16 13] cutting speeds – Cobra Electronics MAGNETIC CM/200/3 User Manual
Page 17
RLL233
Issue 4 Aug 2007
16
13] CUTTING SPEEDS.
Material
Surface speed (M/min)
Aluminium
60-90
Cast iron
Soft
30-50
Hard alloy
15-21
Malleable
15-30
Steel
Mild (460 N/mm_)
24-30
(460-770 N/mm_)
15-27
(770-1070 N/mm_)
9-15
1070-1230 N/mm_)
6-9
Stainless
steel
Ferritic
15-18
Austenitic
12-15
Martensitic
9-15
Typical cutting speeds (RPM) for various materials
Cutter
Surface speed.
Cutter
Surface speed.
dia
9
15
30
45
dia
9
15
30
45
12
239 398 796 1194
39
73
122 245 367
13
220 367 734 1102
40
72
119 239 358
14
205 341 682 1023
41
70
116 233 349
15
191 318 637 955
42
68
114 227 341
16
179 298 597 895
43
67
111 222 333
17
168 281 562 842
44
65
109 217 326
18
159 265 530 796
45
64
106 212 318
19
151 251 503 754
46
62
104 208 311
20
143 239 477 716
47
61
102 203 305
21
136 227 455 682
48
60
99
199 298
22
130 217 434 651
49
58
97
195 292
23
125 208 415 623
50
57
95
191 286
24
119 199 398 597
51
56
94
187 281
25
115 191 382 573
52
55
92
184 275
26
110 184 367 551
53
54
90
180 270
27
106 177 354 530
54
53
88
177 265
28
102 171 341 512
55
52
87
174 260
29
99
165 329 494
56
51
85
171 256
30
95
159 318 477
57
50
84
168 251
31
92
154 308 462
58
49
82
165 247
32
90
149 298 448
59
49
81
162 243
33
87
145 289 434
60
48
80
159 239
34
84
140 281 421
61
47
78
157 235
35
82
136 273 409
62
46
77
154 231
36
80
133 265 398
63
45
76
152 227
37
77
129 258 387
64
45
75
149 224
38
75
126 251 377
65
44
73
147 220
These speeds should be viewed as a suggested starting point only.
The machine speed may require adjustment to suit the application conditions.