G39: Tool Radius Compensation Corner Arc - Mitsubishi Electric MELSEC iQ-R16MTCPU Programming Manual

G39: Tool radius compensation corner arc

Inserts an arc with the compensation amount as the radius without an intersection point calculation at the workpiece corner.
Code
G39
Processing details
• When the G39 command is executed, an arc with the compensation amount as the radius is inserted without an
intersection point calculation.
Compensation With G39 command
Outside
compensation
Inserted
arc
Inside
compensation
Inserted
arc
Single
block
stop
point
• The G39 command is unmodal. It is only valid for the specified block.
• Refer to tool radius compensation for details of tool radius compensation. (Page 183 Tool radius compensation)
5 G-CODE CONTROL PROGRAMS
124
5.6 G-Code
Format
G39 X x Y y
Coordinate command
Single block
stop point
Compensation amount
Compensation
amount
Without G39 compensation
Intersection
Compensation amount
Intersection Compensation
amount