A pair of worm gear is written as 2/40/12/6. Calculate the root diameter of the worm wheel.
A. 186.22mm
B. 250.4mm
C. 225.6mm
D. 250.44mm
Answer:C
A pair of worm gear is written as 2/40/12/6. Calculate the root diameter of the worm wheel.
A. 186.22mm B. 250.4mm C. 225.6mm D. 250.44mm
Explanation: d=m[z-2-0.4cosϒ] where ϒ=9.46⁰ is the lead angle. tanϒ=2/12, z=40 and m=6mm.