Cutting conditions
1. Main motion (Speed)
2. Feed motion (Feed)
3. Auxiliary motion (Depth of cut)
The numerical values to be selected before
starting the machining operations
Cutting conditions
1. Cutting Speed (V)
... / min
1000
m
D n
V
Where;
D : in mm
n : in RPM
n rpm
V
The Peripheral Speed of Workpiece past the Cutting Tool
V V
V
Cutting Speed (V)
2.Feed
S– the distance the tool advances for every rotation
of work piece (mm/rev).
f
Feed
D1 D2
f is Feed Rate in mm/min = S*N
S
Cutting conditions
3. Depth of cut: "a":
perpendicular distance between machined surface (I)
and uncut surface of the Workpiece (III)
a = (D1 – D2)/2 (mm)
a is measured in mm
I
II
III
a
d Depth
of Cut
1. Main motion (Speed)
2. Feed motion (Feed)
3. Auxiliary motion (Depth of cut)
The numerical values to be selected before
starting the machining operations
Cutting conditions
1. Cutting Speed (V)
... / min
1000
m
D n
V
Where;
D : in mm
n : in RPM
n rpm
V
The Peripheral Speed of Workpiece past the Cutting Tool
V V
V
Cutting Speed (V)
2.Feed
S– the distance the tool advances for every rotation
of work piece (mm/rev).
f
Feed
D1 D2
f is Feed Rate in mm/min = S*N
S
Cutting conditions
3. Depth of cut: "a":
perpendicular distance between machined surface (I)
and uncut surface of the Workpiece (III)
a = (D1 – D2)/2 (mm)
a is measured in mm
I
II
III
a
d Depth
of Cut
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