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Tongda is a technical investment casting foundry producing various precision investment castings.By professional investment casting production equipment,strong techincs,strict quality control system and impeccable testing equipments,we have win great trust and support from investment casting users.Investment casting is a casting method that is made of fusible material,casting refractory to form sheel melt model and get castings after injecting liquid metal material.Now we would like to introduce how Tongda do surface cleaning for investment castings
Carburizing treatment is one kind of heat treating processes for investment castings. Carburizing treatment can increase the content of carbon elements in certain layer of the castings. Thus, to increase the strength of the castings.
Mould is one of the important technology and equipment, industrial products production in the modern industrial production, 60% - 90% of the industrial products need to use the mold, the mold industry has become the foundation of industrial development, development and the development of many new products largely depends on the mold production, especially in automobile, motorcycle, light industry, electronic, aviation, etc.
High pressure die casting and lost foam casting are both casting methods which widely used in automobile industry,telecommunication industry,medical industry etc.Both of casting methods can produce parts with complex geometry shape at tight tolerance requirement.But they are typically used for some parts respectively.
To supply qualified investment castings to customers, inspection is a very important process after the castings completed. This will help to avoid costs that might be caused by scraps after castings received by customers.
Carbon steel could be divided according to different carbon content:C≤0.20%-low carbon steel investment castings;C:0.2~0.5%- medium carbon steel;C≥0.5%-high carbon steel.Steel investment castings.Cast steel according to the chemical composition is divided into:carbon steel investment castings and alloy steel investment casting.Now we would like to analyse the characteristics of low ally steel investment castings,special steel investment castings and carbon steel investment castings.
