Tri Tool 204B Beveler - Manual (Page 22)

22
TRI TOOL INC.
92-0699 : Rev. 060412
CUTTING SPEEDS AND FEEDS
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 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 some thin-wall mild steel and tube with coolants.
BASIC FEED RECOMMENDATION
Use very light feed for initial beveling or until a continuous cut is established.
This is very important for longer tool bit life when cutting through flame cut or out of
square pipe ends.
Use adequate feed, .003” to .006” (.08 mm to .15 mm) per revolution thereafter, to
establish a continuous chip cut.
If the feed is too light, only light stringer chips will be removed.
1" 1.315" 33.4 mm 48 61 73
2" 2.375" 60.3 mm 27 34 40
3" 3.500" 88.9 mm 18 23 27
3 1/2" 4.000" 101.6 mm 16 20 24
4" 4.500" 114.3 mm 14 18 21
RPM for
300 in/min
(7620 mm/min)
Cutting Speed (Approximately)
Pipe Size True DIA
RPM for
200 in/min
(5080 mm/min)
RPM for
250 in/min
(6350 mm/min)