Fig. 1. Permanent magnet of double-layer type.
Fig. 2. Motor heating flow analysis
Fig. 3. Applying the motor
Fig. 4. Shift gears mechanism
Fig. 5. Manufacture the transmission
Fig. 6. Spline FEM analysis
Fig. 7. Spline design
Fig. 8. Manufacture the motor-transmission integral
Table 1. Commercial electric vehicle motor specification
Table 2. Final design motor specification
Table 3. cooling water heating property
Table 4. Calculation of reduction gear ratio
Table 5. Reduction gears specification
Table 6. Root safety(SF) and flank safety(SH) according to the RPM
Table 7. Gear meshing efficiency
Table 8. Design of spline specification
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