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压铸beplay全站app安卓加工制造时常见问题有哪些?

来源:http://www.jnhjgs.cn     发布时间:2020-07-17 14:15:11    点击:

  磨具加工制造,看似只是将beplay全站app安卓压铸成型那么简单,但在实际的生产过程中是有很多问题的。在压铸生产beplay全站app安卓加工制造时,如果不注意细节问题难免会造成beplay全站app安卓发生一些缺陷,比如说:裂纹、开裂、毛坯锻造质量问题等,这些问题都会严重影响beplay全站app安卓的具体使用,因此我们需要进行更好的避免。为了了解更多济南beplay全站app安卓告诉大家压铸生产beplay全站app安卓加工制造时常见几大问题。
  Abrasive processing and manufacturing, seems to be just die-casting mold molding so simple, but there are many problems in the actual production process. In the process of die-casting production, if you do not pay attention to the details, it will inevitably cause some defects in the mold, such as: cracks, cracks, blank forging quality problems, these problems will seriously affect the specific use of the mold, so we need to better avoid. In order to learn more about Jinan die-casting production, die-casting mold processing manufacturing common problems.
  1、毛坯锻造质量问题。 有些beplay全站app安卓只生产了几百件就出现裂纹,而且裂纹发展很快。有可能是锻造时只保证了外型尺寸,而钢材中的树枝状晶体、夹杂碳化物、缩孔、气泡等疏松缺陷沿加工方法被延伸拉长,形成流线,这种流线对以后的的淬火变形、开裂、使用过程中的脆裂、失效倾向影响极大。
  1. The quality problem of blank forging. Some of the molds produced only a few hundred pieces of cracks, and cracks developed rapidly. It is possible that only the external dimension is ensured during forging, and the loose defects such as dendritic crystal, carbide inclusion, shrinkage cavity and bubble in the steel are extended and stretched along the processing method to form streamline, which has great influence on the final quenching deformation, cracking, brittleness and failure tendency in use.
                                                    济南beplay全站app安卓
  2、在车、铣、刨等终加工时产生的切削应力,这种应力可通过中间退火来消除。
  2. The cutting stress in turning, milling and planing can be eliminated by intermediate annealing.
  3、淬火钢磨削时产生磨削应力,磨削时产生摩擦热,产生软化层、脱碳层,降低了热疲劳强度,容易导致热裂、早期裂纹。对h13钢在精磨后,可采取加热至510-570℃,以厚度每25mm保温一小时进行消除应力退火。
  3. Grinding stress is produced during grinding of quenched steel, friction heat is generated during grinding, softening layer and decarburization layer are produced, which reduce thermal fatigue strength and easily lead to hot cracking and early cracking. After finishing grinding, the H13 steel can be heated to 510-570 ℃ for one hour at a thickness of 25 mm.
  4、电火花加工产生应力。beplay全站app安卓表面产生一层富集电极元素和电介质元素的白亮层,又硬又脆,这一层本身会有裂纹,有应力。电火花加工时应采用高的频率,使白亮层减到更小,必须进行抛光方法去除,并进行回火处理,回火在三级回火温度进行。
  4. Stress is produced by EDM. There is a layer of white bright layer on the surface of the mold, which is rich in electrode elements and dielectric elements. It is hard and brittle. This layer itself will have cracks and stress. High frequency should be used in EDM to reduce the white layer to the minimum. Polishing method must be used to remove and temper. Tempering should be carried out at the third tempering temperature.
  以上就是压铸beplay全站app安卓加工制造时常见的几个问题,以及对应的方法介绍,压铸beplay全站app安卓加工制造的这些问题注意也是十分关键的,因为这样才能去避免出现裂纹、开裂、毛坯锻造质量问题等,生产出质量合格的压铸beplay全站app安卓。
  The above are the common problems in the processing and manufacturing of die casting dies, as well as the corresponding methods. It is also very important to pay attention to these problems in the processing and manufacturing of die casting dies, because only in this way can cracks, cracks, quality problems of blank forging be avoided, and the quality of die casting dies with qualified quality can be produced.
  以上是关于压铸beplay全站app安卓加工制造常见问题的相关介绍,希望对你们有所帮助,想要了解更多内容欢迎点击济南beplay全站app安卓http://www.jnhjgs.cn网站。
  The above is about die-casting mold processing and manufacturing common problems related to the introduction, hope to help you, want to learn more, welcome to click Jinan mold http://www.jnhjgs.cn Website.
 
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