Tag Archives: rpm reducer

China high quality 1400 Rpm Mixer Gearbox with Motor Cycloidal Speed Reducer differential gearbox

Product Description

1400 Rpm Mixer Gearbox with Motor Cycloidal Speed Reducer

< ABOUT TILI

 

Technical data

 

Product Name 1400 Rpm Mixer Gearbox with Motor Cycloidal Speed Reducer
Power 0.18KW~90KW    
Torque 120Nm~30000Nm
Running direction Forward and reverse
Gear material Cast iron
Noise test Below 65dB
Brand of bearings C&U bearing, ZWZ, LYC, HRB, CHINAMFG , etc
Brand of oil seal NAK or other brand
Temp. rise (MAX) 40ºC  
Temp. rise (Oil)(MAX 50ºC  
Vibration ≤20µm
Housing hardness HBS190-240
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Heat treatment Carburizing, Quenching etc
Efficiency 90% (depends on the transmission stage)
Installation type  Foot plate horizontal installation,  flange type vertical installation;
Input method Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor

 

Installation Instructions

 

Company Profile

< WORKSHOP

< QUALITY CONTROL

 

Certifications

Packaging & Shipping

FAQ

 

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

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

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

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

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

Q 6:How to choose a gearbox? What if I don’t know which gear reducer I need?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide,the technical information of required output torque, output speed and motor parameter etc. Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.

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

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

 

 

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

Application: Motor, Machinery, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Cycloidal
Customization:
Available

|

Customized Request

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

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



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

cycloidal gearbox

Materials Used in Manufacturing Cycloidal Gearboxes

Cycloidal gearboxes are constructed using a variety of materials to ensure durability, strength, and efficient operation. Some common materials used include:

  • Steel: Steel is a popular choice due to its high strength and durability. It can withstand heavy loads and provides excellent wear resistance, making it suitable for industrial applications.
  • Aluminum: Aluminum is chosen for its lightweight properties and corrosion resistance. It’s often used in applications where weight is a concern, such as aerospace and robotics.
  • Cast Iron: Cast iron offers good heat dissipation and is known for its high resistance to wear and shock. It’s commonly used in heavy-duty applications that require high torque and strength.
  • Alloys: Various alloy combinations can be used to enhance specific properties such as corrosion resistance, heat resistance, and strength.
  • Plastics and Composites: In some cases, plastic or composite materials may be used, particularly in applications where low noise, lightweight construction, and corrosion resistance are essential.

The material selection depends on factors like the application’s torque, speed, environmental conditions, and desired performance characteristics. Each material offers a unique set of advantages, allowing cycloidal gearboxes to be customized to meet diverse industrial needs.

cycloidal gearbox

Noise and Vibration Considerations in Cycloidal Gearboxes

Cycloidal gearboxes are generally known for their smooth and quiet operation. However, like any mechanical system, they can still exhibit some level of noise and vibration. Here are the key factors to consider:

  • Gear Design: The unique rolling contact design of cycloidal gears contributes to their relatively low noise levels. The teeth engagement is gradual and continuous, reducing impact forces and noise.
  • Lubrication: Proper lubrication is essential to minimize friction and noise. Using high-quality lubricants and maintaining proper lubrication levels can help reduce noise and vibration in cycloidal gearboxes.
  • Precision Manufacturing: Precise manufacturing processes and tight tolerances can help minimize irregularities in gear meshing, which can contribute to noise and vibration.
  • Load Distribution: Proper load distribution among multiple lobes in the cycloidal mechanism can help prevent localized stress concentrations that could lead to vibrations and noise.
  • Bearing Quality: High-quality bearings can contribute to smooth operation and reduce vibrations that could be transmitted to the gearbox housing.
  • Mounting and Installation: Proper mounting and alignment of the gearbox are important to ensure that it operates smoothly and without excessive vibrations.

