In some models of jack screws, The lifting screw does not move up and down. It only rotates around its axis. A lifting nut (also known as travelling nut) moves along the screw. The lifting nut of jack screw is made of bronze to decrease friction.
	
	
Screw Jack Applications
	 Paper, press, printing industry
 Gypsum factories
 Sheet metal forming machinery
 Mechanical lifting applications
 Platform lifting applications
 Food processing machinery
 Construction sector
 Bridge jacks for road and bridge lifting
 Shipyards
 Opening and closing of penstocks 
 Industrial process
 Roll form machinery
 Mining industry
 Defense industry
 Lift tables
 Stage setup applications 
	






 
                                        


 
					  
					  
					  
					  
					  
                                         
                                         
                                         
                                         
                                        
 
                        