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Instruções de Operação Cobra Electronics, Modelo MAGNETIC CM/200/3

Fabricante : Cobra Electronics
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• Locate the machine on the centreline pipe taking care that the magnet is in line with the longitudinal axis of the pipe. • Switch on the magnet and move the sliding plates down to the outside diameter of the pipe. Tighten the screws on both sides by hand then check once again that the full length of the moving plates is touching the pipe at the front and back, fasten the plate securely. Feed the safety strap through the lugs at the front of the housing, around the pipe and pull tight. • When cutting the hole DO NOT use excessive pressure but rather let the cutter ease into the cutting surface. • . RLL233 Issue 4 Aug 2007 15 [12] WIRING OF MAINS PLUG The wires of the mains lead are coloured in accordance with the following code: GREEN and YELLOW EARTH BLUE NEUTRAL BROWN LIVE As the colours of the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug - CONNECT AS FOLLOWS; • The wire coloured GREEN and YELLOW must be connected to the terminal marked E or marked by the earth symbol or coloured GREEN or GREEN and YELLOW • The wire coloured BROWN must be connected to the terminal marked L or coloured RED • The wire coloured BLUE must be connected to the terminal marked N or coloured BLACK In the U.K. fit a fused 13A plug for 230v supply; for 110v supply fit a 15A transformer plug WARNING - THIS APPLIANCE MUST BE EARTHED! 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. RLL233 Issue 4 Aug 2007 17 Cutter diameter a...