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in metalworking, casting means a process, in which liquid metal is poured into a mold, that contains a hollow cavity of the desired shape, and then allowed to cool and solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process. Casting is most often used for making complex shapes that would be difficult or uneconomical to make by other methods.[1] Casting processes have been known for thousands of years, and widely used for sculpture, especially in bronze, jewellery in precious metals, and weapons and tools. Traditional techniques include lost-wax casting, plaster mold casting and sand casting. The modern casting process is subdivided into two main categories: expendable and non-expendable casting. It is further broken down by the mold material, such as sand or metal, and pouring method, such as gravity, vacuum, or low pressure.[2] Contents [hide] 1 Expendable mold casting 1.1 Sand casting 1.2 Plaster mold casting 1.3 Shell molding 1.4 Investment casting 1.5 Waste molding of plaster 1.6 Evaporative-pattern casting 1.6.1 Lost-foam casting 1.6.2 Full-mold casting 2 Non-expendable mold casting 2.1 Permanent mold casting 2.2 Die casting 2.3 Semi-solid metal casting 2.4 Centrifugal casting 2.5 Continuous casting 3 Terminology 4 Theory 4.1 Cooling curves 4.2 Chvorinov's rule 4.3 The gating system 4.4 Shrinkage 4.4.1 Solidification shrinkage 4.4.2 Risers and riser aids 4.4.3 Patternmaker's shrink 4.5 Mold cavity 4.6 Filling 4.6.1 Tilt filling 4.7 Macrostructure 4.8 Inspection 4.8.1 Defects 5 Casting Process Simulation 6 See also 7 References 7.1 Notes 7.2 Bibliography 8 External links

INTO JAPANESE

金属加工、鋳造、液体金属は、所望の形状の空洞を含み、冷却し、固化させて、金型に注がれて、プロセスを意味します。固化した部分を鋳造は排出されるか、またはプロセスを完了する金型が壊れているともいいます。鋳造は複雑な形状の股関節を作るために使用ほとんどの場合