Joe's 2006 R2 build - HDPE or MDF?

[asciutto]

Hi there,

I'm continuing to research more into the 2006 R2 CNC build, but have a question. Is it possible to make the CNC entirely out of HDPE? Rather, is it recommended? I thought I read somewhere that it could cause extra back lashing/binding if I made it entirely out of HDPE.

If I only make parts of it our of HDPE, which parts are MDF? I assume most of the torsion boxes, but the gantry's and carriage are entirely HDPE, correct?

Thanks for reading!
Anthony

[ger21]

Look at the bottom picture here. Kits & Plans
The majority is MDF.
I think the biggest problem with using all HDPE, is that you can't glue it together.

[asciutto]

Thanks for the quick reply!

[gumppy]

Originally Posted by ger21 Look at the bottom picture here. The majority is MDF. I think the biggest problem with using all HDPE, is that you can't glue it together.

Perhaps there is a solution for an all-HDPE Joes 2006.

Check out the TAP video on PolyWeld at YouTube

[cpy911]

Hi all,
Is there a list of which parts are MDF and which are HDPE somewhere?

Thanks!

[jckstrthmghty]

Originally Posted by gumppy Perhaps there is a solution for an all-HDPE Joes 2006. Check out the TAP video on PolyWeld at YouTube

you could do it but wouldn't make any sense. MDF is used for it's economy factor. That much hdpe would not be cost effective considering the 80/20aluminum builds. Imagine how much that much plastic would weigh?

cpy911, motor mounts, z-axis, router mount, and gantry bearing adjustment block are hdpe. Joes site has the plans where you can examine all the parts.