Metalworking divided into many different hand, let us look at a detailed analysis of the different types of machining processes as well as cost effectiveness and how they need casting casting part: refers to the metal is heated and melted, then pour into the model inside. Suitable for modeling complex parts machining.
Sand casting: low cost, low-volume, complex shapes can be processed, but may require a lot of post-processing step. Investment casting / lost wax casting: This processing method has a high degree of continuity and precision machining complex shapes can also be used. It is at a relatively low processing cost premise, to achieve perfect surface finish, suitable for mass production.
Note casting: modeling for complex processing of high errors. Due to the characteristics of the process itself, the product does not require treatment after forming, however, only in the case of mass production in order to show the advantages of low cost.
Casting method: high processing costs, and only in the case of mass production cost was reasonable. However, the relatively low cost of the final product and the error is relatively high. Can be used to produce thin-walled parts.

Spin-casting: the ideal method of machining small parts, usually used for jewelry manufacturing. You can use a rubber model to reduce the cost of processing. Directional solidification: can produce very strong superalloys has excellent fatigue resistance pouring into the model, and then go through strict control of heating and cooling processes, in order to eliminate any small flaws

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