CNC gear grinding time
Input data	Values			Unit
Normal module (Mn)				mm
Number of teeth (Z)
Machine assembly				Hours
Helix direction	Straight or HelicalHerringbone
Helix angle β				degree
Helix width (b)				mm
Flank allowance				mm
Advance for roughing				mm/min.
Advance to pre-finishing				mm/min.
Advance to finish				mm/min.
Inspection time				Hours

Result
Total time		Hours
		Decimal