Mechanics and Construction > Mechanics and Construction

Robotic arm

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If you do move away from using a hobby servo you may want to consider using a worm gear to drive. This would allow you to support your load without keeping the motor powered.

Oh that sounds nice.. Will the worm gear be connected to the servo so that the torque gets higher??

Yes the worm gear would work to increase your output torque.

Backlash can be a concern in some applications but I suspect your arm will not be going completely vertical and your loads will be static. This means the torque on the drive will always be in one direction and the backlash will probably not cause a problem.


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