How Circular Knitting Machines Work? Designing one from scratch - BANDARRA

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www.andrebandarra.com
Since I've knitted a hat by hand I've been fascinated with the hand crank knitting machines (Addi style) that you find on youtube tutorials.
So as a bit of fun I decided to try to design my own. This quickly turned into a full blown R&D project and consumed a lot of time and resources.
It was really fun to figure it all out even though in the end it didn't quite fully work.
I'll revisit it in the future when I have some more time as I have a couple of ideas on how to not only make it work but maybe improve the current state-of-the art :)
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Опубликовано:

13 май 2018

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Комментарии : 474

@AndreBandarra1 2 года назад

For anyone years in the future asking for the STL files to print this themselves. Unfortunately I had a hard drive malfunction and lost the original files :(

@brianbrummel1164 2 года назад

Bummer, I found this and was looking to see where the design files were available. Sorry you had the HD failure.

@MrKimBest 2 года назад

為你感到難過，做了這麼久

@elarcadenoah9000 Год назад

i was goin to ask for the files too i found some in the istructables but i have to buy the circular and the needles,is not complete,but if u erase thew files you still can recover it if u didnt use that space there are softwares that can recover files

@-Anon101 Год назад

@@elarcadenoah9000 Mee to

@greendsnow Год назад

WHAT!

@benjaminshewan1613 5 лет назад

Most RU-vidrs just show project tutorials, but you are detailing the iterative design process you go through to get a successful project! I love this. Keep up the good work! I am looking at making a circular knitting machine as well. I am just in the research stages, but this helps a bunch. Many thanks for sharing!

@haridas3323 2 года назад

Jjjjjjjjjjujjjjjjkil

@SedatKPunkt Год назад

Oh yes, including the trial-n-error battles during development gave that clip far more educational value and insight than one that doesn't show dead-ends, redesigns and frustration. That was really exciting to watch.

@judgingoliveu6567 3 года назад

Excellent explanation of how a CSM actually works. Even if you didn't finish it, I consider you one of the pioneers of 3D printed CSMs. Thank you!

@christopherfry3126 2 года назад

You are just the kind of innovator the world needs now: skillful, creative, persistent. AND a great educator. If we are to solve poverty, people need to be more self-sufficient. The kinds of machines you are designing are our best hope.

@reaper661366 2 года назад

I think I see the issue, from what I've seen on other csm is that you need a weight put into the center of that cast, either threw a combination of a set up bonnet and/or weights placed in the center so there is downward tension on the yarn. I hope this helps and would love to see more of this project :)

@MrNathanstenzel Год назад

Weight or maybe elastic tensioner or a spinning yarn yanker maybe?

@fionafiona1146 Год назад

My thought

@sheepishlysharing 6 лет назад

Impressive! You did it from scratch without reverse engineering an existing machine! Definitely go to a lighter yarn.

@AndreBandarra1 6 лет назад

Thanks Margaret, I'll be coming back to it when I get a couple of weeks free :)

@snaiperr 4 года назад

@@AndreBandarra1 Hi ! Where is the next video for this ? :) Amazing project - should be alive!!)

@umidjonergashev5992 2 года назад

@@AndreBandarra1 Hi. It's Impressive. in which program is the 3D model developed ????

@AndreBandarra1 2 года назад

@@umidjonergashev5992 thanks, SolidWorks

@yakhyobekmamadaliyev6315 2 года назад

@@umidjonergashev5992 Assalamu alaykum Umida aka shuni o'zimiz ham o'zbekiston sharoyitida 0 dan to'qish mashinasini yasasak bo'ladimi?

@JDLeeArt 5 лет назад

This is amazing! I really hope you come back to this or release the files so others can.

@mcRydes 4 года назад

really nice build! even if it didn't completely work, this is still by far the best explanation of the mechanics of knitting machines on youtube. This video does a great job highlighting both the potential and limitations of 3d printing

@knittingnana2939 3 года назад

2 things. With the yarn guide, the slot needs to be a little deeper so that it feeds better. Also if you put a weight on the YARN hanging in the middle, it will feed into the needles more efficiently.

