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18-04-2019 #12
Hi Voicecoil, thanks for your help.
By "raised side rail" Im guessing you mean something like Washout's machine (https://www.youtube.com/user/CCWashout/videos). Doing this seems to trade gantry weight for base weight, which sounds like a good idea for general performance but doesn't that just put more weight on the already heaviest section when it comes to transportation?
I needed to hear this, even if I didn't want to! My best hope I think is to rely on modular design so I can dismantle the base into components for transportation purposes. At least then I know I won't find myself stuck somewhere.
I appreciate that advice. I am not an arch top builder - just carved tops for me. I use everything from angle grinders to French curve scrapers to fashion my tops at the moment - inconsistency in wood density and fibre is par for the course. I can't speak for Mike Vanden, only for myself, nor can I put numbers to any of my naive expectations, but I will continue to assert that I do want this performance for my top carving: https://www.youtube.com/watch?v=LLNeA1oUCGc
Sounds reasonable. I think I need to spend some time comparing torque curves. Whilst I'm comfortable with HT voltages from my valve amp work, Clive's talk of NEMA 34s and HT voltages is freaking me out from a complexity point of view.
I've just read about ClearPath servos, is that what you mean by closed-loop? I'm starting to understand there are a few more shades of grey between stepper and servo than I'd initially thought.
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