Touch Plate

With this installation, I also tried the touch plate function. It’s visible that after probing the touch plate, the program sets the Z value to the height of the touch plate before executing the retract. This causes the retract value to be added, and the resulting height above the object is correct.
Unfortunately, the program then subtracts the length of the current tool, which in my case is not useful.
Is it possible to disable this behavior?

Thank you very much for your support.
Best regards,
Klaus

Hello,

Since you don't describe your detailed workflow, it's difficult to answer correctly.
There may be an offset entered in the tool table, but it's not actually necessary, since the tool length doesn't matter with this procedure.
For my part, I have put together a few routines that do a manual tool change with automatic measurement.
The whole thing assumes that there is a tool in the spindle at the beginning, regardless of whether it is actually used or not, and that this is measured and then used to measure the workpiece height.

I hope I'm doing this correctly.

Many greetings, Frank

Hello Frank,

thank you for your Answer.
I am using FreeCAD for CAD and CAM. FreeCAD always usese the tool table to set the tool offset after changing the actual tool (M6 in the g code). So I wrote my own script for dynamic tool change, that writes the measured tool length into the tool table. FreeCAD can use it than after Tool change within the g-code.
For getting the z-level I change to any tool (M6 Tx), that starts my Script to measure the tool. After that I want to touch the plate. The program works fine until it substracts the tool length as its last step (if i would add the tool length from tool table again, i have the correct value for the hight fof my tool above my workpiece.

Perhaps you have an idea for that issue?
Many greetings from Germany, Klaus