ACU-RITE CNC 3500i - Manual (Page 416)

390 11 G-Code Edit, Help, & Advanced Features
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Tool Offset Modification
You can modify a tool diameter or length offset in the program without
using the Tool Page. This is useful when rough-milling a profile where
cutter diameter compensation requires different diameter definitions
for the same tool to step the width of the cut. Tool modification can
be either temporary or permanent. To make it temporary, choose not
to update the Tool Page. To make it permanent, choose to update the
Tool Page.
Temporary Format: T1 D.5500 L-1.1000
 Changes Tool 1 diameter offset to .5500 and length offset to
-1.1000. Do not update the Tool Page for Tool 1.
Permanent Format: T1 D.5500 L-1.1000 H M6
 Changes Tool 1 diameter offset to 0.5500 and length offset to
-1.1000. Updates the Tool Page for Tool 1 to entered values.
D and L values are absolute and replace the previous offsets. They are
not added to existing offsets. The H command instructs the 3500i to
update the Tool Page offsets to the programmed values and must
come between the M6 and the D & L addresses, if an M6 is required
by the tool change of your machine.