Related Course/s:

Aims & Objectives:

• Basic skills in machine design component
• Team skills through group projects

• Develop skills in the art of machine component design through design assignments
• Develop the ability to perform design analysis with sufficient depth to enable innovation
• Develop the ability to creatively design quality products for a sustainable environment

Teaching Methods:

Lectures (24 hrs), Tutorials (24 hrs)

Assessment:

Assignments (50%), Examination (50%)

Generic Skills Outcomes:

• Ability to apply knowledge of basic science and engineering fundamentals
• Ability to communicate effectively, not only with engineers but also with the community at large
• Ability to undertake problem identification, formulation and solution
• Ability to utilize a systems approach to design and operational performance
• Ability to function effectively as an individual and in a multi-disciplinary and multi-cultural teams, with the capacity to be a leader or manager as well as an effective team member
• Understanding of the social, cultural, global and environmental responsibilities of the professional engineer, and the need for sustainable development
• Understanding of the principles of sustainable design and development.
• Understanding of professional and ethical responsibilities and commitment to them
• Expectation of the need to undertake lifelong learning, and capacity to do so

Content:

• Introduction to design (12%): Course aims; Course structure; Relationship with other subjects; Design as an applied subject; The role of analytical techniques in design; Introduction to design modelling.
• Belts and chain drives (8%); Flat, vee, and toothed belts; Roller and toothed chains.
• Clutches and brakes (8%): Disk, drum and band brakes; Disk and cone clutches.
• Sliding bearings (8%): Viscosity; Petroff's equation; Thin film flow; Hydrostatic bearings; Hydrodynamic bearing theory; Tilting pad and thrust bearings.
• Cams (8%): Cam terminology; Output functions; Cam design: profiles, sizing, manufacture, followers.
• Tolerances (8%): Tolerances for assembly; Statistical tolerancing; Tolerance build-up
• Energy storage (8%): Mechanical energy storage: elasticity and deflection, inertia; Design, selection and application of torsion bars, helical and leaf springs; Design for impact: absorbing energy, impact.
• Fasteners and joints (8%): Threaded fasteners: types, capacity, selection, installation; Joints and gaskets: types of seal, gaskets and fastening stresses; Rivets, welding and bonding: selection, stress and fatigue considerations.
• Shafts (8%): Design, mounting of parts, connections, support, coupling.
• Rolling element bearings (8%): Types, design, fitting, selection
• Gears (16%): Spur, helical, bevel and worm gears: geometry, gear-tooth stresses, design approaches for compact housings of gear trains

Textbooks:

References: