Usually there is also some kind of sensor, to confirm that the teach position is good. For this example, maybe the bottom of the piston has a tiny button, and once it has touched down, the button activates. These sensor configurations also usually have on over-travel, so if the button is pushed too far, the piston will stop.
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Usually there is also some kind of sensor, to confirm that the teach position is good. For this example, maybe the bottom of the piston has a tiny button, and once it has touched down, the button activates. These sensor configurations also usually have on over-travel, so if the button is pushed too far, the piston will stop.
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