编程指令（Programming instruction）.doc

编程指令（Programming instruction） [instruction format description] Instruction specification G17 specifies the arc in the XpYp plane G18 specifies the arc in the XpZp plane G19 specifies the arc in the YpZp plane G02 clockwise circular interpolation (CW) G03 counterclockwise arc interpolation (CCW) The Xp__ X axis or the instruction value parallel to the X axis (set by the parameter No.1022) The Yp__ Y axis or the instruction value parallel to the Y axis (set by the parameter No.1022) The Zp__ Z axis or the instruction value parallel to the Z axis (set by the parameter No.1022) I__ the distance between the center of the arc and the X axis of the starting point (signed) J__ the distance between the center of the arc and the Y axis of the starting point (signed) K__ the distance between the center of the arc and the Z axis of the starting point (signed) R__ the arc radius is specified by the signed radius of the arc F__ feed rate along the arc G code group functional notes Fast positioning mode of G00 01 G01 linear interpolation mode G02 clockwise arc interpolation mode G03 counterclockwise arc interpolation mode G04 00 suspends modeless *G10 data set mode G11 data set to cancel mode G17 16 XY plane selective modes G18 ZX plane selection (default) mode G19 YZ plane selective modes G20 06 imperial (in) mode G21 metric (mm) mode The *G22 09 stroke check function turns on the mode G23 stroke check function turns off mode *G25 08 spindle speed fluctuation check closed mode G26 spindle speed fluctuation check opens modeless The G27 00 reference point is returned to check modeless The G28 reference point returns modeless G31 skip step function non modal *G40 07 tool radius complement cancel mode G41 tool radius, left, complementary mode G42 tool radius, right fill mode G43 00, tool length, positive feed mode G44 tool length; negative complement mode G45 tool length cancel mode G50 00 workpiece coordinate origin setting, maximum spindle speed set modeless G52 local coordinate sy