Chapter 11-14 Summary

Chapter 11-14 Summary - Chapter 11: Fundamentals of Casting...

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Chapter 11: Fundamentals of Casting Four basic Shape-Producing Processes (Casting processes, Material removal processes, Deformation processes, Consolidation processes) Sequence of casting process 1. Mold cavity is produced having the desired shape and size of the part 2. Melting process 3. Pouring technique 4. Solidification process 5. Mold removal 6. Cleaning, finishing, and inspection operations Capabilities and Advantages of Casting Disadvantages of Casting Two Categories of Casting Process Expendable mold processes – uses an expendable mold which must be destroyed to remove casting, Mold materials: sand, plaster, and similar materials, plus binders Permanent mold processes – uses a permanent mold which can be used many times to produce many castings, Made of metal (or, less commonly, a ceramic refractory material The sequence of Solidification Process Molten material is allowed to solidify into the final shape Casting defects occur during solidification: Gas porosity, Shrinkage
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Chapter 11-14 Summary - Chapter 11: Fundamentals of Casting...

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