Loading...Mechanisms and Machine Theory
Miltiadis A. Boboulos, Ph.D.
TABLE OF CONTENTS
CHAPTER 1: Internal Combustion Systems _ 1
1.1 Car Engines 1
1.2. Carburetor type engine fuel _ 4
1.3. Diesel engines fuels _ 5
References 6
CHAPTER 2: Spark Plug Material Selection & Manufacturing 8
2.1 Electric spark ignition of combustion mixture 8
2.1.1 Spark plug breakdown voltage 8
2.1.2 Moment of applying the spark 9
2.1.3 Spark plug arrangement 10
2.1.4 Electrodes 12
2.1.5 Insulator 12
2.1.6 Shell _ 13
2.1.7 Shield 13
2.2 Spark Plug Thermal Characteristics _ 13
2.3 Manufacture _ 14
2.3.1 Body shell manufacture 14
2.3.2 Selecting materials and manufacturing spark plug insulator 15
References _ 16
CHAPTER 3: High Energy Rate (Her) Forming 18
3.1 Explosives and physical nature of explosions _ 19
3.2 Characteristics & Technological Features Of Hydro-Explosive
Deformation _ 21
References _ 24
CHAPTER 4: Gear Drive Assembly _ 25
4.1 Explanatory _ 25
4.2 Operation principle _ 25
4.3 Design calculations _ 26
4.4 Description of the Mechanism 29
4.5 Mechanism specification& design _ 30
References _ 45
CHAPTER 5: Local Bending Stresses in Axi-Symmetrical Thin Shells
for Storing Pressure Vessels 47
5.1 Introduction _ 475.2 Aluminium Small Capacity, Highly Pressurized Shell _ 47
5.2.1. Material selection _ 47
5.2.2. Thin-wall cylinder theory: Strength calculations & dimensioning _ 48
5.2.3. Safety factor selection and allowable stress determination. 49
5.2.4. Stressed state and strength requirements 49
5.2.5. Dimensioning 50
5.2.6. Strength and deformation calculations using the Finite Element
Method (FEM) _ 52
5.3 HSS Large Capacity, Low Pressure Loading Tank 56
5.4 Discussion 63
5.4.1. Aluminium small capacity, highly pressurized shell: finite element
calculation results _ 63
5.4.2. HSS large capacity, low pressure loading tank: finite element
calculation results _ 67
5.5. Selecting Acid-Resistant Materials 70
5.5.1 Introduction _ 70
5.5.2 Anodic passivation 71
5.5.3 Mechanics of anodic passivation _ 71
5.5.4 Experimental studies – anodic protection of mild steel in sulphuric
acid solution _ 72
5.5.5 Selecting materials for the tank 74
5.5.6 Factors influencing the efficiency of the tank and its usage _ 76
5.5.7 Using the tank for storage of 10% hydrochloric acid. 77
5.6 Additional Tank Protection Techniques 77
5.7. Selecting the Metal Material for Making Another Storage Tank for 10%
Sulphuric Acid _ 79
5.7.1 For a cost limit of 3 Pounds per kilogram _ 79
5.7.2 For a cost limit of 1 Pound per kilogram 80
5.7.3 Selecting the steel for designing the storage tank 81
5.7.4 Anodic protection _ 82
5.7.5 Cathode protection 82
5.7.6 Protection by using additives (inhibitors) _ 83
5.7.7 Factors affecting tank efficiency and usage _ 83
5.7.8 Using the tank for the storage of 10% hydrochloric acid _ 84
References 84
CHAPTER 6: A Manual Winch Design _ 86
6.1 Introduction _ 86
6.2 Design Requirements _ 86
6.3 Conceptualisation & Design Creativity _ 87
6.4 The Design Concept 88
6.5 Development Stages 89
6.6 Market Research _ 90
6.7 Initial Parameters Determination 90
6.8 Mechanical Diagram Selection _ 916.9 Calculations & Assemblies & Components Selection _ 91
6.10 Marketing criteria. End-user & market requirements. _ 96
6.11 Product Functionality, End Use & Performance Specification 98
References 105
CHAPTER 7: A Bench Drilling Machine _ 106
7.1 Introduction 106
7.2 Available Product Types 106
7.3 Design Development Of The Bench Drilling Machine 110
7.4 Determining the Rotation Speed & Power of The Electrical Motor 111
7.5 Kinematical Calculations for the Belt Drive 112
7.6 Bearings Calculations 115
7.7 Calculating the Feed Gear Drive 116
7.8 Design Conceptualisation of THE Work Table Moving Mechanism _ 117
7.9 Support Base of the Bench-Drilling Machine (Figure 16) 118
7.10 Ergonomic & Aesthetic Appearance Machine Conceptualisation 118
7.11 Operation of the Machine _ 119
7.12 Conclusions 120
References 136
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