Machining a Compression Test Jig for 3D printed Infill Pattern Testing

CNC machining a jig for future compression tests of 3D printed infill patterns.

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[dotBAIT]

This is literally my new favorite channel, very detailed and that’s exactly what im looking for.

[jmtx.]

Thanks for sharing the construction of your testing jig! It’s going to be awesome to be able to test out just how strong all those different infills patterns and percentages really are. I’m very eagerly looking forward to your testings!

[WaltonPete]

Clever use of your existing test jig for a new purpose. I look forward to seeing some results!

[thesuperjed]

Hey Stefan awesome channel! You are so so thorough with everything you do, especially the 3D print tests!
A tip for smaller CNC routers such as yours- try a straight 2 flute carbide cutter on wood, you won’t get any of those annoying fibers on the top surface of softwoods and also no delamination of plywoods.
Keep up the great work 👍

[calvin]

I would love to see some performance comparisons between prints made from filament that has been stored out in the open, and filament that has been properly stored in a sealed bag with desiccant. If you do so, I suggest using color-changing desiccant so you know when it has been saturated. For now, just the basic two - ABS and PLA would be great. Cheers, and congratulations on the new rig.

[andrewsmith]

How do you think the carbon fiber composite filaments would do under compression? I have made some spacers and other functional items that are compressed with cf filament but always wonder if it is actually doing any better than less exotic filaments. Love the videos--thanks!

[edgardparra]

I love all your videos! Thank you for uploading them!

[avejst]

Wow, Nice project
Seeing forward to see the test results :-)
Thanks for sharing :-)

[supermerill]

Looking forward to see the result of the infill tests. Will you consider a 0% infill test (same-weight samples, so with more perimeters & top/bottom) ?

[gth]

Hi Stephan, and thank you for your work. With your instrument, could you map the compressibility curve of molten filaments? That data would be *quite* handy. Perhaps driving a piston into a known geometry crucible, or a driving a short stick of filament into a heat block against a dummy nozzle (collet blocks would be the tricky part)? I'm sure you have plenty of infill patterns and almonds to crunch on that thing, but known compressibility would sure help understanding of retraction and extrusion advance. Thanks!

[zolatanaffa]

very intresting Stefan!
see you to the next video.
byer

[JohnBentCopeMakes]

I would love to see this in action, like your tensile test video

[beaksfx]

Mach3 backlash compensation doesn't work that well. I turn it off because it makes the motion much less smooth. Smoothness is very important for adaptive strategies.

[melongarb]

Have you ever tested whether there's a difference in strength dependent on bed placement for your machine? How large is the temperature change across your bed platform at your default temperature?

[darkwinter]

Most miter saws (aka, chop saws) will cut aluminum without a problem with a suitable blade (tri-cut-tooth, or “TCT”, is typically recommended). Also, Evolution Tools makes a miter saw that will go thru mild steel...

[ikbendusan]

do you plan on expanding your metal work-capabilities? like getting a proper mill, converting it to cnc, using a 3d probe to find zeroes etc.

[androidcg]

Would like to see more CNC videos. Great

[MoreCharactersThanNeeded]

are your rigs open source (both the tensile and compression rig)? Like the plans and code or whatever you used. Would like to build one.

[aggronn]

and again a nice video and build. Keep it up!!

[allengregoryiv]

Do you have instructions posted for building your impact testing fixture/machine?