1997 Swinburne Higher Education Handbook

MM606 Manufacturing Technology
I 5 credit points k: 5 hours per week k: Hawthorn k: Assessment:
assimments and tests
A sibject in the Graduate Diploma in Manufacturing
Technolo
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Content .
Sheetmetal work presses; classification, drive systems and
mechanisms, evaluation of different types, operation,
applications, selection. Press feed medhanisms; types,
advantages and disadvantages, applications. Die cushions.
Bending of sheetmetal; analysis of die types, forces, recoil,
springback, blank development. Deep drawing; planning,
force requirements, variables, effects of clearance, cutting
with she'ar, stripping force. Materials selection for press -
forming; general requirements, mechanical tests, tensile test,
analysis of stress-strain curves and parameters, r and n
values, tests to simulate processes, stretch forming tests,
deep-drawing tests, bending tests, forming-limit diagrams,
applications. Function and terminology for die components;
blanking dies, commercially available die sets, punches and
accessones.
Numerical control; introduction to NC machine tools,
comparison with conventional,, hardware configurations,
software implementation, control systems, machine control
unit, feedback, sensitivity. NC system components;
comparison of actuation systems, electric, hydraulic,
pneumatic. Design considerations for NC machine tools;
design differences between conventional and NC machines,
mechanical design considerations, control system design
considerations. System input/output; types of input media,
symbolic codes, tape input format, communication with
MCU. NC programming; programming methods, computer
assisted NC programming [processors, post; processors],
part programming languages APT. Computer Numerical
Control (CNC), Direct Numerical Control (DNC);
comparison, management implications.
Plastics and rubbers; overview of processes. Melt forming,
rheology, mathematical analysis of pseudoplastic, dilatent,
newtonian flow, time dependant flow, thixotropy, viscosity,
tractional viscosity. Extrusion defects; causes and
prevention. Extrusion die design. Single and multiple screw
extrusion; hardware and product characteristics. Injection
moulding; mould design, basics of the moldflow philosophy,
cooling systems. Thermoforming die design. Elastomers; C
black, other additives, compounding. Compression and
injection moulding.
Recommended reading
Crawford, R.J., Plastics Engineering. 2nd edn, Oxford, Pergamon
Press, 1987
Groover, M.P., Automation, Production Systems and Computer
Integrated Manufacturing. 2nd edn, Englewood Cliffs, N.J.,
Prentice Hall, 1987
Harris, J.N., Mechanical Working of Metals Theory and Practice.
Oxford, Pergamon, 1983
Kalpakjian, S., Manufacturing Processes for Engzneering Materials.
2nd edn, Reading, Mass., Addison-Wesley, 1991
MM607 Manufacturing Technology
I5 credit points k: 5 hours per week k: Hawthorn k: Assessment:
assignments and tests
A subject in the Graduate Diploma in Manufacturing
Technology
Content
Mathematical analysis of forming equilibrium analysis of
common working processes, e.g. wire drawing/strip
drawing/extrusion/tube drawing/forging. Redundant work,
friction and lubrication.
Deformation mechanics slip line field applied to forming
problems metal flow.
Polymeric materials blow moulding parison production
including parison programming. Closing, blowing and
ejection. Cooling systems including economic analysis of
specialised cooling. Stretch blowing moulding effects on the
materials and products and production economics in
particular. Injection moulding. Introduction to moldflow.
Rubber compounding and vulcanisation.
Vibration and noise revision of theory of vibration for
multi-degree of freedom systems incl;ding viscous and
hysteretic damping. . ., Vibration isolation, transmission and
measurement. Equivalent systems. Chatter and stability.
Sound transmission, power, intensity sound absorption.
Insulation, resonance, noise rating. Noise control and
measurement.
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Recommended readina
Crawford, R.J., Plastics Engineering. 2nd edn, Oxford, Pergamon
Press, 1987
Roe, G., Elements of Metalworking Theory. London, Edward
Arnold, 1979
MM608 Manufacturing Technology
15 credit points k: 5 hours per week k: Hawthorn k: Assessment:
assignments and tests
A subject in the Graduate Diploma in Manufacturing
Technology
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