PD 6470:1981

Foreword to the third edition by the Director General
BSI, G.B.R. Feilden, CBE, F.Eng, FRS
Preface by the author, L Sumner
0. Introduction
Section one. The nature of design and costs
1.1 Design
1.2 Costs
Section two. Design, standardization philosophy and
management
2.1 Design and standardization philosophy: the
      economical use of resources
2.2 Standardization philosophy in design
2.3 The 'building block' principle
2.4 Metrication and international standardization
2.5 Design facilities: use of microcomputers
2.6 An example of variety prevention: preferred
      shaft sizes, limits and fits
2.7 An example of variety prevention: common-user
      components
Section three. Examples of the application of design
and standardization philosophy
3.1 'S' type diaphragm valve (Warren-Morrison Valves Ltd)
3.2 Pneumatic actuators for valves (Hytork Actuators)
3.3 The Goliath Monobox overhead travelling crane
      (J A Carruthers and Co Ltd)
3.4 The PrintSwitch printed circuit switch (Plessey
      Connectors Ltd)
3.5 Systematic machinery and equipment selection (SYMES)
      (Royal Navy)
Section four. Production by the most economical
manufacturing processes
4.1 Group technology
4.2 Examples
Section five. Design and quality assurance
Section six. Designing for minimum cost
6.1 Introduction
6.2 Value engineering
6.3 Management of cost control
Section seven. Conclusions
Section eight. Check list for company/organization
management
Appendices
A. Cost data
B. References
Tables
1. Shaft fits: close slide g5, close running f6, with
     holes H6
2. Shaft fits: light drive k5, push h5, with holes H6
3. Shaft fits: general slide g7, general running f7,
     with holes H8
4. Housing fits: normal k6, interference M6
5. Shaft fits: stationary g6, rotating j5
6. Select list of preferred sizes of ISO machine screws:
     socket head cap screws
7. Select list of preferred sizes of ISO hexagon head
     bolts
8. Serck Audco performance record
Figures
1. Graph illustrating total product cost
2. 'S' type valve with same standard centre on more
     than one size
3. Hytork module system
4. Hytork actuator: air fail-safe type
5. Goliath Monobox rationalization of design
6. General achievements of group technology
7. Serck Audco Valves: total annual output in tons
     and yield per employee

The nature of design and costs; design, standardization philosophy and management; production by the most economical manufacturing processes; design and quality assurance; designing for minimum cost. Check list for action by company/organization management. Appendices, tables and figures concerning comparative costs.