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      Hashimoto Precision Metal (Shenzhen) Ltd

      Address: No. 25, Xinfa East Road, Xiangshan Community, Xinqiao street, Bao'an District, Shenzhen 518125, P.R.China

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      Email: info@hskcoltd.com

      Industry news

      How to distinguish the processing quality of metal stamping parts?
      Release time:2024-04-12Views:1773


      In precision industry, the processing quality of metal stamping parts has a crucial impact on product performance. Therefore, understanding how to distinguish the processing quality of metal stamping parts is a skill that every engineer and procurement specialist needs to possess. The following are several key points to judge the processing quality of metal stamping parts:


      1.  Material inspection: Metal stamping parts start with material selection. Check whether the materials meet the specified standards and grades, whether there are material certification documents, and whether there are obvious defects such as cracks, bubbles, or inclusions.


      2. Dimensional accuracy: Use precision measuring tools such as calipers, dial gauges, etc. to perform dimensional testing on stamped parts. A qualified part should be strictly controlled within the tolerance range, with small size fluctuations and in compliance with design requirements.


      3. Surface quality: There should be no scratches, unevenness, rust or other defects on the surface. Surface treatment processes such as electroplating and spraying should also be uniform and consistent, without any peeling or bubbling.


      4. Shape and angle: Observe whether the geometric shape of the part is regular and whether the angle is accurate. Complex parts may require 3D measuring instruments for detailed shape error analysis.


      5. Punching edge: The edge should be neat and free of burrs, and the punching surface should be smooth. Poor processing can lead to uneven edges and even affect the assembly and use of parts.


      6. Bending and stretching: For parts that require bending or stretching, their spring back and degree of deformation should be checked. Proper machining will enable the part to return to its preset shape and size after release.


      7. Strength and Durability: Determine whether stamped parts can withstand pressure and impact in actual work through strength testing and long-term durability testing.


      8. Batch consistency: Randomly select samples from the same batch for comparison, ensuring that the quality of each product is uniform and stable without significant differences.

      In summary, the processing quality of metal stamping parts can be distinguished through meticulous inspections in multiple aspects. Every rigorous inspection step is the key to ensuring product quality. Mastering these distinguishing skills helps to ensure the safety and reliability of metal stamping parts during use, as well as to maintain the reputation and market competitiveness of enterprises.



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