Homemade hydraulic robotic arm

Written by micah mcdunnigan
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Homemade hydraulic robotic arm
Robotic arms can serve a number of functions. (Jupiterimages/Photos.com/Getty Images)

Robotic arms are devices which emulate the function of a biological arm: they can extend, retract and frequently have something attached to the end to manipulate objects or serve other functions. Those with some technological know-how can create a hydraulic robotic arm at home.

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Hydraulics

Hydraulic robotic arms are devices where movement is regulated by hydraulic pressure. The mechanic uses fluid pressure to force the arm to extend or retract. Robotic arm makers can engineer their own hydraulic system, or purchase systems that operate generic gears to which the makers can attach their own machinery.

Sensors

Robotic arms can have the functionality to detect when they are about to run into something. Robotic arm makers only need to include proximity sensors on areas that are most vulnerable to hitting things, such as the end of the arm, and have the proximity sensor stop the arm's engine when the sensor is activated.

Engines

To make your robot move, you can either purchase a robotics kit and adapt the engines to your own purposes, or you can buy the engine from a R/C car. You can adjust the gears on the engine that respond to different commands from the remote to interact with your hydraulic system to make your robotic arm move.

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