Posted by chuck tucker on March 04, 2013 at 10:41:02:
WE NEED HELP UNDERSTANDING THE DIFFERENTIAL FORMULA.
Cda / 3.1416 X sinBo / Mn X z1
Cda = machine constant = 225/8
z1 = number leads on hob
We are cutting a 5 DP gear , 22 teeth, with a 11 deg 47 min helix