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They are regular sealed skateboard bearings -- I put them like this:

locking nut - Bearing - washer - Bearing - Washer - angle iron - Bolt

the angled ones look cool, but I was on an extreme...

I used a new set of skateboard bearings. $10 for 8. I tried used ones, but they were wobbly.

That was many generations ago. I have a more modern version in a video on my website Tiki Builder -...

I bought one of these easy-cnc boards from ebay. It was shipped fast, and it was easy to hook up and get running.

I am having problems with my motors freezing, but I am pretty sure the cause is...

http://www.hamiltonartspace.com/cnc.jpg

Torch -- it's a beast of a home made cnc plasma cutter, no blueprints, no kits, mostly made from scraps, except used plasma cutter and ebay controller and...

wow, that's a bit large.

http://www.hamiltonartspace.com/logosmall.jpg

Here's an image that I converted with image 2 cad and lazycam. The gcode that I created works, but I would be interested in seeing what emc2 does....

I have been reading this thread and others like it, and posted a few times for suggestions. I killed 2 pcs with my old esab 875 high frequency arc. Didn't know at the time what was happening. I added...

I am learning all this stuff slowly, with only the Internet for help. So far I have built a cnc plasma cutter, convinced the pc to talk to it (fried 2 boards trying),
got the torch to run on the...

I hope I am posting this in the right place.
I built a cnc plasma cutter, and it works reasonably well, except one major problem. When I connect the torch switch to the relay, it works for a few...

I'm running a lightobject controller on a home made table. It works just great when I run a manual torch switch. When I hook the esab cutter remote switch to the relay, it works if the piece has only...

Well, I tried, maybe even more than most. I was trying to run my cnc plasma cutter with mach3 and a mc433 controller. I still haven't abandoned the idea, but for now, I am using a lightobjects...

It's a more than a year since these folks have posted the mc433 / mach3 problem. I didn't do enough research and bought a mc433 about 2 weeks ago. I previously was using a lightobjects board from...

Not sure if posting to an old thread is effective.... I just finished building a cnc plasma cutter. I have been cutting out bears from a file I downloaded - works great. Now I want to take images and...

I am building a plasma cutter CNC from as much used material as possible -- not only because I have no money, but also because I like to reuse stuff. I have to admit, I have been cheating lately.
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I a newbie here. I am trying to make a cnc plasma cutter. I do metal sculptures for reasons yet to be discovered. I had this idea to make my own plasma cutting cnc since I can't afford to buy one. I...