圆周等分系数表.doc

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1、圆周等分系数表等份数量系数值等份数量系数值10.00000310.1011721.00000320.0980230.86603330.0950640.70711340.0922750.58779350.0896460.50000360.0871570.43388370.0848080.38268380.0825890.34202390.08047100.30902400.07846110.28173410.07655120.25882420.07473130.23932430.07299140.22252440.071341

2、50.20791450.06976160.19509460.06824170.18375470.06679180.17365480.06540190.16459490.06407200.15643500.06279210.149042510.06156220.14231520.06038230.13617530.05924240.13653540.05814250.12533550.05709260.12054560.05607270.11610570.05509280.11197580.05414290.10812590.

3、05322300.10453600.05233610.05148620.05065630.04985640.04907650.04831660.04758670.04687680.04618690.04551700.04486710.04486720.04362730.04302740.04244750.04188760.04132770.04079780.04027790.03976800.03926示意图《计算方法》：“圆周直径乘以需要数量的系数值，就等于其中临近两点的直线距离。”如图示意：例：直径фK=102mm在фK

4、线上均匀打8个孔，求P的距离是多少？解：K乘以8的系数值等于P102×0.38268=39.03336mm例：直径фK=1087.5mm在фK线上均匀打37个孔，求P的距离是多少？解：K乘以37的系数值等于P1087.5×0.08480=92.22mm以此类推!