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球墨铸铁篦子用均衡凝固的好处

来源:http://www.kpp647.com添加时间:2017-12-19 15:07:09

  山东球墨铸铁井盖是我们在日常生活中非常常见的一种铸铁产品,但是对于球墨铸铁篦子的性能或者说是常见问题还不是很了解,球墨铸铁篦子作为金属材质,使用中不可避免的会存在热胀冷缩的问题,但是应用在路面上,作为路面一部分的球墨铸铁篦子一旦出现这种现象的话就会引起极为严重的后果,那应该怎样解决这种现象呢?

  Shandong ductile iron manhole cover is a kind of cast iron products are very common in our daily life, but for the ductile cast iron grate performance or that is a common problem is not very understanding, nodular cast iron grate as metal material, the use of the inevitable expansion and contraction, but the application in the road, as a part of the road of the nodular cast iron grate once this phenomenon will cause extremely serious consequences, it should be how to solve this kind of phenomenon?

  1。采取合理的工艺设计。内浇道设在球墨铸铁篦子相对薄壁处,数时多且分散。使最早进入厚壁处的金属液先凝固,薄壁处后凝固,让各处达到基本的均衡凝固。

  1. take reasonable process design. The ingate in nodular cast iron grate relatively thin wall, when the number of scattered. The metal liquid that first enters the thick wall is first solidified, and the thin wall is solidified in the back to achieve the basic equilibrium solidification.

  对于壁厚均匀的机床铸件,采用多个内浇道和出气孔。内浇道多,分散与均布,让整体热量均衡。出气孔细且多,也就使得排气通畅又起到散热的作用。

  For the machine tool castings with uniform wall thickness, many inner castings and vent holes are used. The inside runner is more, dispersed and evenly distributed, so that the whole heat is balanced. The vent hole is fine and many, which also makes the exhaust smooth and plays the role of heat dissipation.

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  2.在球墨铸铁篦子结构形成的厚处跟热节处,采取快速凝固,人为造成球墨铸铁篦子各处温度场的基本平衡。采用内外冷铁,局部采用较大蓄热量的锆英砂,铬铁矿砂或特种涂料。

  With the thickness of hot spot 2. is formed on the grate structure of ductile iron, by rapid solidification, the basic balance of the man-made grate temperature throughout the ductile iron field. The cold iron, in part by the zircon sand is the large heat, chromite sand or special coatings.

  3.选用较大蓄热量的造型材料。

  Other 3。 use a heat storage material。

  4.球墨铸铁篦子采用低温快烧,开放式的浇注系统。

  4. ductile cast iron grate by low temperature fast firing, open gating system.

  公司始终坚持不断进行管理创新和科研创新,将以优良的品质、完善的售后服务赢得广大客户的信赖与支持,欢迎广大新老客户来我公司实地考察,洽谈合作!

  The company always insists on continuous management innovation and research innovation, and will win the trust and support of our customers with excellent quality and perfect after-sales service. Welcome new and old customers to come to our company for field visits and discuss cooperation.



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