While cycloidal gearboxes are designed to minimize noise and vibration, it’s important to consider the specific application, environmental conditions, and operating parameters. Regular maintenance, proper lubrication, and selecting the appropriate gearbox size and type can all contribute to reducing noise and vibration levels in cycloidal gearboxes.

cycloidal gearbox

Principle of Cycloidal Gearing

Cycloidal gearing is a mechanism that utilizes the unique shape of cycloidal discs to achieve motion transmission. The principle involves the interaction between two main components: the input disc and the output disc.

The input disc has lobes with pins, while the output disc has lobes with matching holes. The lobes on both discs are not perfectly circular but are shaped in a cycloidal profile. As the input disc rotates, the pins on its lobes engage with the holes in the output disc’s lobes.

As the input disc rotates, the pins move along the cycloidal paths, causing the output disc to rotate. The interaction between the pins and the holes results in smooth and continuous motion transfer. The unique shape of the cycloidal profile ensures that there is always at least one point of contact between the pins and the holes, allowing for efficient torque transmission and reduced wear.

Cycloidal gearing provides advantages such as high torque capacity, compact size, and precision motion. However, due to the complex shape of the components and the continuous engagement, manufacturing and assembly of cycloidal gearboxes can be intricate.

China high quality 1400 Rpm Mixer Gearbox with Motor Cycloidal Speed Reducer   differential gearbox	China high quality 1400 Rpm Mixer Gearbox with Motor Cycloidal Speed Reducer   differential gearbox
editor by CX 2024-05-07

China Custom 12v micro PM DC Brushless planetary gear motor High torque and low rpm dc Motor with 36mm Planetary Reducer 24v pg36-3650 with Hot selling

Warranty: 3 months
Model Number: PG36-3650
Usage: BOAT, Car, Electric Bicycle, FAN, Home Appliance, boat
Type: GEAR MOTOR
Torque: 50kg.cm
Construction: Permanent Magnet
Commutation: Brush
Protect Feature: Totally Enclosed
Speed(RPM): 80Rpm
Continuous Current(A): 1.32A
Efficiency: IE 2
Product Name: Small planetary gear motor with Motor
Keywords: Dc Electric Motor
factory property: professional manufacturer
Motor type: PMDC Brushed Motor
Rated Voltage: 24VDC 12V
Warranty period: One year
product catalogo: home improvement
Product character: 36mm brushless dc motor
typical application: curtain tape motor
Certification: CE/CCC/ROHS
Packaging Details: bubble+ carton

