1、在中輸入圓弧名稱在中輸入圓形半徑(m)圓弧起點坐標(A)在Y中輸入圓弧中點坐標(C)在X中輸入圓弧止點坐標(B)等分弧拱高(m)根據等分弧的拱高（要求精度）計算出各等分點的坐標其它自動計算。X計算與輸入點的X對應的Y坐標Y Y X 圓圓弧弧基基本本信信息息輸輸入入圓弧名稱m圓形半徑(m)R50.000圓弧起點坐標(A)Xa788.623Ya1157.296圓弧中點坐標(C)Xc722.651Yc1211.340圓弧止點坐標(B)Xb711.929Yb1122.141計計算算結結果果C點離心差(mm)d0.003C點離心差（ppm）d(ppm)0.062圓心坐標X0739.091Y01164.1

2、20圓弧區間1(度)Q1352.1558Z1360.0000圓弧區間2(度)Q20.0000Z2237.0957里里程程點點 圓圓弧弧基基本本信信息息輸輸入入圓形半徑(m)R50.000圓弧起點坐標(A)Xa788.623Ya1157.296圓弧中點坐標(C)Xc722.651Yc1211.340圓弧止點坐標(B)Xb711.929Yb1122.141計計算算結結果果C點離心差(mm)d0.003C點離心差（ppm）d(ppm)0.062圓心坐標X0739.091Y01164.120圓弧區間1(度)Q1352.1558Z1360.0000圓弧區間2(度)Q20.0000Z2237.0957輸輸

3、入入等分弧拱高(m)h0.100計計算算結結果果周長(m)C314.159總角(度)z244.9399總弧長(m)L213.750等分弧(m)L6.326等分角(度)7.2486名稱計算X值計算Y坐標里程點心距差(mm)代號XYD1(mm)K+ 0.000788.6231157.2960K+ 6.326789.0881163.6000K+ 12.651788.7541169.9130K+ 18.977787.6261176.1330K+ 25.302785.7231182.1610K+ 31.628783.0741187.9000K+ 37.954779.7221193.2600K+ 44.2

4、79775.7201198.1540K+ 50.605771.1331202.5030K+ 56.930766.0341206.2390K+ 63.256760.5051209.3020K+ 69.582754.6321211.6430K+ 75.907748.5121213.2240K+ 82.233742.2411214.0210K+ 88.559735.9201214.0190K+ 94.884729.6491213.2200K+ 101.210723.5291211.6370K+ 107.535717.6581209.2930K+ 113.861712.1301206.2280K+ 1

5、20.187707.0321202.4900K+ 126.512702.4471198.1380K+ 132.838698.4481193.2430K+ 139.163695.0981187.8820K+ 145.489692.4511182.1410K+ 151.815690.5501176.1120K+ 158.140689.4251169.8920K+ 164.466689.0941163.5790K+ 170.791689.5621157.2750K+ 177.117690.8211151.0800K+ 183.443692.8521145.0940K+ 189.768695.6221

6、139.4120K+ 196.094699.0871134.1250K+ 202.420703.1921129.3170K+ 208.745707.8701125.0660K+ 213.750711.9291122.1410K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-K

7、+ 213.750-K+ 213.750-K+ 213.750-K+ 213.750-X-YX-Y名稱輸入X坐標計算Y值Y點心距差代號XYD11#2#3#4#5#6#7#8#9#10#11#12#13#14#15#16#17#18#19#20#21#22#23#24#25#26#27#28#29#30#31#32#33#34#35#36#37#38#39#40#41#42#43#44#45#46#47#48#49#50#51#52#53#54#Y-XY-X名稱計算X值輸入Y坐標X心距差(mm)代號XYD1(mm)1#2#3#4#5#6#7#8#9#10#11#12#13#14#15#16#17#1