Introduction to Manufacturing Process

Definition of manufacturing, Importance of manufacturing towards technological and social economic development, Classification of manufacturing processes, Properties of materials. Metal Casting Processes: Sand casting, Sand moulds, Type of patterns, Pattern materials, Pattern allowances, Types of Moulding sand and their Properties, Core making, Elements of gating system. Description and operation of cupola. Working principle of Special casting processes: Shell casting, Pressure die casting, Centrifugal casting. Casting defects.

Joining Processes: Welding principles, classification of welding processes, Fusion welding, Gas welding, Equipments used, Filler and Flux materials. Electric arc welding, Gas metal arc welding, Submerged arc welding, Electro slag welding, TIG and MIG welding process, resistance welding, welding defects.

Deformation Processes: Hot working and cold working of metals, Forging processes, Open and closed die forging process. Typical forging operations, Rolling of metals, Principle of rod and wire drawing, Tube drawing. Principle of Extrusion, Types of Extrusion, Hot and Cold extrusion. Sheet metal characteristics: Typical shearing operations, bending and drawing operations, Stretch forming operations, Metal spinning.

Ideation: Introduction, Steps of Ideation, Introduction of Product Design, Development and Prototyping. 3D Printing: Definition, Types, History, Feasibility of Rapid Prototyping Technology (RPT), Role of CAD in RPT, 3D Modeling software and its role in RPT, Creation of STL file from CAD model and FDM. Laser Cutting and engraving: Definition, Types, History, 3D Modeling software, and Creation of compatible file format for Laser Cutting and engraving. Wood Routing: Definition, Types, History, 3D Modeling software, and Creation of compatible file format for Wood Routing..