Engineering Design: A Systematic Approach

The Significance of Design.- 1 General Aspects of the Designer's Work.- What is meant by design?.- What kinds of design work are there?.- Organization of the drawing office.- Relationship between the drawing office and other departments.- Why teach design as a special subject?.- 2 The Designer.- Qualities required in a designer.- What is a designer expected to know?.- 3 Design Factors.- A rational working plan for the drawing office.- What are the factors influencing design?.- How can one classify these factors clearly?.- 4 A Planned Policy for the Designer.- A The Systematic Working Plan.- B The Problem to be Solved.- The types of problem to be solved.- Exercise problems 1, 2.- C The Basic Design.- How are the various possible solutions found?.- How is the best solution found?.- The evaluation scheme.- Exercise problems 3-7.- D Materials.- Which factors determine the choice of material?.- How should one choose the material?.- Principal materials used.- Ferrous metals.- Non-ferrous metals.- E Manufacture.- The factors influencing manufacture?.- F Form Design.- What does the designer have to bear in mind in form design?.- General points regarding form design.- 1 How the basic design influences form design.- 2 How mechanical loading influences form design.- Rules.- Exercise problems 8 and 9.- 3 Influence of material on form design.- 4 How the production method influences form design.- (a) Form design of grey iron castings.- Rules.- Exercise problems 10-15.- (b) Form design of steel castings.- Rules.- Exercise problems 16 and 17.- (c) Form design of malleable iron castings.- Rules.- Non-ferrous alloys.- (d) Form design of aluminium castings.- Rules.- Exercise problem 18.- (e) Form design of pressure die castings.- Rules.- (f) Form design of plastics mouldings.- Rules.- (g) Form design of welded fabrications.- General.- Welding processes.- Gas or arc welding.- Weld forms.- Stresses.- Measures to combat contraction stress.- Joints used in welding 138.- Weldability of steels.- Design of welded structures.- Rules.- Exercise problems 19-23.- (h) Form design of forgings.- Hammer forging.- Principles of form design.- Rules.- Exercise problems 24-26.- Drop forging.- Rules.- Casting, forging, or welding?.- (i) Designing for manufacture by machining methods.- Designing for machinability.- Designing for economy.- Designing for clampability.- Designing for existing tool equipment.- Designing to avoid redundant fits.- Designing for accessibility.- Designing for ease of assembly.- 5 How the space factor influences form design.- Exercise problems 27 and 28.- 6 How size influences form design.- 7 How weight influences form design (lightweight construction).- (a) Optimization of form (lightweight construction).- Rules.- Exercise problem 29.- (b) Best possible estimate of strength.- (c) Use of welding instead of riveting.- Exercise problem 30.- (d) Use of welding instead of casting (lightweight construction in steel).- Exercise problem 31.- (e) Use of high-grade steel.- Exercise problem 32.- (f) Use of lightweight materials.- (g) Use of special sections.- (h) Use of new components.- (i) Saving of weight through basic change of layout.- (k) Lightweight construction by appropriate choice of parameter.- 8 How the use of standard components influences form design.- 9 How existing products influence form design.- 10 How appearance influences form design.- 11 How convenience of handling influences form design.- 12 How maintenance questions influence form design.- 13 How the question of repair influences form design.- 14 How surface properties influence form design.- 15 How fitness for shipment influences form design.- 16 How power requirements influence form design.- G Costs.- A Solutions of Exercise Problems.- B Bibliography.- C British Standard Specifications of Materials.- D Strength of Cast Iron.