Motor Views and Dimensions
This section details the physical characteristics and dimensions of the BAFANG BLDC Motor, model MM G320.1000, as presented in the technical drawing. The motor is designed for bicycle applications.
Main Motor Unit: The drawing illustrates a cylindrical motor unit, identified with a "Labeling part" and a "Laser part". It is engineered to integrate with the bottom bracket of a bicycle.
Key Dimensions and Features:
- The designated length for the bottom bracket fitting is 190 mm.
- A reference point indicating the "Center of bicycle" is provided.
- Several diameter measurements are specified: Ø51 mm, Ø33.4 mm (with a tolerance of -0.15), Ø48 mm, Ø70 mm, and Ø133 mm.
- Additional critical dimensions include 20.5 mm, 22 mm, a tolerance of ±0.3 mm, and a length division marked as L/2.
- Mounting interfaces are indicated with M5 and M3 thread symbols.
- The motor is rated for 48V operation.
The drawing presents multiple perspectives of the motor: a side view showing its integration with the bicycle frame, a front view detailing the internal drive mechanism, and a rear view illustrating connection or mounting points.
Technical Requirements
The following technical specifications are mandated for the motor:
- Motor phase angle: 120°.
- Motor marking conventions must adhere to document No. BF-TS-753-MO-01.
- Line length and joint part configurations are to be implemented according to the associated controller drawings.
Revision and Approval Information
The drawing includes a comprehensive table detailing its revision history and approval status:
| MARK | QTY | REV. | SIGN | DATE | DRAWING SIGN | QTY | WEIGHT SCALE | SHEET | OF | REV. |
|---|---|---|---|---|---|---|---|---|---|---|
| DRAWN | 张苏北 | 2016-12-26 | S | 1 | 1:4 | A | ||||
| CHECKED | 顾培元 | |||||||||
| ENG APPR. | 张苏北 | |||||||||
| MFG APPR. |
The drawing's final approval date was 2016-12-26.
Product Identification
Brand: BAFANG
Product Name: BLDC Motor
Model Number: MM G320.1000