1.Standard Operating Conditions:1-1 Rated Voltage:24V DC constant between motor terminals1-2 Direction of Rotation:CW when viewed from output shaft side1-3 Operating Temperature and HumidityTemperature range of -10℃~+50℃, Humidity range of 30%~80% temperature range of -10℃~+50℃1-4 Storage TemperatureTemperature range of -20℃~+60℃2.Measuring Conditions:2-1 Motor Position:To be place t horizontally when measuring2-2 Power Supply:Regulated DC power supply2-3 Environmental Temperature and Humidity:Temperature range of 15℃ to 30℃Relative humidity 30%and 70%2-4Power SopplyRegulated DC power supply –No load speed:1600rpm. 1200rpm 430RPM 230RPM 130RPM 120RPM 85RPM 60RPM 45RPM 32RPM 23RPM 16RPM 12RPM 8RPM 2-5 Application:–Robotics, Small Appliance, Fanner, Electric Curtain;–Medical Pump, Surgery Tools, Medical Stirrer, Customized CZPT Japan Car Front Drive Shaft Axle Shaft centrifugal Machine; Electric Valve, Actuator, medical device–Electric motor,low noise,low current and no spark.–Robotics, Small Appliance, Fanner, Electric Curtain;–Medical Pump, Surgery Tools, Medical Stirrer, centrifugal Valve, 50 Ton Screw Jack, JTW-50T screw lift jacks Actuator, medical device2-6 Character:–Electric motor,low noise,low current and no spark. –High quantity ,small body–Gear Ratio : 3.7 5.18 14 27 50 71 100 139 189 263 369 516 721 — 3650 brushless DC motor : 24v 6000R 12V 6000R 24v8000R Product Character :. Micro dc Motor With Planetary Metal Reducer product Character:planetary gear reducer Metal gear team wear-resisting low noise gear material can be customized Motor shaft shaft dia:6mm, which can be customized brushless motor inner driver FG Singal feedback hall sensor 6PPR Driver volt :0-5v Product Drawing Product Paramenters above information for your reference . if you need other speed , please tame message for us , within 8 hours reply to you . Our advantage 1.Company Advantage:A. Our company is a large-scale professional manufacturer deeply trusted by domestic and overseas customers, integrating development, production, wholesales and service.B. To ensure high-quality and best service ,kingly built up professional teams engaged in research,product engineering and sales.C. We have 10 years experience in the design of the research and development, 2019 New 1200CC Diesel UTV 4X4 Drivinng With strong technology developing ability and manufacturing capability, advanced equipment2. Product Advantage:A. Variety of products,quality guaranteed, products are widely usedB. Advanced product testing equipmentC. Product flexibility, customize according to the requirements of the clients any special develop all kinds of molds, Independent research and development since the open mold productsD. Products through a variety of certification(CE,RoHs,ISO,CCC,UL….)E. Some products have patent certificate3. Main product advantage:A . Specifications can be tailoer-made according to customer’s requirements.B. Can provide free samplesC. Product quality is guaranteed, a short period of delivery Cooperation Partner Certifications Packing & for honda car suspension system parts Shock absorber pulley tensioner control arm Mountings bush ball joint Tie Rod End Delivery Company Profile Contact us

The Parts of a Gearbox

There are many parts of a Gearbox, and this article will help you understand its functions and components. Learn about its maintenance and proper care, and you’ll be on your way to repairing your car. The complexity of a Gearbox also makes it easy to make mistakes. Learn about its functions and components so that you’ll be able to make the best choices possible. Read on to learn more. Then, get your car ready for winter!
gearbox

Components

Gearboxes are fully integrated mechanical components that consist of a series of gears. They also contain shafts, bearings, and a flange to mount a motor. The terms gearhead and gearbox are not often used interchangeably in the motion industry, but they are often synonymous. Gearheads are open gearing assemblies that are installed in a machine frame. Some newer designs, such as battery-powered mobile units, require tighter integration.
The power losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a function of the coefficient of friction and speed. The no-load losses are the most serious, since they represent the largest proportion of the total loss. This is because they increase with speed.
Temperature measurement is another important preventive maintenance practice. The heat generated by the gearbox can damage components. High-temperature oil degrades quickly at high temperatures, which is why the sump oil temperature should be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. However, if the sump oil temperature is more than 200degF, it can cause seal damage, gear and bearing wear, and premature failure of the gearbox.
Regardless of its size, the gearbox is a crucial part of a car’s drivetrain. Whether the car is a sports car, a luxury car, or a farm tractor, the gearbox is an essential component of the vehicle. There are two main types of gearbox: standard and precision. Each has its own advantages and disadvantages. The most important consideration when selecting a gearbox is the torque output.
The main shaft and the clutch shaft are the two major components of a gearbox. The main shaft runs at engine speed and the countershaft may be at a lower speed. In addition to the main shaft, the clutch shaft has a bearing. The gear ratio determines the amount of torque that can be transferred between the countershaft and the main shaft. The drive shaft also has another name: the propeller shaft.
The gears, shafts, and hub/shaft connection are designed according to endurance design standards. Depending on the application, each component must be able to withstand the normal stresses that the system will experience. Oftentimes, the minimum speed range is ten to twenty m/s. However, this range can differ between different transmissions. Generally, the gears and shafts in a gearbox should have an endurance limit that is less than that limit.
The bearings in a gearbox are considered wear parts. While they should be replaced when they wear down, they can be kept in service much longer than their intended L10 life. Using predictive maintenance, manufacturers can determine when to replace the bearing before it damages the gears and other components. For a gearbox to function properly, it must have all the components listed above. And the clutch, which enables the transmission of torque, is considered the most important component.
gearbox

