7i96 Spindle Wiring

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6 years 8 months ago #158493 by dzawacki
Replied by dzawacki on topic 7i96 Spindle Wiring
A bit of searching on Amazon yielded this:
www.amazon.com/Xiangtat-Hobbywing-10BL12...hless/dp/B082SVKFS1/

It seems to meet the specifications that Tommy laid out.

Assuming this works, I guess my next question is what do I do with it? And what does it do? Is it wired between the motor and the 7i96 and the software and dictate when to turn the spindle motor on and off? Or is it wired independent of the Mesa card requiring me to manually turn it on and off? Either one is fine with me, I just want to know what I'm getting myself into.

I'll likely need some hand-holding, as most electrical work and motor control is usually outside of my wheelhouse.

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6 years 8 months ago - 6 years 8 months ago #158494 by tommylight
Replied by tommylight on topic 7i96 Spindle Wiring
Yup that is it.
It is nice as it has manual controls so you can use it as is manually.
It can be controlled from Linuxcnc but Linuxcnc outputs PWM or pulse width modulation, while that ESC uses pulse duration modulation, not the same thing, close, but not the same.
That would also require a big transformer !!!
Last edit: 6 years 8 months ago by tommylight. Reason: added more info
The following user(s) said Thank You: dzawacki

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6 years 8 months ago #158495 by dzawacki
Replied by dzawacki on topic 7i96 Spindle Wiring
You mean a big transformer like this one!?

:D

But knowing I can control it manually is good enough for me, for now.

If I haven't mentioned it, I bought this machine for cheap to get my toes wet with CNC-ing. No sense over engineering anything until I know I can stick with it.

I'll likely order this part then this evening and pop back in once I have it in hand so I can get some guidance on the wiring.

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6 years 8 months ago #158496 by tommylight
Replied by tommylight on topic 7i96 Spindle Wiring
Something is very wrong, i can not see anything that can handle 50A on any of the old boards. That PDF must be for something different, for sure.
Moving on, since this started to move laterally pretty fast.
www.amazon.com/Konmison-Cooled-Spindle-C...d=1582669804&sr=8-24
Can something like this work for you ?
Or can you source a different motor, DC brushed one, and old angle grinder with one part of the head removed, from an electric lawnmower etc etc ?

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6 years 8 months ago #158497 by dzawacki
Replied by dzawacki on topic 7i96 Spindle Wiring
Interesting, I cannot guarantee my Google searching found the correct PDF for that motor, but it seemed close enough. I am going to hold off on buying the RC ESC until I can better track down more accurate documents.

Unfortunately, that spindle will not work because the carriage housing on the gantry is fairly unforgiving in what it can handle. The diameter of the spindle is about 25mm, and I've struggled to find a suitable option to migrate away from the spindle that came with the machine for something that is a bit more easy to setup.

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6 years 8 months ago #158500 by tommylight
Replied by tommylight on topic 7i96 Spindle Wiring
Tomorrow, must go through everything once more.

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