Stainless steel precision casting
in sulfuric acid production in the process of the oxide film is affecting the stainless steel castings highly pure transparent oxide film of important factors of stainless steel precision casting
porosity, purity, thickness and hole sealing quality will effect directly the mirror finish for the castings such as interference, stainless steel precision casting of impurity content in the oxide film is more, it is low, the purity of transparency will drop.
The impurity in the oxide film is mainly result from stainless steel castings, and part of the bath is derived from the oxidation and therefore appropriate to reduce the content of alloy element in casting, you can try to reduce the impurity content.
Stainless steel precision casting process need basic equipment are: precision casting wax -
Wax machine, ice water machine, air conditioning.
Leaching pulp -
Hods, floating sand machine, air conditioner, dewaxing furnace, dehumidifier, in addition to the bucket and let stand for barrels, leaching pulp can also choose for wax concentrate robotic arm and automated system;
Melting gold -
Sintering furnace, high Zhou Bolu, shell shock machine;
Cutting machine, grinding machine, sandblasting machine, deoxidization, heat treatment furnace, punch press;
Pneumatic grinding machine, argon welding machine, polishing machine;
Quality assurance -
The spectrometer, three yuan, and so on.
These are relatively common, if you need more advanced, you also need to vacuum casting furnace, vacuum heat treatment furnace or X rays, and so on.
Stainless steel precision casting steel casting production is relatively stable, the quality of the steel, variety, performance, and constantly improve the proportion of the alloy steel, special steel.
Using all kinds of refining process and technology, developing new cast steel materials, can improve the material tenacity and special performance.
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