Foreign matter contamination is not just a problem in the booth. We will explain measures against surface defects by dividing the sources into four categories.
The defects on the painted surface are easily found during the customer's visual inspection and can lead to sorting and repainting issues. If the cause is narrowed down solely to the painting booth, it may not be possible to prevent recurrence. The sources that need to be checked are the booth, jigs, work clothing, and transportation routes. Even a single particle of dust can enter under the paint film and create a bump, leading to unstable film thickness in the surrounding area. Additionally, moisture can enter from around the foreign object, potentially leading to rust or peeling. Initially, we check the size of the bump, the surface where it occurred, the location of occurrence, and the reproducibility with the same jig. Countermeasures include determining the cleaning frequency, the cleaning cycle for jigs, management of work clothing, and the arrangement of parts. By recording the production lot, occurrence location, and number of occurrences, it becomes easier to narrow down which process the contamination occurred in. Measures against foreign objects not only depend on equipment but also show differences in daily site management. Please utilize the painting process confirmation materials for inspections. By not only strengthening cleaning but also categorizing where contamination occurred into the four sources, unnecessary measures can be reduced.
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basic information
Measures against foreign object contamination, paint defects, appearance defects, jig management, booth cleaning, metal painting.
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Applications/Examples of results
Improvement of foreign matter contamination in automotive parts, construction hardware, industrial machinery, and metal products, as well as appearance quality control.
Company information
We are not just a "subcontracted painting factory." Established in 1958, our company has a foundation of painting technology and also specializes in chemical treatment, stripping, and cleaning, functioning as the "external surface treatment department" in your organizational chart. Based on our philosophy of "preparation is eight-tenths of the work," we emphasize participation from the "upstream process" before the drawings are finalized. We conduct test painting on a wide range of metals and difficult materials, and we produce the entire process from assembly, packaging, to delivery, thereby reducing your management workload. Additionally, by being able to perform zinc phosphate treatment in-house, we achieve stable painting quality. Furthermore, our micro-heating stripping technology, which does not use chemicals, maintains the electrical state of the "jigs (hangers)" that influence painting quality. Our approach of "pre-treatment determines painting quality" ensures the stability of the paint film during mass production. Rather than simply "applying specified standards," we work backwards to achieve optimal painting specifications and prevent scratches during transportation, sparing no effort in thorough discussions from the outset. This diligent preparation is the shortest path to preventing rework and minimizing total costs. From the development stage, please utilize the expertise of our specialists as part of your production line.
