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This electrical contact probe is made up of a standard pogo pin and receptacle and a nylon screw, as seen in Fig. 1.
English (United States)
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Robot Contact Sensor
This electrical contact probe is made up of a standard pogo pin and
receptacle and a nylon screw, as seen in Fig. 1.
The nylon screw 3 has a hole drilled through it and the pogo pin receptacle 2
is press fit into that hole. The pluggable pogo pin 1 snaps into the receptacle.
The contact pallet surface is wired so that when the contact sensor makes
contact with the pallet, a circuit is completed to the robot input module, thus
enabling the robot to detect contact.
In use, the robot moves to a point close to the pallet and then moves toward
the pallet until contact is made. Once contact is made, the robot switches
direction and moves away, at a slower increment, until contact is broken. The
robot, moving back and forth, converges upon the point using interval (increment)
halving. The point is converged to within a specified tolerance, limited by the
accuracy of the robot.