Manual

Thread Cutting
Chapter 25
2
5
-
2
4
Figure 25.15
Multipass Thread Cutting Infeed Parameters
Finishing
allowance
Finishing
allowance
Finishing
allowance
Finishing
allowance
K
K
K
K
Cutting
tool
Cutting
tool
Cutting
tool
Cutting
tool
P
1
Single edge
cutting
P3
Single edge cutting
P4
Double edge
cutting
P
2
Double edge
cutting
D
D
D
D
D
D
D
D
DÖ2
DÖ4
DÖ6
DÖ2Ö2
DÖ2
DÖ4
DÖ3
D(Ö2+Ö4)
2
D(Ö4+Ö6)
2
D’
D’ is the remainingmaterial
to reach K -- finish allowance.
D’
D’ is the remainingmaterial toreach
K -- finish allowance. Note 2equal
passes aremade equalto half D’
Infeed Reference
Point
Infeed Reference
Point
I
n
f
e
e
d
R
e
f
e
r
e
n
c
e
Point