Introduction:Concept of Manufacturing process, its importance. Classification ofManufacturing processes. Introduction to Casting process & stepsinvolved. Varieties of components produced by casting process.Advantages & Limitations of casting process.Patterns: Definition, functions, Materials used for pattern, variouspattern allowances and their importance. Classification of patterns.Binder: Definition, Types of binder used in molding sand.Additives: Need, Types of additives used. Types of base sand,requirement of base sand. Molding sand mixture ingredients (base sand,binder & additives) for different sand mixtures. Method used for sandmolding, such as Green sand, dry sand and skin dried moulds.Cores: Definition, Need, Types. Method of making cores, Bindersused, core sand molding.Gates & Risers: Principle and types.Fettling and cleaning of castings: Basic steps, Casting defects,Causes, features and remedies.
Special Moulding Process & Furnaces:Moulding Machines : Jolt type, Squeeze type, Jolt & Squeeze type andSand slinger.Process: Study of important molding processes, No bake moulds,Flaskless moulds, Sweep mould, CO2 mould, Shell mould, Investmentmould.Metal moulds: Gravity die-casting, Pressure die casting, Centrifugalcasting, Squeeze Casting, Slush casting, and Thixocasting processes.Classification of furnaces: Constructional features & working principleof coke fired, oil fired and Gas fired pit furnace, Resistance furnace,Electric Arc Furnace, Cupola furnace.