Note for Basic Manufacturing process - BMP By Ranu Singh

Pattern making, pattern materials, allowances, types of pattern, sand casting types, sand cast, moulding procedure, types of sand, gates and riser (basic design considerations) essential properties of moulding sand, core making, types of cores. Essential qualities, core mixtures and binder sand testing, Mould and core hardness test, fineness test, clay content test, permeability test, moisture content test, sand conditioning. Cleaning of casting and defects in casting, die casting. Precision investment casting, shell moulds, centrifugal casting processes, permanent moulds casting, dies casting.

Hot and cold working of Metals: Basic Principles of hot and cold working of metals

Types of Rolling, Rolling equipments hot and cold rolling, General deformation pattern, Pressure and forces in rolling. Distribution of roll pressure, angle of bite, effect of rolling on microstructure, Rolling defects, Numerical on rolling load and power required for reduction, Thread rolling.

Smith forging, Drop forging, press forging & Machine forging, Description of Presses and hammers, forging defects

Direct, Indirect and impact extrusion and their applications, Extrusion defects. Determination of extrusion force. Drawing: Wire and rod drawing, Tube drawing, Process variables in drawing process. Deep drawing. Determination of drawing force

Preparation of powder, properties of powder, fabrication methods & procedure, applications, advantages.

Classification, types of welding joints, Gas welding: principles, types of flames, equipment, techniques of gas cutting. Electric Arc Welding: Principles of electric welding equipments and electrodes. Principles of Inert Gas Welding: TIG, MIG, sub-merged arc welding. Atomic hydrogen welding, plasma are welding. Resistance Welding: Principle of forge welding, spot welding, seam welding, projection welding, Upset-butt welding, flash welding. thermit welding, electro-slag welding, friction welding. Brazing and Soldering. Welding defects and inspection.