Tag Archives: variator gearbox

China UDL series planetary gear speed increaser worm gearbox speed variator with motor variator transmission worm gearbox efficiency

Relevant Industries: Lodges, Machinery Restore Outlets, Foods & Beverage Manufacturing unit, Property Use, Development works , Marketing Firm
Bodyweight (KG): 3.5 KG
Personalized support: OEM, ODM
Gearing Arrangement: Planetary
Output Torque: 1.5—118 N.M
Enter Velocity: 1400rpm
Output Speed: 1000—200rpm
Entire body material: Aluminium alloy & solid iron
Mounted: Vertical and horizontal
Motor coupling: Shaft or flange
Oil seals: SKF,TTO,NAK
Guarantee: One year, Factory Direct Product sales Motorcycle Areas Racing Motorbike Sprocket and Chain Sets for Benelli BJ250 (43T 13T 520H X-Ring) matter to suitable operation & set up
Packaging Details: 1 pc / carton,several cartons / wood pallet
Port: ZheJiang ,HangZhou

UDL SERISES STEPLESSSPEED VARIATOR Substantialoutput torque Products Description We make velocity reducers in stringent accordance with ISO9001 standard to provide our buyers with high quality gearboxes at aggressive costs. Our gearboxes are geared up with components from worldwide well-known brands, this kind of as oil seal from CZPT model,lubricant from Shell brand, and bearing from CZPT brand. The housing and gear are created in our company under stringent high quality management. All our items are accessible in big shares, and we can also provide you with customized reducer remedies, pleasefeel self-confident to get in touch with us.

Modlein2[r/min]m2[Nm]
UDL0.37-CB35200~forty15~30
UDL0.75-CB35200~forty30~sixty
UD1.5-CB35200~4060~one hundred twenty
HangZhou Sihai Equipment Co., Ltd.Historical past: More than twenty years of encounter in the manufacture of reducer products.Scale: Protect functioning location of 13300 sq.. meters, UDL005 high precise speed adjustment ac motor gearbox pace variator have more than 113 personnel.Technological innovation: A team of specialist . complex engineers and a sturdy R&D group.Administration: Scientific ERP management and strict quality manage system.Equipment: 50 CNC lathes,6 machining. centers, 6 gear grinding equipment, 2 higher-speed.difficult hobbing equipment, twelve equipment hobbingmachines. ten CNC cylindrical grinding equipment,4 CNC inner grinding equipment 1spectrometer, substantial-pace gear shaping 1 device,2 equipment measuring centers 1 coordinate measuring instrument.lnnovation: Continually diversify items selection to satisfy customers’ 415H-112Links bike chain with sprocket 48T12T for TVS 50 XL motorcycle Motorized Bicycle bike electric powered bicycle chain demands.Production capacity: 1000 pcs/working day.Extended-phrase provider of entire world-course companies: t he primary marketplaces are in Southea st Asia, Europe, Middle East.Advertising and marketing model: All export organization. FAQ Q1:How to select a pace reducer which meets our need?A1:Explain to me the motor data , or give the motor connected parameter drawings, or just take some obvious pictures of the motor and associated equipment to me. I’m appreciated if you can explain to me what sort of reducer you utilised originally.Q2:When is the greatest time to get in touch with you?Whenever, I will reply you as soon as attainable.Q3:What is the good quality of your items?A3:Quality is constantly the foundation of our firm.I suggest you get a sample to consider the top quality.HangZhou Sihai Machinery Co.,Ltd.Engaged in study and development, Most recent successful gearbox worm transfer scenario fourteen~280 rpm style and manufacturing of reducer for far more than twenty years.This fall. Do you supply any checking out?A4: Indeed! Welcome!Notify me in progress.Q5. How extended will it just take for the direct time?A5: At the time we agreed Semi-Computerized PET Bottle Blowing Equipment Bottle Creating Machine Bottle Moulding MachinePET Bottle Creating Machine is ideal for creating PET plastic containers and bottles in all styles.

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 UDL series planetary gear speed increaser worm gearbox speed variator with motor variator transmission     worm gearbox efficiencyChina UDL series planetary gear speed increaser worm gearbox speed variator with motor variator transmission     worm gearbox efficiency
editor by czh 2023-02-19

China Nmrv030 0.55kw Worm Gearbox with Speed Variator worm gearbox back drive

Item Description

Stepless velocity Variator
 
Substantial modularity
– Matched with a massive range of gearboxes, they are suited to modular assembling of flanges, feet and torque arms.

Large flexibility
– 11 dimensions, more than 200 versions, with wide variety of different mounting positions.

