My Grizzly G0619 mill

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08 Oct 2022 00:38 - 08 Oct 2022 00:40 #253722 by my1987toyota
Replied by my1987toyota on topic My Grizzly G0619 mill
I just got finished shooting video of the repairs to my stepper drivers. The Z axis was the most tricky
it turned out I had burned the 270 ohm resistor for the optoisolator the resistor had a value of
45-50Kohm yikes. Once I replaced that the driver worked fine. I had also purchased a new KL8060E.
Since I now have a spare stepper driver I will install it as well so if I want to use one in the future I
can drive a 4th axis.
Last edit: 08 Oct 2022 00:40 by my1987toyota.
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09 Oct 2022 23:44 #253831 by my1987toyota
Replied by my1987toyota on topic My Grizzly G0619 mill
Well editing took longer then expected. Is it just me or has the internet in general been
really slow today. I will have part 2 out later this week in the meantime here is part 1.
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10 Oct 2022 01:00 #253839 by tommylight
Replied by tommylight on topic My Grizzly G0619 mill
Watched it, nice.
But, the Z drive did not work, so check the opto again for soldering mishaps or cut vias.
Overvolting the opto will not destroy anything else, granted not exceeding the isolation voltage that is very high.
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10 Oct 2022 01:46 - 10 Oct 2022 10:57 #253841 by my1987toyota
Replied by my1987toyota on topic My Grizzly G0619 mill
tommylight  I actually got the Z drive working. It turned out to be a cooked current limit resistor
inline with the optoisolator.( it specs at 270 ohm but it tested at 45-50 Kohm )
though I will admit I never used the ENA. circuit with the mach 3 controller so it is possible
that it never worked on the Z drive anyway.
In PT.2 I don't show myself actually doing the repair too simple and boring
Plus dealing with matters concerning hurricane Ian. LOL . I do however show that the drive is
once again operational.
Last edit: 10 Oct 2022 10:57 by my1987toyota. Reason: adding info

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10 Oct 2022 10:40 #253857 by my1987toyota
Replied by my1987toyota on topic My Grizzly G0619 mill
And here is part 2.
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14 Jan 2023 20:17 - 14 Jan 2023 20:18 #261979 by my1987toyota
Replied by my1987toyota on topic My Grizzly G0619 mill
Boy time flies. It's hard to believe it's 2023 already. I had taken about a month to upgrade my
Anodizing line to make it more user friendly and more automatic. I can now get to work (5:30am) and
the tanks are either already at temp. or will be so when it's needed. On the G0619 I built most of
the external wiring . So I figured the next step was to cut out the I.O. plates . Unfortunately I ran into
an issue with my Autodesk Fusion 360 software. I sent a couple of DXF files to a company that does
water jet / laser cutting only to have the finished job be twice the size I had specd ( not their fault ).
Frustrating to say the least , more so at my self for not catching it and fixing it before I had sent it out.
Oh well it's always something.
Last edit: 14 Jan 2023 20:18 by my1987toyota.

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14 Jan 2023 20:35 #261980 by rodw
Replied by rodw on topic My Grizzly G0619 mill
That sucks. I always send a pdf drawing of the part with any DXFs we send out.
It might have let you blame them and not wear the recut!
Also the F360 DXF workflow I use is to:
1. Create a flat pattern and flatten it If sheetmetal
2. Add a new sketch on the flat pattern  or surface of the part if not sheetmetal
3. Now in the tree, right click the sketch and save as DXF
4. Create a sketch showing outer dimensions and dimensions to any fold lines
5. send the pdf and dxf to supplier..
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15 Jan 2023 17:19 #262049 by my1987toyota
Replied by my1987toyota on topic My Grizzly G0619 mill
  I figured I would post some pics. for people to get a laugh at. The one I set a DB37 connector on just to
give a sense of scale compared to the cutout it was intended for . The other I put an Mpg Pendant on
to again show the over-sized scale.


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15 Jan 2023 21:46 #262070 by rodw
Replied by rodw on topic My Grizzly G0619 mill
Ouch! and you paid money for that?
And it does not even seem to be a metric thing!
Send a dimensioned drawing with it next time! Or build a plasma table!
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15 Jan 2023 22:19 #262074 by tommylight
Replied by tommylight on topic My Grizzly G0619 mill
Hmmm, did you pay for the small ones or large ones? :)

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