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Laser Range Sensor?

Laser Range Sensor?

Laser Range Sensor?

(OP)
Our production line is destroying hall effect sensors. They are temporarily mounted on an axle to sense a steel wheel position as it is pressed on to the axle. When in range, the two wire switching sensor simply halts the hydraulic press cycle. The close proximity of this sensor to the wheel, its wiring, and mounting are proving cumbersome and time consuming for the operator to install and remove.

I would like to reposition an image sensor to the press anvil about ten feet away and be able to program 4 different dimensions. The sensor must have an accuracy +/- .020 inches and a response time of >100 mSec. Although the wheels are rusty, the area reflecting the light source could be sanded clean or could accept a temporary magnetic reflector target if necessary. Working within the constraints of an off the shelf product would obviously be my first choice. Does anyone know where I might find one?

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