@alfredclausen2593 3 года назад

I think you are right, I also noticed that when the needle went down it pulled the yarn from both sides. It means that it will become tighter and tighter the more times the yarn gets pulled. I don't think you should use a slot it makes too much resistance, a hole or tube would be better. I am impressed.

@onesadtech Год назад

This was a super interesting watch, great documentation of the R&D process that went into this. Sorry to hear that you lost the original files, would be cool to see this completed some day.

@SaffyFoo 3 года назад

I have 3 Addi knitting machines and I’m obsessed 😍 Your video is fantastic, so clever 😁👍

@fujierobesky5651 5 лет назад

You are amazing. I am an avid knitting machine collector and love repairing and cleaning them but never ever thought of making one using CAD. This is so educational, you actually show the mechanics of the circular knitting machine. I am saving this video to review over and over. Thank You.

@bobcarter5994 Год назад

The technique used to make the "green lugs" pieces stronger is something I've never considered and will definitely be utilizing in future designs if needed. That's such a simple and logical way to make little nubs more ridged. I also liked seeing you go through your iteration process.

@Utube2Itube Год назад

Hmm, where is that part discussed? Must have missed it

@bobcarter5994 Год назад

@@Utube2Itube at 6:50 he talks about it.

@johnelliott9137 5 лет назад

What a great job you have achieved. I have been looking at the circular knitting machines and noticed that they all require a weight to add tension to the knitted yarn. This could help with the tension to pull the yarn down where it was getting caught up. Great work.

@bltsevdallarfanclub641 Месяц назад

Our final project was to create a 3D model of a industrial circular knitting machine. Thanks to this video I understand the knitting process. Thank you!

@maxwell_edison Год назад

Very fascinating. I would love to see a part 2, definitely!

@slicerr2 5 лет назад

Great project can't wait to see more!

@treestate 5 лет назад

This is really neat. You put a lot of work into this. I hope to make something like this someday too. You have really helped me.

@Ma_X64 Год назад

Developing complex mechanics always looks like magic to me to some extent.) It's especially inspiring when that something ends up producing some finished and useful stuff.

@GoodandBasic 4 года назад

This video is excellent! I'm going to be doing a short series of videos on knitting machines in the near future. I love that your design does not require hooks with individual hinges. Thanks for showing the design process! JB

@pamparam4637 6 лет назад

Till today I wasn't even aware of existence of this kind of knitting machine :) I love the way you explained every step of your design process. Thank you :)

@kevinbruce5981 Год назад

I love that RU-vid showed me this video. I will have to look up what else you have posted.

@mlopezastrada 3 года назад

Hi Andre. Congratulations for your work. Well done. You are so close to get it.

@alexanderwolter Год назад

It's the first time that I found your videos today. I really feel with you when you talk about being frustrated after all these hours of work. I think you made a great job figuring out the project this far. In my eyes science is a lot about publishing, what is not working well so that others can continue the way without making the same mistakes again. So I really appreciate that you made a video like that one. I would like to see more content like that on RU-vid.

@violettracey Год назад

Cool! Thanks so much for explaining the process.

@cyberdeckcipher Год назад

this is so close to completion, congrats on your work :)

@txikitofandango Год назад

Love seeing your whole development process, all the details toward solving the problem. My fav part starts around 9:00

@JENNISWISS 6 лет назад

very exciting and nice work. Not everything is going to gold. Thanks for the video👍🍀

@henrykleyn3423 2 года назад

To have even tried such a project takes a lot of courage. I hope that you do not give up on doing the next version. I'm sure that you will be successful in your next attempt.

@apogeedesign4348 4 года назад

Came upon your video by accident ... just cause I was curious on how knitting machines worked. To my surprise I found out that some one can go into all this trouble just to test something not sure if it’s even going to work a little bit. My congrats to you ! Even if it’s not super smooth just to see how much you got the mechanics of it understood up to perfection and made it in software perfectly. This is something I would only dream to be able to do. By the way the secret to the smooth push of the rod upwards specially when it’s under load while knitting the actual machines that I saw all over I noticed they had some kind of stainless still circular spring flattened washer in between the circular part that where the middles RIDE as a Guide in the V section is where it makes all the difference and on top of that acts like a spring helping the push of the niddle up.

