Tri Tool SQM-1AC Squaring Module - Manual (Page 12)

12
TRI TOOL INC.
92-0675 : Rev. 970314
CUTTING SPEEDS
Use 200 surface inches per minute (5080 surface millimeters per minute) for:
Stainless steels in general when no coolant is allowed, all heavy wall tube and some
of the chrome/molybdenum steels.
Use 250 surface inches per minute (6350 surface millimeters per minute) for:
Mild steels and some thin wall stainless steels when coolants are permitted and
applied.
Use 300 surface inches per minute (7620 surface millimeters per minute) for:
Aluminum and thin-wall mild steel tube with coolants.
RPM for
200 in/min
(5080 mm/min)
RPM for
250 in/min
(6350 mm/min)
RPM for
300 in/min
(7620 mm/min)
.25" 6.4 mm 254 318 382
.50" 12.7 mm 127 159 191
1.00" 25.1 mm 64 80 95
1.50" 38.1 mm 42 53 64
2.00" 50.8 mm 32 40 48
Mean Cutting
Diameter
Cutting Speeds (approximate)