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Monday, 08 / 10, 2020

PROCESS

WHAT IS AN “INVESTMENT CASTING”?

The invesment casting "Lost Wax" process require an aluminum die. Wax is injected into this aluminum die to produce a pattern that is an exact replica of the part to be produced. For every casting, a wax pattern must be manufactured. The patterns are clustered around sprue and repeatedly dipped into an agitated vat of ceramic and allowed to dry. After a shell thickness of approximately 3/8"(5~7coats) been built, the molds are dewaxed by either flash firing at high heat(14000°F) or autoclaving (pressure and steam).

The hollow shells are then preheated to 800-20000°F depending on the alloy to be poured and the molten metal cast immediately into the hot shell. After cooling, the ceramic is vibrate and blast off the metal parts discarede. The balance of the cleaning operations (cut off, grind, heat treat, straightening, blast) are straight forward and final castings quality to be inspected.

PRODUCTS CHARACTERISTICS

  • Complicated Configuration
  • One Piece Molding
  • Precise Dimensions
  • Fine Surface Finish
  • Minimize Parts Machining
  • Reduce Costs For Production Programs.

PRODUCTION  PROCESS

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