@perrymattes4285 Год назад

This is a fantastic application of rapid prototyping. Industry is just starting to look at this tech

@fxm5715 Год назад

I've seen these in action in textile mills, but it all happened so fast I couldn't tell what it was doing. Thank you for explaining and demonstrating it so well.

@Gallardo6669 Год назад

Absolutely fantastic. Great project!!!!! Good work

@sistermaide 2 года назад

I really like that you explain your thought process!

@PacoOtis Год назад

Excellently presented and so very clever! Thanks for sharing and the best of luck!

@chrissre7935 Год назад

Im glad you showed it like it is. Very instpiring and a proof of concept to learn from. Things like this make me want to get in to 3D printing.

@sinancan4822 2 года назад

Well done. I understand now how it works. Great project. Keep your works on.

@tiddlypom2097 3 года назад

Thanks, this helped me be more understanding of the limitations of my Addi. Mainly the yarn needs to be stretchy and relatively fine for the needle size. I've accepted that it's not going to give me a close-knit or thick fabric.

@ClaudioFontachannel 5 лет назад

great video, great job, great patience. Thanks

@theexistentialist.5530 5 лет назад

Really clever work mate.

@sambish1981 2 года назад

Bloody good effort! You can rest assured you gave it a really good go.

@eriadnaduca Год назад

THANK U FOR SHOWING US ALL THE FULL PROSSES ! With trial and error

@chebhou 4 года назад

Amazing work dude ! Hope it's finished by now

@orpheuscreativeco9236 Год назад

Great work man! Thanks for sharing your process 👍 That thing is awesome 🙌 I remember trying to find an automatic loom years back and boy were they pricey 😳 I hope to see your next iteration ✌️

@CidtheVicious3 Год назад

Amazon has the circular knitting machines the senco versions for like 60 bucks right now for the largest 48 pin one but I think it goes down as low as 30 bucks for the 20 pin

@orpheuscreativeco9236 Год назад

@@CidtheVicious3 Great tip! 👍 Thanks ✨

@GPinaffiRodrigues 4 года назад

Man, i really enjoyed your vid. the itarations and failures are all part of the process but many people don't show this. Thanks for sharing :)

@AndreBandarra1 4 года назад

Thanks dude, appreciate it :)

@maxdon2001 Год назад

Great video! Interesting stuff!

@TinyMaths Год назад

Just discovered these yesterday. My immediate thought is I wonder if people have tried to DIY/automate these. Now I'm stuck in this rabbit-hole of professionally made knitting machines and attempts to automate/make easier parts of the process. This is the first one I'm seeing where you're trying to build the whole thing. Enjoyed seeing your thought process and breakdown of design ideas.

@philhewett1601 2 года назад

Well done. I have great admiration for you engineering skills.

@druzybear 5 лет назад

This is fantastic!

@justharryjohnson7250 6 лет назад

Well done for giving this a shot. It seems a shame you are walking away from it when you are so close. Put it aside then come back to it at a later date. Great stuff

@AndreBandarra1 6 лет назад

for sure, i literally ran out of time as I had to go on a paragliding trip (videos coming soon) but it was a lot of fun and will definitely come back to it when I have a couple more weeks.

@secretwpn Год назад

Interesting project, and well delivered too 👍

@tinkrful 5 лет назад

This is truly impressive. It helped me understand how these machines work a little better. One thought: Is the gap under the blue pegs too big? If that gap was smaller, I think it would help the stitches to fall down around the green pegs better. I have subscribed so, if you pick up this project again, I can see how it goes. Thanks!

@Ruffian144 4 года назад

Great job, even if you didn't reach your goal! If you make a better knitting machine & put it on the market people will buy. A machine for yarns 4 and under, and another machine for yarns 5 & thicker maybe? Keep at it, we need more knitting machines for different size yarns!

