CNC-2116 - Up and running, sort of (2015-03-21)

Main > Project Announcements

<< < (2/49) > >>

Yvan256:

--- Quote from: drventure on August 14, 2011, 11:18:07 am ---Looking forward to this thread. I've wanted to do the same thing, but don't really have space.

Maybe after you're build, I'll find space :)

--- End quote ---

A small CNC that can cut 10x10 inches panels wouldn't be much bigger than a big desktop laser printer.

Yvan256:
Here's a small preview of the design, the X and Z axis are pretty much done and I only need to finalize some details about the Y axis. The goal is to keep it simple to cut and build to minimize the errors and alignment problems.

Yes, the bearings will be grinding the aluminium angles, but since I will only be using the machine a few hours every month at most, it shouldn't become a problem for a relatively long time. This design also allows easy replacement of the dual skate bearings with v-groove bearings without having to re-cut any panel.

nox771:

--- Quote from: syph007 on August 15, 2011, 10:48:11 am ---Glad to see you start this thread. Im in Canada too and have been wondering how hard sourcing parts will be. Can I ask where you found your steppers?

--- End quote ---

If local sources don't work for you there are a couple places I know of:

http://www.kelinginc.net/index.html - I got some heavy duty steppers from this place (I'm building an aluminum extrusion CNC). They have the drive electronics also. Good place for heavy duty steppers - not cheap, but durable.

http://www.allelectronics.com/make-a-store/category/400/Motors/1.html - I ran across this place recently, they are always sending me mail (I'm in the US btw), but I never really checked them out. Finally one day I did - out of their whole site the motor section looked most interesting to me. Turns out they have a lot of small motors, and quite inexpensive also. Some look pretty good too, like these:
http://www.allelectronics.com/make-a-store/item/SMT-119/4-LEAD-1.8-DEG-STEPPER-MOTOR/1.html
http://www.allelectronics.com/make-a-store/item/SMT-363/4-WIRE-STEPPER-MOTOR/1.html
I haven't bought from these guys yet, but if I were to make a tabletop sized CNC I might try them out.

Yvan256:

--- Quote from: nox771 on August 18, 2011, 02:13:45 am ---Some look pretty good too, like these:
http://www.allelectronics.com/make-a-store/item/SMT-119/4-LEAD-1.8-DEG-STEPPER-MOTOR/1.html
http://www.allelectronics.com/make-a-store/item/SMT-363/4-WIRE-STEPPER-MOTOR/1.html
--- End quote ---

Just to simplify your life, unless you're buying the stepper drivers, get motors with 5 or 6 wires. The 4-wires motors need a completely different driving method. And as I mentioned above, try to get 5v or 12v motors so you can easily find power supplies for them.

Yvan256:
Trying to optimize the panels on a standard sheet of 4x8' while also trying to minimize the number of cuts required. Panels are colored for easier comprehension. Also shown is the aluminium angles and 3' threaded rod.

Navigation

 Message Index

Go to full version