Body bracket stamping parts
The stamping parts of the car body bracket are made using stamping technology, and the inspection method for stamping parts is as follows:
Touch inspection
Wipe the surface of the outer cover clean with clean gauze. The inspector needs to wear touch gloves and touch the surface of the stamped part along the longitudinal direction, which depends on the inspector's experience. Oil stones can be used to polish the suspicious area being detected and verify it, but this method is still a viable inspection method.
Oil stone polishing
1. First, use clean gauze to wipe the surface of the outer cover clean, then polish it with an oilstone (20 × 20 × 100mm or larger), and use relatively small oilstones (such as 8 × 100mm semi-circular oilstones) to polish areas with arcs and difficult to reach areas
2. The selection of oil stone particle size depends on the surface condition (such as roughness, galvanizing, etc.). Suggest using fine-grained oilstone. The direction of oilstone polishing is basically along the longitudinal direction, and it fits well with the surface of the stamped part. In some places, horizontal polishing can also be added.
Flexible mesh polishing
Wipe the surface of the outer cover clean with clean gauze. Use a flexible sand mesh to tightly adhere to the surface of the stamped part and polish it longitudinally until the entire surface is covered. Any dents or indentations will be easily detected.
Oil coating inspection
Wipe the surface of the outer cover clean with clean gauze. Use a clean brush to evenly apply oil in the same direction to the entire outer surface of the stamped part. Inspect the stamped parts that have been coated with oil under strong light. It is recommended to place the stamped parts vertically on the vehicle body. This method can easily detect tiny bumps, dents, and ripples on stamped parts.
Visual inspection
Visual inspection is mainly used to discover visual abnormalities and macroscopic defects in stamped parts.
Inspection tool testing
Place the stamped parts into the inspection tool and inspect them according to the operating requirements of the inspection tool manual.
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