We 3D Printed a Hammer that Actually Works

Рет қаралды 6,125

Жыл бұрын

Are 3D printed tools reliable? In this exciting video, we put the strength of a 3D printed hammer to the test. Discover how different design iterations of 3D printed hammers can withstand an array of rigorous tests.
This video addresses common concerns about the structural integrity of 3D printed objects and showcases the potential of thermoplastics when utilized correctly. From crushing soda cans to breaking cinder blocks, we push these 3D printed tools to their limits.
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Пікірлер: 32

@eslmatt811 Жыл бұрын

Cool demonstration of what can be done with pla. Understanding the design process and the small changes is really important to know. I do enjoy this series.

@slant3d Жыл бұрын

Thanks for watching

@McRootbeer Жыл бұрын

How about designing a 3d printed kick scooter? How you fit the bearings and designing it to flex instead of crack when put under sudden stress would be educational and interesting. Could make it a multi part series and do polls for different features (big wheels vs small, handle bar shape, what kind of brakes, etc.).

@slant3d Жыл бұрын

Interesting Idea

@bonovoxel7527 7 ай бұрын

TOP! I'd like it too!@@slant3d

@B0A2 Жыл бұрын

I would have loved to hear more explanation given to the orientation of the part and how that effects the strength of the design, maybe a demonstration of it was printed vertically and horizontally. You also mentioned a few times that there was stuff you could improve to make it more comparable to a normal hammer stuff like adding more weight to the head of it etc, I’d love to see those changes made. One question I had is would it degrade if used outside? I’ve heard that PLA melts or deforms if left in the sun for too long.

@bonovoxel7527 7 ай бұрын

Interesting but nothing missing or too much complementar to the video. Answering (tryn to, I'm not him of course), printing it vertically makes it prone to crack at the handlebar. And trussssme you don't want YOUR hammer to fail that way, ;) No other orientations appear to be possible for the shapes he showed. It is printed horizontally on one of the hammering faces, and the handlebar has to have supports. Even tho he hates use supports. He did show at some point a section of the actual hammer where you clearly see it containing a cylindrical enclosure filled with lead balls. You just have to pause the print at the right height, fit in the object in the void you designed it for, and restart the print so it covers all up embedding the object. Test tolerances to avoid having to force the object to snap in while on a leveled printbed or the nozzle hitting it at the resume of the print. PLA, but any print material has what's called in the TDS as "vitrification point" and that's the t° you set the printbed a lil'lower. After printed when the bed cools down, the material vitrifies under that point so it releases from the bed. We have PLA vitrifying (starting-to-soften) at around 55-65°C, then PETG at 70-80°C, and others above. (TPU is another beast). The first I think of to go cheap would be ABS which should be ok even above 80°C, but it likes moist and tend to delaminate, to split like dry wood literally, if printed without extra care (enclosed printer to say one, nonetheless for its toxic fumes). Most importantly, PLA has the best resistance to compression before having to disturb costly materials or fiber enriched ones. Yes it's different from impact resistance, in which ABS does great, but for some reasons... Mostly that's a proof of concept I suppose, they kept on PLA. PLA+ would have been an interesting choice. Also bc, as said, when thinking of a PLA hammer my worst concern was to see it snap-crack without yielding and fly around, but it hasn't happened. All these thing are subjects for at least 3 more videos which he already made, or someone else did, covering extensively and deeply the topic. For example about layer strenght and adhesion of different polymers you should check @ CNC Kitchen. I think this serie's topic is something that gives for assumed the results of those (and other people's) material properties investigations.

