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      MB0513 durability test of seat back of office chair 
      
                    
      
                        
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      Applicable scope
      
                            
      Test principles and standards
      
                            
      Instrument characteristics
      
                            
      Configuration list
      
                
      
                
      
                    
      
                        
                    
      
                    
      
                        
      
	QB/T 2280   GB 10357.3   EN1335 

      
                    
      
                    
      
                        
      
	1, This tester is used to test the strength and durability of the office chair. 
      
  2, Durability test of seat and back.
      
  3, Apply the 600N on the seat surface, and then apply the force of 192N on the back. 
      
  4, Cycle 200000 times with the frequency of no more than 40 times /min.
      
  5, The testing instrument is made of aluminum frame, and it is beautiful and beautiful in shape. 
      
  6, The loading mode of pneumatic drive is easy to be cleaned and convenient.  

      
                    
      
                    
      
                        
                    
      
                
      
            
      
        
      
    
      

      


  
      



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