圆周等分尺寸计算(钻孔)
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等分数系数K等分数系数K等分数系数K等分数系数K等分数
30.86603210.14904410.076549610.05147881
40.70711220.14232420.074731620.05064982
50.58779230.13617430.072995630.04984583
60.5240.13053440.071339640.04906784
70.43388250.12533450.069756650.04831385
80.38268260.12054460.068243660.04758186
90.34202270.11609470.066792670.04687287
100.30902280.11197480.065403680.04618388 110.28173290.10812490.064073690.04551489 120.25882300.10453500.062791700.04486490 130.23932310.10117510.06156710.04423391 140.22252320.098015520.060379720.04361992 150.20791330.095056530.05924730.04302293 160.19509340.092269540.058145740.04244194 170.18375350.08964550.05709750.04187595 180.17365360.087156560.056071760.04132596 190.16459370.084805570.055087770.04078897 200.15643380.08258580.054138780.04026598
390.080466590.053222790.03975799
400.07846600.052336800.03926100
系数K 0.038775 0.038302 0.037841 0.037391 0.036951 0.036522 0.036102 0.035692 0.035291 0.034899 0.034516 0.034141 0.033774 0.033415 0.033064 0.032719 0.032381 0.032051 0.031728 0.03141