Air shaft is widely used in printing machine, slitting machine, die cutting machine. It featured with convinent operation, quick  Air shaft, board air shaft for printing machine, slitting machine, die cutting machine parts.Main technical paramter:

Standard web core	Unaerated diameter	Inflated diameter
3''	Ø74mm	Ø79-82mm
Note: According to the customers' special requirement size to design the products, meet your demands.

This kind of air shaft introducing foreign advanced production equipment and fabrication technology, using imported airbag, shaft head for the high quality steel products with nigrescence process, attrib wattle using excellent aluminum and hard oxide, use convenient and long operate life. When using, match with our company’s professional configuration of the aerate gun filling gas for the nozzle jet, to make the shaft of off-axle apperance uniform expansion, thereby lock nitrogen-treated barrel, when unloading, press on deflated mouth to deflated, then nitrogen-treated barrel can be unloaded.Performance and advantages: Board type air shaft in practical applications, it has advantages of convenient operation,quick, air shaft has big stress area, the stress distribution uniformity etc.Product usage: It is widely used in printing, cutting, coating, compounding and other machineries’s releasing and winding scroll.