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Common inspection methods for stamped parts

Publisher：TIREEY / Release Time：2024/04/09 / Number of clicks：144

Below is a brief introduction to common inspection methods for stamped parts

1. Touch inspection

Wipe the surface of the outer cover with clean gauze. The inspector needs to wear touch gloves to touch the surface of the stamped part longitudinally, and this inspection method depends on the inspector's experience. When necessary, suspicious areas that have been detected can be polished with an oilstone and verified, but this method is an effective and fast inspection method.


2. Oil stone polishing

2.1. First, clean the surface of the outer cover with a clean gauze, and then use an oilstone (20 × 20 × 100mm or larger) for polishing. Use a relatively small oilstone to polish areas with arcs and difficult to reach areas (such as an 8 × 100mm semi-circular oilstone)

The selection of oilstone particle size depends on the surface condition (such as roughness, galvanizing, etc.). It is recommended to use fine-grained oilstones. The direction of oil stone polishing is basically carried out along the longitudinal direction, and it fits well with the surface of the stamped part. In some special areas, horizontal polishing can also be added.


3. Polishing of flexible yarn mesh

Wipe the surface of the outer cover with clean gauze. Use a flexible sanding net to closely adhere to the surface of the stamped part and polish it longitudinally to the entire surface. Any pitting or indentation will be easily detected.


4. Oil coating inspection

Wipe the surface of the outer cover with clean gauze. Apply oil evenly along the same direction with a clean brush to the entire outer surface of the stamped part. Place the oiled stamped parts under strong light for inspection. It is recommended to place the stamped parts vertically on the vehicle body. By using this method, it is easy to detect small pits, indentations, and ripples on stamped parts.


5. Visual inspection

Visual inspection is mainly used to detect the appearance abnormalities and macroscopic defects of stamped parts


6. Inspection tool detection

Put the stamped parts into the inspection tool and inspect them according to the operation requirements of the inspection tool manual.


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