the sand box is provided with a five-sided vacuum chamber. uniform vacuum available for the environment of parts castings.
the sand box is divided into the bottom unloading sand box, the side unloading sand box and the rotary unloading sand box in the case of coordination with the production line for production.
excellent structural rigidity of the sand box. it includes the round sand box and the square sand box. the molding sand moves smoothly in the sand box, with good filling and compacting effect.