Screw 3-stage telescopic actuator

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Input: yellow screw.
Green slider has the green nut that together with the input screw create the first screw-nut drive.
Pink slider of inner thread and the orange screw create the second screw-nut drive.
Jade slider of inner thread and the beige screw create the third screw-nut drive.
The revolution joint (two blue pins and the circular groove on the green nut) allows the beige screw to rotate together the orange screw and move axially together with the green slider.
The revolution joint (two blue pins and the circular groove on the pink nut) allows the orange screw to rotate together the beige screw and move axially together with the pink slider.
The first, second and third screw-nut drives have leads of L1, L2 and L3 mm of the same hand. If the input screw rotates N revolutions, the pink slider performs a displacement of N*(L1+L2+L3) mm.
STEP files of this video:
www.mediafire.com/file/y0o166...
Inventor files of this video:
www.mediafire.com/file/cxye1l...

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Опубликовано:

8 сен 2021

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Комментарии : 91

@va7100 2 года назад

This has many applications in robotics ! Many many thanks for sharing your designs to the general population free of charge. This is charity of the highest order.

@soscilogical1904 Год назад

I like the design it's fantastic, however It would require a lot of grease I guess? otherwise it would wear out quite fast. I wonder what materials the screws are from? a very hard metal, together with some way of ensuring grease stays on for 20,000 cycles of rotations? Also the complexity of the parts is fairly high, and so the price of machine the parts... because they seem difficult to cut?

@rohankashyap6640 2 года назад

You are incredible... I agree with one of the comments... This is charity for many...your designs compel to think something new...

@figoff2173 2 года назад

Fantastic work Mr. Thang!

@engineeringmeka8320 2 года назад

Con luôn dõi theo các video tải lên của bác. Thật tuyệt vời, con cảm ơn bác

@xmenxwk 2 года назад

machining this will be pain in the ass

@stevegovea1 2 года назад

This is genius level work!

@donovangibson7765 2 года назад

Splined threads... Now there's something I haven't seen in a loooong time.

@ThePaulBier 2 года назад

Splined threads can act like taps, gotta be careful in instances like this!

@leo-the-truck7672 2 года назад

Great work Mr Thang

@Nq0110 2 года назад

Great idea, sir!

@envitech02 Месяц назад

Pretty ingenious!!! For those who may not realise, the word engineer has nothing to do with engines. It was derived from the French ingenieur which means genius in English, or at least that's what I was taught when I was a young engineering student.

@jkcc10233 2 года назад

Wow! I just brought one a week ago and dissected it to make sure how it works!

@thang010146 2 года назад

I made this animation just based on my imagination of how the actuator should work. I will be very grateful if you tell me the working principle of your actuator.

@OwenWithAHammer 2 года назад

Where did you buy it? Can you upload a video?

@OwenWithAHammer 2 года назад

Incredible!

@ImpactEtching Год назад

amazing stuff, thank you for sharing

@thang010146 Год назад

Glad you enjoyed it!

@nestormarcelovenece5091 2 года назад

Very good work

@Junior_Mech 2 года назад

Very good man.

@obeesrcconstruction9279 Год назад

Brilliant!

@minercraftal 2 года назад

Little hard for me to understand how it can rotate out evenly. Took a while to find out, the revolution is blocked to rotate at the same time, so each step is threading out by the same ratio. And the thread base is separate by each step, so depend on each base, each of the step comes out evenly then. Nice complex!

@luke_fabis 2 года назад

This is a hybrid of a screw and cam mechanism. Except for the outermost screw, all the screws have grooves cut through the thread axially and the next screw in series has a follower to slide along that groove. This forces them to turn in unison while allowing axial motion. The mechanism expands because the casings have a similar cam design, but are held stationary radially, creating an axial force due to their female threading. Because each screw has a casing that it's paired with and locked together axially with a retaining ring, the screws are pulled outward by the casings as they are in turn pushed by the screw threads. As long as the thread pitch is the same regardless of the thread diameter, the screws will move evenly.

@Fillkids 2 года назад

Hello master, how are you? I'm printing these pieces with 7 sizes to have a greater reach. I have a question should I print all the pieces in half and then glue the two sides together or can I print with one size and just fit them all together?

