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China Big power GDR-19 1000W geared electric bicycle motor for electric bicycle hub motor conversion kit cycle gear

Voltage: 48V
Layout: Brushless
Style: Two rounds
Design Quantity: GDR19
Rated Voltage (V): 48V
Wheel Measurement: 20–29
Drive and Freewheel: Rear6s
Area: Black
Rated Electrical power: 1000w
Open up Measurement (mm): one hundred forty
Brake sort: Disc brake/V brake
Excess weight: 5kg
Rated pace: 40km/h
Max torque(N.m): 100N.m
Packaging Details: carton with foam
Port: ZheJiang

MotorRated Voltage (V) 48V
Rated Energy (W) 1000
Wheel Size20–28
Controller systemController48V 25A typical connector Square wave controller 12 mofets
DisplayC300 Liquid crystal display screen
ThrottleThumb throttle
BatteryPas8 magnets
OthersWith charger and HL case
Other components EBIKE MOTORpower : 1000w
voltage : 48v
max speed : forty-45kmh
max torque : 100n.m
dropout : 140mm
guarantee : 2 years
Controllervoltage : 48v
max recent : 25A
mofet : 12
product : squarewave /sinewave
gentle operate : available
bluetooh : accessible
Displaymodel : LCD5 screen
Throttlemodel : 21X
E-Brakemodel : 106pdd
Pasmodel : 8 magnet pas
Lithium Batteryvoltage :48vcapacity : twelve.8ahcell : chinese / lg / samsungcycle time : 800-a thousand timeswarranty :2 many years
Lithium battery chargervoltage :48vcurrent : 2Acharge time : 3-4h Packing & Delivery
Sizefifty five(L) * 55(W) * 24 (D)
Packaging Particularscarton box with foam within to safeguard the items betterdelivery: 20 days after payment
Certifications Our Company HangZhou MXUS IMP& EXP CO., LTD. is a skilled firm with 20 years’ experience of production e-bicycle motors and areas. We offer our items all about the globe, mainly to China, European, America and south Africa. We get excellent comments from buyers simply because of high high quality products and good right after-sale services.Our products handed European CE certification, EN15194 certification, RoHs certification, CCC certification and high quality authentication of ISO9001. We has workshop of one hundred, 4C2033 Higher Precision Little Generate Mechanical Gears H137215 substitution for John Deere, CLAAS, CZPT 000 sq.m, 200 staff and thirty professional engineers. In 2015, we provided over 1 million motors and exported one hundred thousand sets of e-bicycle conversion kits. In get to better provide and develop European market place, we have create department office in Holland and Spain.As a skilled manufacture, we concentrate on the idea of ” Straightforward, stable and easy to deal with”, we developed watertight e-bike package, all-in-1 motor (motor& controller& Light-weight Responsibility TruckTractor 4F+1R Guide Transmission Gearbox with HighLow Equipment Box and Pto System battery), Bluetooth App controller system and high pace e-bicycle and so on. Our business always stand in forefront of the business.
FAQ 1. What is the MOQ and delivery time?one) For samples, 1 piece is offered for quality check and market check, supply time in 2 times, ship by air transportation door to door.2) For bulk order, twenty~one hundred pcs supply time within 20 days, 110 pcs(20’GP) supply time twenty five~30 times, 270 pcs(40’HC) delivery time 25~30 days3) Tailored symbol & Customized Created OEM Precision Metal CNC Machined Stainless Steel Transmission Worm Equipment Sets package deal only accessible for MOQ 100 pcs.4) Tailored configuration,is dependent on the shipping and delivery time of chosen kits.2. What’s your guarantee terms?Our warranty addresses manufacturing and materials problems, and does not go over regular put on and tear, harm/failure owing to an incident, incidental or consequential harm, or any use of the product which is inconsistent with the working guidelines as laid out in our person guide.3. What’s your payment phrases?one) For samples, T/T a hundred% as deposit, you can pay out through Alibaba Trade Assurance for payment defense.2) For bulk orders, RRF HangZhou CZPT FOOT MOUNTING Speed REDUCER GEARBOX TRANSMISSION T/T thirty% as deposit and T/T 70% before delivery. We are going to present you the photographs of your products and deals prior to you pay the harmony.4. Do you have the merchandise in stock?Yes, we always hold far more than 50 pcs of regular variation in stock, so that you can acquire the samples in a really limited time.


How to Design a Forging Spur Gear

Before you start designing your own spur gear, you need to understand its main components. Among them are Forging, Keyway, Spline, Set screw and other types. Understanding the differences between these types of spur gears is essential for making an informed decision. To learn more, keep reading. Also, don’t hesitate to contact me for assistance! Listed below are some helpful tips and tricks to design a spur gear. Hopefully, they will help you design the spur gear of your dreams.

Forging spur gears

Forging spur gears is one of the most important processes of automotive transmission components. The manufacturing process is complex and involves several steps, such as blank spheroidizing, hot forging, annealing, phosphating, and saponification. The material used for spur gears is typically 20CrMnTi. The process is completed by applying a continuous through extrusion forming method with dies designed for the sizing band length L and Splitting angle thickness T.
The process of forging spur gears can also use polyacetal (POM), a strong plastic commonly used for the manufacture of gears. This material is easy to mold and shape, and after hardening, it is extremely stiff and abrasion resistant. A number of metals and alloys are used for spur gears, including forged steel, stainless steel, and aluminum. Listed below are the different types of materials used in gear manufacturing and their advantages and disadvantages.
A spur gear’s tooth size is measured in modules, or m. Each number represents the number of teeth in the gear. As the number of teeth increases, so does its size. In general, the higher the number of teeth, the larger the module is. A high module gear has a large pressure angle. It’s also important to remember that spur gears must have the same module as the gears they are used to drive.

