Work with probe

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6 years 6 months ago #163835 by MetalByter
Replied by MetalByter on topic Work with probe
Hi Muscats, probe screen should do a manual tool change.
however right now my setup probe screen will not work.
manual tool change in linuxcnc will not work.
I can disable probe screen and linuxcnc will do manual tool change.

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6 years 6 months ago - 6 years 6 months ago #164678 by Roguish
Replied by Roguish on topic Work with probe
hey all.
I've just been experimenting with the Tool Length Probe routines.
Unfortunately no success. Errors with references to '.....axis_2... not found'.
I don't have numbered axes. All axes are referred in the .ini as AXIS_X, AXIS_Y, AXIS_Z. Not numbers.
Checked all the sample configs installed with linuxcnc, and only a few have numbered axes. Mostly in the orphaned category.
Checked all the ProbeScreen files (macros and .py) and sure enough, several calls to numbered axes.

Anyone see the same problem?
Any fix or easy work around?

Other than that I really like ProbeScreen and use it for all my edge setting and center finding.
Last edit: 6 years 6 months ago by Roguish.

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6 years 6 months ago #164691 by Muscats
Replied by Muscats on topic Work with probe
Hi Roguish,

I assume you are using LinuxCNC 2.8 or 2.9? this is due to the change in LinuxCNC 2.8 to Joints and Axis to allow for Gantrykins/Trivikins.
There is a fork of the original Probe Screen on GitHub that has the changes for 2.8 github.com/GuiHue/probe_screen_v2
The following user(s) said Thank You: verser

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6 years 6 months ago #164878 by Roguish
Replied by Roguish on topic Work with probe
wow. THANKS.
I seriously thought I had the latest files. Guess not.
Have now updated. Haven't tested yet but did look at a macro file (probedown) and it's has AXIS_Z.
thanks again....
back to testing.

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6 years 5 months ago #167842 by choppter
Replied by choppter on topic Work with probe
@verser: Thanks for the nice screen and sharing it for free!

I do not use a probe but use the contact between the tool and the work piece as the trigger. In addition I have touch probe mounted in a corner of my table for the manual tool change.
The various measuring buttons work as expected. Really nice job!

But I did not find a description on what the sequence is to make the Remap M6 work? I assume I have to measure the first tool in the job prior to starting the job. But when should I touch-off and what do I need the block-height for? I Tried several things (including to understand the G-Code macros :-) but failed. Sometimes the tool is at the same height after the manual change, sometimes way off.

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6 years 5 months ago #167897 by Muscats
Replied by Muscats on topic Work with probe
@choppter.
I use a probe, though I suppose you could do it manually, however, to do it manually, you would need to set the tool setter height and the workpiece height using the same length object

the process I use is as follows:
under Remap M6
Set the tool setter height
Set the work piece height

In the probe section
set the X,Y zeros
Set the Z zero

run the job and it should stop to change the tool and then measure it

I believe the way it works for tool length compensation is it works out the difference between the height of the tool setter and the height of the workpiece, then when you run the job it measures the length of the tool against the tool setter, then it can calculate how long the tool is.

the key is that it uses the same thing (for me the probe) to measure the tool setter height and the height of the workpiece.

hope that makes sense
The following user(s) said Thank You: verser

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