ME364 MET KS Ch12 - Chapter 12 Metal Casting: Design,...

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1 Chapter 12 Metal Casting: Design, Materials, and Economics
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2 General Design Rules for Casting Design the part so that the shape is cast easily. Select a casting process and material suitable for the part, size, mechanical properties, etc. Locate the parting line of the mold in the part. Locate and design the gates to allow uniform feeding of the mold cavity with molten metal. Select an appropriate runner geometry for the system. Locate mold features such as sprue, screens and risers, as appropriate. Make sure proper controls and good practices are in place.
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3 Locating and Designing Gates Multiple gates often are preferable and are necessary for large parts. Gates should feed into thick sections of castings. A fillet should be used where a gate meets a casting; this feature produces less turbulence than abrupt junctions. The gate closest to the sprue should be placed sufficiently far away so that the gate can be easily removed. The minimum gate length should be three to five times the gate
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This note was uploaded on 11/17/2009 for the course MECHANICAL ME 364 taught by Professor Prof.dr.abdülkerimkar during the Spring '08 term at Yeditepe Üniversitesi.

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ME364 MET KS Ch12 - Chapter 12 Metal Casting: Design,...

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