1567 RECOMMENDATION DRILLING HARDOX 400/450/500 HARD STEEL PLATES WITH HARDOX-LINE ANNULAR CUTTER ART. 20 1680 / 20 1690 mm Inch Material to be cut Feed Cooling Chips removal for HARDOX / hard steel HARDOX 500/400 Hard steel 30-50 HRC Thickness of HARDOX / hard steel ≤ 12 mm Thickness of HARDOX / hard steel ≤ 20 mm Thickness of HARDOX / hard steel ≤ 35 mm HARDOX 500, Hard steel max. 50 HRC (rpm) HARDOX 400, Hard steel max. 40 HRC (rpm) Manual feed (mm/s) Manual feed (mm/r) Cutting depth cutter 25 mm Cutting depth cutter 50 mm Cutting depth cutter 25 mm Cutting depth cutter 50 mm Cutting depth cutter 50 mm 14 35/64" 751 796 0.35~0.45 0.03~0.06 Use only coolant such as Karnasch Mecutoil 100 pure or vegetable oil ≥ 60 ml/min. No oil-water mixtures Not necessary to remove chips Not necessary to remove chips Stop to remove chips when reaching 13 mm deep Not necessary to remove chips Stop to remove chips when reaching 25 mm deep 15 19/32" 701 743 16 5/8" 657 697 17 43/64" 618 656 18 45/64" 584 619 Stop to remove chips when reaching 15 mm deep Stop to remove chips when reaching 15 mm deep 19 3/4" 553 587 0.40~0.50 0.04~0.07 20 25/32" 525 557 21 53/64" 500 531 22 55/64" 478 507 23 29/32" 457 485 24 15/16" 438 464 25 63/64" 420 446 26 1.1/32" 404 429 0.35~0.45 0.05~0.07 27 1.1/16" 389 413 28 1.7/64" 375 398 29 1.9/64" 362 384 30 1.3/16" 350 372 31 1.7/32" 339 360 0.30~0.40 0.05~0.08 32 1.17/64" 328 348 33 1.19/64" 318 338 34 1.11/32" 309 328 35 1.3/8" 300 318 36 1.27/64" 292 310 0.25~0.35 0.05~0.08 37 1.29/64" 284 301 38 1.1/2" 277 293 39 1.17/32" 269 286 40 1.37/64" 263 279 41 1.39/64" 256 272 0.20~0.35 0.05~0.08 42 1.21/32" 250 265 43 1.11/16" 244 259 44 1.47/64" 239 253 45 1.49/64" 234 248 46 1.13/16" 228 242 0.18~0.3 0.05~0.08 47 1.27/32" 224 237 48 1.57/64" 219 232 49 1.59/64" 214 227 50 1.31/32" 210 223 51 2.1/64" 206 219 0.16~0.3 0.05~0.09 52 2.3/64" 202 214 53 2.3/32" 198 210 54 2.1/8" 195 206 55 2.11/64" 191 203 56 2.13/64" 188 199 0.15~0.28 0.05~0.09 57 2.1/4" 184 196 58 2.9/32" 181 192 59 2.21/64" 178 189 60 2.23/64" 175 186 Explanation: The removed chips wind around the annular cutter. The operator must follow the above recommended parameter regarding chip removal. Operator should shut down the magnetic drilling machines and remove the chips around the annular cutter, then re-start. Failure to remove chips may result in a blockage or cracked teeth. 4. Recommended cutting parameter table and chip removal for HARDOX-LINE annular cutter Art. 20 1680 / 20 1690 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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