25-line electronic handwheel with metal code disc

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Advantages

1. No mold required; uniform perforation, vertical lines, no burrs; high precision, no clogging or broken lines;

2. Customizable according to customer drawings and requirements, customer LOGO can be added for branded production;

3. High precision, small lines can be as fine as 0.05mm;

4. Good thermal stability, more stable performance in high-temperature operation during high-speed rotation;

5. High shock resistance, not easily deformed or broken;

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A digital encoder for measuring angular displacement. It has strong resolution, high measurement accuracy, and reliable performance, making it a commonly used displacement sensor for measuring shaft rotation angle.

The code disc (grating disc) has several rectangular holes evenly distributed on a circular plate of a certain diameter. Since the photoelectric code disc is coaxial with the motor, when the motor rotates, the code disc (grating disc) rotates at the same speed. The detection device, composed of electronic components such as light-emitting diodes, detects and outputs several pulse signals. By calculating the number of pulses output by the photoelectric encoder per second, the current motor speed can be determined. (As shown below)