Nonlinear Optimization Method for Transmission Error of Hypoid Gear Machined by the Duplex Helical Method

Table 1

Sensitivity coefficient of machine tool parameters to normal deviation of tooth surface.

Machine tool parameters	Sensitivity coefficient
Tilt angle i (°)	271
Swivel angle j (°)	102
Radial distance sr1 (mm)	9
Center roll position q1 (°)	1.2
Work offset e1 (mm)	4.9
Machine center to back (mm)	2.3
Sliding base xb1 (mm)	1.7
Ratio of roll mb1	116
Machine root angle γm1 (°)	291
Velocity coefficient of helical motion hl (mm/rad)	2.4