Corner Probing - What am I doing wrong? (RESOLVED)

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Racedirector
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Corner Probing - What am I doing wrong? (RESOLVED)

Post by Racedirector »

Hi all

Testing the outside corner probing and things aren't going well at all. What am I doing wrong?

Images and video of what is happening>
20200608_130832.jpg
Select outside corner, F1 for corner type, F2 for probe start
20200608_130821.jpg
As indicated on Acorn

I imagined it would probe in X, move around the corner and probe in Y but instead it moves in Y first and never finds anything!


What happens when I press cycle start

Report also attached

Any help would be greatly appreciated as I have to deliver this project tomorrow

Cheers
Bruce
Attachments
report_7804732D0D79-0325191807_2020-06-08_14-52-12.zip
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Racedirector
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Re: Corner Probing - What am I doing wrong?

Post by Racedirector »

I attempted to CSR testing and found the following

If I selected the long axis above movement was in the X axis direction according to the the CSR screen. So I placed the probe in the short axis (being my original X axis) The CSR action then worked correctly as the probe travelled in the X axis and produced a result.

What this means in terms of the corner finding I can't work out as I have tried literally every corner setting I can find without results. What this means I have no idea. BTW, this a a rouer not a mill so I am unsure what the orientation should be
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Re: Corner Probing - What am I doing wrong?

Post by tblough »

Look at the screen image on the first picture. Notice the probe position? You have selected to probe Y+ first, then X- (assuming your coordinate system is std. Mill). Press F1 Orient until the screen image matches what you want to probe.
Last edited by tblough on Mon Jun 08, 2020 7:31 am, edited 1 time in total.
Cheers,

Tom
Confidence is the feeling you have before you fully understand the situation.
I have CDO. It's like OCD, but the letters are where they should be.
Racedirector
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Re: Corner Probing - What am I doing wrong?

Post by Racedirector »

Thanks Tom

I have tried every variation known to man on this one without luck. Looking at image 2 above the long axis is X and the short axis is Y, has been like that through Mach 3 & LinuxCNC for around 5 years before I went with Centroid. Probing screens worked in both Mach 3 and LinuxCNC/Pathpilot using the same style corner probing routines. Only this time they don't seem to be behaving at all. Normal machining works as expected, I even got my job done using other means as I need to deliver in the morning (it's 9:02pm Monday here).

Not sure what you mean by RV Orient, is that some special key combination?

Cheers
Bruce
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Re: Corner Probing - What am I doing wrong?

Post by tblough »

Sorry typo. Should be F1. Centroid is not Mach 3 or LinuxCNC so no reason to expect them to operate the same.
Cheers,

Tom
Confidence is the feeling you have before you fully understand the situation.
I have CDO. It's like OCD, but the letters are where they should be.
Racedirector
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Re: Corner Probing - What am I doing wrong?

Post by Racedirector »

Using F1 puts the corner in the wrong place, I have tried every variation of F1 all day as well as F2 position.

I never said Acorn was Mach3 or LinuxCNC, I said those 2 pieces of software worked in probing corners whereas, with a router , Acorn does not. Maybe I should not be using Acorn with a Router, maybe I should get a Mill instead. I assumed that Acorn could be used with a Router and could be setup for any axis setting but maybe I am wrong.
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Re: Corner Probing - What am I doing wrong?

Post by Gary Campbell »

Acorn fully supports routers with either axis as the long axis, but here is what you must know: The X axis ALWAYS is left and right (+) and the Y axis is ALWAYS front to back(+). That is how the machine operates, so if your XY zero is not in the lower left corner, you may simply be standing in the wrong place!
X Gantry.JPG
Y Gantry.JPG
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tblough
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Re: Corner Probing - What am I doing wrong?

Post by tblough »

The graphics are all done with X+ towards the right, and Y+ towards the top of the screen. If you want the probe to move first in X+ on your MACHINE coordinate system, you need to have the graphic with the probe to left of the part regardless of whether it "looks" right for your machine setup.

You can create custom graphics (photos even) of your exact machine setup and replace the stock Acorn screen probe pictures.
Cheers,

Tom
Confidence is the feeling you have before you fully understand the situation.
I have CDO. It's like OCD, but the letters are where they should be.
Racedirector
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Re: Corner Probing - What am I doing wrong?

Post by Racedirector »

Hi Gary

My machine is sitting exactly like your first image even down to where XY zero is. This is why I do not understand what is going on with probing.

Cheers
Racedirector
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Re: Corner Probing - What am I doing wrong?

Post by Racedirector »

Gary, images of the machine as it sits and where XY zero is:
20200608_232701.jpg
20200608_232843.jpg
Tom

Your explanation of the graphic did wonders, I had to set the "corner" to the image below:
20200608_235538.jpg
Apologies for the previous rant, I have been frustrated all day with this and had to take the long way round to get a job done. Once you explained how the images are defined I tested and it worked based on the second image in my first post. I had my finger on the cancel button the whole time it was moving. Now that I know I will attempt to recreate the images so it matches my machine.

Cheers
Bruce
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