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uArm is a miniature 4-axis parallel-mechanism robot arm, modeled after the ABB PalletPack IRB460 industrial robot arm.

It is made up of laser cut acrylic or wood parts, powered by standard RC hobby servos, and controlled by an Arduino-compatible board.

The basic design is Arduino-controlled, using 4 servos, with 4 degrees of freedom. Three servos on the base control the main movement of the arm and the last servo on the top moves and rotates the object.


uArm can be controlled with keyboard or mouse easily.


Using mouse to control uArm to play Cup Stacking via serial.


Now we are on Kickstarter, you can see more details about this robot here.

Step 1: Materials

Step 2: Base Assembly

Secure the two base plates via the corner holes, using four M4-10 rivets and four 32mm-M4 suction cups.

Step 3: Inner Turntable Assembly

Step 4: Outer Turntable Assembly

Step 5: Shoulder Plate Servo Assembly

Step 6: End Effector Assembly

Step 7: Fore Arm, Back Arm & Connecting Rod Assembly

Step 8: Install All the Parts Together to Make the Arm

1. Left Shoulder Plate to Base Assembly.
2. Back Arm to Left Shoulder Plate Assembly.
3. Servo Turntable to Right Shoulder Plate Assembly.
4. Right Shoulder Plate to Base Assembly.
5. Fore Arm to Back Arm & Connecting Rod to Left Shoulder Assembly.
6. Fore Arm Lever to Fore Arm Servo Lever Assembly.
7. End Effector to Fore Arm Assembly.
8. Electronic Module Holder to Shoulder Assembly.

The uArm robot arm is now completely assembled - Enjoy!

Step 9: Install the Electronic Modules on the Arm and Make It Move

Install the electronic modules on the arm and make it move.
<p>hello can you give me the dimension of robot arm !</p>
<p>Is there no lost of electronic components or am I just not seeing them? I want to order all the parts before I start printing. </p>
<p>Can you re-upload the link for the parts list and drawings? Thanks in advance!</p>
<p>can i know item descriptions for the non-custom-made parts?</p>
<p>materials size?</p>
<p>can i know the dimentions of small ball bearig </p>
ITEM DESCRIPTION<br>MF84ZZ LF840ZZ Shielded Flanged Model Ball Flange Bearing 4 x 8 x 3mm<br>
Does anyone know what the size the plastic spacers are and where I can buy them ?
what servo did you use
<p>hey, coll project, i am going to build one ;)</p><p>Looks like your google drive link don't work anymore,</p><p>i get a 404 when i try to follow the link.</p><p>Do you have a new location for the parts list and drawings?</p><p>thanks</p><p>;) michael</p>
<p>searching for plans and I found this. for an open source piece of hardware, very little has been released. when and where will the plans be available? Could you make an edition that is not in CAD so that those of us without CAD can still play with the designs?</p>
<p>https://drive.google.com/folderview?id=0BxLzNXOK7POafnNkbWkwMFBvWFZkTVptNXdySkR4akl3aEYwVkczd2xyR0RLcW9yWEp4LWs&amp;usp=sharing</p>
<p>Try this.</p><p><a href="https://www.instructables.com/id/Pocket-Sized-Robot-Arm-meArm-V04/" rel="nofollow">https://www.instructables.com/id/Pocket-Sized-Robot-Arm-meArm-V04/</a></p>
<p>https://drive.google.com/folderview?id=0BxLzNXOK7POafnNkbWkwMFBvWFZkTVptNXdySkR4akl3aEYwVkczd2xyR0RLcW9yWEp4LWs&amp;usp=sharing</p>
<p>Hello! We are university students (Colombia)</p><p>Can we get the sources files (design) for print the materials?</p><p>We hope that you can help us! Thanks!</p>
<p>https://drive.google.com/folderview?id=0BxLzNXOK7POafnNkbWkwMFBvWFZkTVptNXdySkR4akl3aEYwVkczd2xyR0RLcW9yWEp4LWs&amp;usp=sharing</p>
<p>Hey, you can find the source files at the top of the page</p>
<p>Hi! Nice project!! Is it open source? Is it possible to download the plant? I've searched on your website, gitHub and Open Source Hardware websites but didn't find it.</p><p>Thanks!</p>
<p>https://drive.google.com/folderview?id=0BxLzNXOK7POafnNkbWkwMFBvWFZkTVptNXdySkR4akl3aEYwVkczd2xyR0RLcW9yWEp4LWs&amp;usp=sharing</p>
<p>you may can try this:https://www.instructables.com/id/Build-a-multi-controlled-high-precision-desktop-ro/ its original files have been posted on grabcad.</p>
<p>disculpen tendran planos de el brazo robotico </p>
<p>as I can find measures cadaq piesa recomiedan paging me to know</p>
<p>Awesome Project !!<br>How can i buy this robotic arm. i am very much interested to integrate it with my UGV.</p>
<p>Hi Faizan, </p><p>You can back us on Kickstarter.</p><p><a href="https://www.kickstarter.com/projects/ufactory/uarm-put-a-miniature-industrial-robot-arm-on-your" rel="nofollow">https://www.kickstarter.com/projects/ufactory/uarm...</a></p>
<p>It is possible to get plans for this robot arm?</p>
<p>Awesome! Great project! Congratz!</p>
<p>Thank you so much msaleiro!</p>

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