Gear accuracy: JIS B 1704: 1978: Grade 4 Tooth surface hardness: (115-120HRR) Tooth profile: Gleason Surface treatment: None Pressure angle: 20° Tooth surface finish: Cutting Tooth cutting reference surface: Hole Heat treatment: None Twist angle: 0 Additional workability: Possible Number of teeth: 1/3 Module: 2.5 Number of teeth: 45 Hole diameter (mm): φ1 5 Total length (mm): 38.35 Boss diameter (mm): 60 Boss length (mm): 22 Tooth width b(mm): 20 Assembly distance A(mm): 50 Substance circle直径D(mm):112.5 牙齿尖端圆直径:113.43 孔长度:35 紧密的脸直径:72.84 牙齿宽度B(mm):20 组装距离A(mm):50 ):50
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