Acu-Rite CNC 3500i User Manual

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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.