Mazak QT10N retrofit

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20 Jan 2023 01:00 #262449 by Ashley
Mazak QT10N retrofit was created by Ashley
Hi thereI'm planning to retrofit a QT10N using Mesa hardware. It has a Mitsubishi TRA8 servo amplifier which drives both X and Z axis.It uses encoders as well as tach generators but I'm not sure how the tach generator is used or how to integrate it with Mesa/Linuxcnc. The tach generator signal appears to go to the NC rather than to the drives. Do I need to emulate a velocity signal? Im also having trouble figuring out the amp wiring.Servo wiring diagram attached.Help and advice appreciated,Ashley
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20 Jan 2023 02:48 #262452 by tommylight
Replied by tommylight on topic Mazak QT10N retrofit
Mitsubishi or Fanuc control?
For TRA8 no worries, i have already figured out everything.
The other wiring is a big undertaking, so get a lot of coffee ready, took several days chasing blue cables around, above, under, and inside the machine! :)
First thing, check if it has encoders or resolvers. If resolvers, find info about those and post here to confirm if they can be used or not. I had to remove mine and mount incremental encoders.
Here is something to get you started:
forum.linuxcnc.org/show-your-stuff/32784...-15-retrofit?start=0

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20 Jan 2023 02:59 #262454 by Ashley
Replied by Ashley on topic Mazak QT10N retrofit
It's a mitsubishi control. I was fairly confident I have encoders but now you've got me concerned. (I had a skim of that thread you posted).
 
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20 Jan 2023 18:49 #262515 by tommylight
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24 Jan 2023 23:42 #262844 by Ashley
Replied by Ashley on topic Mazak QT10N retrofit
Hmm I'll start working on getting encoders fitted up in that case.

Thanks for your help tommylight
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25 Jan 2023 00:40 #262849 by tommylight
Replied by tommylight on topic Mazak QT10N retrofit
You are welcomed, always.

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