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Mechanical Design & CAD

Discuss anything related to the physical design of robots.

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Dear friend, i am trying to design a robotic arm with 5 degrees of freedom. i will connect the arm motors with a power source. Is this necessary to give bake for all motors ? so that the arm will no...

2017-12-27 10:15 by CBenson
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Hello, I'm interested in making a 3d printed cover to go on my Phoenix hexapod. Does anyone know where I could find a 3d model of a Phoenix top body plate to design off of?...

2017-12-05 11:11 by bdaouas
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I am doing my final year mechatronics engineering project on autonomous window cleaning robot. It is an agv with a robotic arm with 2 degrees of freedom. How do I calculate robot specifications and th...

2017-11-30 08:48 by CBenson
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I am designing a device using a servo ( Futaba S3114 ) that I have never used before and do not have an example in my hands. All I can go by is the drawing included with the description and linked dat...

2017-11-13 16:51 by DiaLFonZo
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I do not know how call it, but I mean something like these pics: https://i.stack.imgur.com/PoEoE.jpg https://i.stack.imgur.com/TacFa.jpg Can I find some...

2017-09-15 09:24 by bdaouas
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Is is possible to cascade two linear actuators(firs one servo and second one soleniodal) such that you give input to the servo and get output actuation from the soleniodal actuator ? If so , how do yo...

2017-06-08 09:59 by CBenson
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I like to make a underwater ROV with Raspberry camera, what else I need? Complete neewbie here... What I need it’s a basic idea of what i need. My Guess... Enclosure — Camera Raspberry Pi 2 —...

2017-04-03 08:22 by CBenson
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Hello, My name is Vincent and I recently began building model ships out of wood. Here is a sample of one I'm working on now. photo.jpg One of the details of a model ship is the rope. Making rope to...

2017-03-15 12:29 by CBenson
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Hi all! New here... Hoping someone can help :-) . I've searched everywhere to find a shaft adapter for the FS90R with a 21 tooth spline. My goal is to drive a worm gear, so the shaft has to be a s...

2017-03-06 16:35 by bschuhma
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Hi everyone, Not sure if this is the right zone to ask.. If i explain the project you can have a look! We are trying to build a basic linear actuator / moving drill system. There will be 12 lightwei...

2017-02-15 01:30 by kalarmin
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I'm working on a project for a small robot stand that will hold a stylus and tap a tablet. I bought a pan and tilt set from Adafruit with two servos that looks like it will get the job done in terms o...

2017-01-27 00:49 by KM6VV
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I'm making a rewinder for my dog's very long (100 ft) leash. I have all the components and have a prototype made but I have one problem. I want the spool, attached to the motor (a drill motor wit...

2017-01-17 13:05 by DiaLFonZo
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Working on a Lever Powered Assistive Mobility Drive for a Common Manual Wheelchair - INVACARE EX2 - Have explored several means to "Catch/Release" the 9 spoke Wheel to permit selective FWD/R...

2017-01-03 13:04 by CBenson
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how can i make my device use less power and where can i find someone who will design the unit for me...

2016-12-19 09:41 by nickosinski
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I want to build a robot in this fashion: http://www.robotshop.com/en/robotis-op2-advanced-humanoid-robot-us.html But I want it to be a little bigger, so that the head can carry a Kinect, Do your p...

2016-10-24 02:22 by NastyCage
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Is it unwise to completely attach a link to say, an aluminum or steel horn for a heavy high torque servo? The alternative is to build some gearing mechanism with ball bearings (building something simi...

2016-09-15 07:46 by CBenson
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Hello, I am planning on doing a fairy cosplay (think Tinker Bell type fairy) and I would like to add a motor to the wings I will be building so that I can give them a forward and back (not up and dow...

2016-07-08 11:07 by CBenson
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What are the dimensions of the mount holes and relative position to the dimensions which are listed as 46x50x20mm...

2016-06-27 07:56 by CBenson
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hello everyone. I need some help on how to design a 3 axis cnc mill small scale with help of 3 servo motors form scratch. please advice all components and material which i must use. thank for help...

2016-06-01 09:47 by CBenson
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Hey guys, i'm new to robotics and need some help c: I'm really into airsoft, and i go to MilSim events ( Its where they have real military vehicles and is very realistic. Well i have wanted to build a...

2016-04-11 11:40 by CBenson
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I need help to design the mechanical part of a mobile robot with 2 driver wheel and 2 castor wheel. If it can be done, please reply for further information....

2016-02-23 11:17 by Gulia
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Hi forum, I am trying to build an actuator based TV cabinet. In this regard, I have a mechanical design query. I have bought a 30'' Stroke 400lb Force Linear Actuator now want to make the Actuator ...

2016-02-08 09:20 by CBenson
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Hello everyone, I'm working on a sumo robot (non-magnetic style ) and i'm hesitating between two forms , the usual form IMG_20151220_072252.jpg or like a tank form FJPMP7KFIHVM2OZ.MEDIUM.jpg , ...

2015-12-30 09:20 by slatour
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This project is fresh and so developments are still being made, but having said that when have i ever been able to hold my projects away from everyone here: :lol: Project developed for (undisclosed...

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2015-09-11 16:09 by Basith
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Hello guys, i am currently doing up on an Final Year Project which requires us to make a stewart platform. As i am new to it, can i check if anyone would be kind enough to list out a step by step guid...

