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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Examinations 2009/
Module Title: Manufacturing Engineering & Quality Systems
Module Code: MANU 6012
School: Mechanical & Process Engineering
Programme Title: Bachelor of Engineering in Mechanical Engineering – Year 2
Bachelor of Engineering in Biomedical Engineering – Year 2
Programme Code: EMECH_7_Y
EBIME_7_Y
External Examiner(s): D. E.Ahearne, Prof David FitzPatrick
Internal Examiner(s): Mr. Michael Walsh
Instructions: Attempt THREE out of five questions.
Duration: 2 hrs
Sitting: Winter 2010
Requirements for this examination:
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the correct examination paper. If in doubt please contact an Invigilator.
i) List and describe the 5 main casting defects. (10 marks) ii) Compare and contrast pure metals and alloys in relation to the solidification of metals. (8 marks) iii) Describe the process of pressure die casting and injection moulding. Give examples of components that you would manufacture with each process. (15 marks)
i) Including sketches, describe the 3 types of chip formation. How would you prevent an undesirable chip formation? (15 marks) ii) What purpose does cutting fluid serve? Describe 2 cutting fluids. (8 marks) iii) The life of a lathe tool is 3 hours when operating at a cutting speed of 50M/min. If a tool life of 6 hours is required, what is the cutting speed necessary to achieve this. Tool life index, n=1. (10 marks)
i) Describe with the aid of sketches the operation of deep drawing. How and why would multi-stage drawing be carried out. (15 marks) ii) Explain the operation of extrusion, what materials lend themselves to extrusion and why. (8 marks)
iii) List the advantages and disadvantages of flow forming processes. (10 marks)
