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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
31

High temperature cracking in the weld heat affected zone of high strength ferritic steels

Phillips, R. H. January 1973 (has links)
No description available.
32

Systematic development of new product strategies in a machine tool company

Le Beau, S. A. January 1982 (has links)
No description available.
33

Some economic aspects of cellular manufacture

Bazelya, Mustafa A. January 1977 (has links)
No description available.
34

Integrated manufacturing systems design in a multi-product company

Kruse, Günther January 1977 (has links)
Using a hydraulic equipment manufacturing plant as the case study, this work explores the problems of systems integration in manufacturing systems design, stressing the behavioural aspects of motivation and participation, and the constraints involved in the proper consideration of the human sub-system. The need for a simple manageable modular organisation structure is illustrated, where it is shown, by reference to systems theory, how a business can be split into semi-autonomous operating units. The theme is the development of a manufacturing system based on an analysis of the business, its market, product, technology and constraints, coupled with a critical survey of modern management literature to develop an integrated systems design to suit a specific company in the current social environment. Society currently moves through a socio-technical revolution with man seeking higher levels of motivation. The transitory environment from an autocratic/paternalistic to a participative operating mode demands systems parameters only found to a limited extent in manufacturing systems today. It is claimed, that modern manufacturing systems design needs to be based on group working, job enrichment, delegation of decision making and reduced job monotony. The analysis shows how negative aspects of cellular manufacture such as lack of flexibility and poor fixed asset utilisation are relatively irrelevant and misleading in the broader context of the need to come to terms with the social stresses imposed on a company operating in the industrial environment of the present and the immediate future.
35

A study of some factors which influence surface finish in the grinding process

Vickerstaff, Trevor J. January 1974 (has links)
No description available.
36

Induction heating of sintered low alloy steel powder compacts : an experimental and theoretical study of through-heating shaped parts for forging

Colvin, R. A. January 1982 (has links)
No description available.
37

Aspects of a rota cycle manufacturing system

Griffiths, Ivor G. January 1977 (has links)
No description available.
38

Cost effectiveness of production control systems

Beaumont, G. January 1974 (has links)
This thesis deals with the problems associated with the planning and control of production, with particular reference to a small aluminium die casting company. The main problem areas were identified as: (a) A need to be able to forecast the customers demands upon the company's facilities. (b) A need to produce a manufacturing programme in which the output of the foundry (or die casting section) was balanced with the available capacity in the machine shop. (c) The need to ensure that the resultant system enabled the company's operating budget to have a reasonable chance of being achieved. At the commencement of the research work the major customers were members of the automobile industry and had their own system of forecasting, from which they issued manufacturing schedules to their component suppliers, The errors in the forecast were analysed and the distributions noted. Using these distributions the customer's forecast was capable of being modified to enable his final demand to be met with a known degree of confidence. Before a manufacturing programme could be developed the actual manufacturing system had to be reviewed and it was found that as with many small companies there was a remarkable lack of formal control and written data. Relevant data with regards to the component and the manufacturing process had therefore to be collected and analysed. The foundry process was fixed but the secondary machining operations were analysed by a technique similar to Component Flow Analysis and as a result the machines were arranged in a series of flow lines. A system of manual production control was proposed and for comparison, a local computer bureau was approached and a system proposed incorporating the production of additional management information. These systems are compared and the relative merits discussed and a proposal made for implementation.
39

The layout of workcentres in a job shop situation

Driscoll, John January 1975 (has links)
No description available.
40

Some aspects of the microstructure and fracture toughness of the weld heat affected zone of a martensitic precipitation hardened stainless steel

Wright, John M. January 1978 (has links)
No description available.

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