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Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Shell_molding> ?p ?o }

• Shell_molding abstract "Shell moulding, also known as shell-mould casting, is an expendable mold casting process that uses a resin covered sand to form the mold. As compared to sand casting, this process has better dimensional accuracy, a higher productivity rate, and lower labor requirements. It is used for small to medium parts that require high precision.Shell mold casting is a metal casting process similar to sand casting, in that molten metal is poured into an expendable mold. However, in shell mold casting, the mold is a thin-walled shell created from applying a sand-resin mixture around a pattern. The pattern, a metal piece in the shape of the desired part, is reused to form multiple shell molds. A reusable pattern allows for higher production rates, while the disposable molds enable complex geometries to be cast. Shell mold casting requires the use of a metal pattern, oven, sand-resin mixture, dump box, and molten metal.Shell mold casting allows the use of both ferrous and non-ferrous metals, most commonly using cast iron, carbon steel, alloy steel, stainless steel, aluminum alloys, and copper alloys. Typical parts are small-to-medium in size and require high accuracy, such as gear housings, cylinder heads, connecting rods, and lever arms.The shell mold casting process consists of the following steps:Pattern creation - A two-piece metal pattern is created in the shape of the desired part, typically from iron or steel. Other materials are sometimes used, such as aluminum for low volume production or graphite for casting reactive materials.Mold creation - First, each pattern half is heated to 175-370 °C (350-700 °F) and coated with a lubricant to facilitate removal. Next, the heated pattern is clamped to a dump box, which contains a mixture of sand and a resin binder. The dump box is inverted, allowing this sand-resin mixture to coat the pattern. The heated pattern partially cures the mixture, which now forms a shell around the pattern. Each pattern half and surrounding shell is cured to completion in an oven and then the shell is ejected from the pattern.Mold assembly - The two shell halves are joined together and securely clamped to form the complete shell mold. If any cores are required, they are inserted prior to closing the mold. The shell mold is then placed into a flask and supported by a backing material.Pouring - The mold is securely clamped together while the molten metal is poured from a ladle into the gating system and fills the mold cavity.Cooling - After the mold has been filled, the molten metal is allowed to cool and solidify into the shape of the final casting.Casting removal - After the molten metal has cooled, the mold can be broken and the casting removed. Trimming and cleaning processes are required to remove any excess metal from the feed system and any sand from the mold.Examples of shell molded items include gear housings, cylinder heads and connecting rods. It is also used to make high-precision molding cores.".
• Shell_molding thumbnail Shell_molding_process.svg?width=300.
• Shell_molding wikiPageExternalLink ?id=6x1smAf_PAcC.
• Shell_molding wikiPageExternalLink shell-mold-casting.
• Shell_molding wikiPageID "21586164".
• Shell_molding wikiPageLength "9348".
• Shell_molding wikiPageOutDegree "25".
• Shell_molding wikiPageRevisionID "697870388".
• Shell_molding wikiPageWikiLink Aluminium.
• Shell_molding wikiPageWikiLink Cast_iron.
• Shell_molding wikiPageWikiLink Casting.
• Shell_molding wikiPageWikiLink Category:Casting_(manufacturing).
• Shell_molding wikiPageWikiLink Copper.
• Shell_molding wikiPageWikiLink Draft_(engineering).
• Shell_molding wikiPageWikiLink Engineering_tolerance.
• Shell_molding wikiPageWikiLink Flask_(casting).
• Shell_molding wikiPageWikiLink Gear_housing.
• Shell_molding wikiPageWikiLink Gravel.
• Shell_molding wikiPageWikiLink Magnesium.
• Shell_molding wikiPageWikiLink Mass_production.
• Shell_molding wikiPageWikiLink Micrometre.
• Shell_molding wikiPageWikiLink Molding_(process).
• Shell_molding wikiPageWikiLink Pattern_(casting).
• Shell_molding wikiPageWikiLink Phenol_formaldehyde_resin.
• Shell_molding wikiPageWikiLink Resin.
• Shell_molding wikiPageWikiLink Sand.
• Shell_molding wikiPageWikiLink Sand_casting.
• Shell_molding wikiPageWikiLink Shot_(pellet).
• Shell_molding wikiPageWikiLink Silicon_dioxide.
• Shell_molding wikiPageWikiLink Surface_finish.
• Shell_molding wikiPageWikiLink Thermosetting_polymer.
• Shell_molding wikiPageWikiLink Ultimate_tensile_strength.
• Shell_molding wikiPageWikiLink File:Shell_molding_process.svg.
• Shell_molding wikiPageWikiLinkText "Shell molding".
• Shell_molding wikiPageWikiLinkText "shell molding".
• Shell_molding wikiPageWikiLinkText "shell molds".
• Shell_molding wikiPageWikiLinkText "shell".
• Shell_molding wikiPageUsesTemplate Template:Citation_needed.
• Shell_molding wikiPageUsesTemplate Template:Cite_book.
• Shell_molding wikiPageUsesTemplate Template:Convert.
• Shell_molding wikiPageUsesTemplate Template:Metalworking_navbox.
• Shell_molding wikiPageUsesTemplate Template:Procon.
• Shell_molding wikiPageUsesTemplate Template:Reflist.
• Shell_molding subject Category:Casting_(manufacturing).
• Shell_molding hypernym Mold.
• Shell_molding type Species.
• Shell_molding comment "Shell moulding, also known as shell-mould casting, is an expendable mold casting process that uses a resin covered sand to form the mold. As compared to sand casting, this process has better dimensional accuracy, a higher productivity rate, and lower labor requirements. It is used for small to medium parts that require high precision.Shell mold casting is a metal casting process similar to sand casting, in that molten metal is poured into an expendable mold.".
• Shell_molding label "Shell molding".
• Shell_molding sameAs Q7493719.
• Shell_molding sameAs シェルモールド鋳造.
• Shell_molding sameAs m.05mv1b4.
• Shell_molding sameAs Q7493719.
• Shell_molding sameAs 模塑.
• Shell_molding wasDerivedFrom Shell_molding?oldid=697870388.
• Shell_molding depiction Shell_molding_process.svg.
• Shell_molding isPrimaryTopicOf Shell_molding.