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oh also, on the "preloading" for removing backlash, in ballscrew/nut, I was under the impression that there was pressure on the entrance and exit points that the balls were pressing against...

I don't know if anyone has given any confirmation on this or not, but I have seen that all of the rolled acme I have, has this line too, and the inner area of the poorly rolled ones, from zoro tools...

I know I am kinda late to the game and still need to go back and read from page 10 to this one, but I thought I would pop in and say, if anyone needs help getting one of these machines sorted, I have...

If you have someone not quite as knowledgeable on electronics, another solution is to use a 12v fan but use an external powersupply for just that fan and just turn it on as soon as you plan to turn...

oh and to the original poster I forgot to mention my thoughts on the PCB work, which is to just burn off something that has coated the PCB and then acid etch through the burned away material, which...

lol no its kanji like text like the movie matrix used for the digital "rain" sort of effect, I was cutting it and the punisher skull to make this for T-shirts, though I discovered that air brushing...

I know I am late to the party but this seems to be my life in general lol. On the 40w CO² laser vs a 445nm (or even a 405nm) one huge difference is going to be what you can cut, sure it (blue laser...