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山东铝合金压铸表面加工有哪些要求

来源:    发布时间:2019-04-15 13:45:14    点击:

  说到铝合金铸件,很多朋友想到的都是它的尺寸精准,金属利用率高等一系列优点。但对于厂家来说,成品铝合金压铸件需要达到相应的表面质量要求,这样才能上市销售。
  Speaking of aluminium alloy castings, many friends think of a series of advantages, such as its precise size and high metal utilization rate. However, for manufacturers, finished aluminum alloy die castings need to meet the corresponding surface quality requirements, so as to be marketed.
  铝合金铸件是金属利用率高、表面光滑平整、尺寸精准的加工件,行业对铝合金压铸件加工面和不加工面表面质量都有严格要求,我们今天着重介绍下加工面质量要求。
  Aluminum alloy castings are processed with high metal utilization rate, smooth surface and precise size. The industry has strict requirements on the surface quality of aluminium alloy die castings and non-processed surface. Today, we focus on the quality requirements of the lower processed surface.
  铝合金铸件允许存在表面缺陷,它的质量级别分为1级、2级和3级,这三级的缺陷面积分别不能超过总面积的5%、25%和40%。要特别说明的是,在不影响装配和使用的情况下,铝合金压铸件网状毛刺和痕迹的高度不能超过0.2㎜;铸件受到压铸模镶块和分型面影响会产生表面高低不平的偏差不能超过相关的公差尺寸;推杆痕迹表面凹陷或凸起铸件表面的深度为±0.2㎜。
  Surface defects are allowed in aluminium alloy castings, and their quality levels are classified into 1, 2 and 3 grades. The defect areas of these three grades can not exceed 5%, 25% and 40% of the total area, respectively. In particular, without affecting assembly and use, the height of mesh burrs and marks in aluminium alloy die castings should not exceed 0.2; the surface roughness deviation caused by the influence of die casting die inserts and parting surfaces should not exceed the relevant tolerance size; and the depth of the surface depression or protrusion of push rod marks should be (+0.2).
  压铸件表面不能出现明显的凹陷,眼睛看过去要求挫痕均匀、一致。不管是否经锉加工,表面角度都不能超过10°。铝合金压铸件成型后,遇到变形情况应调整,调整后的铸件表面不能有明显击打痕迹,调整部分的平面度在0.2㎜左右。
                           山东铝合金压铸
  The surface of die castings can not appear obvious depression, the eyes look at the past requires even and consistent contusion. The surface angle should not exceed 10 degrees regardless of whether it is filed or not. Aluminum alloy die castings should be adjusted when they are deformed after forming. The surface of the adjusted castings can not have obvious striking marks. The flatness of the adjusted parts is about 0.2_.
  行业中规定,铝合金铸件不加工面表面允许存在高度小于0.2㎜的网状毛刺和痕迹,前提是不影响使用和装配。铝合金压铸件在加工过程中,可能会受到模具组合镶拼和分型面影响,表面平面度误差需保证在该尺寸的极限偏差范围内。穿孔顶端的隔皮厚度不能超过相关数值的规定。
  It is stipulated in the industry that mesh burrs and marks with height less than 0.2_are allowed on the surface of non-machined surface of aluminium alloy castings, provided that they do not affect the use and assembly. Aluminum alloy die castings may be affected by die assembly and parting surface during processing. Surface flatness error should be guaranteed within the limit deviation of this dimension. The diaphragm thickness at the top of the perforation should not exceed the relevant values.
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