There are many kinds of casting

There are many kinds of casting, which can be divided into three types according to modeling method: Common sand mold casting, including wet sand mold, dry sand mold and chemical hardening sand mold.

Special casting, press molding materials and can be divided into natural mineral sand as the main special casting molding materials (e.g., investment casting, mold casting, shell mold casting foundry, negative pressure casting, mold casting, ceramic mold casting, etc.) and metal as the main mold material of special casting (such as metal mold casting, pressure casting, continuous casting, low pressure casting, centrifugal casting, etc.)

Casting process usually includes:

(1) cast (containers) makes liquid metal solid casting, casting according to the materials can be divided into sand mold, metal, ceramic, mud, graphite, etc., can be divided by use disposable, semi permanent and permanent type, mold preparation quality are the main factors influencing the casting quality;

(2) the melting and pouring of casting metal, casting metal (casting alloy) mainly cast iron, cast steel and casting non-ferrous alloy;

(3) Casting treatment and inspection, casting treatment includes removal of core and foreign matter on the casting surface, removal of riser, shoveling burr, drapery and other protrusions, as well as heat treatment, shaping, rust treatment and roughing, etc.