Although air impact molding machine has many problems, but because of the air impact molding process does have other molding process is better than some of the advantages, some manufacturers still don't give up easily, has introduced a variety of improved air impact molding machine.

(1) two air impact molding machine

The molding machine is for a single air impact molding machine operating sequence, increase gas rushed for the second time. The first gas with low gas pressure, only to pre tight sand. The second after filling sand on sand strong impact, so as to reduce the single gas rushed bridge phenomenon brought about by the adverse effects. Two shock interval asked the degree and intensity depending on the shape of the complex surface.