圆周等分系数表

圆周等分系数表等份数量系数值等份数量系数值10.00000310.1011721.00000320.0980230.86603330.0950640.70711340.0922750.58779350.0896460.50000360.0871570.43388370.0848080.38268380.0825890.34202390.08047100.30902400.07846110.28173410.07655120.25882420.07473130.23932430.07299140.22252440.07134150.20791450.06976160.19509460.06824170.18375470.06679180.17365480.06540190.16459490.06407200.15643500.06279210.149042510.06156220.14231520.06038230.13617530.05924240.13653540.05814250.12533550.05709260.12054560.05607270.11610570.05509280.11197580.05414290.10812590.05322300.10453600.05233610.05148620.05065630.04985640.04907650.04831660.04758670.04687680.04618690.04551700.04486710.04486720.04362730.04302740.04244750.04188760.04132770.04079780.04027790.03976800.03926 示 意 图 计算措施：“圆周直径乘以需要数量旳系数值，就等于其中临近两点旳直线距离。” 如图示意： 例：直径K=102mm 在K线上均匀打8个孔，求P旳距离是多少？ 解：K乘以8旳系数值等于P 1020.38268=39.03336mm 例：直径K=1087.5mm 在K线上均匀打37个孔，求P旳距离是多少？ 解：K乘以37旳系数值等于P 1087.50.08480=92.22mm 以此类推 !