Given,
Pai=12'
OD=45
M=1.5
Then,
PD=OD-2M
=45-2×1.5
=41
Job lead= (pai×PD)÷(Tan12)
=605.98
Machine lead=203
Gear Ratio=(Job lead÷Machine lead)
=605.98÷203
=2.98
Given,
Pai=12'
OD=45
M=1.5
Then,
PD=OD-2M
=45-2×1.5
=41
Job lead= (pai×PD)÷(Tan12)
=605.98
Machine lead=203
Gear Ratio=(Job lead÷Machine lead)
=605.98÷203
=2.98