Study on the Tooth Profile Parameters Design Method of Crown Gear Coupling for Helicopter Tail Folding Device

Table 2

Tooth profile parameters of crown gear coupling.

Parameters		Value
Basic parameters	Modulus (mm)	2.5
	Number of teeth	44
	Pressure angle (°)	20
	Tooth width b1 (mm)	15
Modification parameters	Angular displacement of coupling (°)	2.3
	Radius of displacement circle R (mm)	37.699
	Single-sided thinning (mm)	0.301
	Tangential displacement (mm)	0.208