Higher performances
– Power from .eighteen kW to 7.5 kW.
– Max torque 3000 Nm.
– Up to 6000 Nm when mixed with bevel helical gearboxes. 
– With the differential system, output pace can be brought to “zero” speed, when the motor is operating.

Large trustworthiness
– Strengthened box for heavy duty applications.
– Planets and races are created in special metal 100Cr6 and are in oil bathtub, that guarantee the very best situations of transmission of the motion by friction.

The layout of UDL series stepless velocity variator compromises the advanced technological innovation both at residence and abroad. The items contain the pursuing primary attributes:
     1. Large speed-regulating precision: up to .5-1 rotation.
     2. Massive pace -modifying assortment: The pace ratio ranges from 1:1.4 to 1:7 freely.
     3. High in toughness and prolonged in services existence.
     4. Convenient to control the pace.
     5. Constant in operating, front-to-back again in working path, easy in driving, stable in performance and low in sounds.
     6. Total in sealing and appropriate for any surroundings.
     7. Compact in structure and small in volume.
     8. Produced of higher-high quality aluminum alloy die solid into forming, great-searching in look, light-weight in weight and it by no means receives rusty.
     9. Good in adaptation: UDL collection stepless speed variators can be merged with all sorts of velocity reducers, as to achieve minimal stepless velocity changing.

 

 

FAQ
one, Q:what is your MOQ for udl pace contorller   ?
A: 1pc is alright for each type electrical gear box  motor 

2, Q: What about your warranty for your stepless governor ?

A: 1 calendar year ,but apart from male-produced ruined

three, Q: which payment way you can acknowledge ?
A: TT, western union .

4, Q: how about your payment way ?
A: a hundred%payment in superior considerably less $5000 ,30% payment in superior payment , 70% payment ahead of sending more than $5000.

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

six, Q: What info need to be offered, if I acquire electrical helical geared motor  from you ?
A: rated power,  ratio or output pace,kind ,voltage , mounting way , quantity , if far more is much better , 

US $50-5,000
/ Piece
|
5 Pieces

(Min. Order)

###

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

###

Customization:
US $50-5,000
/ Piece
|
5 Pieces

(Min. Order)

###

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

###

Customization:

Worm gear reducer

A worm gear reducer is a gear reducer that uses a worm gear train to reduce the required force. Unlike traditional gear reducers, these units are small and require low horsepower ratings. This reduces their efficiency, but their low cost and compact design help make up for this shortcoming. However, these gear reducers have some drawbacks, including their tendency to lock up when reversing.
worm_reducer

high efficiency

High-efficiency worm reducers are ideal for applications where high performance, repeatability, and accuracy are critical. It consists of an input hypoid gear and an output hypoid bevel gear. The input worm rotates perpendicular to the output worm, so for every revolution of the input worm, the output gear makes one revolution. This arrangement reduces friction (another source of energy loss) in a high-efficiency worm gear to at least two arc minutes.
Compared with worm gear reducers, hypoid gearmotors offer several advantages, including lower operating costs and higher efficiency. For example, hypoid gear motors can transmit more torque even at high reduction ratios. Also, they are more efficient than worm gear reducers, which means they can produce the same output with a smaller motor.
In recent years, the efficiency of worm gear reducers has been dramatically improved. Manufacturers have made great strides in materials, design, and manufacturing. New designs, including dual-enveloping worm gear reducers, increase efficiency by 3 to 8 percent. These improvements were made possible through countless hours of testing and development. Worm gear reducers also offer lower initial costs and higher overload capability than competing systems.
Worm gear reducers are popular because they provide maximum reduction in a small package. Their compact size makes them ideal for low to medium-horsepower applications and they are reticent. They also offer higher torque output and better shock load tolerance. Finally, they are an economical option to reduce the device’s power requirements.

low noise

Low-noise worm gear reducers are designed to reduce noise in industrial applications. This type of reducer uses fewer bearings and can work in various mounting positions. Typically, a worm reducer is a single-stage unit with only one shaft and one gear. Since there is only one gear, the noise level of the worm gear reducer will be lower than other types.
A worm gear reducer can be integrated into the electric power steering system to reduce noise. Worm reducers can be made and from many different materials. The following three-stage process will explain the components of a low-noise worm reducer.
Worm gear reducers can be mounted at a 90-degree angle to the input worm shaft and are available with various types of hollow or solid output shafts. These reducers are especially beneficial for applications where noise reduction is essential. They also have fewer parts and are smaller than other types of reducers, making them easier to install.
Worm gear reducers are available from various manufacturers. Due to their widespread availability, gear manufacturers maintain extensive inventories of these reducers. The worm gear ratio is standard, and the size of the worm gear reducer is universal. Also, worm gear reducers do not need to be sized for a specific purpose, unlike other load interruptions.
worm_reducer

