ROUND TOOLS NORTON WINTER PRECISION TECHNOLOGY TOOL GRINDING / 19 PROCESS PARAMETERS FOR FLUTE GRINDING OF TUNGSTEN CARBIDE AND HSS TOOLS (Q‘W) The feed rates stated are guidelines only and apply to both diamond and cBN tools. Feed rates have to be adjusted for small workpiece diameters, extreme flute widths and grinding wheels with a diameter of less than 100 mm. 30 40 50 60 70 80 90 100 120 140 160 180 200 220 240 260 280 300 2.0 1.0 1.3 1.7 2.0 2.3 2.7 3.0 3.3 4.0 4.7 5.3 6.0 6.7 7.3 8.0 8.7 9.3 10.0 2.2 1.1 1.5 1.8 2.2 2.6 2.9 3.3 3.7 4.4 5.1 5.9 6.6 7.3 8.1 8.8 9.5 10.3 11.0 2.4 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.8 5.6 6.4 7.2 8.0 8.8 9.6 10.4 11.2 12.0 2.6 1.3 1.7 2.2 2.6 3.0 3.5 3.9 4.3 5.2 6.1 6.9 7.8 8.7 9.5 10.4 11.3 12.1 13.0 2.8 1.4 1.9 2.3 2.8 3.3 3.7 4.2 4.7 5.6 6.5 7.5 8.4 9.3 10.3 11.2 12.1 13.1 14.0 3.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 3.2 1.6 2.1 2.7 3.2 3.7 4.3 4.8 5.3 6.4 7.5 8.5 9.6 10.7 11.7 12.8 13.9 14.9 16.0 3.4 1.7 2.3 2.8 3.4 4.0 4.5 5.1 5.7 6.8 7.9 9.1 10.2 11.3 12.5 13.6 14.7 15.9 17.0 3.6 1.8 2.4 3.0 3.6 4.2 4.8 5.4 6.0 7.2 8.4 9.6 10.8 12.0 13.2 14.4 15.6 16.8 18.0 3.8 1.9 2,5 3.2 3.8 4.4 5.1 5.7 6.3 7.6 8.9 10.1 11.4 12.7 13.9 15.2 16.5 17.7 19.0 4.0 2.0 2.7 3.3 4.0 4.7 5.3 6.0 6.7 8.0 9.3 10.7 12.0 13.3 14.7 16.0 17.3 18.7 20.0 4.2 2.1 2.8 3.5 4.2 4.9 5.6 6.3 7.0 8,4 9.8 11.2 12.6 14.0 15.4 16.8 18.2 19.6 21.0 4.4 2.2 2.9 3.7 4.4 5.1 5.9 6.6 7.3 8.8 10.3 11.7 13.2 14.7 16.1 17.6 19.1 20.5 22.0 4.6 2.3 3.1 3.8 4.6 5.4 6.1 6.9 7.7 9.2 10.7 12.3 13.8 15.3 16.9 18.4 19.9 21.5 23.0 4.8 2.4 3.2 4.0 4.8 5.6 6.4 7.2 8.0 9.6 11.2 12.8 14.4 16.0 17.6 19.2 20.8 22.4 24.0 5.0 2.5 3.3 4.2 5.0 5.8 6.7 7.5 8.3 10.0 11.7 13.3 15.0 16.7 18,3 20.0 21.7 23.3 25.0 f [mm/min] Feed rate v Infeed ae [mm] Potential of improvements Recommended operating parameters Minimum Q‘W Minimum QW
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