Tri Tool 302 Tube Squaring - Manual (Page 19)

19
Model 302 Tube Squaring Machine
92-0547 : Rev. 140610
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 thin-wall mild steel and tube with coolants.
Pipe DIA True DIA
RPM for
200 in/min
(5080 mm/min)
RPM for
250 in/min
(6350 mm/min)
RPM for
300 in/min
(7620 mm/min)
.250" (6.4 mm) 255 318 382
.375" (9.5 mm) 170 212 255
.500" (12.7 mm) 127 159 191
.750" (19.1 mm) 85 106 127
1.00" (25.4 mm) 64 80 95
1.25" (31.8 mm) 51 64 76
1.50" (38.1 mm) 42 53 64
2.00" (50.8 mm) 32 40 48
*Cutting Speed (Approximately)