Fehlmann Picomax 50 CNC conversion/refurb

[Clive S]

Using a motion controller is night and day difference. I don't want to get into the Mach3 V Lcnc I use both. But If you say do a feed hold in Mach3 and it is in a cycle it won't stop until the cycle is finished with Lcnc it will stop immediately.

I you decide on the Lcnc route with steppers you would need a Mesa 5i25 or 6i25 (pci or picx) and a 7i76 bob that would give you at least 34 input and output, 5 axis 2 encoders. spindle control, 24V inputs differential signaling etc.

edit: You could also just use a 7i76e if you want an ethernet version without the 5i25 etc

Lcnc is a steep learning curve but it is a rock solid system. It will do what ever you want.

I think you said you had 4mm screw if so I don't think you can go much faster rapids with a nema34 I think the max motor speed would be 500-800 rpm.