AUTOMATIC PNEUMATIC SAND MOULDING MACHINE

Moulding is a crucial process for creating components used in various industries through vital metal forming. Automation can enhance the accuracy of cast parts and improve the foundry environment. However, the moulding process is affected by different factors such as permeability, collapsibility, and adhesiveness, which can lead to casting defects. Sand casting defects can pose a significant challenge in the foundry since manual labor may not guarantee even the packing of moulding sand throughout the box. To address this issue, an automatic pneumatic sand moulding machine was designed and fabricated to mold sand uniformly in small-scale industries. The rammer is operated using an air compressor, and a solenoid valve is used to control the airflow direction. An electronic control timing unit manages the solenoid valve, and the compressed air drives the pneumatic double-acting cylinder, which, in turn, moves the piston downward or upward, depending on the airflow direction.