Classification of different manufacturing processes, application areas and limitations, selection of a manufacturing process.
Steps involved in casting, advantages, limitations and applications of casting process. Pattern types, allowances for pattern, pattern, materials color coding and storing of patterns.
Moulding methods and processes-materials, equipment, moulding sand ingredients, essential requirements, sand preparation and control, testing, cores and core making.
Selection of furnace-crucibles oil fired furnaces, electric furnaces cupola, calculation of cupola charges, hot blast, cupola-Degasifications, inoculation-pouring equipment, Inspection of castings. Need-Areas for mechanization-Typical layout-sand reclamation techniques-material handling, pollution control in Foundry, Computers in casting process.
Metal mould casting, Continuous casting, Squeeze casting, Vacuum mould casting, Evaporative pattern casting, Ceramic shell casting (Introductory)
Types of welding-gas welding-arc welding-shielded metal arc welding, TAW, GMAW, SAW, ESW-Resistance welding (spot, seam, projection, percussion, flash types)- atomic hydrogen arc welding-thermit welding soldering, brazing and braze welding. Welding symbols-Positions of welding-joint and groove design-weld stress-calculations-design of weld size estimation of weld dilution, heat input, preheat, and post heat temperature-computer applications in weld design, dissimilar metal. Gas welding equipments-welding power sources and characteristics safety aspects in welding-automation of welding, seam tracking, vision and arc sensing-welding robots. Defects in welding-causes and remedies-destructive testing methods
Plasma arc welding, stud welding, friction welding, explosive welding, underwater welding, roll bonding, diffusion bonding, cold welding, welding of plastics Details of electron beam welding (EBW), laser beam welding (LBW), ultrasonic welding (USW) (Introductory)
Testing of pipe, plate, boiler, drum, tank-case studies weld thermal cycle-residual stresses-distortion-relieving of stresses, weldability of cast iron, steel, stainless steel, aluminium alloys-effect of gases in welding-fatigue failure in weldments.