Question

A pair of parallel helical gears consists of 18 teeth pinion meshing with a 63 teeth gear. The normal module is 3 mm. The helix angle is 23° while the normal pressure angle is 20°. Calculate (i) the transverse module; (ii) the transverse pressure angle; and (iii) the axial pitch. [(i) 3.26 mm (ii) 21.57° (iii) 24

Answer 1

Answer:

option No 2) the transverse pressure angle