ANNA University Design Of Machine Elements Notes
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Syllabus:
UNIT II DESIGN OF SHAFTS AND COUPLINGS 12
Design of solid and hollow shafts based on strength, rigidity and critical speed – Design of keys, key ways and splines - Design of crankshafts -- Design of rigid and flexible couplings.
UNIT III DESIGN OF TEMPORARY AND PERMANENT JOINTS 12
Threaded fastners - Design of bolted joints including eccentric loading, Knuckle joints,Cotter joints – Design of welded joints, riveted joints for structures - theory of bonded joints.
UNIT IV DESIGN OF ENERGY STORING ELEMENTS 12
Design of various types of springs, optimization of helical springs -- rubber springs -- Design of flywheels considering stresses in rims and arms, for engines and punching machines.
UNIT V DESIGN OF BEARINGS AND MISCELLANEOUS ELEMENTS 12
Sliding contact and rolling contact bearings -- Design of hydrodynamic journal bearings, McKee's Eqn., Sommerfield Number, Raimondi & Boyd graphs, -- Selection of Rolling Contact bearings -- Design of Seals and Gaskets -- Design of Connecting Rod.
Syllabus:
UNIT I STEADY STRESSES AND VARIABLE STRESSES IN MACHINE
MEMBERS 12
Introduction to the design process - factor influencing machine design, selection of materials based on mechanical properties -- Preferred numbers, fits and tolerances –Direct, Bending and torsional stress equations – Impact and shock loading – calculation of principle stresses for various load combinations, eccentric loading – Design of curved beams – crane hook and ‘C’ frame - Factor of safety - theories of failure – stress concentration – design for variable loading – Soderberg, Goodman and Gerber relations
MEMBERS 12
Introduction to the design process - factor influencing machine design, selection of materials based on mechanical properties -- Preferred numbers, fits and tolerances –Direct, Bending and torsional stress equations – Impact and shock loading – calculation of principle stresses for various load combinations, eccentric loading – Design of curved beams – crane hook and ‘C’ frame - Factor of safety - theories of failure – stress concentration – design for variable loading – Soderberg, Goodman and Gerber relations
UNIT II DESIGN OF SHAFTS AND COUPLINGS 12
Design of solid and hollow shafts based on strength, rigidity and critical speed – Design of keys, key ways and splines - Design of crankshafts -- Design of rigid and flexible couplings.
UNIT III DESIGN OF TEMPORARY AND PERMANENT JOINTS 12
Threaded fastners - Design of bolted joints including eccentric loading, Knuckle joints,Cotter joints – Design of welded joints, riveted joints for structures - theory of bonded joints.
UNIT IV DESIGN OF ENERGY STORING ELEMENTS 12
Design of various types of springs, optimization of helical springs -- rubber springs -- Design of flywheels considering stresses in rims and arms, for engines and punching machines.
UNIT V DESIGN OF BEARINGS AND MISCELLANEOUS ELEMENTS 12
Sliding contact and rolling contact bearings -- Design of hydrodynamic journal bearings, McKee's Eqn., Sommerfield Number, Raimondi & Boyd graphs, -- Selection of Rolling Contact bearings -- Design of Seals and Gaskets -- Design of Connecting Rod.
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