Optimization and Modeling of Radial Pitch Diameter Difference in Tapping of AISI H13

Table 1

Geometric parameters of taps.

Parameter	Value
Nominal diameter (mm)	8
Tap length (mm)	72
Pitch (mm)	1.25
Rake angle (deg)	7
Flank angle (deg)	5
Flute number	3
Hone radius (μm)	0, 10, 20
Chamfer length (μm)	2, 4