China QS138 70H 3000W V1V2 new version mid drive motor sprocket 428 and EM150SP controller for electric motorbike sprocket bushing

Guarantee: Provide
Motor Variety: PMSM Long lasting Magnet Interior Rotor Motor
Motor Design: One axle
Matched Wheel: 12inch Wheel (as default)
Rated Electricity: 3000W
Rated Voltage: 72V as default
Velocity: 100KPH
No-load rpm: 3800rpm without flux weakening, 6000RPM with flux weakening
Water-proof Grade: IP66
MOQ: 1

QS MOTOR 138 3000W 70H V1/V2 new edition mid push motor sprocket 428 and EM150SP controllerFor 138 3000W mid drive motor package assembly, it could be utilised for electric scooter, electric bike.
It could be 72V 100KPH.
By the way, new 3kW mid drive motor doesn’ in-line helical gearbox ninety diploma transmission udl motor speed variator gearboxes with torque arm aluminium worm equipment t have assemble kits, it really is only available for individual offering.
It can be made as belt driven( default )and sprocket design( Optional ).
Combo one

  1. 1pc x 138 3000W 70H V1 mid drive motor sprocket sort
  2. 1pc x Votol em150sp controller
  3. 1pc x 428 14T sprocket
Combo 2
  1. 1pc x 138 3000W 70H V2 mid generate motor sprocket sort
  2. 1pc x Votol em150sp controller
  3. 1pc x 428 14T sprocket
  4. 1pcs Motor vehicle Wiring appropriate for EM50sp-EM150sp controller
Combo 3
  1. 1pc x 138 3000W 70H V1 mid drive motor sprocket sort
  2. 1pc x Votol em150sp controller
  3. 1pc x 428 14T sprocket
  4. 1pcs Vehicle Wiring ideal for EM50sp-EM150sp controller
Combo four
  1. 1pc x 138 3000W 70H V2 mid push motor sprocket type
  2. 1pc x Votol em150sp controller
  3. 1pc x 428 14T sprocket
  4. 1pcs Motor vehicle Wiring ideal for EM50sp-EM150sp controller
Key Features
one). Simplify to make a electrical-motorbike. Gearbox, transmission shaft, clutch are no need to have. Which save place.
2). It could be put in in the rear to conserve far more room for battery.
3). Assistance regenerative braking
4). High effectiveness: eighty five~ninety two%
Solution descriptionGenearlly Spec:

P.S.: For 3kW 138 new mid drive motor, Design R47 speed reducer helical gearbox reducer hollow shaft top quality with oil seal transmission variator de velociadad it can be created as belt driven.(As default)
If you want to purchase such mid generate motor, remember to kindly simply click below photograph.
Dimension Drawing:
  • QS 3kW 138 70H V1 mid drive motor(new physical appearance, belt pushed)
  • QS 3kW 138 70H V2 mid drive motor(new visual appeal, belt pushed)
  • New Sprocket shaft

  • Please noted:Optional visual appeal, drawing, Professional Planetary Cone Disk Velocity Reducer Variator overall performance curve/take a look at report are obtainable.
    If you need much more technological details, you should feel free of charge to contact us.
    We will give you reply in 12hours.
    Matched controller advice:
  • Item: EM150SP sine wave controller
  • Internet fat: 2040g
  • Rated present: 180A
  • Improve recent: 220A
  • Peak existing: 470A
  • Max. Electricity: 12960W
  • Flux Weaking Ratio: one hundred~250%
  • Max. Efficiency: 88~93%
  • Degree of security: IP67

  • Motor vehicle Wiring appropriate for EM50sp-EM150sp controller

    Wiring Diagram

    What is a sprocket?

    A backlash sprocket is a sprocket with multiple teeth. The teeth are arranged at different intervals on the outer circumference of the sprocket. The bottoms of the tooth gaps are arcuate and connect opposing faces of adjacent teeth.
    The backlash diameter on the backlash sprocket is larger than the diameter of the ISO tooth profile. This allows the rollers to engage the front surfaces of the teeth without causing the teeth to disengage. The result is reduced shock and noise.
    as the picture shows. as the picture shows. As shown in FIG. 2, the sprocket 11 has a front surface (11a) and a rear surface (12b). The teeth are connected by a line extending from the center of rotation O of the sprocket to the center of the tooth gap bottom (13). The tooth surface on the sprocket is a convex arc of equal radius. The radius of re12a and re12b is larger than re8 of ISO tooth profile.
    In addition to the tooth pitch of the sprockets, ISO sprockets have standard chains. This chain is defined as ISO 606 1994 (E). The sprocket pitch line is pc. The height of the tooth head (ha) is measured from the tooth pitch polygon.
    Typically, the sprocket is secured to the shaft using one or more set screws. This means that it must be able to accommodate the keyway. To determine how much space is left, the outside diameter of the sprocket must be at least 10% larger than the pitch diameter of the shaft.
    The gap tooth sprocket system provides extra precision for chain alignment. Its teeth are higher than ISO teeth.