@Renotaraa 2 года назад

Dying for a Chunky Yarn knitter!

@johnhodgkiss9882 Год назад

Great video. I am looking at making one of these.

@greendsnow Год назад

YES! YES!!!!!! THIS!!!! I was trying to make reasons for buying a 3d printer. Winter is coming and clothing is expensive, baby.

@simonsen7074 Год назад

I like your iterations, you are a smart man❤️

@overworked123 2 года назад

Yes! Keep trying! This is very good!

@sky-jx1rk Год назад

thanks to you.. i learn.. how a product actually made.. from thought to reality.. Thank YOU..

@salffevyoutube8500 3 года назад

really thank you man, this video was very important to me. :)

@PanoptesDreams Год назад

I call that a massive success!

@oceanpinkuk 4 года назад

Excellent work. My Prym machine can work fanstic with some yarns, then refuses to work with others. Also I always have to unwind the ball of yarn for my machine to turn, if not it will Jam and not turn. All the very best and look forward to seeing your next project knitting smoothly.

@laurahaaima1436 Год назад

Genius! I thought about this myself.. then I thought.. let's look it up.. and here you are.. !

@TheAnachronist 3 года назад

I've been wanting to design and 3D print a circular knitting machine for almost 10 years now! You're so close. If you printed an arm on the outside that pulls the hook out more (gives it a "bump" as you say), then the problem should be solved without reprinting the whole device. Also, printing the parts in ABS and acetone vapor smoothing them would allow stickier yarns to be used (this was a similar concern that I had). I ended up buying a toy circular knitting machine, and all kinds of things will knit. I knitted a "sock" (more like a mesh) out of plastic bags that I made into a kind of yarn.

@fangsupply Год назад

Absolutely awesome work!! This is just so cool. I'm super bummed that you don't have the files, because I'd love to print this. I think I'll have a go at trying to recreate it myself and see if i can get it working completely :) I've been working on a 100% printed yarn winder for a while so it would be just great to have a whole set of 3d printed mechanical knitting tools!

@bradleygallant615 Год назад

You can do it man, I wish I could help, great video

@Drxxx 3 года назад

great work!!

@ChemicalConcoctionsSoapLab 5 лет назад

I loved the video. I watched it with my 5 year old. We are interested in doing something like this.

@AndreBandarra1 5 лет назад

Chemical Concoctions that's great, thanks for letting me know :) check out andre bandarra 2 channel for all making things videos from now on :) happy making

5 лет назад

very Impressive! wow

@suegurney4666 3 года назад

Keep going ! There is a market for this!

@omargaber3122 Год назад

Your video is fantastic, so fantastic

@VinokDesign Год назад

Very nicely 👍 done

@FilthySoapCore 9 месяцев назад

Such a cool project! I aspire to be an engineer like you you are such an inspiration to me

@AndreBandarra1 9 месяцев назад

Thanks for the lovely comment! You can do it!

@FringanSthlm Год назад

Highly interesting! Waiting for the continuation of the project. Any day now, right? :)

@elephantchessboard9060 Год назад

awesome video. really love this kind of reverse engineering process.

@deanpetrella5491 Год назад

Aside from an amazing video on the subject of your engineering design process, you have some amazing video filming and editing expertise. How did you get so good at filming, editing, and knowing how to get your narration and video clips in such synergistic harmony i.e. the timing of the two, to mesh so well?

@rarjun100 3 года назад

Simply amazing . how cool .

@anushavyamajala9663 Год назад

Just one word --- genius.

@yochanan5257 4 года назад

thanx for explaining of how it was made

@Zimothy Год назад

Hello, a random person from the future here! Absolutely lovely work, well done! You mentioned that the yarn effects it: very true, and you can also pass the yarn over some parafin or beeswax as it's feeding into the machine. It reduces some of the fuzziness and makes it more slick.

@sharifabdul4237 3 года назад

Dont worry bro , u tried , u a GENIUS, never geat discouraged.

