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A 100% 3D Printed Linear Snap Action Mechanism.

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A 100% 3D printed linear snap action prototype mechanism for an upcoming project.
As the name implies, the snap action in this mechanism is linear. The slide (yellow) travels between two leaf springs (white) positioned in the base (green). When operated, the cams compress the springs until the cams reach just over 50% of the designed travel length, at which point the slide snaps to the full travel position.
A rotary snap action mechanism (requiring a metal spring) is here: • A 3D Printed Rotary Sn... .
Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.7.0, and 3D printed in PLA on Ultimaker S5s.

Опубликовано:

26 авг 2024

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Комментарии : 208

@syber-space 3 года назад

I'll have to make some of these to have around the classroom to show students different mechanisms for tactile feedback. Always a fan of a good click.

@popzct 3 года назад

Hi Nicholas, Thank you for teaching! If you need any help, let me know! Greg

@popzct 3 года назад

For you: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-X6JtrShQIwo.html. Follow the link in the description for the files. Greg

@syber-space 3 года назад

@@popzct Aww, thanks so much! I'll definitely be making use of this! You probably saved me an hour or two messing around in F360.

@TheTsunamijuan 2 года назад

I like the retention choice on the springs, never though of making my spring assemblies like that. Definitely don't have to worry about the print degrading like a poorly built living hinge, in this setup.

@popzct 2 года назад

Thank you, I'm glad you enjoyed it! Greg

@reinux 2 года назад

Could you explain for a layman what you mean by retention choice? I was wondering if this might be affected by degradation in the long run, so I'm curious as to how this design avoids that.

@TheTsunamijuan 2 года назад

@@reinux The pins holding the springs in place is what I meant by retention. If the spring was actually physically part of say the base, Even with part of it floating. It would likely fatigue over time. Mostly he avoids it by making the springs a complete separate component. Rather than letting the allure of all in one designs, (that are so tempting with a 3d printer) creating a longevity issue. Hopefully that answers your question :)

@reinux 2 года назад

@@TheTsunamijuan Ahh you mean the white parts. Got it, thanks 👍

@FederalMenace 2 года назад

Just leave it on the car for a day to see how quickly it fails

@keldricharts 3 года назад

Cant wait to apply this to some of my prints. I think this would really make them more functional and secure.

@popzct 3 года назад

Thanks Keldrich, I hope the model becomes useful in your work! Greg

@ejoojoo 2 года назад

love the mechanical sound it makes, will definitely integrate this to my next project!

@popzct 2 года назад

Thank yo Junior Tan, I hope your next project is successful ! Greg

@kurtlindner 3 года назад

This is great! Talk about rising to the challenge. 👍👍

@popzct 3 года назад

Thanks kurt, I hope I didn't take too long... :) Greg

@XSR_RUGGER Месяц назад

This is a sweet and simple double action mechanism. If I were to give it a name I'd call it a threshold double action mechanism.

@popzct Месяц назад

Thank you, I'm glad you enjoyed it! Greg

@joell439 3 года назад

Wow - very clever. Love videos like this that help opens the mind. Definitely deserves a subscription and I’m looking forward to see your other content. Thanks for sharing. 👍😎👍

@popzct 3 года назад

Thanks Joel, I'm glad you enjoyed them! Greg

@HudsonGTV 2 года назад

You could definitely turn this into a momentary switch if you add a return spring.

@popzct 2 года назад

That is true HG, very nice observation! Greg

@3printed 2 месяца назад

I am working on something and infact i was looking for a locking mechanism, thanks for sharing this.

@popzct 2 месяца назад

Hi 3printed, Your are very welcome, and that is exactly why I publish! Greg

@gnamp 2 года назад

I love it but can't immediately think of a use for it.

@popzct 2 года назад

Hi gnamp, Thank you. I used it in a mechanical reversing mechanism: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-63Xepe7xMpw.html. Greg

@gnamp 2 года назад

@@popzct I'll buy that :)

@gabedarrett1301 2 года назад

Gotta love a good compliant mechanism

@popzct 2 года назад

:) Greg

@antoniomiranda2359 2 года назад

Mount a magnet to the central area of the mobile part and you have a perfect magnetic reed switch which can also be used in waterproof applications.

@popzct 2 года назад

Great suggestion Antonio, thank you! Greg

@alexanderakerhjelm170 2 года назад

thats a really clean, simple solution, well done!

@popzct 2 года назад

Thank you very much, I truly appreciate it! Greg

@andrewgoss1682 2 года назад

Super cool; this is very similar to the mechanism that gives the Nintendo Gameboy that beautiful click on the power button. All models I believe.

