Polymer processing optimization

Coursework Title: Polymer processing optimization

 

 

Assignment brief

 

You have been tasked to evaluate process optimisation through the use of PVT diagram as a method of process improvement in the polymer processing industry.

 

  1. Initially, describe the use of PVT diagrams and comment why they are implemented within an industrial application.

 

  1. You have been presented with processing data from two experiments (Table 1 & Table 2) using two different materials. Plot a PVT graph with each data set and comment on the structure of the material used in both experiments. Clearly identify on the graph characteristics that support your claims.

 

  1. Table 3 contains data from a Part Weight vs Holding Pressure Time experiment. Identify on the graph the optimum holding time for the process. In addition, what effect would too short or too long a holding pressure have on the process.

 

Report format

 

Abstract, introduction, results & discussion, conclusion, references

 

1500 words MAXIMUM

 

Learning Outcomes  
This assignment addresses the following learning outcome(s) of the module:

LO1) Demonstrate in an industrial context using the appropriate terminology, the principles of the injection moulding process.

LO2) Demonstrate a systematic understanding of knowledge, and a critical awareness of current problems and/or new insights, much of which is at, or informed by, the forefront of their academic discipline, field of study or area of professional practice.

 
Marking Scheme Marks Available Marks Awarded
1.         PVT diagram description 10  
2.         Experimental data (Table 1 & 2) 20  
3.         Part weight vs holding pressure (Table 3) 10  
4.         Report structure and format 10  

 

 

Assessment Criteria
Performance Level Criteria
(< 40%) Little evidence of independent research (including no or very limited bibliography) with very limited and inappropriate discussion on all parts of the assignment. A lack of understanding of the processes described and inappropriate examples is evident. A poorly structured document with disconnected arguments.
(40% – 49%) Some evidence of independent research (limited bibliography) with limited and sometimes inappropriate discussion on at least two parts of the assignment. The industrial benefits, processes described and examples provided are not fully explained or are often inappropriate. A poorly structured document with some disconnected arguments.
(50% – 59%) Some evidence of independent research (reasonable bibliography), with limited discussion on one or more parts of the assignment. The industrial benefits, processes described and examples provided are described in a limited manner or are sometimes inappropriate. A poorly structured document but mostly coherently produced arguments.
(60% – 69%) A good level of independent research (detailed bibliography), with a reasonable discussion on all parts of the assignment The industrial benefits, processes described and examples provided are described appropriately. A reasonably well structured document with coherently produced arguments.
(70% +) A good level of independent research (detailed bibliography), with a succinct and accurate discussion on all parts of the assignment. The industrial benefits, processes described and examples provided are described clearly and precisely. A well-structured document with coherently produced arguments.

 

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