Making and Testing a New Woodworking Joint
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- Опубликовано: 14 июл 2021
- In this video we make and test a new kind of woodworking joint. And thank you to Squarespace. Head to www.squarespace.com/foureyes to save 10% off your first purchase of a website or domain using code FOUREYES.
This video is a little different in that I didn't build a finished piece of furniture, but rather tested out a new joint to see if it would be a viable option for eventually building a piece of furniture. In the video we document coming up with the idea, testing out the best way to produce and clean up the finished joints, and then finally we strength test it to see if, and for what types of furniture it could work.
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The author does like to ruclips.net/user/postUgkxkNYRBJuiJ6EwD-tQSAlxg0eFKsnR2cgz from scratch, shaping and trimming wood from large blocks into fine finished products. As another reviewer mentioned, most projects require a lot of high-dollar equipment that most of us don’t have the room or budget for. But, knowing how to do these things, even if we won’t be able to practice the full stack project, is still great.
Very cool experiment, but I think a better test would be to apply a constant weight over a period of time and increasing little by little until reaching the point of failure. This will approximate real life conditions better than a sudden impact at the highest point of leverage.
Agree - this test may have been more a test of brittle breakage versus stress.
Gradual increase in pressure over time is more realistic than a sudden impact? You obviously haven't met my kids!! LOL!!
Lol. It’s funny because I was going to say unless you practice WWE moves at home, but deleted that part of the comment 😂
Isopropyl alcohol is your best friend for removing hot glue, it basically takes its adhesion away and I generally apply it with a q-tip but just make sure it’s soaked works like a charm!
You never know what to expect from a Four Eyes video. Not just from the woodworking aspect but from a production standpoint. Love, the reality tv style presentation. We never really see Chris doing his thing behind the scenes.
Thanks. We're definitely planning on showing more of those moments.
Good experiment. Last break proves that although the beginning of the break was forced at the corner of the epoxy piece, it eventually ripped at the wood-epoxy joint. But it does seem like the epoxy is adequately strong for lighter applications.
The Applebee's was funny, but the infomercial was straight fire. Loved the video.
Trying something new, with the sort of candid audio? I don't hate it
Yeah, we went for a more "documentary" style with this one :)
If Chris does this again, a standardized way of testing would be nice. Maybe put the leg in a vice and put a small platform on top. Them stack weights
Great experiment, Chris. Try one with the inside rounded instead of sharp. That would lessen the stress riser at that point.
Bill
Good call. We were thinking of doing this same thing, and then using templates more like our normal workflow. Might have to play with that. :)
What about doing one with a joint that starts out kind of like a domino but tapering the sides out a bit like an internal dovetail?
That was exactly my thought, too. Even though there are more optimized geometries (depending on load direction) a large circle with a polished surface will decrease the risk of crack formation. Interestingly, the splinter table broke at the exact same spot.
The heat master joke was straight halarious lmao.
Glad you enjoyed :)
Love the impromptu format.
Long brass screws through the invisible joints wood look sexy, and more than likely make the joint much stronger. Installed before the pour for resin clarity.
How about drilling some 1/16" holes in both pieces and using polished stainless rods to bridge the gap, then filling with epoxy. This "re-bar" would make the joint stronger and might look cool too.
IIRC, fibreglass and epoxy have the same refractive index as each other, so you added a handful of fibreglass strips in the void before pouring the epoxy, they should theoretically disappear in the resin, but add a grain for added strength. Probably wouldn't improve the wood to epoxy bond. Don't quote me on it, I am not an epoxy surgeon.
I thought of two things you might try to increase the joint strength:
1) use a key bit to go down, then create a channel the epoxy will flow in so that it is inside the wood acting similar to my second recommendation, but with only the corner showing; or
2) Use a dovetail joint, so that the epoxy is not just on the corner, but within a channel in the wood also.
It seemed the epoxy broke right at the connection to the wood itself. So making it inside a channel could greatly strengthen the joint, thereby allowing for a sturdier product while also giving the look being pursued here.
In order to assess the load capacity of these joints, you would have to have a real form piece i.e. wood on wood joint of EACH style. Domino, mortise and tenon, edge surface to edge surface etc, in order to have a proper control subject. Only then can you accurately assess the load capacity of each. Start by increasing wait in increments of your choosing until the control joint fails and apply that same “to failure”process on the epoxy joint.
