A pair of worm gear is written as 2/40/12/6. Calculate the throat diameter of the worm wheel.
A. 220.5mm
B. 246.4mm
C. 190.44mm
D. 251.7mm
Answer:D
A pair of worm gear is written as 2/40/12/6. Calculate the throat diameter of the worm wheel.
A. 220.5mm B. 246.4mm C. 190.44mm D. 251.7mm
Explanation: d(t)=m[z+4cosϒ-2] where ϒ=9.46⁰ is the lead angle. tanϒ=2/12, z=40 and m=6mm.