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Good morning, friends from all industries! I remember last time I shared with friends that Xinyi Electronics Co., Ltd. has reached the IATF16949 automotive electronics industry standard. Today, I am here to talk with you about the quality control of SMT chip processing in the automotive electronics industry.
According to the statistics of relevant personnel, 31% of the quality problems of SMT chip processing in the automotive electronics industry are caused by improper process control. It can be seen that the quality control in the process of manufacturing is very important in the SMD process in the automotive electronics industry, and it is also an important way to improve the product quality. Next, I would like to share with you how to carry out quality control in the processing process of the automotive electronics industry.
The quality control of SMT chip processing in the automotive electronics industry is an important step to ensure the quality and production efficiency of the factory. For example, the reflow soldering process in SMT chip processing can control the temperature in the furnace through the furnace temperature control system and temperature sensor in the reflow soldering furnace, but the actual temperature of the solder joint on the pcb board is not necessarily equal to the preset temperature of reflow soldering. Although the reflow welding machine works normally, the temperature control is also within the temperature control accuracy of the equipment. However, the furnace temperature curve will also fluctuate due to uncontrollable factors such as the quality of pcb board, assembly density, and the number of pcb entering the furnace. Therefore, the temperature of the reflow welding machine must be continuously monitored to ensure that the quality of the product can be effectively controlled during processing.
Quality control requires technicians to have good measurement knowledge, statistical knowledge, causal analysis ability, and in-depth understanding of equipment performance. There are variables on the production line. The aging of equipment, the adjustment of personnel, and the quality of materials will all affect and restrain each other, causing fluctuations in the quality of automotive electronic chip processing products. Therefore, it is very difficult to adopt effective and continuous quality control methods without affecting production and increasing production costs.
At present, most of the SMT chip processing manufacturers in the automotive electronics industry adopt the quality assurance method of introducing advanced testing equipment to monitor the quality of the production process. In the reflow process, AOI optical inspection equipment is used for quality control.
Due to the high cost of automatic parameter adjustment and feedback in the quality control process, manual setting is also required. In this case, it is even more necessary for automobile electronic chip mounting enterprises to formulate some effective specifications and systems, strictly implement the established specifications, and realize the stability of the process through manual monitoring.
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