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      Hashimoto Precision Metal (Shenzhen) Ltd
      
	  Specialize in precision stamping parts since 1935
	
      
  
          
      

      

      
  

      
 


      
	
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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

      

      
    Tel: +86-755-27267875

      

      
    Email: info@hskcoltd.com

      
			  
      
		  
      
		
      
		
      
			
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      FAQ of stamping parts in production
      

      Release time：2021-09-07Views：12507
      

      


      1. Adhesion and scratch: defects on the surface of part or tooling due to the friction between material and punch or die.

      2. Burr: it mainly occurs in the shear die and blanking die. Burr will occur when the gap between cutting edges is large or small.

      3. Deflection: Due to uneven stress, poor matching of tensile reinforcement, or poor control of the press slide, resulting in assembly corners or embossing parts have twists and turns, strain.

      4. Uneven: Foreign matters (iron scurf, rubber and dust) are mixed in the coil front line to cause uneven.
      5. Offset: When the piece is shaped, the site first contact with the mold was squeezed and a line was formed.
      6. The punching size is too large or too small: In case of large difference from the punch size, the factors such as design size, machining accuracy and cutting clearance shall be considered.

      




      

		
      
	
      

      


      
    
      
        
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