You guys are inspirationally creative and the new content format is a huge success IMO. Please never stop being true to yourselves and the community and keep pushing the envelope. Great work!!
Weight
Great to see you experimenting & having fun. That should always be a part of workshop activities.
Very fancy boomerangs sir!
😂I almost peed my pants during the epoxy infomercial
Some found it funny, others didn't....just all depends. :P
Greetings from Australia. Love your work and channel.
Love your channel Chris! Your take on shooting and editing together those segments are very compelling. It's unique and quite refreshing. And so is your personality, your humor. Love it :)
thanks for the video.
It is a nice idea.
Try next time to machine a angled domino from clear acrylic on your CNC
and then cast that part in Epoxy.
This might create a stronger joint
Thanks for the tip!
watch this video in the middle of the night, and don't forget to use your headphone. Listen to those crispy feeling sound noises that come from the hot glue gun. Damn, that makes me feel so good.
Love that style of video from you guys, thanks, keep it up.
Try spraying your mold with poly vinyl alcohol. You won't need to use a chisel to separate the part from the mold.
I like this format
Supper cool look and idea! Just though you could screw the legs to a table top and test them in a more realistic scenario... Standing, or dancing on the table... Then as the first breaks you replace it with a vertical leg until the last standing...
Plus it would be a good excuse for me to get to dance on camera more :)
Breaking stuff for s living sometimes. For the next time what you could do is clamp part of the leg, not including the joint part, and then using a string and someway to fasten weights, continue loading the other part of the leg with increasing weights. Then you know which mass was required to break the joint.
Definitely enjoyed the "behind the scenes" style on this one.
Cool. I love empirical evidence and the process of testing in and of itself is fascinating to me. Thanks.
Glad you enjoyed it!
Hey Chris, enjoy your videos lol. Something on epoxy for other experiments. treat the wood first with a small amount of epoxy, then, give it a light sanding before you do the actual pour. this would prevent the bubbles. As someone that loves to work with epoxy, I freaking enjoyed this one (especially the informercial lol)
Good tip...thanks Miguel, and glad you enjoyed :)
You have inspired me with many a table build, now something new to try!
Go for it!
Looking super cool.
Thank you! Cheers!
Great video. Is this how you guys work together everyday? Just messing around. Looks fun. Wow, how deep do you go? Not just filming a fake commericial but filming the concept of the fake commercial. So entertaining. Mahalo for sharing! : )
I loved this video style!
Aw is was hoping for a mini Four legged table then you stand on it... great idea and a great video :)
Definitely want to try this design feature. It looks very cool.
Go for it!
Embedding some glass fiber would make the joint a lot stronger. You could link that with domino recesses. The fiber would be invisible in the result.
U guys are amazing. Good humor, good skill etc. Thanks for the inspirations . U guys seems like a combination Of Pro Woorworker, Pro cameraman ,and Comedian at once
We are definitely all of those things...but definitely far from pro at any of them :)
Always good. The small table design looks great. I wonder how much stronger the table leg joint would be as a a single piece instead of joineried together?
loving that Air Jordan push-stick....
I now have an urge to make epoxy and wood boomerangs.
I was talking about making a boomerang the other day :)
@@Foureyes.Furniture Don't worry - it'll come back to you...😉
Based off the thumbnail I came here to see you make a boomerang. Instead I get to see you break potential furniture legs.
Just when I thought I had achieved immunity, you two start putting glue into ear worm fast food jingles... actually laughed out loud, you guys got me again.
And love the experimentation too. Cheers!
Would your joints be stronger if you were to drill / gouge out domino holes and allow them to be filled with the resin materials.? Interesting educational experiments. Thanks for sharing this insightful video. Wishing you and your family a blessed new year. Peace brother
in the epoxy experiment, you had to make domino holes in the wooden parts so that the epoxy would flow into them. This would have greatly increased reliability.
I really enjoy when you do these types of videos, but I thought the filming style was a little distracting. Keep up the good work though!
I think for something small this could work well with thick acrylic cut to form mortise and tenon joints instead of casting epoxy… just as an alternative.
