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Academic Year 2023/24
M32064 - Manufacturing System Design
Deadline For Submission:
Submit the work in a written report via Moodle together with Enterprise Dynamics simulation files.
Instructions for completing the assessment:
The work involves a design of a complex production system in a virtual environment with solutions developed and submitted in a report via Moodle. The length of the report is suggested no more than 2000 words.
Aims of this work
To develop a systematic understanding and critical awareness of sustainable manufacturing systems, system design approaches and planning techniques applied to industry.
Unit learning outcomes
Critically appraise a systematic approach with lean thinking and apply it into analysis, planning, design and performance evaluation of a complex production system.
Assessment strategies & instructions
The overall assessment strategy is designed to test problem solving capabilities through a case study in a virtual environment using computer-aided design and modelling simulation tools to satisfy LO1 and LO2, with solutions developed and submitted in a report. Each student is expected to develop their own computer models, which will be checked and questioned by the supervisor as part of the overall assessment.
The report should include the following information:
Unit Title - Manufacturing System Design
Unit Code - M32064
1) Introduction/Background (refers to page 2-3 and your own research work)
2) Main work (refers to page 3-4)
3) Discussions and conclusions References (if applicable) Appendix (if applicable)
In order to be competitive, modern products must be designed with a view to production methods in which a production system should to be designed in a cost-effective way and the system is able to operate at optimal or near-optimal conditions. Nevertheless, design of a production system can be a complex process and any small change of the system design often makes a significant impact on the overall system performance. In the real-world industry, implementation of the entire production system is often very expensive and the cost of ‘getting it wrong’ can be very high. For these reasons, both system and product designers need to work together to ensure a ‘right first time’ scenario. Virtual prototyping techniques offer a potential solution to the major difficulties involved in design, analysis and performance evaluation of a product and a production system providing a fast delivery of alternative solutions at a minimum of cost. Nowadays, virtual prototyping techniques are commonly used in manufacturing sectors involving some form of computer-aided design and modelling simulation activities.
Assignment & Tasks
This assignment is based on a case study of assembling loudspeakers on a production line that needs to be investigated. A loudspeaker manufacturer has just upgraded its loudspeaker design by incorporating some forged parts with improved magnetic characteristics for the unit, which has additional benefits of reduced part count and part features to facilitate automatic feeding as well as ease of manual assembly. Figure 1 shows the basic structure of a loudspeaker and Figure 2 illustrates what is known as the motor unit assembly together with the voice coil. Figure 3 shows a cross-section through a typical loudspeaker. The assembly of an entire loudspeaker is illustrated in Figure 4 and 5, respectively. The parts in the whole assembly can be grouped into two different types namely:
1. “Soft” parts:
2. “Hards” parts (These are all in the ‘motor unit’ sub-assembly)
The proposed manufacturing facilities should as far as possible incorporate automation, however, it is still anticipated that some of the ‘soft’ parts may be assembled manually. The aim is to produce one loudspeaker every 20s over an 8hr working day and a 5-day week (1440 units/day, 7200 units/week). The speakers can be sold at £5/unit, giving a potential turnover of £36000/week and £1800000/year.
After an initial investigation of the system, data collection and analysis, the following system parameters have been identified and determined:
Figure 1. Loudspeaker construction
Figure 2. Motor unit assembly
Figure 3. Cross-section through a typical loudspeaker
Figure 4. Engineering drawing of the assembly of the loudspeaker together with a 3D computer design assembly
In addition, the following system elements, operational activities and relevant information are suggested below:
The following information is known about the breakdown and repair of equipment:
You should attempt to complete the following tasks:
Note: Make your own assumptions due to any necessary data which may not be given or should not be included in your particular case study. This may refer to such as the availability of factory space, location of stores and so on. You may also consider how your system design may be able to cope with an increase in demands as well as product variances in future.
Your work must be presented and illustrated in a written report. The report should be structured as indicated at page 1 and it should include your own work with the relevant context, drawings and screen- captures and other materials. Please keep your report concisely below 4000 words.
Your work will be assessed according to the “marking criteria” as attached with this assignment.
A final report in writing must be submitted via Moodle by 22th January 2021 BEFORE 17:00. The report must be submitted in the MS Word format. A late submission of the report and its assessment will apply in accordance with Academic Regulations, University of Portsmouth, Academic Registry, 2012.
The standard price quoted for this assignment is up to 3000 words. For custom word count and written work, contact via Click here → Whatsapp UK, OR Whatsapp Middle East ← Click here OR Live Chat.
Email: [email protected]
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