紧急请教各位大侠:在下现在使用的是Fanuc车床,在使用刀尖半径补偿G41,G42有时出现alarm 41 message(overcutting will occur in tool nose radius compensation,modify the program.)或40(overcutting will occur in tool nose radius compensation in canned cycle G90 or G94, modify the program),机器停止,请问是什么原因?如何modify the program?先谢谢了!!!![em16]