question_answer

For the manufacture of full depth spur gear by hobbing process, the number of teeth to be cut = 30, module = 3 mm and pressure angle = \[20{}^\circ \] The radial depth of cut to be employed should be equal to:

A) 3.75 mm                      

B) 4.50 mm

C) 6.00 mm                      

D) 6.75 mm