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Exo-Suit (Part 1: Arms and Shoulders)

by Roman13, published

Exo-Suit (Part 1: Arms and Shoulders) by Roman13 Apr 18, 2016

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4718Views 848Downloads Found in Engineering

Summary

UPDATE: 11/3/16 There was a problem with the file for the Inner Bicep Ring. Thank you xombie4less for finding it. I have replaced the file.

I've had the idea of making an Exo-Suit for many years, only recently with the help of 3D printing was I able to do something with it. I created this suit to be mobile and not too bulky. It has many attachment points for add-ons such as armor. I will be, in the future, adding to this to make a full body exoskeleton.

I wanted to make a video to show how well it moves but I am currently recovering from neck surgery.

Everything was printed on a Simple Metal 6x6x6 printer which created a lot of engineering challenges. I overcame these by making it modular, which in turn helped with the design process, if I made a change I did not have to reprint a large section.

All the bearing used are based off my EZ-BB bearing, http://www.thingiverse.com/thing:1476521 .(I used around 500 BBs) and rest of the parts are held together with pins. I personally don't like the idea of using glue and screws.

Please read all the information attached to this thing, It is complex,will use over 2kg of PLA and take several days to print.

For rafts and supports I used as few as possible but they were needed on some parts. This will depend on your printer and what it can do. I found anything with a tab needed supports that touched the build-plate and parts with slots, without any supports, these parts needed a little clean-up to fit properly. Excessive force should not be needed to assemble any parts.

Most of the files will only need to be printed once per arm except the arm struts and Elbow bearing, you will need to print each of these two times.

The assembly instructions are in picture form.

Print Settings

Printer Brand:

Printrbot

Printer:

Simple Black

Rafts:

Yes

Supports:

Yes

Resolution:

.1984

Infill:

25%+


Notes:

If you are going to make this don't get cheap. I printed most of the parts at 0.8mm top/bottom/sides and 25% infill. The small pins file needs to be to be printed at 100% infill.

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Thank you, I will send them to you later today.

Congratulations for your great job !!!
Could you just send me the wrist_to_hand_connect and wrist_inner_ring.stl to [email protected] please ? I can't open these files.
Thank you.

I can not open the wrist_to_hand_connect and wrist_inner_ring.stl, can you help me by sending this two files?
Regards
Nuno

I believe these two files are the same. I was trying to rename them so they made more sense. I can definitely send them to you. Where do you want me to send them?

Thank you for your help, please send me to [email protected]

Looks very cool. What do you want to use it for? So far, i can't see any motor mounts or so. Air muscles may be mounted but there's no way using them without having a huge backpack..

Thanks! I don't have an exact purpose in mind. There are no mounts for motors or anything yet but "mounts" can be added and attached using the numerous pins that hold it together.

THANK YOU!!! I can't wait to finish this project!

Looks awesome, hope you got better (about your neck)
Can't wait to see the rest of it

Thanks. I have finished the chest/upper body of it. I'm sorry I haven't posted an update. I have some other projects I must finish in the next couple of weeks. I'm hoping to have the update posted around the end of the month.

I'm much better now, been out of the neck brace for a couple of weeks.

I am curious why you are printing something like this out of PLA?
ABS or even PetG seem like the better options, personally I would go with ABS for its rigidity.

Also curious why your so against glue? Some plain ol super glue works amazing on PLA, ABS, PetG, and most types of nylons.
Along with pegs like your already using and stuff goes together better than bolted. Also with ABS you have the option of using acetone as a glue...and this actually works better than superglue...though it does take a while to set up.

Awesome build so far, will be keeping an eye on this one.

I started out using PLA. Design, print a couple parts here and there. After I got so far with it I didn't want to change the material. I like the challenge of not using glue or if a part breaks it can be easily disassembled.

me pongo hacer este exo esqueleto imemdiatamente. subire como queda. eres grande

I am sorry, I do not speak Spanish.

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