M19 orient help

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20 Oct 2020 16:07 - 20 Oct 2020 16:26 #186704 by COlger81
M19 orient help was created by COlger81
Is there a M19 orientation guru that can help me out. This is the last piece of the puzzle to run lights out on my converted Fadal 3016L. I have come close a couple of times but still have yet to get M19 working. I do have the diagram that somebody posted but i'm still struggling with implementation.
Last edit: 20 Oct 2020 16:26 by COlger81.

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20 Oct 2020 16:15 #186707 by COlger81
Replied by COlger81 on topic M19 orient help
Also, i'm using a Hitachi WJ200 VFD.

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20 Oct 2020 17:50 #186716 by Henk
Replied by Henk on topic M19 orient help
I have done it on one machine a couple of years ago.

I would suggest that you first check if the drive is capable of controlling the spindle at slow speeds reliably down to 0 rpm and that it can hold that position with reasonable torque if there is no mechanical brake or lock.

The one I did was an old DC spindle drive that can react like a servo for orientation, still relying on orient and pid comps from LCNC

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20 Oct 2020 19:02 #186727 by COlger81
Replied by COlger81 on topic M19 orient help
The best it's going to do is about 1 hz, which is 30 rpm. It does have a mechanical lock.

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21 Oct 2020 05:36 #186789 by Henk
Replied by Henk on topic M19 orient help
I dont think orient component will help you in this case. Can you tell us more about the sensors on your spindle and how the mechanical lock works?

Is the lock a plunger that enters a groove on the spindle, Is there a proxy or a limit that detects when the plunger has entered the groove?

Sometimes there is a proxy that signals when the plunger is close to the groove? this could be detected by spindle encoder as well though

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