25
Model 208B BEVELMASTER
®
92-1482 Rev. 190410
7. CUTTING SPEEDS AND FEEDS
7.1 CUTTING SPEEDS TABLE
Tube Size
Approximate Cutting Speeds
RPM for
200 in/min
(50.80 cm/min)
RPM for
250 in/min
(63.50 cm/min)
RPM for
300 in/min
(76.20 cm/min)
1.50"
(38.1 mm)
42
53
64
2.00"
(50.8 mm)
32
40
48
2.50"
(63.5 mm)
25
32
38
3.00
(76.2 mm)
21
27
32
3.50"
(88.9 mm)
18
23
27
4.00"
(101.6 mm)
16
20
24
4.50"
(114.3 mm)
14
18
21
5.00"
(127.0 mm)
13
16
19
5.50"
(139.7 mm)
12
15
17
6.00"
(152.4 mm)
11
13
16
6.50"
(165.1 mm)
10
12
15
7.00"
(177.8 mm)
9
11
14
7.50"
(190.5 mm)
8
10
13
8.00"
(203.2 mm)
8
10
12
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.
Содержание BEVEL MASTER 208B
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