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Hello everyone! I am a quality management professional at a manufacturer specializing in inverters and servo motors. With 15 years of experience in this industry, I’ve encountered and analyzed numerous product failures. Today, I’d like to share my insights with you.
 
First of all, many private enterprises in China do not place enough emphasis on the actual operation of quality management systems. As a result, when inverters and servo motors experience failures, such as explosions, the common response is to attribute the issue to client-side overcurrent or overvoltage, without identifying the true root cause. This lack of understanding leads to repeated unresolved issues, ultimately resulting in customer loss.
 
At Shanghai Jieenlu Electronic TechnologyCo., Ltd., we specialize in producing inverters and servo motors. From the inception of our company, we have prioritized the establishment and implementation of a robust quality management system. We have developed and strictly enforced quality assurance process flows for every project. In the inverter industry, we have achieved a PPM (parts per million) defect rate of 200, approaching the standards of the automotive industry.
 
Key Quality Control Measures:
       1.    Material Preparation:
Before production begins, it is critical to organize the BOM (Bill of Materials) for inverters and servo motors. Ensure that the specifications of every electronic component and accessory meet the required standards, guaranteeing product longevity.
       2.    Thermal Management:
       •      Confirm that electronic components can operate within their designed temperature ranges.
       •      Ensure that soldering temperatures for reflow and wave soldering processes are appropriate.
       •      Use low-volatility, high thermal conductivity thermal grease to prevent IGBT overheating. Poor thermal management can lead to thermal grease evaporation, resulting in explosions.

       3.    PCBA Production and Traceability:
       •      Proper management of reflow and wave soldering temperatures.
       •      Traceability of repaired products.
       •      Effective ESD (Electrostatic Discharge) management.
       •      Continuous monitoring of temperature and humidity during production.
       •      Comprehensive factory testing.
 
By paying close attention to these details, even if an explosion occurs, it is possible to trace the issue back to its source, identify the root cause, and implement continuous improvements. This enables us to gradually enhance product quality and achieve low failure rates and PPM levels.
 
Our AGD310, AGD300, and AGD310 series products, ranging from 0.5KW, 0.75KW, 1KW, 1.5KW, 2.2KW, to 50KW, undergo rigorous design validation and assessment. Only after passing all tests are they introduced to the market, where they have gained an excellent reputation.
 
At Shanghai Jieenlu Electronic TechnologyCo., Ltd., we are dedicated to providing top-quality inverters and servo motors, adhering to the principle of serving our customers and striving to become a premium cooperative supplier in China.
 
For collaboration inquiries, please contact us:
Company website: https://www.sh-jieenlu.com/
WhatsApp: +15001775783