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铝合金压铸加工对温度都有哪些规定?

来源:http://www.jnhjgs.cn     发布时间:2019-12-23 16:22:49    点击:

    在铝合金铸造过程中,温度的选择对压铸件的质量和精度有很大的影响。铝合金压铸厂家如何选择加工温度?我们会让你知道的。
  In the process of aluminum alloy casting, the choice of temperature has a great influence on the quality and precision of die casting. How to choose the processing temperature for aluminum alloy die casting? We will let you know.
  在铝合金铸造过程中,有两种选择:热室压铸和冷室压铸。同时,热室压铸是使压铸合金等效于保温炉内金属的温度处于压铸状态,此时的过热度相对较小。在冷室压铸中,铝合金压铸厂家要求合金处于相对较大的过热度状态,从而生产出相对较薄的压铸件,获得相对完整的压铸件,无冷绝缘等缺陷。
  In the process of aluminum alloy casting, there are two choices: hot chamber die casting and cold chamber die casting. At the same time, the hot chamber die-casting is to make the die-casting alloy equivalent to the metal temperature in the holding furnace in the die-casting state, at this time, the superheat is relatively small. In cold chamber die casting, aluminum alloy die-casting manufacturers require the alloy to be in a relatively large superheat state, so as to produce relatively thin die-casting parts, obtain relatively complete die-casting parts, without cold insulation and other defects.
山东铝合金压铸
  山东铝合金压铸
  Shandong Aluminum Alloy Die Casting
  但是在压铸的过程中,我们不需要选择一个高的压铸温度,为什么呢?铝合金压铸厂家,首先因为随着过热温度的增加,压铸合金元素的燃烧损耗会增加;其次,过热温度越高,越容易促进缩孔的形成和热裂纹的倾向。三是高压温度会使冷却时间延长至弹射温度,输出功率随之降低,不利于晶粒细化。此外,压铸合金的温度越高,压铸beplay全站app安卓和压铸机的损耗就越严重。
  But in the process of die-casting, we don't need to choose a high die-casting temperature. Why? Aluminum alloy die-casting manufacturers, first of all, with the increase of superheat temperature, the combustion loss of die-casting alloy elements will increase; secondly, the higher the superheat temperature, the easier to promote the formation of shrinkage cavity and the tendency of hot crack. Thirdly, high pressure temperature will prolong the cooling time to the ejection temperature, and reduce the output power, which is not conducive to grain refinement. In addition, the higher the temperature of die-casting alloy, the more serious the loss of die-casting die and die-casting machine.
  以上就是山东铝合金压铸加工对温度选择都有些,想要了解更多,请点击官网http://www.jnhjgs.cn
The above is that Shandong Aluminum alloy die casting process has some temperature choices. To learn more, please click http://www.jnhjgs.cn
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