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All students should go through the lab manual for the experiment to be carried Overview: Silica sand (SiO2) is used more frequently for making castings So when the mould is broken and the castings removed a hollow portion will result in the casting. Core sand= Moulding sand+ binders (ABC core oil) or sodium3. Moulding: Molding properties of sodium silicate bonded sand. 4. Casting: Shrinkage behavior during permanent mold casting. 5. Casting: Fluidity of Aluminum Unit 2: Casting Experiments. 2.1 Sand Casting Process Experiment. 2.2 Sand casting tests. Unit 3: Welding Experiments. Unit 4: Sheet Metal Forming and Press Sum the allowance and actual dimension. • Redraw the casting drawing with the dimensions including allowances. 2. Pattern Making. • Check the dimensions of Finishing allowance: The casting is to be machined at some points then the casting should be provided with excess metal formachining. Types of foundry sand. 1. CASTING LAB MANUAL Prepared by Venkatraman Narasiman.,B.E.,M.E.,MISTE, ( Content Note : Atleast minimum of 5 experiments should be conducted for each