Control board question for CNC lathe with servo spindle

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06 Jul 2021 10:07 #213839 by PaulQUE
I starting to lean toward this option, but I'm also thinking that a 300$ second hand Hobbymat md65 lathe might not be the best lathe to spend twice that amount on electronics.

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06 Jul 2021 10:13 #213840 by andypugh
You can re-use the electronics on your next lathes, though :-)

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06 Jul 2021 10:15 #213841 by PaulQUE

Thank you for your answer, do you have a recommendation for a suitable board?
 
Not that familiar with parallel port breakouts but make sure you chose one that has inputs
suitable for your spindle encoder (most will have 5V signals) The common Chinese
"5 Axis Mach3 BOB" has 12V inputs
 

thanks for the information, I would not have thought of looking at the required input voltage otherwise. my yaskawa drive outputs an RS422 signal for the three wire encoder. The only breakout board I could find with 5v input signal is the C10, which, on the other side, does not feature 0-10V speed control, which I would like to use to control the servo spindle.

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06 Jul 2021 10:18 #213842 by PaulQUE

You can re-use the electronics on your next lathes, though :-)

fair point :)

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16 Jul 2021 14:12 #215058 by PaulQUE
Quick update, A jeulin 700 CE CNC minilathe has fallen into my lap, beautiful machine, with 4 position turret tool changer, ball screws, and linear guide rails, so I will definitely going with a 7i96 board. thanks for the advice

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