Joe2006 Build

[sdantonio]

Back in grad school we had the Silver Surfer and Spiderman. Not bobbleheads, but they served well to protect the instruments while we were not in the lab. They work too!

[dighsx]

I had joked to some friends that I wanted a cnc machine I could ride on. Which gave me the idea of having a mascot. But it really was a great way to test the loading of the leadscrew.

[joecnc2006]

Jay, I have to complement you on your build, I like when someone takes the basic machine and adds more ideas and incorporates slight improvements to it. I look forward to seeing it in action and cutting, I believe you can start making some alumn parts with it also. I hope you enjoy the machine and it performs well for you like mine has.

Joe

[dighsx]

Thanks Joe that's really nice of you to say.

Just checking my eye things really seem to be tight and I'm really wondering how much (if any) final dialing in I'm going to need to do. Once I move it to it's final resting place I'll start really checking it and see if any shimming needs to be done.

But it's a great design, my hats off to you Joe!

[dighsx]

My new steppers came today and they're looking pretty cool. They're a lot bigger then I thought they'd be. Now I need to machine some mounts for them. Anyone got any brainy ideas? I originally was going to just add a plate onto my NEMA 24 mounts to allow me to bolt the NEMA 34's to them. But I'm wondering now if that'll be strong enough.

I’ll take a shot or two of the new motors and post them.

[joecnc2006]

I would use some metal studs to support the Nema 34's remeber you will have more torque than the nema 23's that what those mounts were designed for, you could add a top and bottom plate to strengthen them, then add the adapter plate for the nema 34's.

[dighsx]

Here's a shot of one of the new steppers. They weigh just a little over 7lbs.

[sdantonio]

Jay,

Nice motor, looks similar to what I just picked up. I had the chance to strip down a working - scrap instrument at work and pulled out a set of 4 nema 34, 650 in-oz pacific sciences steppers (with encoder for whatever good the encoder will do). I'm still at a stage where I can add a half inch or so to the upper end on the gantry sides to attach the steppers into (already drew it up). Do you need a file for the .5 bearing supports. I drew that up too for the 34 size? I drew then up in Rhino, I make no promises that they will convert correctly nto another CAD.

Joe, thanks for the suggestion of the metal posts. I was thinking of going that way.

[dighsx]

Do they make a Rhino CAD viewer? I don't have RhinoCad.

[Jason Marsha]

Steven,

What type machine did you strip down to fnd those nema 34's ? (if its ok to tell me)
I have been limited to nema 23's from the copiers I have stripped.

Jason

[sdantonio]

I did the conversion and it looks loke it worked this time (as my Dad used to tell me frequently, "it helps if you read the instructions". It's remarkable how much good advice the old man used to give me)

On the gantry side, the only modification is that the head is enlarged just a bit to accomodate the 2.67 inch OC placement of the bolt holes. Other than that it should match up exactly with Joes drawings.

[sdantonio]

In the dwg labled nema34 ignore the innermost hole, it is just the .5 in shaft. I just drew it in as a center and then forgot to erase it