A sand casting is also divided resin sand casting and green sand casting. sand casting is produced when molten metal is poured at atmospheric pressure into a cavity formed in a compacted molding sand. In typical ferrous casting, the mold would be bonded with 6 to 8 percent western bentonite mulled with 2 to 3 percent water. Preparation of the sand mold is fast but requires a pattern that can “stamp” out the casting template.

Typically, sand casting is used for processing low-temperature metals, such as iron, copper, aluminum, magnesium, and nickel alloys. It can also be used for high-temperature metals where other means would be impractical. The sand casting post process is by far the oldest and best understood of all techniques. As such, automation can easily be adapted to the production process, although somewhat less easily to the design and preparation of forms. Patterns would be reusable, but the sand molds would be broken from the casting after the solidified casting had cooled sufficiently. The sand would be returned to the muller for recycling by mulling with some new clay and water to reactivate the old clay. Sand moulds define the external geometry of a casting, whereas cores define the interior or undercuts.

The Sand casting process may require a longer lead time for production at high output rates (1–20 pieces/hour/mold), but is unsurpassed for large-part production. As a professional casting manufacture,we pay much attention to the quality and technology , Our products are much more casting and forging parts.We are mainly do Sand Casting , Investment Casting ( Lost Wax Casting or Precision Casting) and Die Casting . The sand is bonded together using clays or chemical binders. In most operations, the sand can be recycled many times, requiring the addition of only small amounts of sand each time.

All the products like iron casting foundry, lost foam casting manufacturers manufactured by our company have passed the most strict and professional authentication in the world including ISO9000, SAE, ASTM, AISI, Din and GS, thus ensuring the international leading quality of the products and laying solid foundation for the success of the customers.

pump casting parts: http://www.fotai-china.com/pros/pro23.htm

A sand casting is also divided resin sand casting and green sand casting. sand casting is produced when molten metal is poured at atmospheric pressure into a cavity formed in a compacted molding sand. In typical ferrous casting, the mold would be bonded with 6 to 8 percent western bentonite mulled with 2 to 3 percent water. Preparation of the sand mold is fast but requires a pattern that can “stamp” out the casting template.

Typically, sand casting is used for processing low-temperature metals, such as iron, copper, aluminum, magnesium, and nickel alloys. It can also be used for high-temperature metals where other means would be impractical. The sand casting post process is by far the oldest and best understood of all techniques. As such, automation can easily be adapted to the production process, although somewhat less easily to the design and preparation of forms. Patterns would be reusable, but the sand molds would be broken from the casting after the solidified casting had cooled sufficiently. The sand would be returned to the muller for recycling by mulling with some new clay and water to reactivate the old clay. Sand moulds define the external geometry of a casting, whereas cores define the interior or undercuts.

The Sand casting process may require a longer lead time for production at high output rates (1–20 pieces/hour/mold), but is unsurpassed for large-part production. As a professional casting manufacture,we pay much attention to the quality and technology , Our products are much more casting and forging parts.We are mainly do Sand Casting , Investment Casting ( Lost Wax Casting or Precision Casting) and Die Casting . The sand is bonded together using clays or chemical binders. In most operations, the sand can be recycled many times, requiring the addition of only small amounts of sand each time.

All the products like iron casting foundry, lost foam casting manufacturers manufactured by our company have passed the most strict and professional authentication in the world including ISO9000, SAE, ASTM, AISI, Din and GS, thus ensuring the international leading quality of the products and laying solid foundation for the success of the customers.

pump casting parts: http://www.fotai-china.com/pros/pro23.htm