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Lost Foam Process Steps
 

Lost Foam Process Steps

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Description of steps in Industrial Lost foam casting process. Presentation

Description of steps in Industrial Lost foam casting process. Presentation

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    Lost Foam Process Steps Lost Foam Process Steps Presentation Transcript

    • LOST FOAMPROCESS CHAIN
    • Raw material with blowing agentPreexpansion Steam heat appliedMoulding EPS expanded factor ca. 30 Density control criticalStabilisationGlueingCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • EPS beads filled into Al toolPreexpansion Steam heated to expand and fuseMoulding Cooled to avoid distorsion Automatic removalStabilisationGlueingCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • Controlled shrinkagePreexpansion Accelerated processingMoulding Repeatability 0,2Stabilisation 0,1 0Glueing -0,1 0 100 200 300 400Coating -0,2 With Stabilisation Oven -0,3 Without Stabilisation OvenDrying -0,4 -0,5Cluster Insertion time (mins)Sand FillCompactionMetal PouringExtraction
    • Preexpansion Hot melt glueMoulding Short “open time” RepeatabilityStabilisation AccuracyGlueingCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • PreexpansionMoulding Coating developed for lost foam RepeatabilityStabilisation Ceramic slurryGlueing Precise viscosity/solidsCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • PreexpansionMoulding Removal of all moisture Temperature/humidity controlledStabilisationGlueingCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • PreexpansionMouldingStabilisationGlueingCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • Preexpansion Dry unbonded sandMoulding Rain-fillStabilisation Uniform Rate controllableGlueingCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • PreexpansionMouldingStabilisationGlueingCoatingDryingCluster InsertionSand Fill Vibration Analysis 5,0 5 FFT Analysis 4Compaction 2,5 3 0,0 2Metal Pouring -2,5 1 0 -5,0 -1Extraction 0 25 50 75 100 0 25 50 75 100 ms Hz
    • EPS liquified and volatisedPreexpansion Metal replaces foamMoulding All details reproducedStabilisationGlueingCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • No shakeoutPreexpansion Sand dry and looseMoulding Sand easily recycledStabilisationGlueingCoatingDryingCluster InsertionSand FillCompactionMetal PouringExtraction
    • VULCAN ENGINEERING´SEXPERIENCE & EXPERTISE WAS INSTRUMENTAL TO SUCCESS OF MOST OPERATING LOST FOAM FOUNDRIES TODAY.