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Shot sleeve and shot unit for a die casting machine
Shot sleeve and shot unit for a die casting machine
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机译:压铸机的压射套和压射单元
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摘要
A shot sleeve for a die casting machine includes an elongated hollow body for receiving and guiding a shot plunger. This body defines an elongated chamber of predetermined cross-section having a front opening leading to a sprue runner of a die. The cross-section enlarges over part of its length towards the front opening. The plunger's front surface can include a conical surface which tapers away from a perimetrical scraping edge of the plunger, the conical surface having an axial end surface of smaller cross-section than the perimetrical edge. The arrangement allows undesirable material such as scrape peripheral portions of a slug of semi- solid metal to be trapped in a biscuit which remains in the shot sleeve after formation of a part.
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