Punching machine, also known as bellow punching machine, is an auxiliary equipment in the production of air spring. It is used to punch the bellow at the joint of the ring and the rubber before vulcanization. These punched holes are opened to the air to ensure the precision fitting of the ring and the rubber when the air spring is vulcanized. This can ensure the quality of the air spring.


The rack is the supporting equipment of the bellows building machine, which is used for the fixed-length cutting of sealing sheet, endurance cord fabrics and oil-resistant outside rubber sheet. The rack has various forms. Our company’s six station vertical rack can be used for fixed length cutting of up to six kinds of materials.