圆周弦长系数表

六方对角系数 对边×1.155=对角弦长=直径×系数 ∠60°中心距32mm对角线为55.42 中心距25mm对角线为43.3 ∠90°中心距32mm对角线为45.25 1160.19509310.10117460.06854610.05148760.04133

2170.18375320.09801470.06675620.05065770.040788

30.866180.17365330.095056480.0654630.04985780.040265

40.707190.16459340.09227490.06407640.04907790.039757

50.5977200.15643350.08964500.06279650.04831800.0392660.5210.14904360.08716510.06156660.04758810.03875570.4388220.14232370.084805520.06038670.04687820.03830280.38268230.13617380.08258530.05924680.04618830.03784

90.34202240.13053390.08047540.05815690.04551840.03739

100.30902250.12533400.07846550.05709700.04486850.03695

110.28173260.12054410.07655560.05607710.04423860.036522120.25882270.11609420.07473570.05509720.04362870.0361130.23932280.11197430.07299580.05414730.04302880.03569

140.22252290.10812440.07134590.05322740.04244890.03529

150.20791300.10453450.06776600.05234750.04187900.034899