High-precision customizable speed change gear

Customized according to your draw.

General customization requirements:	Drawing (length, width, height, diameter, thickness, lightening hole, slot)
	Materials
	Dimensional accuracy
	Heat treatment & hardness requirements
	Accuracy grade of tooth
	Gear type and hole&shaft size (helix angle)
	Gear parameters
	module
	Common normal line
	(Unspecified) Tolerance of linear and angular
	(Unspecified) geometric dimensioning & tolerancing （GD&T）
	Modification coefficient(addendum modification factor)