@popzct 2 года назад

Thanks Andrew, I'm glad you enjoyed it! Greg

@realgalactic 7 месяцев назад

you could position the moving thing right in the middle and then you can use it to see if a parcel has been dropped or something like that

@popzct 7 месяцев назад

That is correct! Greg

@LoveMakeShareTV 2 года назад

This came up in my recommendations and it's applicable to like three projects I'm thinking about! Thanks for sharing!

@popzct 2 года назад

You are very welcome, glad it assisted you! Greg

@lrwerewolf 2 года назад

The next-video overlay covers substantial portions of the end text.

@popzct 2 года назад

Sorry. Greg

@peanutbutter3578 2 года назад

Wow great switch mechanism

@popzct 2 года назад

Thank you! Greg

@Lemonz-418 2 года назад

That is very satisfying to hear. I was not expecting asmr clicking.

@popzct 2 года назад

Thanks Lemonz-418, I’m glad you enjoyed the sound it makes! Greg

@Cohencjh 2 года назад

I made this exact mechanism with metal and use it as a little latch on my offroad lawnmower hood just because I thought it was cool

@popzct 2 года назад

Great, and thanks! Greg

@Aquavita- 2 года назад

Most people: thinking about how useful this’ll be for projects Me: thinking this would be such a nice fidget toy

@popzct 2 года назад

I have one on my desk and do just that with it! Greg

@andrematheus6500 2 года назад

Bro literally made a damn good light switch SFX

@popzct 2 года назад

Just a 3D printed linear snap action mechanism. Greg

@Alluvian567 2 года назад

Great mechanism. with a little playing with tolerances this could be made print in place as well I believe.

@popzct 2 года назад

Hi Alluvian, Thank you very much! In this model, the distance between the ends of the leaf spring expands as the spring is compressed, so they need to be free to move. Greg

@ZelphTheWebmancer 2 года назад

A transparent cover would be really cool to secure the mechanism while still showing inside. Anyway, very simple and cool mechanism.

@popzct 2 года назад

I published this open frame design: www.instructables.com/100-3D-Printed-Linear-Snap-Action-Mechanism/ for that very reason. And thank you very much, I’m glad you enjoyed it! Greg

@makerspace533 2 года назад

I like it. It would be a great teaching project.

@popzct 2 года назад

Thank you very much MakerSpace, I’m glad you liked it! I published the files awhile ago here: www.instructables.com/100-3D-Printed-Linear-Snap-Action-Mechanism/ Greg

@samuels1123 2 года назад

I still wonder how those latching buttons work Push button in, clicks into lower position, push again, extends to higher position

@tseawell90 2 года назад

it’s a peg that runs on a track. There’s a small valley in the upward section of the track the retains the peg until it’s pressed again.

@reinux 2 года назад

Just printed one. Holy shit this thing is satisfying.

@popzct 2 года назад

Hi reinux, I’m glad you enjoyed it! Greg

@tinymints3134 2 года назад

God dammit is that how those work? That's so clever! I used to think about how they worked in my car's blinker switch all the time, I'd try to think up mechanisms and the like. But I never found one that seemed plausible. I gave up eventually, I also never understood how the spring pens worked. But this makes since as a cheap, durable, and effective solution that's also easily adjustable for the use case. Man, whoever (or whichever team, I'm sure) thought of this must be proud of themselves

@popzct 2 года назад

Hi Tiny Mints, Well it’s how this one works. I used this design in a mechanical reversing mechanism. I needed something simple and high duty cycle. it worked for my design, but I’m not sure of other applications. I hope you enjoyed it! Greg

@kurtnelle 3 года назад

Yeah, ok. Subscribed.

@popzct 3 года назад

Thanks Shawn! Greg

@patrickmaartense7772 2 года назад

any stl? I would love to use this for a push pull functional part for my flightsim project

@popzct 2 года назад

Here's the version I published: www.instructables.com/100-3D-Printed-Linear-Snap-Action-Mechanism/. Greg

@patrickmaartense7772 2 года назад

@@popzct Thank you !

@peekpt 2 года назад

Nice. You could attach a Perpendicular pole to mimic a spst switch

@popzct 2 года назад

Thank you very much! Greg

@GertGybels 3 года назад

simple but great!

@popzct 3 года назад

Thank You! Greg

@truegret7778 2 года назад

Stupid, ridiculous, worthless YT ads pop up and block the vid. Great job!! Thanks for sharing.

@popzct 2 года назад

Sorry True Gret, with my YT license I have little to no control over the content or placement. Greg

@truegret7778 2 года назад

@@popzct No, I know .... I wasn't complaining to you.... sorry about that [;^( Sometimes my thoughts get to my fingers and they fly out. My apologies. Great design. I've tried to do something with compliant devices, but haven't been all that successful. I am hopeful you are able to at least get some revenue from the ads - you actually have content with value ... cheers

@popzct 2 года назад

Hi again True Gret, The apologies are mine, and I thank you for spending your time watching my videos! Greg

@erfuellte-ehe 2 месяца назад

absolutely loving functional assets like those. do you share the STEP flles somewhere?

