Truck gearbox casing casting

This is a casting of the gearbox housing for a light and heavy truck, produced using a conventional automated molding machine with a size of 610mm x 710mm sand box. The sand mold height is 520mm, and automatic molding of this type of casting has certain difficulties. Attention should be paid to the mixing of sand materials, and it is recommended to use an automated sand mold molding machine with top and bottom sand injection methods;