vacuum molding machine,vacuum suction molding machine,vacuum molding process

Specifications

1. newly developped technics
2. uses dry sand, make mold throgh heating up, seal, vacuuming.

Basic equipments for vacuum molding line include sand box template with air exhausting fllter pipe, vacuuming system, plastic film heating equipment, molding and cutting, vibrating table and sand precessing equipment.

 

Vacuum molding method is newly physical developped technique, which adapts one type of dry sand as molding material(no water, glue and other extra components), makes mold on the model with ventholes and vacuuming device after the model is covered wth plastic film and heated  up. and the the sand box will be sealed to tighten dry sand depending on the pressure differences of outside and inside of casting model, it will form a chamber as required.