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01-09-2014 #21
I bought SY60 (Nema 23) motors, M752 drivers, and a nominal 68V linear power supply from Zapp. The drivers are analogue, and became obsolete a few months after I bought them. I would use digital drivers these days. There's all the info you need on this forum to do the calculations to find the best choices for a particular machine but when you've done that, looked at what's available, and assuming that you're building a typical machine capable of handling about a quarter-sheet of ply, then you'll probably end up with something similar.
I would not recommend going down the route I did, MDF, threaded rod from Screwfix, etc. I ended up with a machine that has been a source of frustration ever since I bought it. Getting good quality work out of it is slow and tedious, and I have probably wasted as much time as I should have spent doing it right first time. Plenty of learning opportunities, but not the way to go if you want to get directly to a good, useful, machine.
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