Functions

A gearbox is a fully integrated mechanical component that consists of mating gears. It is enclosed in a housing that houses the shafts, bearings, and flange for motor mounting. The purpose of a gearbox is to increase torque and change the speed of an engine by connecting the two rotating shafts together. A gearbox is generally made up of multiple gears that are linked together using couplings, belts, chains, or hollow shaft connections. When power and torque are held constant, speed and torque are inversely proportional. The speed of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the number of steps a motor can take to convert torque into horsepower. The amount of torque required at the wheels depends on the operating conditions. A vehicle needs more torque than its peak torque when it is moving from a standstill. Therefore, the first gear ratio is used to increase torque and move the vehicle forward. To move up a gradient, more torque is required. To maintain momentum, the intermediate gear ratio is used.
As metal-to-metal contact is a common cause of gearbox failure, it is essential to monitor the condition of these components closely. The main focus of the proactive series of tests is abnormal wear and contamination, while the preventative tests focus on oil condition and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are used more for detecting abnormal additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.
gearbox

Maintenance

Daily maintenance is a critical aspect of the life cycle of a gearbox. During maintenance, you must inspect all gearbox connection parts. Any loose or damaged connection part should be tightened immediately. Oil can be tested using an infrared thermometer and particle counters, spectrometric analysis, or ferrography. You should check for excessive wear and tear, cracks, and oil leaks. If any of these components fail, you should replace them as soon as possible.
Proper analysis of failure patterns is a necessary part of any preventative maintenance program. This analysis will help identify the root cause of gearbox failures, as well as plan for future preventative maintenance. By properly planning preventative maintenance, you can avoid the expense and inconvenience of repairing or replacing a gearbox prematurely. You can even outsource gearbox maintenance to a company whose experts are knowledgeable in this field. The results of the analysis will help you create a more effective preventative maintenance program.
It is important to check the condition of the gearbox oil periodically. The oil should be changed according to its temperature and the hours of operation. The temperature is a significant determinant of the frequency of oil changes. Higher temperatures require more frequent changes, and the level of protection from moisture and water reduces by 75%. At elevated temperatures, the oil’s molecular structure breaks down more quickly, inhibiting the formation of a protective film.
Fortunately, the gear industry has developed innovative technologies and services that can help plant operators reduce their downtime and ensure optimal performance from their industrial gears. Here are 10 steps to ensure that your gearbox continues to serve its purpose. When you are preparing for maintenance, always keep in mind the following tips:
Regular vibration analysis is a vital part of gearbox maintenance. Increased vibration signals impending problems. Visually inspect the internal gears for signs of spiraling and pitting. You can use engineers’ blue to check the contact pattern of gear teeth. If there is a misalignment, bearings or housings are worn and need replacement. Also make sure the breathers remain clean. In dirty applications, this is more difficult to do.
Proper lubrication is another key factor in the life of gearboxes. Proper lubrication prevents failure. The oil must be free of foreign materials and have the proper amount of flow. Proper lubricant selection depends on the type of gear, reduction ratio, and input power. In addition to oil level, the lubricant must be regulated for the size and shape of gears. If not, the lubricant should be changed.
Lack of proper lubrication reduces the strength of other gears. Improper maintenance reduces the life of the transmission. Whether the transmission is overloaded or undersized, excessive vibration can damage the gear. If it is not properly lubricated, it can be damaged beyond repair. Then, the need for replacement gears may arise. However, it is not a time to waste a lot of money and time on repairs.

