Speed Selection - Rotabroach SMARTPANTHER1 Manual

Issue 3
8) CUTTING SPEEDS.
Typical cutting speeds (RPM) for various materials
Cutter Surface speed.
dia
9 15 30 45
12 239 398 796 1194
13 220 367 734 1102
14 205 341 682 1023
15 191 318 637 955
16 179 298 597 895
17 168 281 562 842
18 159 265 530 796
19 151 251 503 754
20 143 239 477 716
21 136 227 455 682
22 130 217 434 651
23 125 208 415 623
24 119 199 398 597
25 115 191 382 573
26 110 184 367 551
27 106 177 354 530
28 102 171 341 512
29 99 165 329 494
30 95 159 318 477
31 92 154 308 462
32 90 149 298 448
33 87 145 289 434
34 84 140 281 421
35 82 136 273 409
36 80 133 265 398
37 77 129 258 387
38 75 126 251 377
These speeds should be viewed as a suggested starting point only.
The machine speed may require adjustment to suit the application conditions.
Possible speed selection for mild steel with ideal conditions at 30 M/min.
This data is presented for guidance only, and should be adjusted to suit site and material
condition
Original Version
Cutter Surface speed.
dia
9 15 30 45
39 73 122 245 367
40 72 119 239 358
41 70 116 233 349
42 68 114 227 341
43 67 111 222 333
44 65 109 217 326
45 64 106 212 318
46 62 104 208 311
47 61 102 203 305
48 60 99 199 298
49 58 97 195 292
50 57 95 191 286
51 56 94 187 281
52 55 92 184 275
53 54 90 180 270
54 53 88 177 265
55 52 87 174 260
56 51 85 171 256
57 50 84 168 251
58 49 82 165 247
59 49 81 162 243
60 48 80 159 239
61 47 78 157 235
62 46 77 154 231
63 45 76 152 227
64 45 75 149 224
65 44 73 147 220
Speed selector
Cutter diameter
Position.
1
2
3
4
5
6
- 10 -
Material
Aluminium
Cast iron Soft
Hard alloy
Malleable
Steel Mild (460 N/mm²)
(460-770 N/mm²)
(770-1070 N/mm²)
1070-1230 N/mm²)
Stainless steel Ferritic
Austenitic
Martensitic
Nominal RPM
40 270
32 330
24 400
19 470
16 570
14 610
March 2012
Surface speed
(M/min)
60-90
30-50
15-21
15-30
24-30
15-27
9-15
6-9
15-18
12-15
9-15