2015-09-03 09:40 by CBenson
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Sir, I'm a student of engineering (Electronics and communication). I want to build a humanoid robot, but I need help in mechanical part. will you help? Bhartendu Thakur (bk007.com@gmail.com)...

2015-03-02 10:17 by CBenson
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We have a drone, we wold like to know what type of parts are required or recommended when building one from scratch. We want to be able to program the drone, give it special features, and have it fly...

2015-02-02 10:12 by DiaLFonZo
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Hi all, Forgive me for my boldness, Does anyone have a CAD model of their robot arm using Pipes and willing to share it? I am new to solid works, and will just like to see an actual built model usi...

2015-01-26 13:22 by Izy92
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Hey everyone, I came across this contest on the robotics subreddit and since I know the community here loves robots, I figured I'd share it! https://pinshape.com/contests/modular-robotics-design-co...

2014-10-29 12:41 by bionicmathlete
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bonjour, j'aimerai votre aide sur le calcul du couple en sortie d'un réducteur vis sans fin - roue. mon moteur: 280tpm, 488g.cm vis sans fin: 1 filet, diametre 5mm roue: 15 dents, diametre 17mm je ...

2014-10-28 12:31 by bagou91
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When calculating the size of the motor I need how do I account for the gear system? For example that of a bicycle....

2014-08-21 08:49 by CBenson
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Hi, Let me start by saying.. I don't know much of anything about mechanical or electrical engineering or anything. I just came up with an idea that I really want to create and was able to draw it ou...

2014-08-14 20:27 by DiaLFonZo
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I wasnt happy with the current Pull-Pull wheels available on the market... so with Eric- DiaLFonZo help iv made some. PRINTED! 8) They fit directly to the SES hole pattern so adding them to a serv...

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2014-04-07 08:58 by CBenson
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Hello everybody! I am attempting to build a 4-wheeled robot that uses only two drive motors. How can I configure/mount the two non-driving wheels so that they are free to rotate? Are there parts av...

2014-03-17 13:58 by CBenson
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3D Printed Animatronic eye rigs. I can also make custom sizes and designs. These mechanical eyerigs were originally started a prototype concept for a project. I have now made these available for ...

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2014-03-16 08:01 by DiaLFonZo
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Hi There, The following drawing for the 8mm shaft is not dimensioned properly. Could I get the correct thread detail for the shaft end? I assume the 12mm dim is referring to thread depth. http:/...

2014-03-03 10:06 by DiaLFonZo
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hi, I'm building a track robot (Im new in robotics) and I was wondering what do I need. (I already did my research but I still need more help/tips) Like how many actuators I need or how what type of s...

2014-02-19 09:10 by CBenson
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i want to make a watch the has a single handed design that rotates 330 degrees or so. Is it possible to make a software/hardware installation small enough to put into the back of a watch? Here's m...

2014-02-14 12:05 by CBenson
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Hi, i am starting a new project and i need some help. I want to build 4 motor tracked robot, its weight would be about 2 kg. 1 question would be: Is it a good idea to build 4 motor tracked robot ins...

2014-02-13 14:49 by CBenson
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Hi, I need some parameters or indices to compare two robots (comparison of their configuration and motion in order to find out the better robot). Do you know any? Or May you please give me a few k...

2014-02-03 09:51 by CBenson
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I am interested in building a manipulandum. This is a device where a subject grasps a (vertical) handle, and can move the end of device only horizontally (front/back, left/right and combinations of th...

2013-12-18 09:41 by CBenson
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We plan to build a robotic arm as a school project, about 70 cm high. (As an industrial robot in miniature). The base is supposed to be rotating. The plan is that it should be able to lift about 300 g...

2013-11-21 14:05 by maand
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Hi, I'm looking for a technical drawing that specifies the dimensions for the RB-Dfr-40 line tracking sensor. All that the data sheet indicates is 10mm x 35mm. (I need things like height, exact senso...

2013-11-19 09:06 by CBenson
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I am currently doing a college project using stepper motors. I want to buy 12V 0.4A 36oz-in Unipolar Stepper Motor, product name: RB-Soy-03, but I cannot find an appropriate set of wheels for them. C...

2013-11-13 09:51 by CBenson
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Bonjour, Est-ce que le produit RB-Dig-94 est bon pour le stepper-motor NEMA 17 ? Merci...

2013-11-04 09:17 by CBenson
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I want to build a robot using the Vex 4'' Mecanum Wheel Set ( Vex page ). To utilize the wheels without re-machining them, I would have to use some length of what the VEX 12'' Long Square Bars are...

2013-10-29 21:25 by Rhodude
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Hello, I'm looking for physical dimensions for Lynxmotion's 2" passive idler hubs. Drawings would be ideal. https://www.robotshop.com/ca/lynxmotion-hub-11-passive-idler-hub.html ...

2013-09-27 15:14 by CBenson
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Bonjour à tous, J'ai reçu mon système DDT560 tout neuf: https://www.robotshop.com/eu/systeme-dinclinaison-direct-ddt560-servocity-hitec.html mais je n'arrive pas à fixer l...

2013-09-11 10:49 by ArnaudTlse
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Hello, I would like to get your opinion on the new project i'm working on. 1st of, let's start with the beggining : My 1st language is French*. I might make mistakes in spelling or the way...

2013-09-05 08:55 by Insane Alien
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Hello I am looking for help in motor sizing for my delta robot application which we are developing in India for first time. We are not aware of the kind of calculations which go behind the comple...

2013-08-29 08:00 by CBenson
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