Set screw spur gears

A modern industry cannot function without set screw spur gears. These gears are highly efficient and are widely used in a variety of applications. Their design involves the calculation of speed and torque, which are both critical factors. The MEP model, for instance, considers the changing rigidity of a tooth pair along its path. The results are used to determine the type of spur gear required. Listed below are some tips for choosing a spur gear:
Type A. This type of gear does not have a hub. The gear itself is flat with a small hole in the middle. Set screw gears are most commonly used for lightweight applications without loads. The metal thickness can range from 0.25 mm to 3 mm. Set screw gears are also used for large machines that need to be strong and durable. This article provides an introduction to the different types of spur gears and how they differ from one another.
Pin Hub. Pin hub spur gears use a set screw to secure the pin. These gears are often connected to a shaft by dowel, spring, or roll pins. The pin is drilled to the precise diameter to fit inside the gear, so that it does not come loose. Pin hub spur gears have high tolerances, as the hole is not large enough to completely grip the shaft. This type of gear is generally the most expensive of the three.

Keyway spur gears

In today’s modern industry, spur gear transmissions are widely used to transfer power. These types of transmissions provide excellent efficiency but can be susceptible to power losses. These losses must be estimated during the design process. A key component of this analysis is the calculation of the contact area (2b) of the gear pair. However, this value is not necessarily applicable to every spur gear. Here are some examples of how to calculate this area. (See Figure 2)
Spur gears are characterized by having teeth parallel to the shafts and axis, and a pitch line velocity of up to 25 m/s is considered high. In addition, they are more efficient than helical gears of the same size. Unlike helical gears, spur gears are generally considered positive gears. They are often used for applications in which noise control is not an issue. The symmetry of the spur gear makes them especially suitable for applications where a constant speed is required.
Besides using a helical spur gear for the transmission, the gear can also have a standard tooth shape. Unlike helical gears, spur gears with an involute tooth form have thick roots, which prevents wear from the teeth. These gears are easily made with conventional production tools. The involute shape is an ideal choice for small-scale production and is one of the most popular types of spur gears.

Spline spur gears

When considering the types of spur gears that are used, it’s important to note the differences between the two. A spur gear, also called an involute gear, generates torque and regulates speed. It’s most common in car engines, but is also used in everyday appliances. However, one of the most significant drawbacks of spur gears is their noise. Because spur gears mesh only one tooth at a time, they create a high amount of stress and noise, making them unsuitable for everyday use.
The contact stress distribution chart represents the flank area of each gear tooth and the distance in both the axial and profile direction. A high contact area is located toward the center of the gear, which is caused by the micro-geometry of the gear. A positive l value indicates that there is no misalignment of the spline teeth on the interface with the helix hand. The opposite is true for negative l values.
Using an upper bound technique, Abdul and Dean studied the forging of spur gear forms. They assumed that the tooth profile would be a straight line. They also examined the non-dimensional forging pressure of a spline. Spline spur gears are commonly used in motors, gearboxes, and drills. The strength of spur gears and splines is primarily dependent on their radii and tooth diameter.
SUS303 and SUS304 stainless steel spur gears

Stainless steel spur gears are manufactured using different techniques, which depend on the material and the application. The most common process used in manufacturing them is cutting. Other processes involve rolling, casting, and forging. In addition, plastic spur gears are produced by injection molding, depending on the quantity of production required. SUS303 and SUS304 stainless steel spur gears can be made using a variety of materials, including structural carbon steel S45C, gray cast iron FC200, nonferrous metal C3604, engineering plastic MC901, and stainless steel.
The differences between 304 and 303 stainless steel spur gears lie in their composition. The two types of stainless steel share a common design, but have varying chemical compositions. China and Japan use the letters SUS304 and SUS303, which refer to their varying degrees of composition. As with most types of stainless steel, the two different grades are made to be used in industrial applications, such as planetary gears and spur gears.

Stainless steel spur gears

There are several things to look for in a stainless steel spur gear, including the diametral pitch, the number of teeth per unit diameter, and the angular velocity of the teeth. All of these aspects are critical to the performance of a spur gear, and the proper dimensional measurements are essential to the design and functionality of a spur gear. Those in the industry should be familiar with the terms used to describe spur gear parts, both to ensure clarity in production and in purchase orders.
A spur gear is a type of precision cylindrical gear with parallel teeth arranged in a rim. It is used in various applications, such as outboard motors, winches, construction equipment, lawn and garden equipment, turbine drives, pumps, centrifuges, and a variety of other machines. A spur gear is typically made from stainless steel and has a high level of durability. It is the most commonly used type of gear.
Stainless steel spur gears can come in many different shapes and sizes. Stainless steel spur gears are generally made of SUS304 or SUS303 stainless steel, which are used for their higher machinability. These gears are then heat-treated with nitriding or tooth surface induction. Unlike conventional gears, which need tooth grinding after heat-treating, stainless steel spur gears have a low wear rate and high machinability.

China Big power GDR-19 1000W geared electric bicycle motor for electric bicycle hub motor conversion kit     cycle gearChina Big power GDR-19 1000W geared electric bicycle motor for electric bicycle hub motor conversion kit     cycle gear
editor by czh 2023-04-19

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