New Project with Mesa 7I96 and THCAD-05

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13 May 2021 04:33 #208693 by TexasCNC
I have it set to inches but when I go to axis scale calculations the pitch has it as mm/rev trying to put that inches

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13 May 2021 04:34 #208694 by phillc54
Use the one below it, Threads Per Inch

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13 May 2021 04:50 #208695 by TexasCNC
My pitch on my other machine was set to .5305 inch. And 848.8 steps so I divided that in half and and entered it on the stepper scale and did a test and put it at 1 inch and that seems to be right there. Going to calculate scale and trying it on tpi didn’t work. But now I want to move the axis 1 inch on the GUI but forgot the command to move the axis 1 inch.

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13 May 2021 04:51 #208696 by phillc54
assuming the X axis, G0 X1

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13 May 2021 04:55 #208697 by TexasCNC
Got it yeah it didn’t move 1 inch it moved several more. And I changed it in the wizard wondering if it made the changes when I saved it?

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13 May 2021 04:57 #208698 by phillc54
There is a "Test/Tune" button in the Axis screen of PnCconf so you can check it there rather than starting the GUI up.

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13 May 2021 04:59 #208699 by TexasCNC
Yes I did that and tested it going 1 inch and it did go 1 inch but before it had a different number cause like said before I converted the pitch .5305 inc to mm and entered it on there and it was not right.

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13 May 2021 05:03 #208700 by phillc54
It is best to use the same units rather than convert.

I "think" in the test page when you say one inch it acually move plus one inch then minus one inch so it is really twice the distance.

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13 May 2021 05:08 #208701 by TexasCNC
Well at 848.8 it was moving 2 inches one way and 2 inches the other when I had to move only 1 inch so I cut in half on the steps and now it moves 1 inch one way and 1 inch the other way. But how do I know on the ini files that it took affect on the change I made?

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13 May 2021 05:12 #208702 by phillc54
The value it has in "Stepper Scale" in the "Motor" pge in PnCconf should appear in the .ini file as [JOINT_n]STEP_SCALE

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