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In laser cutting, especially for bevel cutting applications, a sensor head plays a critical role in ensuring precision and accuracy. 
 

1. Laser Measurement: The sensor head incorporates laser measurement technology to assess the angle of the material surface. This can involve either a single laser beam or a laser triangulation method, where multiple beams are used to determine surface angles.

2. Surface Detection: The laser beams emitted from the sensor head interact with the material surface. By analyzing the reflection or deflection of these beams, the sensor head can accurately determine the angle of the surface.

3. Data Processing: Once the angle is measured, the sensor head transmits this data to the CNC control system or laser cutting machine's controller. The controller processes this information to adjust the cutting parameters for the desired bevel angle.

4. Real-Time Adjustment: During the cutting process, the sensor head continuously monitors the material surface angle. If any deviations from the target angle occur due to material irregularities or other factors, the control system makes real-time adjustments to the laser cutting parameters to maintain the specified bevel angle.

5. Feedback Loop: The sensor head and control system create a feedback loop, ensuring that the cutting process remains accurate and consistent throughout the operation. This feedback mechanism helps optimize cutting speed, laser power, and focal distance for optimal results.