Browsing by Author "Easterby, R. S."

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    Ergonomics in machine tool design: first progress report on M.T.I.R.A. research project
    (College of Aeronautics, 1962-10) Easterby, R. S.
    This report is the first of a regular series of reports to be issued describing the progress of a research project on Ergonomics in relation to Machine Tool Design. The project is being carried out in the Ergonomics Laboratory of the Department of Production and Industrial Administration under the sponsorship of the Machine Tool Industry Research Association. The report is in two sections, the first of which outlines the scope of Ergonomics in relation to Machine Tool design and the existing state of this aspect of design in various firms representative of the industry in the United Kingdom. The second section details a project which was undertaken after consultation with one of the Research Association's members, into the problems of legend design. Here the design approach is probably applicable to similar problems on most machine tool types.
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    Ergonomics in machine tool design: second progress report on M.T.I.R.A. research project
    (College of Aeronautics, 1963-04) Easterby, R. S.
    This report is the second of a series of reports, to be issued every six months, describing the progress of a research project on ergonomics in relation to machine tool design. The report covers, in broad outline, the progress made, and some projects anticipated in the ensuing year. Separate detailed technical reports will be issued from time to time, as experimental and survey data become available. The progress reports are numbered in The College of Aeronautics Notes series. The first report, issued in October, 1962, is CoA Note 150, Part 1. The technical reports will also be numbered in the series.
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    An evaluation of the British standard proposals for symbols on machine tool indicator plates
    (College of Aeronautics, 1965-03) Easterby, R. S.
    The work detailed in this report has been undertaken as part of a research project supported by the Machine Tool Industry Research Association on Ergonomics and Machine Tool Design. In an early research project report, some comments were offered on the Draft British Standard for Symbols for Machine Tool Indicator Plates, and the Director of M.T.I.R.A, invited the author to elaborate on these preliminary criticisms. Although finalisation of the British Standard was imminent, it was realised that it would be remiss if a research project specifically devoted to ergonomics and machine tool design did not make a detailed and constructive assessment of the proposed standard symbols.
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    Human factors specification for a machine tool scale reader
    (College of Aeronautics, 1964-05) Easterby, R. S.
    The length measuring devices on many machine tools must usually cover a large range while maintaining high accuracy for small incremental movements. Many machines use the operator as part of the measuring system, where he must assign numerals and carry out visual interpolation. This report attempts to define the preferrred characteristics of such indication systems in so far as they are influenced by the capabilities and limitations of the human operator. While no radical innovations are proposed, the principles underlying the design of scale readers have been examined as objectively as possible and recommendations substantiated by reference to relevant experiments.