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Assignment on Computer Integrated Manufacturing

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436-365 Operations Analysis Department of Mechanical and Manufacturing Engineering Assignment on Computer Integrated Manufacturing September, 2004 Project Title: Assignment on Computer Integrated Manufacturing The University of Melbourne Parkville 3010 Students: Taylan Eron, 100866 taylan@ecr.mu.oz.au Choon Tsung, 99786 cholo@nexus.ihouse.unimelb.edu.au Willis Sutanto, 101432 w.sutanto@ugrad.unimelb.edu.au Date: 10-September-2004 Version: 3.0, 10-September-2004 TABLE OF CONTENTS INTRODUCTION 3 HISTORY AND EVOLUTION 4 DEVELOPMENT OF NUMERICAL CONTROL 4 THE ADVENT OF COST-EFFECTIVE COMPUTERS 4 COMPUTER AIDED DESIGN 5 COMPUTER AIDED MANUFACTURING 5 ISLANDS OF AUTOMATION 5 HOLISTIC VIEW TO MANUFACTURING 6 ADVANTAGES AND DISADVANTAGES 7 CASE STUDIES 9 AUTOMOBILE PRODUCTION AT OPEL, BOCHUM (GERMANY) 9 PIONEER MAGNETICS 10 SHANGHAI NO 2 TEXTILE MACHINERY COMPANY LTD 11 IMPLEMENTING CIM IN SHENYANG BLOWER WORKS 11 CONCLUSION 12 GROUP MEETINGS AND DISCUSSIONS 12 REFERENCES 13 Introduction Computer Integrated Manufacturing (CIM) is a term that is used to cover a broad range of technologies and soft automation used to increase the cost effectiveness of products and plants. Its exact definition is hard to pinpoint since it is highly dependent on viewpoint, not just across industries, but also within organizations. Integrated manufacturing is not itself a new concept, but the concept of orchestrating the factors of production and its management is. CIM covers a range of manufacturing operations and its associated acronyms from computer-aided design and computer aided manufacturing (CAD/CAM), flexible manufacturing systems (FMS) and computer aided process planning (CAPP). Of the three words that comprise CIM, the middle word - integrated - is perhaps the most critical [1]. Integration of capital, human resource and equipment is vital to the successful operation of any manufacturing operations. This word alone implies that haphazard or ad hoc application of technology is strongly discouraged within a CIM framework. The integration is strongly oriented around the computer systems within an organization, whether they be computers in the accounting department, numerical control units in the production plant or point of sales units on the shop floor. ...read more.


This will reflect in major savings for the company, as labour cost tends to be the major cost. Furthermore, CIM components especially those that are associated directly to the manufacturing processes will ensure higher quality in the end products. This benefit is a consequence from high precision advanced manufacturing equipments. Operators' responsibilities are taken away significantly with automation, thus eliminating most of the manufacturing glitches due to human errors. In addition, the rate of production and production flexibility are enhanced greatly. This means that the lead time which is the time needed to produce a finished product from the first operation to dispatch is reduced (Walters and Schtaklef, 1990) and at the same time the same set of equipments can be used to produce different types of products. The present markets are characterised by high competitions, shorter product life cycles, greater product diversity, fragmented markets as well as varieties and complexities (Milling, 1997). As a result companies are required to be able to adjust quickly and meet the consumers' demand to stay in today's competitive markets. Finally, CIM also gives a significant economic boost to the company. By using the information from all the CIM components correctly, a company can reduce its uncertainty about the variability in the market conditions through timely introduction of new products to the market (Kutay and Finger, 1990). As discussed earlier, CIM can enhance the product differentiation and response time. This will ensure the company a leading edge among its competitors since it is more flexible and also has faster response time. This in turn will enable the company to capture a big portion of a new market quickly. If CIM can give so many significant benefits to a company, why then there are still many companies reluctant to implement CIM? It has to be stressed once again that CIM is not just about using advanced manufacturing equipment. It is more a carefully planned system that integrates all the different functional units within a company into one system from management to manufacturing levels and shares all the information available. ...read more.


This will not only change the organizational structure of many companies, but it will in itself become a significant competitive factor in itself. The growth in CIM will not only be led by large corporations looking to streamline their operations. At many levels within the economy, CIM will become an important factor as organizations seek to exploit the best advantages of the link between information technology and organizational procedure. CIM will find its way down the chain of suppliers as inter company cooperation continues to grow and large firms continue outsourcing more of their work to smaller, more specialised and flexible firms. These firms will in turn need to ensure that they can operate within the CIM structure of the larger firms, hence the need to understand and fully utilize CIM. The important factors motivating the introduction of CIM are the cost advantages and the flexibility it can yield. These cost advantages, generated by integration and streamlining of processes, are even more important in the current climate of increasing international competition. But firms need to be aware of the total picture and overall framework of CIM and ensure that it is fully implemented at all relevant levels in the organization in order to overcome the pitfalls that have befallen previous attempts. Group Meetings and Discussions Date Description 3rd August Team members met up for the first time after some background reading has been done. Decided that more background reading should be done first before any discussion. Agreed that 2 weeks should be sufficient time to complete reading of material. 18th August Decided tasks- Taylan will do introduction as well as brief history of CIM, Willis will do the advantages and disadvantages and the levels of implementation of CIM, and Tsung will do the Case studies. 25th August Decided that Taylan will be the one who will compile the individual essays into one main essay. Also decided that everyone will proofread the others work to give constructive comments. 6th September Have a rough final copy of the work. Just needs some small touch ups to the document. ...read more.

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