Module Code: 4ENT1117
Engineering Assessment Answer
TASK
This Assignment assesses the following module Learning Outcomes:
- understand safety and hazardous substance legislation and impact in the engineering workshop environment;
- define manufacturing processes, the technology used and their relationship with the environment in the context of recycling and sustainable production;
- interpret engineering drawings for component manufacture and assembly;
- use software to create programmes for Computer Numerical Control and Computer Aided Manufacture using standard conventions.
Question A
A.1 Explain why studying the type of chips produced is important in understanding cutting operations involved in forming shapes from metal using machine tools.
A.2 Draw a picture of each of the chip types below and explain the conditions and effects of each:
Continuous chips + diagram
Built-up edge chips + diagram
Discontinuous chips + diagram
Question B
B.1 Joining is an all-inclusive term. List the 3 major categories for joining processes and list 3 welding processes categories.
B.2 Describe one of two operations that can typically be used on sheet metal
B.3 Describe the general characteristics of Non-ferrous metals and alloys, and provide three
examples with specific characteristics Shearing - Involves cutting rather than forming. A shearing operation cuts the work using a punch and die. Not a forming process, however, very common operation in sheet metalworking.
Question C
C.1 Describe the principal features of a screw extruder and their functions.
Question D
D.1 Automation of manufacturing has evolved and one of the main contributors is machine technology for machining of metals and plastics using Mills and Lathes that are CNC controlled. List the benefits that these machines now can offer in a manufacturing environment.
D.2 List some benefits where robots are used in manufacturing processes
Question E
E.1 Explain why operations such as blow moulding and film-bag making are performed vertically.
E.2 Explain the main difference between thermoset and thermoplastic materials in polymer product recycling.
E.3 What characteristics make polymers attractive for clothing products?
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