双色球斜连走势图

砂铸铝件,铸铝件-泊头市顺平模具制造有限公司

砂铸铝件在铸造形成过程中,容易产生内部疏松、缩孔、气孔等缺陷,这些含有缺陷的铸件在经过机加工后,表面致密层部件被去掉而使内部的组织缺陷暴露出来。对有密封要求的汽车砂铸铝件,如气缸体、气缸盖、进气歧管、制动阀体等,在进行耐压密封试验时,缺陷微孔的存在将导致密封介质的渗漏造成大量废品,且这些缺陷往往机加工后经试压才能发现,从而造成工时、原材料和能源的严重浪费。

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山东砂铸铝件 河北砂铸铝件 
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