A helical gear has the active face width equal to b pitch p and helix angle α. What should be the minimum value of b in order that contact is maintained across the entire active face of the gear?
A. p cosα
B. p secα
C. p tanα
D. p cotα
Answer:D
A helical gear has the active face width equal to b pitch p and helix angle α. What should be the minimum value of b in order that contact is maintained across the entire active face of the gear?
A. p cosα B. p secα C. p tanα D. p cotα