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    Knowledge about stainless sand casting technology



    Posts : 15
    Join date : 31.10.2013

    Knowledge about stainless sand casting technology

    Post  megan2008 on Thu Nov 07, 2013 6:45 am

    Stainless sand casting as a technology has been around for millennia, and is selected as a preferred method to produce shaped parts from less than a pound, to very large parts. The process is very versatile and cost effective, even for low volume runs because of tooling cost. Nearly any part configuration that can be made in another material, can be reducedto a pattern and created in metal as a sand casting.

    In stainless sand casting, a pattern of the desired finished part including the metal delivery system is constructed out of hardwood, urethane, metal or foam. Sand containing bonding material to retain its shape is packed around the pattern. The pattern is removed from the bonded sand,leaving a cavity in the shape of the part. Molten metal is poured into the cavity and the metal solidifies. The sand is removed though a shakeout process. Other cast attachments, including the metal delivery system, are trimmed leaving the desired part.

    Internal passageways, including intricate structures, can be included in the casting by adding cores during the molding process.This makes sand casting a popular selection for pump and valve applications. Sand castings would typically be at least partially machined before use.

    As an alternative to packing sand around the pattern, many customers take advantage of MetalTek’s patternless molding technology. Using this technology, a reverse of the casting is machined from sand to create the mold, rather than forming sand around a pattern. Production then proceeds normally. Timing is much quicker, design changes are easy, and hard patterns need not be stored or maintained.

    All our steel casting parts are manufactured based on customer’s requirements. Both rough casting and finished parts are available for you. Products include lost wax casting, steel casting, investment casting, silica-sol casting, precision casting, alloy steel casting, steel sand casting, steel investment casting and are widely used in automobile casting, agricultural machinery casting, pipe, valve, mining machinery casting, marine and boat castings, hardware, railway train components. All parts are manufactured under control of PPAP requirements.

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