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Product burr (flash) is a common injection molding problem, and it is also a very easy injection molding problem.
2023/06/07
The most important part of the flash is the processing of the parting surface, that is, between the movable mold and the static mold, the sliding part of the slider, the matching gap of the insert, the hole of the ejector rod, etc. Excessive flash burrs are formed on it.
Such flashes play a pivotal role in molding. If they are not treated, it is easy to further increase the flash burrs, thereby causing depressions in the corresponding parts of the mold parting surface, resulting in a vicious circle of further increase of the brush. Therefore, if we find burrs during normal inspection and random inspection, we should trim the mold as soon as possible.
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