| Category | Cars |
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| Created | 2019-04-01 | ||||
| Owner | juniperqq | ||||
| Title | Common Quality Issues and Causes of Coils | ||||
| Description | 1. Anti-stick Features: The GI steel coil with spangles in stock is slightly peeled off during the unwinding, and the primer is similar to the granular granules of the millet, and the surface is uneven after the topcoat is applied. Cause: a. Cooling is not enough before winding. b. The steel coil is insufficiently baked. c. Part of the load is too large. 2. Crush injury Features: The lap of the coil after coating. Cause: a. The raw material roll is crushed. b. The steel coil is crushed by various rollers before coating. c. The steel coil is crushed after the coating and the coating. | ||||
| Consumption | |||||
| Broken | No | ||||
| Price | |||||
| Promotion level | None | ||||
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