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    MB0543 office chair pull back impact test machine 
    
                    
    
                        
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    Applicable scope
    
                            
    Test principles and standards
    
                            
    Instrument characteristics
    
                            
    Configuration list
    
                
    
                
    
                    
    
                        
    
	This test machine fixed the casters of office chairs, and repeated backrest movements on the backs of office chairs with certain strength, direction, stroke, speed and prescribed times. Then we examined whether the parts were loose or fastened.  

    
                    
    
                    
    
                        
    
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