数控车床车普通螺纹加工编程举例

数控车床车普通螺纹加工编程举例 更新日期：2024-02-10　　来源：数控工作室    由GBl97―81知该螺纹大径为Φ30mm 所以编程大径取为Φ29. 7mm，设牙底由单一圆弧形状构成，取圆弧半径为R =1/8H =0.2.则编程小径为     d’=30-7/4×0.866×2+2×0.2-0.038-0.17/2=27.246取编程小径为Φ27.3mm   加工程序如下 %0005 N01 G92 X270.0 Z260.0 N02 M03 S800   T0101 N03 G00 X35.0 Z104.0 G00 G90 X28.9 N04 G32 G91 Z-53.0 F2.0 G00 G91 X100.0 G00 Z53.0 G00 G90 X28.2 N05 G32 G91 Z-53.0 F2.0 G00 G91 X100.0 G00 Z53.0 G00 G90 X27.7 N06 G32 G91 Z-53.0 F2.0 G00 G91 X100.0 G00 Z53.0 G00 G90 X27.3 N07 G32 G91 Z-53.0 F2.0 G00 G91 X100.0 G00 Z53.0 T0000 N08 G00 X270.0 Z260.0 N09 M05 N10 M30