@stevencullen6261 4 ай бұрын

Just an idea but as far as a handle itself goes you could even add a hand guard to prevent people from smashing the hand on things its not common to do so with the hand thats doing the hammering but possible

@jaeichinger Жыл бұрын

I have a similar design I'm working on that has inset faces with a 7/16 thread inserted in the print. I'm welding threads onto a steel puck I cut from 33mm bar stock. I'm considering lead for extra weight but the steel faces already weight 12 ounces. In fact I think the faces are too heavy. A dead blow has its value in my job but having an affordable multi material faced hammer using a common bolt thread insert will be very hand. I have 33mm bronze copper and lead/tin pieces I'm looking to add threads too. My home made Cartesian heated chamber printer is going to do a great job in a quality ASA. My first hammers where all strong PLA with hand chopped glass mixed with jb weld filling the handle and head. They are surprisingly heavy and sturdy. Able to strike an 8 penny nail with no damage. Trim nails chipped the face. My thread insert is going to be floating. Held in place with a hard rubber washer on each side. This should prevent fractures over time. I have plenty of injection molded hammers that didn't make the cut. Fdm can produce better parts in the right conditions. Heated chamber printing so far has been my secret to a near solid product with pennies on the dollar in equipment cost because it's a hobby.

@lamMeTV Жыл бұрын

Crazy how quickly you ahve grown from 1000 subs to 24k

@slant3d Жыл бұрын

thanks. amazing what daily videos will do.

@CallmeSam00 Жыл бұрын

0:28 Amen to that! So many people do not get this.

@slant3d Жыл бұрын

Thanks for watching

@AerialWaviator Жыл бұрын

Great hammer design process and demonstration of designing for the material being used (0:28). The off-the-shelf bolt could easily be substituted with one that has a wider end surface area, or metal cap that screwed on the end. The soda/coke can demos need to employ unsealed, not fully pressurized volumes. LOL. Similarly failures will occur when trying to crush a pressurized plastic bottle with a metal hammer. Pressurized volumes are essentially as strong as rocket boasters able to withstand very high forces and stresses using the similar design technique of a thin lightweight thin outer skin with minimal internal structure under pressure for rigidity. BTW: Most modern rocket motor designs now rely on 3d-printing processes using metal alloys as the complex geometries required for high efficiencies are not possible with machining techniques. Sorry for tangent, but to some, 3d-printing is seems to be akin to rocket science. ;)

@slant3d Жыл бұрын

kzfaq.info/get/bejne/gNCCpMWmmprWZo0.html

@chrisdixon5241 Жыл бұрын

Interesting video, thanks for sharing! From a mass production printing point of view, I was expecting the hammer head would end up being square, or rectangular with rounded off corners, since the head shape doesn't really affect the function and a "box shape" would be easier to 3D print... Or am I off base in thinking that?

@slant3d Жыл бұрын

Round is always better than square

@chrisdixon5241 Жыл бұрын

@@slant3d Interesting observation. Noted, thanks!

@bonovoxel7527 7 ай бұрын

Just listen your printer makin up a square column compared to a cylindrical one. Then watch its different speeds if you're not convinced. ;) @@chrisdixon5241

@johansuh1 Жыл бұрын

This is good for camping.

@slant3d Жыл бұрын

Might be

@atomicsmith Жыл бұрын

Look at Martinez tools. They have several different modular hammer heads. Why don’t you try making an fdm handle and see if you can optimize it for real work. I think that might be a better design test. Also did you ever discuss the later orientation you chose and why?

@slant3d Жыл бұрын

The handles were never an issue

@atomicsmith Жыл бұрын

@@slant3d Sure in very brief testing. Hand it to a framer and see how long it lasts. Is this channel focused on 3D manufacturing real parts? This would be a test of a real part.

@daliasprints9798 Жыл бұрын

This is epic trolling-the-algorithm. "OMG that's so dumb!!!!! *CLICK*"

@slant3d Жыл бұрын

Thanks for watching

@Solo-Anarchist 11 ай бұрын

So you pounded in nails with a hunk of metal? With a plastic handle? Honestly, I was a little disappointed with the direction you took here, I was hoping to see all the different filament types actually being made into hammers (,not just a handle) and then tested . Obviously metal and plastic work.. since hammers are made that way already.