    ISO sprocket uniformity

    ISO sprocket standard 606 specifies sprocket compliance for most of Europe. This standard specifies large spacings, measured in sixteenths of an inch, and expressed in metric units. It was developed before the American chain and was limited by the materials available. To ensure consistency, the ISO outer plate uses a chain size one step larger than the chain size required for the application. This results in a heavier chain. ISO sprockets are available in single, double and triple chain versions.
    ANSI and ISO sprockets are interchangeable. They are based on mathematical themes and have a clear design. ISO sprockets are usually smaller than ANSI sprockets. They are also denoted with the suffix “B” to denote their chain number.

    metal sprocket

    Sintered metal sprocket is a metal sprocket with high mechanical properties. The tensile strength of the sprocket can reach more than 700 MPa, and the Charpy impact strength is 20 J/cm2. It’s also durable and wear-resistant.
    This sprocket is used for high load applications. Its teeth are made of metal and flame-hardened. The edges of the teeth are slightly softer than the rest of the teeth. The edges of the sprockets wear out when bitten.
    The sprocket is a toothed profiled wheel. It is different from a pulley that meshes with a belt. On the other hand, timing pulleys are used with toothed belts. Sprockets and chain mechanisms were also used in early cars.
    Another common use for metal sprockets is in movie projectors, where they punch holes in the film. They are also used as the paper feed mechanism in some computer printers. There are several types of sprockets. Some sprockets are lightweight, while others are heavy and have flanges to keep the timing belt centered.

    plastic sprocket

    Plastic sprockets are ideal for a variety of applications. They reduce noise and reduce chain wear. Their compressibility also increases their overall load capacity. Some of their uses include dust-free environments, food applications and quieter chain drives. They can also be customized to your specifications.
    One embodiment of the present invention includes a plastic sprocket having a co-injected outer shell and an inner core of a second material. This allows the sprocket to combine the advantages of both materials. This makes the sprocket easier to clean and lighter in weight.
    There are many different materials available for plastic sprockets. One of the most popular is Duro-Glide(r) UHMW-PE. However, there are other materials that are better suited for certain applications. For example, polyurethane sprockets have excellent wear resistance, but may be too flexible to drive a belt. Therefore, it is important to find the right combination of materials to get the job done.
    If you are in the market for a plastic sprocket, contact a reputable manufacturer. These companies offer a wide range of standard and custom sizes to meet any of your needs. They can also offer czpt delivery for quick turnaround. They specialize in custom manuManufactured and certified to ISO 9001:2000.
    Imao offers sprockets in a variety of different materials. They are available in a variety of sizes and feature either molded ball bearings or fiberglass reinforced bearings. These sprockets are designed for sawmills and other light duty applications. They are also resilient and can be used in any type of sawmill.

    Aluminum sprocket

    Aluminum sprockets save weight and increase the speed of the bike. The material used to make them is 7075-T6 aerospace grade aluminum, which makes them lightweight and durable. The teeth are also formed on the hobbing machine so they fit perfectly and reduce friction. They also have an anodized color finish for added strength and durability.
    The size you need depends on your wheel setup and the type of terrain you ride. Larger sprockets are better for slower terrain and provide more torque. However, larger sprockets tend to reduce top speed, so you may need to adjust accordingly. If you have an OEM 19″ or 16″ setup, 52t/54t sprockets are the most recommended option. 7075-T6 aluminum also reduces weight and rolling mass.
    China QS138 70H 3000W V1V2 new version mid drive motor sprocket 428 and EM150SP controller for electric motorbike     sprocket bushingChina QS138 70H 3000W V1V2 new version mid drive motor sprocket 428 and EM150SP controller for electric motorbike     sprocket bushing
    editor by czh 2023-02-16