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Table 1 Parameters of the driving and driven gear

From: Quasi-Static and Dynamic Behaviors of Helical Gear System with Manufacturing Errors

Parameter Driving gear Driven gear
Tooth number 20 20
Normal module (mm) 10 10
Normal pressure angle (°) 20 20
Helix angle (°) 25 − 25
Addendum coefficient 1 1
Bottom clearance coefficient 0.25 0.25
Tooth width (mm) 60 60