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Injection molded thermoplastic parts typically display parting lines induced by the mold components where the mold segments come together during the molding of the part. This line can be more or less severe depending on mold wear, clamping pressure, mold cleanliness, and a host of other factors. In many cases the resulting excess "flash" at the parting line can cause parts to fail to meet specifications. In particular, molded parts that subsequently go through chrome plating processes can be a problem as the plating process serves to magnify the flash, potentially yielding sharp edges at the parting line. NPT has developed a system that is capable of analyzing the height of the parting line flash and through focused application of a stream of hot air, our system can reduce the height of parting line flash by at least 50% and often - depending on the nature of the thermoplastic we are working with - cause the flash to be entirely removed.
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