@popzct 2 месяца назад

Thank you! Greg

@starkosaure7833 2 года назад

Good idea! Thx for sharing it!

@popzct 2 года назад

Thank you very much, and you are very welcome! Greg

@waterfoker8558 4 месяца назад

AMAZING!

@popzct 4 месяца назад

Thank you! Greg

@Jkauppa 2 года назад

nice one way valve idea

@Jkauppa 2 года назад

just make the form non-symmetric

@popzct 2 года назад

Thank you! Greg

@fekbutchers 2 года назад

i suggest not putting a title card of another video of the text you want us to read

@mechanicalengineering476 2 года назад

Very smart. Good work.

@popzct 2 года назад

Thank you very much, I'm glad you enjoyed it! Greg

@RGS-xy9jz 3 года назад

What materials are best for snap fit moulding? Any idea please suggest

@amateurbuilds682 2 года назад

I’m new to the 3D printing hobby. What’s the purpose of this?

@popzct 2 года назад

Hi Amateur Builds, This model was a test for a mechanical reversing mechanism. Greg

@eklhaft4531 2 года назад

Suggested videos are covering the text.

@yash1152 3 года назад

0:06 the coin is for reference of size right??

@popzct 3 года назад

yes, it is.

@HamguyBacon 2 года назад

you can make a handle at the top and make a normal switch.

@popzct 2 года назад

That is correct. Greg

@AdrianCeroni 2 года назад

Cool gadget. You need to keep the subtitles up for longer though.

@popzct 2 года назад

Thanks Adrian, it is a challenge with subtitles, some say they are too long, and others say they are too short. I'll try to be better! Greg

@SomeRandomPiggo 2 года назад

awesome! might have to print one for myself xd

@popzct 2 года назад

Here are the files and instructions: www.instructables.com/100-3D-Printed-Linear-Snap-Action-Mechanism/ I hope you enjoyed it! Greg

@dnettoRaw 2 года назад

I think this can be a low cost Z switch for bed leveling with automatic retract

@carpark1414 2 года назад

That's actually not a bad idea. If the point of snapping is consistently precise then this would have potential

@victornpb 2 года назад

too much backlash, and sensitive to temperature variation

@pelufaz8435 2 года назад

what a nice little toy

@popzct 2 года назад

Thanks. Greg

@terat1227 2 года назад

I wonder if someone could build a strong reliable snap action cross bow.

@ElderSign32 2 года назад

the forbidden tenga

@GuardianAngle93 2 года назад

Use that on a drawer to keep it in or our.

@BetterWorldEcosystems 3 года назад

great channel

@popzct 3 года назад

Thank you Marios, I'm glad you enjoy it! Greg

@Bob_Adkins 2 года назад

Appears robust, very reliable, and should get a very high cycle count. I hate modern switchgear, it's just too small and delicate.

@popzct 2 года назад

Hi Bob, I've employed this device in a mechanical reversing mechanism which to date is still running and has cycled over 100,000 times. Greg

@Bob_Adkins 2 года назад

@@popzct Not surprised at all!

@nepdisc3722 2 года назад

this man 3D printed a quarter

@popzct 2 года назад

:) Greg

@ja-no6fx 2 года назад

How do you determine how much clearance is needed at the eyes of the springs for them to compress?

@richardmillhousenixon 2 года назад

I'm going to guess you don't. By leaving the eyes partially open you let them move and bend however they need to to compress in the space provided

@popzct 2 года назад

Hi j a, Given the arc radius, endpoint offsets from the arc center, and the maximum compression of the arc, a few simple trig equations will derive that answer (hint: by compressing the spring, the arc radius grows). Greg

@ja-no6fx 2 года назад

@@popzct Thanks. I don't think I'm aware of any trig equations that deal with arcs. Could you elaborate please? I'm not great with math yet.

@popzct 2 года назад

Hi j a, The endpoints on the snap shaft compress the leaf spring. The amount of compression is determined by the length of the snap shaft endpoints. When the leaf spring is compressed by the snap shaft endpoints, the end points of the leaf spring expand thus the radius of the spring is enlarged. The trigonometry involved is in calculating the snap shaft endpoints and the ends of the leaf spring as when compressed, the end points extend causing the radius of the compressed leaf spring to increase. I hope this helps! Greg

@kopharaoh9171 11 месяцев назад

Do you know if this can be 3d printed in one piece without assembly? And do you know if it possible to stack more layers of these on top of each other, to allow the yellow piece to travel through multiple humps?