@bertrandmarion1927 2 года назад

Wonderful work ! I’ve a challenged for you Would you be able to do a mechanism like This one but! When the three different module have reach their full extension The pink one or the blue one start to roll in order to be the screw of a scissor jack to act like an anchor dowel

@thang010146 2 года назад

Please explain your request using sketches. My email: thang010146@gmail.com

@yaoyou6702 Год назад

perfect!!!!

@ethaneveraldo 2 года назад

Interesting idea, but looks very difficult to machine. Ease of manufacturing is important when conceiving a mechanism.

@kyh9229 2 года назад

Dear Master，thank you of your effort. May i ask wht software u use or which free do u suggest me as a good start and print out 3d. Many thanks. Ken

@thang010146 2 года назад

All videos in this channel are made in Autodesk Inventor, Dynamic Simulation. The CAD files of this design are not ready for 3D printing. Some modifications are needed.

@wicmontana700 2 года назад

Thank you for the awesome work. What is the thread on them to push them out at the same time. Is it 1 to 1 thread size.? Like M10 bolt and nuts size or do they change from M6 to M8 to M10 etc.

@thang010146 2 года назад

All the thread leads in this animation are of the same value: 2 mm.

@jinli4079 2 года назад

@@thang010146 能否有模拟包络运动区域

@thang010146 2 года назад

@@jinli4079 I don't understand your question. Please explain.

@bigroundwatermelon6456 2 года назад

Good

@frenchy3736249 2 года назад

Would you do any designs for a 4 stage as well? Would love to see how this could be applied for 4 or more stages.

@thang010146 2 года назад

For more stages just add more the beige and blue parts. I would not make the animation because it will take a lot of time and the video will look tangled.

@Fillkids 2 года назад

@@thang010146Mr. teacher i are doing for 7 stages and after can print. after that printer i show for all. thank you

@emotiveworks7624 Год назад

@@Fillkids Hello FiliKids, did you manage to build a 7 stage prototype?

@Fillkids Год назад

@@emotiveworks7624 yes i did, not single. kkk but ir good.

@davidschwartz5127 2 года назад

What is the estimated life cycles in an industrial environment

@GHOST91991 10 месяцев назад

If it was put into a lightsaber design it would look wizard.😁

@joaoathaydejr.3986 2 года назад

👏👏👏

@camnguyen7521 2 года назад

Hi anh, cho em hỏi, cái trục màu cam nó đang tự do không chịu tác động của trục màu vàng làm sao có thể xoay được ạ, mong anh giải thích với

@thang010146 2 года назад

Lỗ của trục màu cam có sống then dài ăn khớp với rãnh dài trên trục màu vàng. Hãy xem cảnh cuối của video.

@jasemali1987 2 года назад

This is amazing, now how can it be modified to have a reciprocating and fast action ?

@jasemali1987 2 года назад

This can be a compact high amplitude vibration generator.

@thang010146 2 года назад

Use multi-start thread of large lead.

@RenatoMontandondeLima 2 года назад

Dear, I am a professor of Technical Mechanical Drawing and a follower of your channel. I would like to know if it is possible to make the drawings available to be used in my classes. Thanks.

@searchingforyou 2 года назад

He retirement in 2002, i dont think he have problem if his product used in education, you can contacts with him via emails, just check introduction of his channel

@thang010146 2 года назад

Please use the video's CAD files to create the drawings. Links to download CAD files of this video have been added to the video description recently.

@RenatoMontandondeLima 2 года назад

@@thang010146 Thanks! All material is welcome for Education.

@sumairrafique2396 Год назад

Can we Extend this system to 60 feet hight for the telescopic Mast, and can you please suggest which pipes will be feasible along with material s this project,

@thang010146 Год назад

It is not suitable for a high telescopic mast. Use cable mechanisms: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-lKaMo2AasV8.html

@senatuspopulusqueromanus2082 7 месяцев назад

Is it possible to use this kind of actuator in humanoid robot arm? I'm not an engineer, but I'm trying to model a semi-realistic steampunk robot, so I need to know about actuators that could possibly be used in this kind of machines

@thang010146 7 месяцев назад

This actuator is difficult to produce and has not yet been commercialized. Use actuators available on the market: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-yDQ7CVLjI4Y.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-RAg7hJ_NRfE.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-801ZII2e3CM.html

@rajeshranganath9025 2 года назад

Pkease let know What CAD/Animation package is used for this?

