Cutting speeds and feeds – Tri Tool CBM-2 Counterbore Module User Manual
Page 12
12
TRI TOOL INC.
92-0177 Rev. 140226
CUTTING SPEEDS AND FEEDS
The chart shows RPM to obtain specified Tool Bit surface cutting speed on the
surface of the pipe.
CUTTING SPEEDS APPROXIMATE
DIA
RPM for
200 in/min
(508 cm/min)
RPM for
250 in/min
(635 cm/min)
RPM for
300 in/min
(762 cm/min)
12.00"
304.8 mm
5
7
8
10.00"
254.0 mm
6
8
10
8.00"
203.2 mm
8
10
12
6.00"
152.4 mm
11
13
16
4.00"
101.3 mm
16
20
24
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.
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