全部扭曲 Teeth number ratio: 1/2 Module: 2.5 Number of teeth: 40 Hole diameter (mm): φ28 Total length ( mm): 33.35 Boss diameter (mm): 55 Boss length (mm): 16 Boss width b (mm): 17 Assembly distance A (mm): 50 Reference circle diameter d (mm): 100 Tooth tip circle直径:101.29孔长度:30点击:M6键槽:8 x 3.3保持表面直径:66.99牙齿宽度B(mm):17组装距离A(mm):50