Screw 2-stage telescopic actuator 2

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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.
The revolution joint (two blue pins and the circular groove on the green nut) allows the orange screw to rotate together the input screw and move axially together with the green slider.
The first and second screw-nut drives have leads of L1 and L2 mm of the same hand.
If the input screw rotates N revolutions, the pink slider performs a displacement of N*(L1+L2) mm.
This mechanism may be used in
• Three-stage linear act...
STEP files of this video:
www.mediafire.com/file/4dca1o...
Inventor files of this video:
www.mediafire.com/file/dsk0k5...

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Опубликовано:

8 сен 2021

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Комментарии : 41

@JohnJaggerJack Год назад

Thank for your work, truly inspiring.

@ChristianFJ1990 2 года назад

Thank you for sharing Master

@nestormarcelovenece5091 2 года назад

Very good work

@Mecharnie_Dobbs Год назад

This looks much more sturdy than your "Mechanical Telescopic Cylinder 2"

@wicmontana700 2 года назад

Thank you once again.

@aliraza-hp3dy 2 года назад

Hi I like your videos and watch all of them never miss any videos. Great work. Love from Pakistan.

@thang010146 2 года назад

Greetings from Vietnam.

@user-mj1qm4iu6g 16 дней назад

mr you are an einstein

@iforce2d 2 года назад

Very cool!

@user-rv1qb1oi8u 2 года назад

great work

@minercraftal 2 года назад

Another hobbyist? www

@torres_arriostradas Год назад

Siempre quise saber cómo funcionaba el gato de las Ford Ranger 😎👍

@householdemail1305 6 месяцев назад

That’s a big actuator ….but accurate to the tread turn.

@sprezzaturarrd 2 года назад

How would you compute the axial force by the pink slider from the motor torque driving the yellow slider?

@astdesig Год назад

Thanks...

@MrJBA79 2 года назад

What keeps orange from not moving under force from yellow? Is that what the blue bolt is for and if so, what should the sheering-strength of that bolt be? I imagine you would want to include a torque limiter to yellow to protect the bolt at blue.

@thang010146 2 года назад

Two blue pins prevent the orange screw from axial movement. The number of pins can be more: 3, 4, 5 or 6 to bear axial force.

@hamiddavoudi 2 года назад

nice

@ericchang1538 2 года назад

How could the yellow thread and orange thread can turn at the same time? What method did you do? Thanks!

@thang010146 2 года назад

There is a prismatic joint (sliding keys) between them. See the video last scene: the key grooves are on the yellow.

@user-mj1qm4iu6g 16 дней назад

my brain cant process that one

@cihanozben6793 2 года назад

Great work sir .will you upload step data of Design ? Ty so much for share

@thang010146 2 года назад

Link to download the STEP files has been added to the video description recently.

@catalinjeanmarc 6 месяцев назад

Hello I look for this type of compact piston. Where can I found some in Europ ? I would like to press water in a cylinder of 10 cm height and 8 cm diameter to press water inside in order to obtain 10 bar of pressure. Thanks

@thang010146 6 месяцев назад

Sorry, I do not know.

@longdo2078 2 года назад

Thầy ơi, có tài liệu nào nói về cách tính toán, thiết kế hệ thống như này không ạ

@thang010146 2 года назад

Tôi không biết có hay không.

@jollyfishing6138 21 день назад

Hi, where can I find the file for this project? Thanks in advance for the reply

@thang010146 21 день назад

Please read the video description.

@dutchconstructionrc7429 Месяц назад

hello. could you make this for a n20 engine? with m4 threaded rod

@thang010146 Месяц назад

Sorry, I can't. It is too complicated.

@dutchconstructionrc7429 Месяц назад

@@thang010146 okay thank you for your responses

@AdityaMehendale 2 года назад

Would it be fair to say that for a 2-stage mechanism, the video #1 is optimal (fewer moving parts, fewer bearings) whereas for a multi (3+) stage mechanism, the #3 video illustrates a good scheme. (In other words _this_ mechanism can better be avoided).