Comments (3)
Right now you have to do it manually. Record the probe location. When there is a tool change, do another probe and record the new probe location. Then, send Grbl the tool offset between the two probes with a G43.1 command.
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Thanks, I have found this post (it's your post)
- Insert your first tool.
- Move to a fixed probing location to determine the z-location of the tool tip. People often use G38 and G30 commands to move there, and usually use a touch-plate of some kind to touch off the tip of the tool.
What is the command to issue the probing, G38.1 ?
- Run the job until a tool change.
- Insert the next tool.
- Move back to the probing location (via G28 or G30) and determine the z-location of the tip of the new tool.
- Calculate the z-position difference between the first tool and this tool.
- Send Grbl a G43.1 command with that difference.
- Run the next part of the job until the next tool change.
- Rinse, repeat, and always calculate the z-position difference based on the first tool location.
Carlo
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See link for probing g-code commands supported by Grbl.
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