High-Quality Casting Shell Steel Sand Landfill Production Line - Efficient & Reliable

1. Introduction to coated sand casting: Coated sand is a type of molding sand or core sand that is covered with a solid resin film on the surface of the sand grains before molding and core making. Coated sand is to preheat silica sand to a certain temperature, add resin to melt it, stir to make the resin coat the surface of the sand, add methenamine aqueous solution and lubricant, then mix thoroughly, and then cool, crush and screen Got coated sand.

2. Characteristics of coated sand casting process: Coated sand has the characteristics of high strength, low gas generation, good fluidity, high temperature resistance, and easy collapse. It is a high-quality modeling material that is widely used. The preparation process of coated sand is simple and the production cost is low. It can be used to manufacture various complex-shaped castings, such as mining machinery, bucket teeth, valves, pipe fittings, automobile engine blocks, etc.

3. Coated sand casting production line: Use a thermal core shooting machine to make coated sand shell molds, place the shell molds in the sandbox of the production line, use steel shot filling to protect the shell molds, and then pour and cool them. Finally, high-quality castings are obtained; the steel sand can be recycled after going through processes such as shakeout, transportation, cooling, shot and sand separation, and dust removal. This not only reduces the sand-iron ratio of the shell type and the cost of castings, but also improves the yield and quality of castings.