| 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: 27 Standard circle diameter (mm): 74.25 Tooth width (mm): 15Hole diameter (mm): 20 Total length (mm): 29 Shape: B Twist direction: R Boss diameter (mm): 50 Boss length (mm): 12 Assembly distance: 45 Tooth tip circle diameter: 74 Tooth surface finish: Grinding Additional workability: Some not possible Twist angle (°): 35孔直径公差:H7
|