Tri Tool 602-5SBM Clamshell Air - Manual (Page 29)

29
Model 602.5SBM, Low Profile Clamshell
92-0093 Rev. 131230
CUTTING SPEEDS
The chart shows RPM to obtain the specified Tool Bit surface cutting speed on the
surface of the pipe.
Cutting Speeds (Approximately)
Pipe Size True Diameter
RPM for 200
in/min
(508 cm/min)
RPM for 250
in/min
(635 cm/min)
RPM for 300
in/min
(762 cm/min)
- 3.000" 76.2 mm 21 27 32
2 1/2" 2.875" 73.0 mm 22 28 33
2" 2.375" 60.3 mm 27 34 40
1 1/2" 1.900" 48.3 mm 34 42 50
1 1/4" 1.660" 42.2 mm 38 48 58
1" 1.312" 33.4 mm 48 61 73
Use 200 surface inches per minute (508 surface centimeters 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 (635 surface centimeters per minute) for, Mild steels
and some thin wall stainless steels, when coolants are permitted and applied.
Use 300 surface inches per minute (762 surface centimeters per minute) for, Aluminum and
thin wall mild steel and tube with coolants.