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E.A. Arn

Group Technology

Name: Group Technology
Author: E.A. Arn

An Integrated Planning and Implementation Concept for Small and Medium Batch Production

Paperback Engels 1975 9783540075059

60,99

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Samenvatting

Group Technology (GT) as a manufacturing concept has gained steady interest within the machine building industry all over the world. Originally it was used more or less only in the so-called parts family manufacturing concept. With growing opportunities for using the computer in the design process, operating planning and layout planning, the potential advantages became more and more obvious. In order to implement GT successfully and with a view to improving the overall economic situation of a production company, it is necessary to consider all aspects of the com plete manufacturing system. Experience has shown, that in the first stage a general basis has to be formed. This is done by a clear and practical definition of three GT manufacturing systems, the devel opment of a set of classification systems for work pieces, working operations and man ufacturing equipment, and in building a data bank from which a data basis for the GT planning process can be evaluated. A second stage of implementation then considers the particular aspects of GT. These are, firstly, a concept for layout and investment planning based on a representative parts spectrum; secondly, for application of the GT-idea in the design process three similar types of parts are to be developed as a logical supplement to the standard and recurring parts practice; thirdly, a three stage process planning and work measurement system can be developed for the so defined spectrum of similar parts.

Specificaties

ISBN13:9783540075059

Taal:Engels

Bindwijze:paperback

Aantal pagina's:164

Uitgever:Springer Berlin Heidelberg

Druk:0

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Inhoudsopgave

1 Introduction.- 2 The Basic Forms of GT-Manufacturing Systems.- 2.1 GT-Centre.- 2.2 GT-Cell.- 2.3 GT-Flow Line.- 2.4 Psychological Working Aspects of GT-Manufacturing Systems.- 3 Systems Engineering in the Production Process.- 3.1 Area of Production System Design.- 3.1.1 Product Design.- 3.1.2 Manufacturing Design.- 3.1.3 Work Study and Wage Structure.- 3.2 Systems Engineering Structure.- 3.3 Systems Engineering Procedure.- 3.4 Rules and Working Aids of Systems Engineering.- 4 Classification and Coding.- 4.1 Characteristics and Planning Data.- 4.2 System Structure.- 4.2.1 Sub-System ‘Workpiece’.- 4.2.2 Sub-System ‘Operation’.- 4.2.3 Sub-System ‘Equipment’.- 4.3 Application of the Structure Planning.- 4.4 Technological Data Bank.- 4.5 Evaluation Programme for GT.- 5 Investment and Layout Planning.- 5.1 Investment Planning within the Framework of GT.- 5.2 Determination of the Representative Types Spectrum of Products.- 5.2.1 Number of Representative Product Types.- 5.2.2 Type Mixture.- 5.3 Layout Planning.- 5.3.1 Determining the Machining Groups.- 5.3.2 Determining the GT-Layout Form.- 5.3.3 Selection of Machines.- 6 Parts Design.- 6.1 Survey of the Rationalization Methods.- 6.1.1 Standard Parts.- 6.1.2 Recurring Parts.- 6.1.3 Similarity Types.- 6.1.4 Comparison.- 6.2 Procedure: Similarity Types of the Design Family.- 6.2.1 Selection of the Rationalization Method.- 6.2.2 Analysis.- 6.2.3 Synthesis.- 6.2.4 Working Aids.- 6.3 Model Example: Similarity Types of the Design Family.- 6.4 Aspects of Computer Aided Parts Design.- 7 Process Planning.- 7.1 Similarity Planning.- 7.1.1 Similarity Types.- 7.2 Procedure: Similarity Types of the Machining Family.- 7.2.1 Selection.- 7.2.2 Analysis.- 7.2.3 Synthesis.- 7.2.4 Working Aids.- 7.3 Procedure: Similarity Types of the NC-Programming Family.- 7.4 Model Example: Similarity Types of the Machining Family.- 7.5 Model Example: Similarity Types of the NC-Programming Family.- 7.6 Aspects of Computer Aided Process Planning.- 8 Work Measurement.- 8.1 Survey of Work Measurement Techniques.- 8.1.1 Time Studies.- 8.1.2 Calculation Technique Using Technological Formulae as an Aid.- 8.1.3 Synthetic Times.- 8.1.4 Comparative Estimating.- 8.1.5 Subjective Estimating.- 8.2 Work Measurement on the Basis of the Similarity Types.- 8.3 Model Examples.- 8.3.1 Main Type.- 8.3.2 Basic Type.- 8.3.3 Single Type.- 8.4 Prospect of Computer-assisted Work Measurement.- 9 Production Control.- 9.1 The Crucial Points of Application for GT.- 9.2 Sequence Family Criteria.- 9.2.1 Main Criteria.- 9.2.2 Additional Criteria.- 9.3 Sequence Family Structure.- 9.3.1 Work Programme for the Distribution of Work.- 9.3.2 Information in Respect of Alternative Possibilities.- 10 Wage Structure.- 10.1 Description of the Bonus Wage System.- 10.1.1 Quantity Performance.- 10.1.2 Quality Performance.- 10.1.3 Application Example.- 10.1.4 Handling of the Bonus Wage Scheme.- 11 Conclusions.- References.

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