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LFC technic

  • Lost Foam Casting Molding Machine

    Contact NowLost Foam Casting Molding MachineThe Lost Foam casting process originated in 1958 when H.F. Shroyer was granted a patent for a cavity-less casting method, using a polystyrene foam pattern embedded in traditional green sand. The polystyrene foam pattern left in the sand is decomposed by the poured molten metal. The metal replaces the foam pattern, exactly duplicating all of the features of the original pattern. Like other investment casting methods, this requires that a pattern be produced for every casting poured because it is evaporated (“lost”) in the process.Read More

  • Foam Molding Machine

    Contact NowFoam Molding MachineWhat is the Lost foam casting Process: First, a pattern is made from polystyrene foam, which can be done by many different ways. For small volume runs the pattern can be hand cut or machined from a solid block of foam; if the geometry is simple enough it can even be cut using a hot-wire foam...Read More

  • Lost Foam Molding Equipment

    Contact NowLost Foam Molding EquipmentLost foam molding equipmentRead More

  • Metal Casting Companies

    Contact NowMetal Casting CompaniesProcess Steps 1.Mold foam pattern sections. 2.Age pattern to allow dimensional shrinkage. 3.Assemble pattern if it is a multiple piece pattern. 4.Build cluster (multiple patterns per cluster). 5.Coat cluster. 6.Dry coating. 7.Compact cluster in flask. 8.Pour metal. 9.Extract cluster from flask. Black area------sand preparation and molding system 1. manipulator 2. winnowing Magnetic separators 3. sanded-up equipment 4. vibrating conveying screen classifier 5. chain elevator 6. water-cooled sand cooling equipment 7. tri-dimensional vibrating table 8. vacuum system 9. dust collector White area------make the foam mould 1. batch-type pre-foaming machine 2. vertical type mould forming machine 3. bonder machine 4. coating stirring mill 5. hot gas far infra red drying ovenRead More

  • Lost Foam Casting

    Contact NowLost Foam CastingThe lost foam casting (also called full mold casting) is made of foam plastic (EPS, STMMA or EPMMA) made into a solid mold with the same structure and size as the parts to be produced. After being coated with refractory (strengthening, light cleaning, air permeability) and drying, it is buried in dry quartz sand by three-dimensional vibration. The casting molding sand box is poured into molten metal liquid under the state of negative pressure, which makes the polymer material model heated and gasified, and then is replaced by the liquid metal cooling and solidifying.Read More

  • Three-dimensional Vibration Table

    Contact NowThree-dimensional Vibration TablePurpose: It is used for molding compacting in for resin sand, water glass sand in core making, iron pills shell, V-process and EPC. Features: Compact structure, convenient operation, widely use. Excitation device uses air spring or rubber vibration support. With smooth moving. Exciting force can...Read More

  • Lost Foam Casting Plant

    Contact NowLost Foam Casting PlantWhat is the Lost foam casting Process: First, a pattern is made from polystyrene foam, which can be done by many different ways. For small volume runs the pattern can be hand cut or machined from a solid block of foam; if the geometry is simple enough it can even be cut using a hot-wire foam...Read More

  • Lost Foam Metal Casting Molding Equipment Manufacture

    Contact NowLost Foam Metal Casting Molding Equipment ManufactureLFC casting process is advantageous for that very complex castings would regularly require cores. It is also dimensionally accurate, maintains an excellent surface finish, requires no draft, and has no parting lines so no flash is formed. As compared to investment casting, it is cheaper because it is a simpler process and the foam is cheaper than the wax.Read More

  • EPC molding Equipment

    Contact NowEPC molding EquipmentThis process eliminates the need for sand binders and cores. The sand is unbonded and a foam pattern is used to form the shape of the casting. The foam pattern is “invested” into the sand at the Fill & Compact process station allowing the sand into all voids and supporting the foam patterns external form. The sand is introduced into the flask containing the casting cluster and compacted to ensure all voids and shapes are supported.Read More

  • The EPC Molding Line

    Contact NowThe EPC Molding LineLost Foam Casting (EPC) is a solid mold casting with non bonding agent dry sand combined with vacuum pumping technology. The main domestic names are "dry sand mold casting" and "negative pressure die casting", or EPC casting.Read More

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