@popzct 11 месяцев назад

Hi kopharaoh9171, Here is a one piece version 3D printed in TPU. They can be stacked. Greg

@jestempies 2 года назад

Wouldn't it make sense to print the leaf springs together with the base? You could make cutouts for them, for example. Although your solution is very simple and makes a great sound :)

@popzct 2 года назад

Hi Michal, When the leaf spring is compressed, the distance between its endpoints increases, thus the spring must float freely in the base. Greg

@jestempies 2 года назад

@@popzct How about if the spring was only attached at one end?

@popzct 2 года назад

Hi Michal, With one end fixed the mechanism would work but with asymmetric snap points. Greg

@suparnobolang3685 Год назад

Aku suka video ini sangat bermanfaat untuk menambah ilmu saya terimakasih videonya kak... 👍👍👍

@PianoMastR64 2 года назад

Can you design a version that can't get stuck in the middle?

@popzct 2 года назад

Yes.

@ZiotechVideos 2 года назад

Why don't you add the model to Thingsverse so others can print it?

@popzct 2 года назад

Hi Ziotech Videos, I closed my Thingiverse account a few years ago as they did not have the staff to enforce their license agreements. I did publish it here: www.instructables.com/100-3D-Printed-Linear-Snap-Action-Mechanism/. Greg

@psalmsfarmerkitcat9304 3 года назад

what if it stops in between

@popzct 3 года назад

Keep pushing.

@psalmsfarmerkitcat9304 3 года назад

@@popzct okk thanks

@avanigarg951 8 месяцев назад

can i use this mechanism to create a stoppage for telescopic mechanism pole?

@popzct 8 месяцев назад

Hi avanigarg951, That I do not know, it world greatly depend on the mass the device would be supporting. Greg

@avanigarg951 8 месяцев назад

Ohh okay. It would be used as a support pole. A person would be exerting quite a large force on it (around maximum 80kg weight). Any idea if this mechanism or what other stopping mechanism could be applied in such a case?

@popzct 8 месяцев назад

This mechanism would work for your requirement if created in aluminum with spring steel. Greg

@ben_jammin242 2 года назад

Hi, is the flexible part PLA or something more elastic? Many thanks!

@popzct 2 года назад

Hi Benjamin, The flexible part is Ultimaker Pearl White PLA. I test a few spring thicknesses to obtain the action I desired. Greg

@lunalgaleo1991 2 года назад

This seems like it'd make a good fidget... 🤔

@popzct 2 года назад

Hi Lunalgaleo, I keep one on my desk! Greg

@lunalgaleo1991 2 года назад

@@popzct Cool!

@XiaZ 2 года назад

It would be nice if he showed something to grab scale on, not that I'm complaining or anything.

@popzct 2 года назад

My thumbnail is 15mm wide. :) Greg

@the_dietcam 2 года назад

Congrats, is this gonna be shipped in next year's line of kinder surprise eggs: simple machines toys?

@popzct 2 года назад

:) Greg

@overPowerPenguin 2 года назад

Cool.

@popzct 2 года назад

Thank you very much, I'm glad you enjoyed it! Greg

@wolfthorn1 2 года назад

Thanks for sharing your files.... Great idea though. Now I have to spend an hour on autocad. Thanks anyways.

@popzct 2 года назад

You're welcome, and thank you! Greg

@dsmpisbetterthanbillnyecha9685 2 года назад

Wait what's the coin for??

@popzct 2 года назад

Size comparison. Greg

@adams1625 10 месяцев назад

Can I use petg for the leafsprings?

@popzct 9 месяцев назад

Hi adams1625, I'm not sure, as mentioned I used PLA to obtain the desired snap action. Greg

@adams1625 9 месяцев назад

@@popzct Gotcha! Thanks Greg I appreciate it :)

@joaopetersonscheffer 2 года назад

snapy!

@popzct 2 года назад

:) Greg

@androidhonk8040 10 месяцев назад

Is there a file for this?

@popzct 10 месяцев назад

I believe this is it: www.instructables.com/100-3D-Printed-Linear-Snap-Action-Mechanism/. Greg

@raynlaze1339 3 года назад

This looks quite cool, what are some good applications to use this in tho?

@popzct 3 года назад

Hi Raynlaze, Thank you very much! A mechanism such as this can be used to provide mechanical hysteresis, which is my intended use in completing a current model and designing a new one. Greg

@avaviel 3 года назад

You could use it to click a button on a PCB. Position everything right and the button will pop back up

@zencow 3 года назад

I have been working on a sliding tray design for a custom pencil box using neodymium magnets, but I think this would be a much better solution to keeping the tray in the open and closed positions, as it won't require glue and may provide a more satisfying feel to the movement of the parts.