[crimar]

Hello!

I have a 3D printer and i wanna build a CNC.

Would ABS printed parts be strong enough for a Z axis? With 20% Infiil?

Any experiences?

[Tkamsker]

Depends what you want to cut i think Foam or Light Plastik May be possible but Try it and tell US

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[dick cnc]

Hello!

I have a 3D printer and i wanna build a CNC.

Would ABS printed parts be strong enough for a Z axis? With 20% Infiil?

Any experiences?

I would say no you need a lot of strength for cutting. I have designed and built 3-D printer and small CNC Mill lathe and router. The only thing that you be able to cut would be Styrofoam and even that wouldn't be that good

[crimar]

Okey.

My plan was using plywwod for most of the CNC. Gantry, support and bed. Just print out parts for the CNC axis for the accuarcy it gives.

I may print, then reinforce it with fiberglass and cut new parts for the Z axis out of plywood.

[tjb1]

Why not 100% infill?

[crimar]

Because it will days to print the parts :/

[tjb1]

You need a faster printer.

[awerby]

This could work for some small router parts, if you printed them in PLA, then invested, burned out, and cast the parts in aluminum. But routers (that are any good, anyway) don't have any plastic parts that I can think of.

Andrew Werby
computersculpture "dot" com

[Tkamsker]

crimar i agree with awerby milling even wood will be complicated.
So even if you have a lot of mechanical knowledge and calculate the perfect form of all the parts you need. i think it is not worth the efford. or try it and show us the result
thomas

[crimar]

Okey.

I did contact a local mechanical shop, but the prices they demanded for some simple aluminum pieces was sky high.

I am gonna try print the parts and reinforce them with fiberglass, then the first cut will be a new parts with plywood.