With the rising cost of raw materials, what is quality control in metal coating to reduce repainting losses?
In an era where paint, energy, and labor costs are rising, effective process management to reduce repainting is essential.
■Cause of Occurrence: In metal coating, invisible costs arise with every defect. Reusing paint, restarting drying ovens, re-inspections, and adjusting delivery dates. Repainting simultaneously increases losses in paint costs, electricity, gas, labor, and inspection man-hours. In an era of rising raw material costs, a single defect cuts into profits. ■Truth: The loss per item may seem small, but repainting 5 out of 100 items results in a defect rate of 5 percent. If this continues weekly, the burden accumulates across all processes. If it leads to delays in delivery or a lack of trust in quality, the losses exceed the numbers. ■Improvement Measures: Not only should defects be identified in the final inspection, but also the degreasing, surface preparation, drying, film thickness, and curing conditions should be checked at each stage to trace back the causes. Issues like pinholes, runs, poor curing, and paint peeling occur simultaneously due to inconsistencies in pretreatment or film thickness. Please utilize materials that can help organize pretreatment, film thickness, and curing conditions.
- Company：永和工芸
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