A pair of parallel helical gears consist of 15 teeth pinion meshing with a 40 teeth gear. The helix angle is 22 and normal pressure angle 19 . The normal module is taken as 4mm. Calculate the axial pitch.

A pair of parallel helical gears consist of 15 teeth pinion meshing wi

1.	A pair of parallel helical gears consist of 15 teeth pinion meshing with a 40 teeth gear. The helix angle is 22 and normal pressure angle 19 . The normal module is taken as 4mm. Calculate the axial pitch.
A.	None of the listed
B.	34.2mm
C.	33.4mm
D.	29.6mm
Answer» D. 29.6mm

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