pocket

A worm gear reducer is a transmission mechanism with a compact structure, large transmission ratio, and self-locking function under certain conditions. The worm gear reducer series products are designed with American technology and have the characteristics of stable transmission, strong bearing capacity, low noise, and compact structure. In addition, these products can provide a wide range of power supplies. However, these worm reducers are prone to leaks, usually caused by design flaws.
Worm gear reducers are available in single-stage and double-stage. The first type consists of an oil tank that houses the worm gear and bearings. The second type uses a worm gear with a sleeve for the first worm gear.
When choosing a gear reducer, it is essential to choose a high-quality unit. Improper gear selection can cause rapid wear of the worm gear. While worm gear reducers are generally durable, their degree of wear depends on the selection and operating conditions. For example, overuse, improper assembly, or working in extreme conditions can lead to rapid wear.
Worm reducers reduce speed and torque. Worm gears can be used to reduce the speed of rotating machines or inertial systems. Worm gears are a type of bevel gear, and their meshing surfaces have great sliding force. Because of this, worm gears can carry more weight than spur gears. They are also harder to manufacture. However, the high-quality design of the worm gear makes it an excellent choice for applications requiring high torque and high-speed rotation.
Worm gears can be manufactured using three types of gears. For large reduction ratios, the input and output gears are irreversible. However, the worm reducer can be constructed with multiple helices. The multi-start worm drive also minimizes braking effects.

Self-locking function

The worm reducer is self-locking to prevent the load from being driven back to the ground. The self-locking function is achieved by a worm that meshes with the rack and pinion. When the load reaches the highest position, the reverse signal is disabled. The non-locking subsystem back-drives the load to its original position, while the self-locking subsystem remains in its uppermost position.
The self-locking function of the worm reducer is a valuable mechanical feature. It helps prevent backing and saves the cost of the braking system. Additionally, self-locking worm gears can be used to lift and hold loads.
The self-locking worm gear reducer prevents the drive shaft from driving backward. It works with the axial force of the worm gear. A worm reducer with a self-locking function is a very efficient machine tool.
Worm gear reducers can be made with two or four teeth. Single-ended worms have a single-tooth design, while double-ended worms have two threads on the cylindrical gear. A multi-boot worm can have up to four boots. Worm reducers can use a variety of gear ratios, but the main advantage is their compact design. It has a larger load capacity than a cross-shaft helical gear mechanism.
The self-locking function of the worm reducer can also be used for gear sets that are not necessarily parallel to the shaft. It also prevents backward travel and allows forward travel. The self-locking function is achieved by a ratchet cam arranged around the gear member. It also enables selective coupling and decoupling between gear members.
worm_reducer

high gear ratio

Worm reducers are an easy and inexpensive way to increase gear ratios. These units consist of two worm gears – an input worm gear and an output worm gear. The input worm rotates perpendicular to the output worm gear, which also rotates perpendicular to itself. For example, a 5:1 worm gearbox requires 5 revolutions per worm gear, while a 60:1 worm gearbox requires 60 revolutions. However, this arrangement is prone to inefficiency since the worm gear experiences only sliding friction, not rolling friction.
High-reduction applications require many input revolutions to rotate the output gear. Conversely, low input speed applications suffer from the same friction issues, albeit with a different amount of friction. Worms that spin at low speeds require more energy to maintain their movement. Worm reducers can be used in many types of systems, but only some are suitable for high-speed applications.
Worm gears are challenging to produce, but the envelope design is the best choice for applications requiring high precision, high efficiency, and minimal backlash. Envelope design involves modifying gear teeth and worm threads to improve surface contact. However, this type of worm gear is more expensive to manufacture.
Worm gear motors have lower initial meshing ratios than hypoid gear motors, which allows the use of smaller motors. So a 1 hp worm motor can achieve the same output as a 1/2 hp motor. A study by Nissei compared two different types of geared motors, comparing their power, torque, and gear ratio. The results show that the 1/2 HP hypoid gear motor is more efficient than the worm gear motor despite the same output.
Another advantage of the worm gear reducer is the low initial cost and high efficiency. It offers high ratios and high torque in a small package, making it ideal for low to medium-horsepower applications. Worm gear reducers are also more shock-resistant.
China Nmrv030 0.55kw Worm Gearbox with Speed Variator     worm gearbox back driveChina Nmrv030 0.55kw Worm Gearbox with Speed Variator     worm gearbox back drive
editor by czh 2022-11-29

in Rustenburg South Africa sales price shop near me near me shop factory supplier MB Series Infinite Speed Variator Combined Gearbox manufacturer best Cost Custom Cheap wholesaler

  in Rustenburg South Africa  sales   price   shop   near me   near me shop   factory   supplier MB Series Infinite Speed Variator Combined Gearbox manufacturer   best   Cost   Custom   Cheap   wholesaler

