Mechanical Design a Comprehensive Course

Explore how strength of materials informs stress analysis, Mohr circle calculations, and safety-focused mechanical design through yield criteria, Tresca, and von Mises, with manufacturing considerations.

Derive centroid and moment of inertia for an I-beam cross-section, analyze normal and shear stresses under a uniform load, and compare analytic results with finite element outcomes.

Design a wind-loaded advertisement gantry in a hollow circular column, analyzing bending moments, torsion, and combined stresses to determine normal and shear stress distributions.

Analyze the design of a pressure vessel under internal pressure, computing hoop and axial stresses, then use a Mohr circle to determine principal and maximum shear stresses.

Analyze power transmission shafts via two-view force and moment analysis to predict bending and torsional stresses, determine sections, and select safe diameters and materials using safety factors and Trescott theory.

Design a bench press style pipe vise with multi-part assemblies, balancing function, manufacturing, and assembly considerations while exploring jaw shapes, power screw, soft bushes, and connection options.

Analyze the pipe vice power screw, deriving torque and normal force diagrams, applying friction and thread pitch concepts. Discuss guide bush design, material selection, and manufacturing considerations.

Explore the mechanical design methodology for a bench press, including torque analysis, cross section stress calculations, centroid and moment of inertia, and safety considerations for casting iron components.

Design a globe valve and apply structural and flow considerations to ensure leak-free operation under specified pressure, using stress, torque, and assembly concepts from previous lectures.

Design a shop press that focuses on designing the power screw and hand wheel drive with two gears and keyways, analyzes torque, bending, and torsion, and guides material selection.

Explore the design of bolted connections, part 1, including assembly and working stages, initial tension and torque, and the role of spring models, stiffness, friction, and safety factors.

Learn to model bolted connections with two springs in parallel to assess stiffness, residual tension, and safety factors under loading. It covers fatigue analysis using Burk's theory for dynamic loading.

Explore practical bolted connection applications, analyzing direct normal loads, direct shear, bending moments, and tilting about critical points, and determine pretension and friction to ensure external loads are safely carried.

Explore bolted connections in a valve assembly, analyzing pressure and area to determine forces and predict stresses. Evaluate torque, tightening, leakage prevention with gaskets, and safety factors for design.

Define fits and tolerances for shafts and holes, decide clearance, transition, or interference based on the application, and justify tolerance choices to balance manufacturing cost and assembly reliability.

This lecture introduces flange couplings for power transmission, including feather keys, centering rings, and through bolt vs friction methods, and outlines torque and tightening considerations for reliable operation.

Explore the design of floor cranes, including monorail trolleys, eyebeams, and roller bearings, and analyze bending moments, welding and bolted connections, and safety loads.

Analyze the design of a wall mounted crane, including the trolley, spindle, and eyebeam, focusing on safe working load (NSWRL) and critical positions using force diagrams.

Design and analyze a hydraulic lift as a mobile hydraulic crane, using lever geometry, piston cylinder actuation, and force diagrams to identify critical positions and perform stress analysis.

Design centrifugal pumps by analyzing the impeller-driven pressure rise, shaft and bearing loads, and manufacturing and sealing considerations to minimize deflection and misalignment.