China Custom 12v micro PM DC Brushless planetary gear motor High torque and low rpm dc Motor with 36mm Planetary Reducer 24v pg36-3650  with Hot sellingChina Custom 12v micro PM DC Brushless planetary gear motor High torque and low rpm dc Motor with 36mm Planetary Reducer 24v pg36-3650  with Hot selling

in Dushanbe Tajikistan sales price shop near me near me shop factory supplier Helical Motor 1450 Rpm Gearbox Cordless Drill Gearbox Nissan Sentra Parts Gear Box Adjustable Gearbox Reducer 3 Wheel Motorcycle manufacturer best Cost Custom Cheap wholesaler

  in Dushanbe Tajikistan  sales   price   shop   near me   near me shop   factory   supplier Helical Motor 1450 Rpm Gearbox Cordless Drill Gearbox Nissan Sentra Parts Gear Box Adjustable Gearbox Reducer 3 Wheel Motorcycle manufacturer   best   Cost   Custom   Cheap   wholesaler

Our products are created by contemporary computerized equipment and equipment. With in depth requirments, we can also produce your specific created item. In the meantime, our goods are created in accordance to high good quality requirements, and complying with the international innovative normal requirements.

Product Description

K collection EPT EPT/ EPT motor EPT electrical motor with reduction EPT micro cycloidal EPT EPT EPT box

SLK collection EPT is a single type of Helical EPTl type EPT , Large-stainless forged iron situation . ,it is designed primarily based on modularization , which carry a lot of variation varieties of combinations ,mounting types ,and framework types .The depth classification of ratio can meet numerous of doing work situation .Higher EPT effectiveness ,Minimal energy consumption, excellent efficiency . The hard tooth surface EPT use the higher good quality alloy metal , the procedure of carburizing and quenching, grinding ,which give it stick to characters : Secure EPT , low sounds and temperature ,high loading ,EPT operating life. which broadly use for business products of metallurgy ,Developing EPT , Chemical , EPT , Oil, Transportation , Papermaking , SuXiHu (West Lake) Dis.Hu (West Lake) Dis. making , engineering EPTs ,and so on

Specifications:

one) Output velocity: .six~1,571r/min

two) Output torque: up to 21700N.m

3) EPT EPT: .12~200kW

four) Mounted form: foot-mounted and flange-mounted mounting

Item Name SLK Sequence Rigid Tooth helical EPTl EPT
Equipment EPT 20CrMnTi
Case EPT EPT250
Shaft EPT 20CrMnTi
Gear Processing Grinding complete by HOFLER Grinding EPTs
Shade Custom-made
Sound Test 65~70dB
Performance 94%~ninety eight% (relies upon on the EPT phase)
Lubricating oil Shell Omala synthetic oil or EPTral oil , or comparable model
Warmth treatment tempering, cementiting, quenching,and many others.
Brand name of bearings C ampU bearing, ZWZ,LYC, HRB, SKF,NSK and so on
Brand of oil seal NAK or other manufacturer
Temp. rise (MAX) forty deg
Temp. increase (Oil)(MAX) fifty deg
Vibration le20 microm

Organization info

EstabEPTd in 1985, EPT EPT EPTRY CO., LTD is a higher and new EPT EPTrprise participating in research, deveXiHu (West Lake) Dis.Hu (West Lake) Dis. and manufacture for EPT amp speed variator, one particular of the director member of EPT EPT Affiliation of EPT EPT EPTry.
It covers far more than forty,000 sq. meters, has much more than four hundred staff , twenty% of whom are technicians, equipped with much more than three hundred sets the most EPT exact numerical management equipment, incXiHu (West Lake) Dis.Hu (West Lake) Dis. German HOFLER forming EPT grinding EPT to enhance top quality.
set up more than thirty countrywide product sales branches to provide our consumers in time and extensively.
Our merchandise also exported to far more than thirty nations main in Europe, Asia The usa, and Africa, with higher status.

