off line and no wood chips - Page 2 - Router Forums
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post #11 of 16 (permalink) Old 11-02-2019, 01:43 PM Thread Starter
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UPDATE.

Got Mach 4 loaded and the system is functioning. Had to make some cable changes.... and the Mach 4 screen seems functional, but it has some readability issues. Seems to have loaded funny on my laptop.

Avid called late on Friday and walked me through the problem had encountered. Or the final problem About 10 problems that had to do with me.... and one that was on them. Had a single instruction step that was wrong for Mach 4. and that kept it from working. going to have to play with screen view stuff to get the interface how I want it.

But I like the features on Mach 4. Test runs starting in a few hours. will advise.

Yes, John I saved all my files and had them backed up. But the fix on the laptop took me through a complete reset on it , so had to dump all the software I had loaded, Aspire, Mach, Z Brush, etc.

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post #12 of 16 (permalink) Old 11-03-2019, 12:17 AM Thread Starter
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more updates.


So the machine carves. But broke some parts yesterday. it seems that the Mach 4 reverses some Motors so my X axis became one of my Y Axis motors. so jogging almost tore the gandry off as one side was idle the other side took off, as will as the X movement.

So corrected that. but now the Z is carving at exactly half the depth that it is supposed carve.

So profile cuts that are supposed cut one inch deep and displays that it is cutting one inch deep only cuts 0.5" deep. Same for 3 d runs. Suppose to cut to 0.6" deep, says its carving to 0.6" deep but actually carving to only 0.3" deep,

Looking at motor settings now, but don't know much about step settings. ANy wizards out there???

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post #13 of 16 (permalink) Old 11-03-2019, 06:42 AM
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Ouch!! It's been awhile since looking at Mach, but I would bet that your Z axis stepper resolution settings are wrong. They (Avid) have probably changed the pitch on the Z axis ball screw or motor since you bought your machine.

David F might be a good source as I believe he is running Mach 4. If no one else chimes in with a quick response, let me know and I would be happy to try and help you figure it out.

I would bet that the counts per unit value in the Motors Config tab are exactly half off.
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post #14 of 16 (permalink) Old 11-03-2019, 01:12 PM Thread Starter
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Balloon Engineer got me back on track. need to tweek some motor settings Monday, but waiting for AVID to give me the exact write setting..
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post #15 of 16 (permalink) Old 11-03-2019, 08:33 PM
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Scott - did it have anything to do with your x and y being wired opposite when you first made the machine?
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post #16 of 16 (permalink) Old 11-06-2019, 08:44 PM
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You should be able to go to the settings tab and then look for the Axis Calibration (Set Steps per Unit).

Click on this button and then choose the Axis you want to tune. You'll then have a screen open that asks you how far you want to move the Z Axis. After you hit OK it will move the Axis and then ask how far it moved. enter in that number and the the system will calculate the number of steps for your axis.

Do this several times to fine tune your system. You can move positive or negative by putting a minus sign in front of your number.

By spending some time you can tune your system to about .0001 accuracy.

Hope this helps.
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