| 规格和标准 |
Gear accuracy: JIS B 1704 Grade 0 Tooth profile: Gleason Pressure angle: 20° Heat treatment: Carburized hardening (hole/boss part charcoal prevention) Gear hardness: 60-63HRC (module 1.5, 2 is 80-83HRA) Tooth number ratio: 1.5 Module: 2.75 Number of teeth: 18 Basic circle diameter (mm): 49.5 Tooth width (mm): 15Hole diameter (mm): 14 Total length (mm): 22 Shape: A' Twist direction: L Boss diameter (mm): 40 Boss length (mm): 6 Assembly distance: 46 Tooth tip circle diameter: 52 Tooth surface finish: Grinding Additional workability: Some not possible Twist angle (°): 35孔直径公差:H7
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