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  • Classification:Else
  • Release date:2020-06-08 14:39:55
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  • Product overview

Basic concept of precision casting:

It includes: investment casting, ceramic casting, metal casting, pressure casting, lost foam casting.

Investment casting, also known as lost wax casting, is more commonly used in marine casting factories: suitable investment materials (such as paraffin) are selected for the processing of marine castings to make investment mold; the process of dipping refractory coating spreading refractory sand on the investment mold is repeated to harden dry the mold shell; the internal investment mold is melted to obtain the mold cavity; the mold shell is roasted to obtain sufficient strength burn the residual investment mold materials Material; metal material needed for pouring; solidification cooling, sand cleaning after shelling, so as to obtain high-precision finished products. Heat treatment, cold working surface treatment according to the needs of the product.

Precision casting is also known as wax loss casting. Its products are precise, complex close to the shape of the parts. It can be directly used without with little processing. Therefore, investment casting is an advanced technology of near net shape formation.

Since investment casting was used in industrial production in 1940s, it has been developing at a rapid speed for half a century.

In particular, European American countries are developing rapidly. Now, investment casting is used outside the doors of aviation weapons departments, it is applied to almost all industrial sectors, especially electronic, petroleum, chemical, energy, transportation, light industry, textile, pharmaceutical, medical equipment, pumps valves.

In recent years, China has developed rapidly.

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Last article:ELse2020-06-08
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