable Industries:

Constructing Content Retailers

Gearing Arrangement:

Bevel / Miter

Output Torque:

Up to 3378Nm

Input Speed:

750-1500rpm

Output Speed:

three~1450r/min

Area of Origin:Zhejiang, China
Model Title:

OEM

Certification:

ISO9001-2008

Mount Placement:

Foot Mounted

Bearing:

C&U

equipment precision grade:

din four

Offer Capacity

Source Ability:
1000 Unit/Units for each Month

Packaging & Shipping

Packaging Particulars
Standard picket scenario
Port
Ningbo Port, Shanghai Port

On the web Customization

T Sequence ninety degree two: one ratio appropriate angle gearbox planetary reduction steering gear box energy transmission generate

Merchandise Description

 -Self-locking potential
-Can be driven directly by motor or other electricity or handbook
-Can be customized in accordance user’s demand
-Compact configuration, modest measurement, lightweight
-Handy set up, adaptable operation
-High reliability and steadiness
-Lengthy provider existence
-More connection kind and so forth.
Screw jak is utilized to all fields for lifting or pulling, these kinds of as Aircraft routine maintenance system, Solar plate, equipment, metallurgy, water conservancy, health-related treatment, chemical industry, culture and hygienist etc.

Solution Name

T sequence Spiral Bevel Gearbox

design no.

T2, T4, T6, T7, T8, T10, T12, T16, T20, T25

Ratio

one:1, 1.5:one, 2:1, two.five:one,3:one,4:1,five:1

gear Material 

large grade synthetic diamond 50CrMnT

Gear Processing

Grinding finish by HOFLER Grinding Equipment, Precision quality : DIN 4

spindle

higher purity metal alloy 40Cr piece

Sounds Take a look at

Bellow 65dB

Warranty

one 12 months

Firm Details

 

Certifications

 

Our Solutions

 

Expo& Customers

 

Packaging & Shipping

 

FAQ

: Are you trading company or producer ?

A: We are manufacturing facility.

Q: How extended is your shipping and delivery time?

A: Usually it is 5-10 days if the products are in inventory. or it is 15-20 days if the merchandise are not in inventory, it is according to amount.

Q: Do you supply samples ? is it free or additional ?

A: Sure, we could offer the sample for free of charge cost but do not spend the value of freight.

Q: What is your terms of payment ?

A: Payment=1000USD, 30% T/T in progress ,equilibrium before shippment.
If you have another concern, pls really feel cost-free to contact us as beneath:

EPG – 1 of the most significant transmission manufacturing facility in China, primary goods: worm geared motors, agricultrual gearbox, planetary equipment generate, helical,screw, beve gears and spare parts and agricultural areas manunfacuter in ChinaFor a lot more information.: Cellular/Whatpp: +8613083988828

T  China Series 90 degree 2: 1 ratio right angle gearbox planetary reduction steering gear box power transmission drive - Supplier Manufacturer wholesaler Factory

China High Quality Price Ratio motor with gear motor shaft gearbox gear motor

China  High Quality Price Ratio motor with gear motor shaft gearbox gear motor

Because of to our sincerity in giving ideal support to our clientele, comprehending of your requirements and overriding sense of duty toward filling ordering needs,a specialized supplier of a entire range of chains, sprockets, gears, equipment racks, V-belts, couplings and reducers, pto shaft, agricultural gearboxes….

Overview

Swift Information

Relevant Industries:

Creating Material Retailers, Manufacturing Plant, Equipment Mend Shops

Gearing Arrangement:

Helical

Output Torque:

Max. 50000N.m

Enter Pace:

1440rpm

Output Pace:

8-300rpm

Area of Origin:Zhejiang, China
Brand Identify:

OEM

Product Name:

China motor with gear motor shaft gearbox gear motor

Mounting Situation:

As Needed

Warranty:

twelve Months

Certification:

CE ISO9001

Supply Capacity

Supply Capacity:
200000 Piece/Parts per Year

Packaging & Shipping

Packaging Specifics
Common export packing and wooden pallet packing
Port
SHANGHAI or NINGBO Port

On-line Customization

Merchandise Description

China motor with gear motor shaft gearbox gear motor

Various Mounting Postion of China motor with equipment motor shaft gearbox equipment motor

Exceptional Attributes of China motor with gear motor shaft gearbox gear motor

one. Inline Helical Gearbox is characterised by compact structure, light-weight fat, large torque and exceptional efficiency.

2. It is created of rib-strengthened rigid case and premium alloy-steel gear which is hardened by carbon penetration and grinded specifically. Steady in working, minimal noise, large in load, lower in intake, successful in transmission, minimal in temperature increase, and extended in provider life.

three. The mounting designs are footing, flange, torque arm and so on. The output fashion are shaft, hollow shaft, the alpine and shrink disc are for choice.

Packing & Shipping and delivery

Packing Photos of China motor with equipment motor shaft gearbox equipment motor

Interior Packing: PP bag with carton
Outer Packing: Wooden case
Shipment: 14-20 times on acquiring the deposit.

About Us

At any time_power Team is the 1st and biggest worm gearbox producer in China, established in 1976, specialising in the generation of a wide assortment of transmission machinery. With far more than forty a long time experience in the market, our property now overall 117.2 million dollars, and we have 2 subsidiary firms, eight keeping organizations, and 12 joint-stock organizations.

We can create 400,000 units of worm gearboxes, one hundred,000 models of gear reducers, fifty,000 models of other pace reducers, a hundred and fifty,000 units of flexible couplings, and one hundred,000 units of pace-reducer components every 12 months.

70% of our items have been exported to 40 more countries, and our clients occur from Italy, Germany, Usa, Canada, Spain, United kingdom, India, Mexico, Brazil, Argentina, Turkey, Singapore and other primary industrial international locations. 30% of them are OEM created for direct manufacturers of other products.

FAQ

Q1. Is your top quality good?
A1: Quality never tell lies, we’re the premier company and exporter of worm gear reducer in Asia, the very first reducers and gearboxes maker in China, who has been offered license given that 1993. Also, we had accomplished ISO9001 and CE Certification amongst all companies.

Q2. How is your value? Can you supply any price cut?
A2: We will give the greatest cost we can foundation on your wants and the quantities.

Q3. Do you offer any going to?
A3: Of course! We sincerely invite you to check out us! We can pick you from airport, railway station and so on. Also, we can set up housing for you. Please permit us know in superior.

Q4. When is the very best time to speak to you?
A4: You can get in touch with us by email any time, we will reply you ASAP. If you want speak to by telephone, our functioning hour is Mon-Sat 9am-17:30pm.

Contact

At any time_energy Group
Tackle: No.789-B8Shenhua Street, XiHu Dsitriction Enco&Tech Advancement Zone HangZhou Town, ZJ, P.R.
Tel: 0086-571-88220971/Mob: +86 13083988828
WhatsApp/Skype: +86 13083988828

Web site: www.hzpt.com

WPA High Qualtiy WPS WPX WPO 40 50 60 70 80 100 Ratio worm gear speed reducer

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