Sharp V-1 General & Electrics Manual page 104

SHARP
8.3.1 RECOMMENDED CUTTING SPEED
TABLE 1.
Workpiece
Material
Special hard
alloy tough
steel annealed
Low ductile
carbon free
steel cutting
hard
Cast iron medium
soft
hard
Brasses
medium
and
free
bronzes
cutting
Magnesiu
m and
alloys
Aluminum
and alloys
Plastics
Brinell
hardness
HB
m/min
300-400 13-15
220-300 15-23
180-220 23-35
152-197 28-46
150-180 35-46
220-300 15-23
180-220 23-33
150-180 35-46
150-250 21-46
100-150 46-83
80-100 83-116
116-500
66-500
66-500
CH8-7
V-1 KNEE MILL GENERAL MANUAL
Cutting speed
High speed
steel cutter
ft/min
28-45
45-70
70-110
35-140
110-140
45-70
70-100
110-140
64-140
140-250
250-350
350-1500
200-1500
200-1500
Sintered carbide
tipped cutter
m/min ft/min
30-50 90-150
50-75 150-225
75-108 225-325
90-130 270-400
108-130 325-400
50-75 150-225
75-108 225-325
108-130 325-400
63-130 190-400
130-200 400-600
200-330 600-1000
KRDM24C0 V4.0S