@ShaminMike Год назад

balls I wish we could have seen this finished! great stuff though man thanks

@esthergerlitz2359 5 лет назад

Do you think you will do an updated video on how you fixed it? I would love to see it

@mrcpu9999 Год назад

Man, I almost learned something, and almost subscribed, but couldn't quite finish, as I ran out of time. :)

@gcm4312 6 лет назад

Very nice Andre! I was following on Instagram and wondering how it all worked. Quite a challenging project. Amazing how the friction builds up. Wouldn't redesigning the green prongs help? Instead of a horizontal top edge, maybe a slanted one, or a hook shaped one. About the video itself, it was really cool to see all the iterations side by side. And great edit! Quality is noticeably going up every video.

@AndreBandarra1 6 лет назад

Cheers dude, yeah I think redesigning the hump and/or the green prongs might make this version work, I'll probably start with that next time

@wage4598 Год назад

I know this is quite an old video now, but this execution was flawless. One of the few videos where I'm not screaming at the creator because they're doing everything wrong.

@JY.PinkPanda Год назад

What it seems like it needs is a slanted edge on the green pins, with a larger top on the hooks to help push it down onto the pins

@lazyman1011 Год назад

Nice one, abo is out. Like the style of the vid very much.

@deezynar 3 года назад

I am very impressed by this, and I've just subscribed. I suggest that you rub on some paraffin wax to lubricate all the moving parts where they rub on other parts. Then smooth the parts that touch the yarn. Only on the areas that contact the yarn, give a light sanding with very fine sand paper, then apply one coat of polyurethane finish to fill the open pores in the plastic, and sand again.

@ianbryant 2 года назад

This is really cool man. I think it would be cool to make one with really fine resolution so it could knit jersey style fabric.

@helmutzollner5496 Год назад

Yeah! Keep at it! This is one of the areas of technology I have never come to grips with. Like yourself, I find it a fascinating subject. You should also look at the knot making mechanism in a Square hay baler. That seems to be only o e rotation and a bang and the knot is done.

@AdamBen115 Год назад

To potentially remedy this prototrype to try to proceed, you may be able to mechanically program a "tap" as you were talking about. Find the position on you're cam wheel thing that you want a tap to occur, then add a little bump to the wall above it. so it will push the needle and essentially "tap" it onto your green studs. This is a super interesting project. I wanted to get one of these for my mother but like you noticed how expensive they are. I may go down the same route of making one myself. I wish you luck!

@zjilleblizze 5 лет назад

I have been working on a similar machine, really appreciate you sharing this and great to see you design process. I agree with Margaret (below), that a lighter yarn will probably make it easier. Also it is important to add the tension to the sock, so the thread starts pulling into place. In order to make it smaller you might want to work with latch needles (like the " pro" circular knitting machines). That would be starting from scratch though. I have done 3 or 4 prototypes and the more needles i add, the more difficult it gets to not make it jam (due to the added friction along the guide). I am now at a point wondering if i should make the investment to machine some parts to make it more precise.

@Blackfire1822 2 года назад

I think that's the best way to do it honestly. I think an issue here was the quality of printing. The yarn he used looks pretty course and probably grabbed the plastic. I also that instead of a little knock, maybe slanting the studs would have helped.

@afafmansour7334 3 года назад

One of the best video's i've seen in a while. I watched it to the end and was wondering why didn't you make it a bigger machine by printing the circles into sections and not one circle in one go. Also, i think you need to polish off the plastic where they meet to reduce friction. And regarding the needles, yes you need to enhance their design and make them maller and thinner in the size. Forcing the yarn to go past those double edges is easy if you perfect the profile of the needle kicker. Good job, and keep enhancing the design! Don't Stop!

@videowatchaccount Год назад

If you ever revisit this, look at getting a straight knitting machine and plundering the needles. They close while pulling the new line through, making the cycle a bit easier.

@THarSul Год назад

not sure if theres still any interest in making one of these contraptions, but in videos of the antique sock making ones, folks seem to use special weights hung from the end that pulls through the ring to apply consistent tension to the line being woven, as a means of preventing the tension based locking you experienced, which appears to occur when the amount of tension on the line exceeds the amount of downward force the line is experiencing.