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      MB3306 test machine for bumping and grinding of suitcase
      
                    
      
                        
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      Applicable scope
      
                            
      Test principles and standards
      
                            
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	This test machine is used to test whether the traveling wheel and the traveling bag of wheels and wheels have any damage and deformation on the wheels and wheel shafts, and whether the whole structure of the box is damaged or not. The test results can be improved for reference. 

      
                    
      
                    
      
                        
      
	B method in QB/T 2920 

      
                    
      
                    
      
                        
                    
      
                    
      
                        
                    
      
                
      
            
      
        
      
    
      

      


  
      



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