Design of Jigs, Fixtures and Press Tools

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(248 Seiten)
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ISBN-13:
9781119155652
Einband:
E-Book
Seiten:
248
Autor:
K. Venkataraman
Serie:
ANE Books
eBook Typ:
PDF
eBook Format:
E-Book
Kopierschutz:
Adobe DRM [Hard-DRM]
Sprache:
Englisch
Beschreibung:

Textbook presenting the fundamentals of tool design with special focus on jigs, fixtures and die design* Covers sections on sheet metal forming processes; turning, grinding, broaching, welding and modular fixtures; principles of clamping; and an Introduction to Presses and Auxiliary Equipment
* Author has many years' experience in both academic and industrial environments, and presents this work in an easily-accessible style
* End of chapter questions and answers assist the learning process for both practicing tooling designers and engineers, and manufacturing engineering students
Inhaltsangabe

Preface vii

Foreword ix

PART I : JIGS, FIXTURES

1. Introduction to Jigs and Fixtures 1.3–1.7

1.1 Introduction to Modern Day Production 1.3

1.2 Definition of Jigs, Fixtures and Tooling 1.4

1.3 Fundamental Concepts in the Design of Jigs and Fixtures 1.6

Summary 1.7

Review Questions 1.7

2. Design of Locators 2.1–2.9

2.1 General Principles of Degrees of Freedom and Constraints 2.1

2.2 Foolproofing 2.3

2.3 Other Principles in the Design of Locators 2.3

2.4 Various Types of Locators 2.4

Summary 2.9

Review Questions 2.9

3. Design of Clamps 3.1–3.12

3.1 Principles of Clamping 3.1

3.2 Classification of Clamps 3.2

Summary 3.11

Review Questions 3.11

4. Drilling Jigs 4.1–4.12

4.1 Introduction 4.1

4.2 Types of Jigs 4.1

4.3 Components of Jig 4.4

Summary 4.11

Review Questions 4.11

5. Design of Milling Fixtures 5.1–5.8

5.1 Salient Features of Milling Fixtures 5.1

5.2 Classification of Milling Fixtures 5.2

Summary 5.7

Review Questions 5.7

Annexure 5.7

6. Other Types of Fixtures 6.1–6.18

6.1 Turning, Grinding, Broaching, Welding and Modular Fixtures 6.1

6.2 Turning Fixtures 6.1

6.3 Grinding Fixtures 6.3

6.4 Broaching Fixtures 6.5

6.5 Welding Fixtures 6.6

6.6 Modular Fixtures 6.6

6.7 Advantages and Disadvantages of Modular Fixtures 6.9

Summary 6.10

Review Questions 6.10

Annexure-I 6.11

Annexure-II 6.13

Worked Examples for Jigs and Fixtures WE.1–WE.7

WE 1. Inclined Drilling Jig with Indexing (Chapter 4) WE.1

WE 2. Box Jig (Chapter 4) WE.2

WE 3. Indexing Milling Fixture (Chapter 5) WE.4

WE 4. String Milling Fixture (Chapter 5) WE.5

WE 5. External Broaching Fixture (Chapter 6) WE.5

WE 6. Boring Fixture (Chapter 6) WE.7

Appendix A: Metal Cutting Tools A.1–A13

A.1 Introduction A.1

A.2 Single-Point Cutting Tools Used in Turning and Boring Fixtures A.1

A.3 Multi-point Cutting Tools A.4

Appendix B: Fits and Tolerances B.1–B.7

B.1 Introduction B.1

B.2 Unilateral and Bilateral Tolerances B.1

B.3 Shaft and Hole Basis of Specifying Tolerances B.2

Summary B.7

Appendix C: Suggested Questions and Answers C.1–C.8

PART II: PRESS TOOLS

1. Introduction to Presses and Auxiliary Equipment 1.1–1.9

1.1 Classification of Presses 1.3

1.2 Classification Based on Power Source 1.3

1.3 Classification Based on Type of Press Frame 1.5

1.4 Classification Based on Method of Actuation of Slide 1.6

1.5 Classification Based on the Number of Slides in Action 1.8

Summary 1.9

Review Questions 1.9

&

4.3 Design of Progressive Dies 4.6

4.4 Compound Die 4.13

4.5 Calculation of Centre of Pressure in Unsymmetrically Profiled Components 4.14

Summary 4.16

Review Questions 4.17

Annexure 4.17

5. Bending, Drawing and Forming Dies 5.1–5.23

5.1 Introduction 5.1

5.2 Classification of Bending and Other Forming Dies 5.1

Summary 5.20

Review Questions 5.21

Annexure 5.21

Design Exercises for Press Tools DE.1–DE.3

Appendix A: Properties of Materials A.1–A.4

Appendix B: Drawing Speeds and Lubricants B.1–B.3

Appendix C: Press Tools–Suggested Questions and Answers C.1–C.10

Index I.1–I.11

References 1

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