EPT handle

EPT ampDelivery

EPT Particulars: StXiHu (West Lake) Dis.Hu (West Lake) Dis.rd carton/Pallet/StXiHu (West Lake) Dis.Hu (West Lake) Dis.rd picket circumstance

Shipping and delivery Details : fifteen-30 functioning daEPTupon payment


Related Item

EPT Planetary EPT Robot RV EPT velocity EPT
Custom made manufactured Non-stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd EPT UDL Collection Variator
PYZ Collection Helical Tooth Shaft Mounted EPT 8000 Series Cycloidal EPT
SLT Collection Spiral EPTl EPT SLSWL Collection Worm Screw Jack
SLP Series Planetary EPT SLH/SLB Series High EPT EPT
NMRV Sequence Worm EPT BKM Series Helical-hypoid EPT
SLRC Sequence Helical EPT SLSMR Collection Shaft Mounted EPT
SLXG Series Shaft Mounted EPT X/B Collection Cycloidal EPT
SLR/SEPT/SLK/SLS Collection Helical EPT AC/DC EPT

Major item checklist: 16 collection incXiHu (West Lake) Dis.Hu (West Lake) Dis. SLR/SLS/SLK/SEPT sequence tough tooth flank EPT EPT , SLRC collection aluminium scenario helical EPT EPTs,SLHSLB collection large EPT velocity EPT, SLP series planetary pace EPT, X/B sequence cycloidal EPT, SLXG series shaft-mounted EPT box, SLSWL series worm screw jack, SLT series helical cone EPT box, completely more than 10,000 ratios, different specification make us at the head of domestic EPT industry, broadly serve the mechanical EPT field of ligEPT amp heavy industry these kinds of as: beer amp EPTrage, mining EPT, foods EPT, textile printing, rubber amp plastic content, petrochemical industry, jack-up transportation, pharmacy amp procedure hides, environmental security tools.


Certificate

FAQ

one.Payment Expression: TT, L/C

two.Shipping and delivery time: about 30 daEPTfrom EPT payment.

3.We acknowledge custom-made items as per your EPT necessity.

4.XiHu (West Lake) Dis.hu (West Lake) Dis.strains for the Assortment:Usually we can decide on one particular EPT which is suitable for you with some informations from you,this sort of as ratio/motor velocity/mounting dimension/ out torque and many others.

five.If the minimal orEPTamount is in surplus of $ten thousand, there are preferential.

Q1: What info ought to I notify you to validate the product?

A:Design/Measurement, EPT Ratio, Shaft directions amp OrEPTquantity.

Q2: What can i do if I don’t know which one EPT?

A:Dont worry, Deliver as much data as you can, our team will support you discover the rigEPT a single you are searching for.

Q3: What is your item warranty time period?

A:We provide a single 12 months warranty given that the vessel departure date remaining EPT.

Q4: Are you investing business or manufacturer ?

A: We are manufacturing facility.

Q5: How EPT is your shipping time?

A: EPTly it is 5-ten daEPTif the merchandise are in stock. or it is fifteen-twenty daEPTif the products are not in stock, it is in accordance to quantity.

Q6: Do you provide samples ? is it free or extra ?

A: Sure, we could offer you the sample for free charge but do not pay the EPT of freight.

Q7: What is your terms of payment ?

A: Payment lt=1000USD, one hundred% EPT. Payment gt=1000USD, thirty% T/T EPT ,stability ahead of shippment.

If you have yet another query, pls truly feel free of charge to contact us as underneath:

Make contact with Us

  in Dushanbe Tajikistan  sales   price   shop   near me   near me shop   factory   supplier Helical Motor 1450 Rpm Gearbox Cordless Drill Gearbox Nissan Sentra Parts Gear Box Adjustable Gearbox Reducer 3 Wheel Motorcycle manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Dushanbe Tajikistan  sales   price   shop   near me   near me shop   factory   supplier Helical Motor 1450 Rpm Gearbox Cordless Drill Gearbox Nissan Sentra Parts Gear Box Adjustable Gearbox Reducer 3 Wheel Motorcycle manufacturer   best   Cost   Custom   Cheap   wholesaler