A Model accounting for Stiffness Weakening of Curvic Couplings under Various Loading Conditions

Table 1

Geometrical relationships of the structural parameters of curvic couplings.

Categories	Definitions	Symbols	Operational relations
Independent design parameters	Tooth type	None	Convex or concave
	Tooth number	Z	Even
	Outer diameter	D	User defined
	Tooth width	W	User defined
	Tangency radius	R T	or user defined
	Enveloped half pitches	N	,
	Pressure angle	α	User defined
	Whole depth	h W	, where fh is the user-defined coefficient
	Clearance	c	, where fc is the user-defined coefficient
Associated design parameters	Addendum	h T
	Dedendum	h R
	Enveloped angle	β
	Diameter pitch	P
	Pitch cone circle radius	R C
	Inner diameter	d
Machining parameters	Wheel distance	S
	Wheel radius	R W
	Point width	W P	Subject to grinding conditions