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deviation diagram. gearing diagram selection of optimum ray diagram ray diagram graphical representation of speed and structure di determination of variable speed range basic considerations in design of drives design and its applications introduction to machine tool gear boxes strengths programming methods. direct energy deposition limitations material extrusion powder bed fusion sheet laminat types of processes photo polymerization binder jet raw materials need definition aspiration effect sprue riser inspection techniques investment casting continuous casting numerical gating system centrifugal casting sand casting drawing extrusion dies hot and cold working rolling forging metal forming process pressure forming and vacuum forming cable and thermoforming – principle pipe extrusion of film injection molding – process and equipment. extrusi blow molding transfer molding compression molding welding defects types of joints mig tig actylene gas welding inert gas welding joining welding strip layout types of dies shearing punching blanking sheet metal working grinding machines lathe machine operations drilling machine lathe machine study of machine tools snub pulleys types of conveyors hoisting equipment containerization flat belt conveyor conveyor system material handling system compound gear train simle gear train herrigbone gear helical gear spur gear gears