齿轮精度:N8年级热处理前的JIS B 1702-1 牙齿概况:常规牙齿 压力角:20° 材料:S45C 热处理:牙齿表面上的诱导硬化 牙齿表面硬度:50-60hrc dye no process of progance of thgbr/re process Shape: S2K Standard circle diameter (mm): 190 Tooth width ( mm): 20 Hole diameter (mm): 25 Module: 2 Tooth tip circle diameter: 194 Total length (mm): 30 Key groove b2 x t2 (mm): 8 x 3.3 Boss diameter (mm): 70 Boss length (mm): 10 Hole diameter tolerance: H7牙齿表面表面:切割水龙头:M6