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Step 4CNC Type Robot Controller
Pic 5 shows the CNC type robot controller. Four servos provide motions to the one cubic inch neodymium magnet which the gimbal mounted magnet in the robot follows.
For the x and Y axis a high torque servo with a pulley and fishing leader pulls on the fiberglass platform. A spring opposes the motion. The platform rests on two telescoping brass tubes that act as a linear guide. Plastic bearings made from a plastic cutting board, on either side of the linear guides, keep the platform level.
This particular robot controller has a limited range of a few cubic inches. This should eventually prove more than adequate to control truly microscopic robots which may only require a range of a few cubic centimeters.
For the x and Y axis a high torque servo with a pulley and fishing leader pulls on the fiberglass platform. A spring opposes the motion. The platform rests on two telescoping brass tubes that act as a linear guide. Plastic bearings made from a plastic cutting board, on either side of the linear guides, keep the platform level.
This particular robot controller has a limited range of a few cubic inches. This should eventually prove more than adequate to control truly microscopic robots which may only require a range of a few cubic centimeters.
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