Gallery, Projects and General > Project Logs
Oh Blimey I bought a CNC Lathe !!!!
awemawson:
Still awaiting spares so a bit of photographic documentation:
First the cleaning up, then the tidying up of wiring
awemawson:
Next I need to work out what this little board does. It is labelled 'UMSHALTUNG' which I think means switchover or changeover which would make sense as it seems to take in the 1024 and 90000 point spindle encoders and route them to the CNC controller and the AC servo drives - if you look carefully at the cabinet photos, there are two of the little beasts, and they don't seem to feature in the wiring diagrams.
mattinker:
--- Quote from: awemawson on March 15, 2013, 06:26:21 AM ---Next I need to work out what this little board does. It is labelled 'UMSHALTUNG' which I think means switchover or changeover which would make sense as it seems to take in the 1024 and 90000 point spindle encoders and route them to the CNC controller and the AC servo drives - if you look carefully at the cabinet photos, there are two of the little beasts, and they don't seem to feature in the wiring diagrams.
--- End quote ---
Ausgang = Exit (ouitput)
Impulsgeber http://www.dict.cc/german-english/Impulsgeber.html
Regards, Matthew
awemawson:
Thanks Matthew.
I'd rather assumed the orange two pin connector was power coming in, but assuming it's powered down the 'Honda' connectors from either the NC controller or AC servo then probably it in fact drives the little opto coupler to its left. The other chips are data selectors and line driver receivers. So I reckon probably it just acts as a multi-pole switch routing one or other of the encoders as required. I know that when the main spindle is acting as a 'C' axis it uses the 90000 line encoder and a lower powered (2HP) servo motor, and when used as a conventional turning spindle it uses the 1024 line encoder and the 18.5 KW motor.
Andrew
sparky961:
Enjoying this thread so far, thanks. Keep up the progress reports!
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