Mechanics and Construction > Mechanics and Construction

Need help with 1000 lb capacity robotic arm

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hoover_32091:
I need help in selecting motors for an arm design I have. The arm is comprised of three linkages. The first and third linkages are both 32" long and the center linage is 10" long. In the closed position, the arm is 54" tall. The base motor rotates clockwise. At the same time, motor 2 rotates 180 degrees extending the 10" linkage up. Motor 3 rotates to keep the third linkage straight up and down. The original concept was a pneumatic cylinder that raises up and leans over 3 feet. I think the arm is a better idea. Where can I find motors with the torque required to lift 1000lbs up 10" and move it to a work table three feet away?

airman00:
why not just buy an industrial arm ( it might be cheaper)

hoover_32091:
I need the arm to fit under a 40" roller table. I cannot find any arm's that meet this criteria.

ed1380:
ues this
http://www.societyofrobots.com/robot_arm_calculator.shtml
to see how much torque you need for teh motors and start searching from there

Gertlex:
Correct me if I'm wrong, but one would want to gear down a motor in order to get such a high amount of torque (99% of the time)... Thus you need to look at motor-gear combinations, not just motors themselves.

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