Compacting process and compacting effects of air impact molding machine with formed squeeze head for combined mould of green sand of motor housing casting were introduced.

For the machine, air impact compaction and impact compaction of the air-pushed contour squeeze head are simultaneously carried out, and these two types of compaction are performed at the same working place, in the same working procedure, and with the same compressed air power.

The sand compaction mechanism of air impact molding machine combined with an air-pushed contour squeeze head, which was recently invented, is demonstrated.

The process and the sand compaction effects of a new air impact and air push molding machine in the application of making molds of motor housing,for the mechanization of making molds of motor was discussed.