Recommended Starting Parameters for Machining with "PCD"

WORKPIECE MATERIAL NOSE RADIUS inch (mm) SIDE RELIEF DEGREES POSITIVE BACK RAKE ANGLE DEGREES DPEED sfm (M/mm) DEPTH OF CUT inch (mm) FEED RATE ipr (mm/rev) Aluminum alloys 0.006"- 0.040" (0.15-1.02mm) 5-10 0-10 3000 - 5000 (914-1524) 0.005"- 0.020" (0.13-0.51mm) 0.002"- 0.008" (0.051-0.20mm) Copper alloys (including bronze) 0.010"- 0.040" (0.25-1.02mm) 5-30 10-20 1500-3500 (457-1067) 0.005"- 0.020" (0.13-0.51mm) 0.001"- 0.006" (0.025-0.15mm) Sintered cemented tungsten carbide 0.040"- 0.250" (1.02-6.00mm) 5-12 0-6 30-50 (10-15) 0.0005"- 0.005" (0.025-0.076mm) 0.004"- 0.006" (0.10-0.15mm) Glass fiber/plastic composites 0.030"- 0.090" (0.76-2.29mm) 5-20 0-5 400-3600 (122-1097) 0.001"- 0.003" (0.025-0.076mm) 0.001"- 0.010" (0.025-0.25mm) Carbon/plastic composites 0.020"- 0.040" (0.51-1.02mm) 5-20 0-5 500-2000 (152-610) 0.010"- 0.100" (0.25-2.54mm) 0.005"- 0.015" (0.13-0.38mm) High-alumina ceramics 0.010"- 0.040" (0.25-1.02mm) 5-20 0-5 1200-2400 (365-730) 0.0005"- 0.005" (0.013-0.13mm) 0.001"- 0.004" (0.025-0.102mm)

ALUMINUM ALLOY MATERIALS SILICON CONTENT(%) SPPEEDS & FEEDS SAND CAST SPEEDS & FEEDS DIE CAST 355 308 319 356 357 328 4.5 -- 5.5 5.0 -- 6.0 5.5 -- 6.5 6.5 -- 7.5 6.5 -- 7.5 7.5 --8.5 4000 sfm (1219 M/min) .010 ipr (.25 mm/rev) 6000 sfm (1828 M/min) .020 ipr (.50 mm/rev) 380 333 332 360 384 7.5 -- 9.5 8.0 -- 10.0 8.5 -- 10.5 9.0 -- 10.0 10.5 -- 12.0 3000 sfm (914 M/min) .005 ipr (.13 mm/rev) 5000 sfm (1524 M/min) .015 ipr (.38 mm/rev) 390 AND HIGH SILICON 16.0 -- 18.0 1000 sfm (305 M/min) .002 ipr (.05 mm/rev) 3000 sfm (914 M/min) .010 ipr (.25 mm/rev)

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