At any time-Power Group CO., LTD. IS Expert IN Creating ALL Types OF MECHANICAL TRANSMISSION AND HYDRAULIC TRANSMISSION LIKE: PLANETARY GEARBOXES, WORM REDUCERS, IN-LINE HELICAL Gear Pace REDUCERS, PARALLEL SHAFT HELICAL Equipment REDUCERS, HELICAL BEVEL REDUCERS, HELICAL WORM Gear REDUCERS, AGRICULTURAL GEARBOXES, TRACTOR GEARBOXES, Automobile GEARBOXES, PTO Push SHAFTS, Special REDUCER & Associated Equipment Factors AND OTHER Related Goods, SPROCKETS, HYDRAULIC System, VACCUM PUMPS, FLUID COUPLING, Equipment RACKS, CHAINS, TIMING PULLEYS, UDL Pace VARIATORS, V PULLEYS, HYDRAULIC CYLINDER, Gear PUMPS, SCREW AIR COMPRESSORS, SHAFT COLLARS Minimal BACKLASH WORM REDUCERS AND SO ON. The group has taken portion in the generating and revising of ISO/TC100 international chain normal numerous years in accomplishment and hosted the sixteenth ISO/TC100 International annual meeting in 2004. EPG has established up a total established of quality management technique which is supplied with superior inspection and examination gear.

Stepless pace Variator

Higher modularity
– Matched with a large assortment of EPTes, they are ideal to modular assembling of flanges, feet and torque arms.

High versaEPTty
– 11 dimensions, much more than two hundred variations, with vast selection of various mounting positions.

High performances
– EPT from .18 kW to 7.5 kW.
– Max torque 3000 Nm.
– Up to 6000 Nm when merged with EPTl helical EPTes.
– With the differential gadget, output speed can be brougEPT to quotzero quot pace, when the motor is working.

Higher trustworthiness
– Strengthened box for hefty obligation apps.
– Planets and races are manufactured in EPT metal 100Cr6 and are in oil bath, that promise the ideal circumstances of EPT of the motion by friction.

The design and style of UDL collection stepless velocity variator compromises the EPT EPT the two at home and abroad. The items incEPT the adhering to principal characteristics:
1. Substantial velocity-regulating precision: up to .5-1 rotation.
2. Large velocity -shifting variety: The velocity ratio ranges from 1:1.4 to 1:7 freely.
3. Substantial in power and EPT in services daily life.
4. Practical to regulate the speed.
5. Steady in working, entrance-to-back in working direction, sleek in driving, steady in functionality and reduced in sounds.
6. Complete in sealing and appropriate for any surroundings.
7. Compact in construction and small in volume.
8. Produced of substantial-top quality EPT alloy die cast into forming, good-searching in look, ligEPT in weigEPT and it never gets rusty.
9. Very good in adaptation: UDL sequence stepless velocity variators can be combined with all kinds of pace EPTs, as to obtain reduced stepless pace changing.

FAQ
1, Q:what’s your MOQ for udl pace contorller ?
A: 1pc is alright for each type electric powered EPT box motor

2, Q: What about your guarantee for your stepless governor ?

A: one year ,but except guy-made wrecked

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

four, Q: how about your payment way ?
A: one hundred%payment EPTd significantly less $5000 ,thirty% payment EPTd payment , 70% payment just before sending over $5000.

five, Q: how about your EPT of pace reduction motor ?
A: plywood situation ,if measurement is small ,we will pack with pallet for significantly less a single container

six, Q: What information need to be presented, if I acquire electrical helical EPTed motor from you ?
A: rated EPT, ratio or output velocity,sort ,voltage , mounting way , quantity , if much more is far better ,

  in Rustenburg South Africa  sales   price   shop   near me   near me shop   factory   supplier MB Series Infinite Speed Variator Combined Gearbox manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Rustenburg South Africa  sales   price   shop   near me   near me shop   factory   supplier MB Series Infinite Speed Variator Combined Gearbox manufacturer   best   Cost   Custom   Cheap   wholesaler