I really like this idea though.. perhaps in the right situation you could get the epoxy/acrylic to be truly invisible with the right lighting… some cool levitating shelves or a small “magic” end table.
I think the concept of "invisible joints" is interesting. I wonder if you couldn't achieve the same look with acrylic. You could use mortise and tenon joint with it and use a draw pin dowel to pull the joint together. I believe the acrylic would be stronger.
Hi, I follow your channel since you used the garage at home, I am an admirer of your techniques. I would like to leave a tip that maybe can improve the strength of the pieces. Try to machine a pit simulating a domino by filling the space with epoxy between the two pieces by forging an anchor between the two ends and making a single piece with a contact area of 95% more.
Sorry for the English, I used google translator. Olá, acompanho seu canal desde que você usava a garagem de casa, sou um admirador das suas tecnica. Queria deixar uma dica que talvez possa melhorar a resistencia da peças. Tente usinar uma cava simulando um domino, ao preencher o espaço com epoxy entre as duas peças forjando uma ancora entre as duas extremidade e tonando uma unica peça e com uma área de contato de 95% a mais.
Desculpe o inglês, usei google tradutor.
I was thinking maybe a floating spline would be stronger? Kinda like the epoxy with the domino mortise only with a spline groove in either leg piece
Definitely...and might look cool
Isopropyl alcohol is your best friend when it comes to cleaning up sticky resin residue. Or just sticky residue in general.
No engineer know about this for sure.
You just become an engineer for this topic, minus testing with a numeric result.
Engineer need to test them when their is no code and regulation to follow with.
Good job man.
Would be awesome to see a test where you set up a jig to hold each leg in place and you pack weights on each of them, to see what strength the joint is. Can they take a toddler standing on a coffee table? Or maybe strong enough to hold an adult sitting on the table.
I'm wondering if the bubbles took away some of the strength. If you ever do any more experiments, try popping the bubbles with a torch, or maybe put the epoxy in a pressure pot before pouring. Loved the vid, though.
Good call. I'm sure it did weaken it a bit.
RTR
Very cool look, and would be very fun if proven feasible. Maybe consider testing by clamping it to a table and then measuring the force to pull it apart.
Yeah, I was going to rig something up, but I got lazy
@@Foureyes.Furniture just like the rest of us! Thanks again, this has me thinking ideas for a current project where some appearance of floating would help.
I LOVE the design, but wouldn’t an acrylic piece be a better solution than an epoxy pour? Tenon both ends of the spacer into mortises in the wood. Any milling can be polished to a glass sheen with Novus polishing compounds (or other brands). It would be definitely stronger, remain clear as long as epoxy and probably cheaper. My 2 cents,
You could see matthias wandel's videos about testing wood joints and glues, i don't recall if he tested epoxy or not
Cool experiment to test the strength of joints for comparison. What if you embed high strength metal within epoxy? Would the joint be stronger?
Do you think you could do this experiment again with some kind of glass fiber reinforcement? I'm not sure if there's a good reinforcement medium that closely enough matches the epoxy's refractive index, however.
Cool joint, but I really think you should have tried a bit more to come up with a way to test it with a more consistent load. I've seen many videos by Matthias Wandel / Woodgears where he tested joints and he used basic things like a bathroom scale.
From my Australian sensibility, if you’re a Cubs fan, I can understand why you’re able to see what unfolds from a process when you’re not at all assured of a positive outcome. It’s a Cubs fan thing, right? 🤣 Go Sox!🥳
You're my new favourite channel. I am wondering though, the Song headphones, are they good at cancelling out machine noise (saws and sanders etc) when working?
I wonder if dowel holes or biscuit holes in the joint for epoxy to fill would also add strength?
That was sick, Chris
Loved the epoxy removal service ad btw XD
Does acrylic show through resin? If not, what about using some short acrylic rods as dowels into the wood and the resin?
I like this style of video! It's cool to see how you worked through the problems in "real-time" not to mention this is an interesting experiment. Floating TaBar coming soon!!
I'm in!
What if you cut holes or ridges into the wood surface that the epoxy adheres to so you can dramatically increase the surface area and directional variety of the adhesion? Cool video as always.
