Several Ways of Casting Metal

Usually, there are several ways of casting metal as below:

Three types of ordinary sand casting includes green sand mold , dry sand mold, Chemical hardening sand mold.

Special casting process can be divided into natural mineral sand as the special casting of main molding materials according to the molding material(such as investment casting, clay mold casting,shell mold casting,negative pressure casting,full mold process, ceramic mold casting,etc. The metal as the main and special casting of mould material(such as metal mold casting, pressure casting ,continuous casting, low pressure casting ,centrifugal casting, etc.

casting metalCasting metal process usually includes:

Casting mould(Make liquid metal be containers of solid casting)

Mold can be divided into sand mold , metal mold, ceramic mould ,graphite type and so on according to the materials,can be divided into type of one-time , type of semipermanent and type of permanent according to the number of using

Melting and pouring Casting metal,casting metal(casting alloy)

There are mainly casting steel , casting iron and casting non-ferrous alloy.

The passage above talks about several ways of casting metal


The Metal Casting Process

metal casting is a process of metal melt into certain required liquid and poured into the mold, after cooling and freezing, getting metal casting with predetermined shape, size and property.

metal casting (1)Metal casting process usually includes:

a. Prepare casting mould. It refers to containers which can turn liquid metal into solid metal casting. According to the materials, casting mouldcan be divided into sand mold, metal mold, ceramic mold, mud mold,graphite mold etc. By number of use, it can be divided into the disposable,the semi permanent and the permanent type. The quality of mold preparation is the main factor influencing the quality of metal casting.

b. Melt and pour casting metals. 吨 mainly include cast iron, cast steel and nonferrous alloy casting metals. Casting embryo because ofalmost forming achieves free machining or a small amount of processing to reduce the cost and decrease time in certain degree.

c. Dispose and inspect metal casting. Dispose of metal castings include removal of core, the casting surface, poured riser, shovel grinding burrs and phi seam protruding content and heat treatment, shaping, anti rust and rough machining and so on. Metal casting has become one of the basic technology of modern machinery manufacturing industry.


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