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Robot Arm Torque Tutorial

Posted on February 28, 2013

By Coleman Benson & filled under Dynamic Tools, How To Make a Robot, Mechanics.

This tutorial is intended to complement the Robot Arm Torque Calculator found in the Dynamic Tools section of GoRobotics. The equations used in the calculator to determine the torque required at any given lifting joint (raising the arm vertically) in a robotic arm are presented here. Note that the term “actuator” is used rather than motor because [...]
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History of Robotics

Posted on April 09, 2012

By Coleman Benson & filled under Industry.

This section is intended to provide you with an overview of the history of robotics. As you may have guessed, the history of robotics is intertwined with the history of technology, science and the basic principle of progress. Technology used in computing, electricity, even pneumatics and hydraulics can all be considered a part of the [...]
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Basics: How Do I Choose an Actuator?

Posted on February 20, 2012

By Coleman Benson & filled under Where to Start.

An actuator is a device that converts electrical energy into physical motion. Choosing the right actuators (which include DC motors, gear motors, servo motors, linear actuators, muscle wire etc.) requires an imagination and a bit of math and physics. The vast majority of actuators produce either rotational or linear motion though combinations thereof can lead to complex motion. [...]
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Gears EDS

Posted on January 25, 2012

By Coleman Benson & filled under Robotics Projects & Kits.

About Gears EDS The GEARS-IDS Invention and Design System gives teachers the industrial strength tools they need to create world class engineering and robotics challenges for their students in the comfort and convenience of their own classrooms. The GEARS-IDS Invention and Design System is offered as the world’s first engineering education construction system utilizing industry [...]
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Fischertechnik Robotic Projects

Posted on January 12, 2012

By Coleman Benson & filled under Robotics Projects & Kits.

About Fischertechnik Fischertechnik computing kits come in all shapes and sizes, each allowing the exploration of modern systems controlled by computer logic and makes it easy to build a robot yourself, even walking robots! Leading educators across the United States, Canada and the world have adopted Fischertechnik as their recommended robotics construction system after careful [...]
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... battery pack or gasoline engine - because of the weight, it's not practical. The forces involved are not significant. Hydraulic: Same situation as pneumatics, but can generate tremendous forces - you need an electric or gasoline compressor. Servo: Almost all humanoid robots are servo based (or ...
2013-08-12 08:08 by CBenson
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... would be a better choice. I'm leaning towards electric linear actuators because the actuators would be the only thing which would use the pneumatics or hydraulics, but I figured I would ask prior to purchasing. Also, what would be the best way to drive the actuators? Should I use a dual ...
2013-05-18 01:56 by osfreak
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Quote:
pneumatics/hydraulics robotic arm


In the past we have sold small pneumatics equipment, but we have never offered anything large scale, and have yet to touch hydraulics. Perhaps another member here has had some experience with large scale pneumatics or hydraulics for use in a robot arm.
2012-07-06 09:21 by CBenson
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Good day, I am a mechanical designer, that work on a project and need to build a pneumatics/hydraulics robotic arm. The arm need to grab an array of objects one by one, and release it at a certain location/position. I would like to know where I can get help on this ...
2012-07-06 07:45 by Jakes
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... Forum. At this time RobotShop does not provide design / consultation services. In order for an object to move quickly, you may want to consider pneumatics . RobotShop is slowly building up our selection of pneumatics products which can be easily used in Robotics. Perhaps a member here would ...
2011-09-14 10:18 by CBenson
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The 1.2 lbs should not be a problem for the larger servos. I wouldn't know where to start with hydraulics or pneumatics.
2011-08-31 09:43 by Robot Dude
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... from components. @Jim That's for the info on the larger servos. Question: Am I going about this the wrong way? Should I be looking at hydraulics, pneumatics instead? Obviously, the parts can be re-purposed for other projects, but I'm wondering if I'm crossing a threshold for a hobby project. (Not ...
2011-08-30 21:16 by dshookowsky
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... in order to make the calculation. A more compact (but significantly slower) system would use a DC linear actuator . The ideal system would use pneumatics. Hope this gets you on the right track,
2011-04-11 08:06 by CBenson
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Hi wirefox, Welcome to the RobotShop Forum. To get the most realistic breathing, you would need pneumatics and an air bladder (compressor, variable solenoid driver, bladder). The solenoid driver would be controlled by a microcontroller. In essence it's just like inflatign ...
2011-02-25 16:47 by CBenson
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Here is an update to the video. There is a little more of the mounting system and the pneumatics that make it work.

2010-09-16 23:41 by cpfogarty
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... able to build a fairly complex robot on your own. Also i should note i have a 3s 5000mah lipo battery, and was wondering if anyone here is using pneumatics as a way to build stronger robots? Pneumatics can definitely provide a lot of power in a small package but the main limitation for use on ...
2010-01-25 18:33 by RobotNoob
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... use of this robot and components specifically. Also i should note i have a 3s 5000mah lipo battery, and was wondering if anyone here is using pneumatics as a way to build stronger robots? Pneumatics can definitely provide a lot of power in a small package but the main limitation for use on ...
2010-01-25 11:11 by tobor
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... to have a fixture that can position the finished assembly to be tested. Also, note that a lot of the automated test fixtures I see choose to use pneumatics rather then solenoids and servos to "press keys", rotate knobs and the like. Alan KM6VV Can't replace the keypad with anything. ...
2009-10-06 15:14 by KM6VV
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... different approach and select an actuator technology and then determine the load they can support. I can only image high power linear actuators, pneumatics or hydraulics would work. Would you also look to make each leg 3DOF? A 2DOF leg may prove far less expensive and give similar results. Do ...
2009-09-01 16:07 by CBenson
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If you really want the bot to get some air time, you will probably need something like pneumatics to have the needed quick motion. I'd look at something like the guts of a CO2 paintball gun and a piston. Battlebot flipper setups have fast action. The leg attachement ...
2009-07-15 20:01 by zoomkat
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