Machinery's Handbook, 31st Edition
1276
GRINDING FEEDS AND SPEEDS Table 9. Group 9—Carbide Materials, Diamond Wheel
ECT = 0.00002 mm ECT = 0.00008 mm Constant C = 9030 Constant C = 8030 Constant C = 5365 Constant C = 2880 V T SMRR V T SMRR V T SMRR V T SMRR 4800 1395 30 1195 35 760 40 390 30 600 2140 45 1855 55 1200 60 625 50 10 4960 100 4415 130 2950 145 1580 125 ECT = 0.00003 mm ECT = 0.00005 mm
1000
10000
ECT = 2 ECT = 3 ECT = 5 ECT = 8
ECT = 2 ECT = 3 ECT = 5 ECT = 8
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V, m/min
V, m/min
Fig. 9a. T - V Fig. 9b. SMRR versus V , T = 100, 10, 1 minutes Table 10. Group 10 — Ceramic Materials, Al 2 O 3 , ZrO 2 , SiC, Si 3 N 4 , Diamond Wheel ECT = 0.00002 mm ECT = 0.00003 mm ECT = 0.00005 mm ECT = 0.00008 mm Constant C = 2460 Constant C = 2130 Constant C = 1740 Constant C = 1420 V T SMRR V T SMRR V T SMRR V T SMRR 4800 395 8 335 10 265 13 210 17 600 595 12 510 15 410 20 330 25 10 1355 25 1170 35 955 50 780 60
10000
100
ECT = 2 ECT = 3 ECT = 5 ECT = 8
ECT = 2 ECT = 3 ECT = 5 ECT = 8
1000
100
10
10
1000
10000
100
100
1000
10000
V, m/min
V, m/min
Fig. 10b. SMRR versus V , T = 100, 10, 1 minutes
Fig. 10a. T - V
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