Would the joint become stronger if you drill a few dowel holes or cut domino mortises in the wood and let the epoxy fill them, rather than a simple butt joint? I'd be really interested to see if this is a good solution to make this a viable joint for slightlt heavier applications, without ruining the visual effect.
Adding fiberglass would make it a ton stronger and still keep it transparent.
Chris - you and Mattias Wandell should get together and he could SCIENTIFCALLY test strength. Maybe you could make the joints and he could test them for you?
lumber rack build video please
we definitely need one. Not sure if it'll be video worthy
Could you try a long dovetail joint in the wood and buy a piece of acrylic instead, give it the receiving dovetail joint and glue it in (or not) and see if that is stronger? Should be faster too as no need to wait for it to cure
Laser cut a template to router the inside corner of the leg? It won't have a crisp edge, but a rounded inner corner is stronger than a crease
I think you should drill some hole in the wood side then fill it with epoxy. It may stronger.
When cutting on your table saw you don't seem to produce sawdust or there is none apparent on the saw table even though you show no dust collector. How do you do this?
Do it the same way but at the end of epoxy from the both side must be tenon and mortise in the wood..
I was wondering when you were gonna break the legs on that other table! Been a while since that video came out haha
Tienes buenas maquinas amigo y tienes bien gusto con esos diseños
Gracias amigo. Tus palabras son muy amables. Te lo agradezco.
What type of wood was it? Is it k own to be waxy? Is it a dense wood? I think epoxy will hold to a non waxy wood or one with more porosity so that the epoxy might soak into the wood. Not sure if warming the epoxy a little would help it to penetrate would change things. Sure, too much heat could set it off too. I would put each part in a warm bath to help thin it a little
If you were going for documentary/ found footage (Blair witch shaky), you nailed it. Personally I like your more "produced" videos.
not a big fan of the reality tv style editing, but like the joint idea!
A side table with epoxy legs or base would be a great floating piece.
This is really cool but it would be great if you made a simple testing setup to measure impact force
Your pushblock is cool
You destroyed the splinter console legs?!? It was beautiful 😭😁
I wouldn't call that an accurate experiment, but it could give you an idea.
It's a good idea for something that only has to support its own weight and a little more.
One ting that i noticed on this video is that you have some leakes on the vacum line hanging on the wall. I honestly think that the hot glue you used to hold the pieces in place would seal them pretty well. 😂
Talk about gimmicks, I can see right through this one! Appreciate you and your content!
I see what you did there :)
they exhibit other resins besides the epoxy. test with vinylester and softer but adheres better
maybe if you make a hole on both side, filled with epoxy will make that joint harder
First I still think that you put the holes on each wood part before casting epoxy but you are not. Try with add holes like you make hidden joints on each part and cast again @chrissolomone. Hope that the beding was not loose this time.
I like this new style of video. Simple ☺.
Also, I've noticed you speak more distinguished with your beard. I'll be curious to see if that changes once you shave it off 😂
Maybe try it with fiberglass flakes ?
What next? Epoxy half-lap joint? Epoxy castle joint? Expoxy dovetail? Tongue and groove?
All of the above :)
How do you afford all this Walnut and where do you source it from?
Hi foureyes community, i've been designing my own interior design pieces for some time now and just got into building some of them, I wanted to capture the process and share it here! I just uploaded my first YT Shorts showing one of the mirrors i built, have a look and please leave a comment with some thoughts for future videos :D much love!! (ps if you're reading this Chris, just wanted to let you know that your channel got me in to wood working and i must say I fell in love with it right away - so thank you so so much, you're the best)
Do like the rougher video style. How about more of this with some old school "David Attenborough" voice over hybrid-ish. But on the content side: keep it up! Have been feeding my burgeoning "when i have time in the weekend maybe" wood stroking hobby for quite a while now. (should probably spend less time on youtube...) oh and something else. My one car garage also needs a lumber rack...(project?!) Thanks, and greetings from the Netherlands
Mi amigo una consulta en cuanto metros cuadrados esta armado su taller
about 250 square meters...I think .
Chris: "If its got melamine stuck to it, I'll heat it off" Me: TAKE MY MONEY. 🤣🤣
I'd love to see an epoxy bridle joint.
I'm not opposed to it.