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| Question£º |
Shrinkage hole |
| reason£º |
In 1, the surface of the workpiece with grease
In 2, the surface of the workpiece.
3, different manufacturers or different types of powder mixed with each other |
| resolvent |
In 1, the workpiece must be clean
In 2, the surface of the workpiece grinding smooth
3, clean spraying equipment and recovery device, to avoid mixing different powder |
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| Question£º |
Bubble |
| reason£º |
In 1, the workpiece after surface treatment, water is not completely dry
2, there is a gap of smoothness of workpiece |
| resolvent |
1, strengthen the workpiece handling procedures
In 2, the surface to be polished smooth |
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| Question£º |
The film off |
| reason£º |
In 1, before the goods is not clean
2, curing temperature, time enough
In 3, the workpiece without falling film |
| resolvent |
In 1, the pretreatment of the workpiece must be clean
2, in accordance with the suppliers to provide appropriate temperature curing conditions improve or extend the time
3, sanded to remove oxide film |
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