Old engraver to Grbl conversions
Hi all, planning to covert a pair of old engravers to grbl control. The first is a vanguard 7000 (which has a built in controller that I plan to remove). The second is a dalgren 300 also with a controller (but so old it's useless). The vanguard is a 3 axis but the spindle motor may have issues, the dalgren is 2 axis and maybe pneumatic z.
The vanguard Steppers are 2.5amp and the dalgren are 2.9amp so I think I should be fine running them with grbl via cnc shield v3 and the more powerful pololu (sp?) driver sticks. Add a 8.5amp 24v power supply and then reuse limit switches etc. I may also keep the spindle controls if possible.
Anyone work on similar conversions?
I'd like to keep it on the cheap and cheerful at the moment and I don't really want Mach 3.
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In case anyone is wondering, I'm the twin of the other gfacer on cnczone...