What are the types of servo guiding sensors and how to choose?

The principle of the sensor used on the correction machine is the same, and there are 3 commonly used: ultrasonic web guide sensor, sensor Line accuracy measurement and color mark sensors.

1. Ultrasonic edge guide sensor：a sensor that convert ultrasonic signals into electrical signals, suitable for impermeable coils, such as tape, film, etc.;

2. Photoelectric sensor: a sensor that uses photoelectric elements as detection elements; It converts optical signals into electrical signals, suitable for breathable coils, such as non-woven fabrics, sponges, etc.;

3. Color contrast sensor: It uses optoelectronic devices to detect reflected light and measure the surface color of objects , suitable for all colored materials.

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Ultrasonic Web Edge Sensor

Photoelectric sensor