@thang010146 2 года назад

All videos in this channel are made in Autodesk Inventor, Dynamic Simulation.

@D.J.Prashad Год назад

@thang010146 how/why'd you come up with this design? Did you use this industry? If so, for what application? Thank you, DJ

@thang010146 Год назад

I made this animation just based on my imagination. This design has not been built.

@salimsaade198 2 года назад

how does the mechanism stop without the pieces untying at the end of the expansion?

@thang010146 2 года назад

I don't understand your question. It stops when the input screw (yellow) stops.

@salimsaade198 2 года назад

@@thang010146 I mean that if the input screw keeps rotating then it will let go of the system and unscrew completely off or is there a blocking mechanism that prevents the input screw of unscrewing completely

@Fillkids 2 года назад

Hello master, this is the project I talked about earlier. I'm redesigning the same now with 7 pieces. the base is 18cm and it reaches 81cm when fully open. I have a doubt. The conversion of mechanical force and what makes the spindle hurt and push the next parts and so the great magic happens? Can I forward you an email? Thanks

@thang010146 2 года назад

My email: thang010146@gmail.com

@Fillkids 2 года назад

@@thang010146 i send now for you, thank

@PhilippSchneeweis 3 месяца назад

is it possible to go on and make a Screw 4-stage telescopic actuator, or even more?

@thang010146 3 месяца назад

I can't. Too complicated.

@PhilippSchneeweis 3 месяца назад

@@thang010146 are there other ways to make a telescopic actuator which extends by rotation?

@davidcooper3871 Год назад

Too bad this isn’t on the market.

@QwertyCanada 2 года назад

Why 010146?

@thang010146 2 года назад

Thang's birthday: January 1, 1946

@QwertyCanada 2 года назад

@@thang010146 cool

@nurmurat3869 2 года назад

Здравствуйте! Где может достать чертежи этого цилиндра?

@thang010146 2 года назад

Use CAD files to create the drawings. Links to download CAD files of this video are in the video description.

@nurmurat3869 2 года назад

@@thang010146 добрый день мистер Танг. Отправьте пожалуйста ссылку, не получается тут скачать.

@thang010146 2 года назад

STEP files of this video: www.mediafire.com/file/y0o166avskv3673/Screw3STelescopicActuatorSTEP.zip/file Inventor files of this video: www.mediafire.com/file/cxye1l7638lh3pm/Screw3STelescopicActuatorInv.zip/file

@nurmurat3869 2 года назад

@@thang010146 спасибо! Всё равно не открывает. Защищённая кажется.

@thang010146 2 года назад

What software do you use? Do you know how to open STEP files in your software?

@xingzheli7431 10 месяцев назад

What can this be used for?

@thang010146 10 месяцев назад

Get long displacement with short cylinder.

@arunkbg1 2 года назад

Downloaded Autodesk inventor file, Can you help me to learn how to animate the downloaded file. Thanks

@thang010146 2 года назад

Click Environments, Dynamic simulation. On Simulation Player box click Run.

@arunkbg1 2 года назад

@@thang010146 Thanks for your help. It worked. Very much appreciate it.

@raymondzhao9557 2 года назад

interesting

@householdemail1305 6 месяцев назад

If you use it on a bulk head I’d put seals in there ever stage.

@mustafacelik4064 Год назад

Sizin videoyu bir arkadaşım görmüş bana attı Ben de görünce çok şaşırdım Çünkü benzerini seneler önce Ben de yapmıştım Daha ben de çok projeler var buna benzer size de tebrik ederim Ben Türkiye'den Mustafa Çelik ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-m3OGvuLyFy8.html

@thang010146 Год назад

I like your video. I want to see the inner mechanism. Greetings from Vietnam!