CPK of most variable reluctance resolvers are >1.33 and the accuracy are 2°el, but some high standard buyers always ask CPK <=1.33 and accuracy is 1°el, how to make it?

To ensure that the CPK of the reluctance rotary transformer reaches 1.33 and the accuracy is 1 ° el, the following aspects can be controlled:

1. Design optimization

-Material selection: Choose materials with high magnetic permeability and low loss to ensure a reasonable magnetic circuit design.

-Structural design: Optimize magnetic resistance and winding layout, reduce magnetic circuit asymmetry and leakage, and improve signal accuracy.

2. Manufacturing process control

-Processing accuracy: Ensure the processing accuracy of key components such as rotors and stators, and reduce size and shape errors.

-Assembly accuracy: Strictly control the assembly process to ensure that the alignment and clearance of each component meet the requirements.

3. Quality control

-Process control: Statistical Process Control (SPC) is used to monitor key parameters and ensure stable production.

-* * Testing equipment * *: Use high-precision testing equipment to ensure that product performance meets standards.

4. Calibration and Testing

-Calibration: Perform calibration after production to ensure the accuracy of the output signal.

-Testing: Conduct environmental tests such as temperature and vibration to verify the reliability of the product.

5. Data analysis and improvement

-Data analysis: Collect production data and analyze factors that affect CPK.

-Continuous improvement: Optimize design and process based on analysis results to enhance CPK.

6. Personnel training

-Skill training: Regularly train operators to enhance their skills and quality awareness.

-Quality management: Strengthen quality management training to ensure that all employees participate in quality control.

Through these measures, it is possible to effectively ensure that the CPK of the variable reluctance resolver reaches 1.33 and the accuracy is 1 ° el.