The “Three-Inspection” system refers to self-inspection, mutual inspection, and specialized inspection. This system is implemented to ensure product quality, combining self-checks, peer checks, and dedicated quality checks.
1.Self-Inspection: Workers in each process inspect the products they produce or the tasks they complete. This involves the “three self” principle—workers inspect their own work, separate qualified products, defective products, rework items, and reusable materials, and record the relevant data themselves. This step prevents defective products from moving on to the next stage of production.
2.Mutual Inspection: Workers inspect each other’s products, parts, and tasks. There are various forms of mutual inspection, such as random checks by the team’s quality manager on products made by their group, inspections of incoming products from the previous production stage, shift-to-shift handover inspections, and inspections between workers in the same process.
3.Specialized Inspection: Dedicated inspection personnel use specialized techniques, testing methods, and equipment to conduct thorough quality checks.
By adhering to this robust Three-Inspection system, manufacturers can ensure that intercoolers, radiators, and other vital components consistently meet high-quality standards, reducing the likelihood of defects and enhancing overall customer satisfaction.
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