Rubber-Pad Forming Processes

1st Edition

Technology and Applications

Authors: Maziar Ramezani Zaidi Mohd Ripin
Hardcover ISBN: 9780857090942
eBook ISBN: 9780857095497
Imprint: Woodhead Publishing
Published Date: 14th March 2012
Page Count: 310
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This book describes different types of rubber-pad forming processes currently being studied for their experimental and numerical advantages and disadvantages. Rubber forming adopts a rubber pad contained in a rigid box in which one of the tools (die or punch) is replaced by the rubber pad. Up to 60% of all sheet metal parts in aircraft industry such as frames, seat parts, ribs, windows and doors are fabricated using rubber-pad forming processes. Key process parameters such as rubber material, stamping velocity, rubber-pad hardness and thickness and friction conditions are investigated.

Key Features

  • The potential role of rubber as a flexible punch in metal working processes is to give insight to engineers about different parts that can be produced using this process
  • The procedure of suitable die design for each process is presented in detail
  • Full defect analysis is undertaken with a thorough report presented to optimize rubber-pad forming processes


Mechanical, industrial, and manufacturing engineers and students, process engineers and product design engineers.

Table of Contents

List of figures and table


About the authors

Chapter 1: Introduction to sheet metal forming processes


1.1 Introduction

1.2 Sheet metal forming processes

1.3 Flexible-die forming

Chapter 2: Principles of rubber-pad forming


2.1 Introduction

2.2 Advantages and disadvantages of rubber-pad forming process

2.3 Guerin process

2.4 Verson-Wheelon process

2.5 Marform process

2.6 Verson hydroform process

2.7 SAAB rubber-diaphragm process

2.8 Maslennikov’s process

2.9 Tube bulging

2.10 Demarest process

Chapter 3: Characteristics of elastomer materials


3.1 Introduction

3.2 Elastomer types

3.3 Compounding

3.4 Typical elastomers used in rubber-pad forming processes

3.5 Mechanical properties of elastomers - linear elastic

3.6 Mechanical properties of elastomers – non-linear elastic

3.7 Hyperelastic models and elastomer mechanics

Chapter 4: Forming of shallow parts using rubber tools


4.1 Introduction

4.2 Guerin process

4.3 Free forming

4.4 Bending

4.5 Multi-point forming of sheet metals with rubber cushions

Chapter 5: Piercing of sheet metals using rubber punch


5.1 Introduction

5.2 Analysis of fracture load

5.3 Analysis of ram movement

5.4 Quality of the pierced specimen

Chapter 6: Deep drawing of sheet metals using the friction-actuated blank-holding technique

6.1 Introduction

6.2 Theoretical investigation of conventional deep drawing of a cylindrical cup from a circular disk

6.3 Friction-actuated blank holding technique

Chapter 7: Deep drawing using Verson hydroforming process


7.1 Introduction

7.2 Theoretical an


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© Woodhead Publishing 2012
Woodhead Publishing
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About the Author

Maziar Ramezani

Dr Maziar Ramezani is currently a researcher at Centre for Infrastructure Engineering and Safety, The University of New South Wales, Sydney, Australia.

Affiliations and Expertise

University of New South Wales, Australia

Zaidi Mohd Ripin

Dr Zaidi Mohd Ripin is Associate Professor and Dean of School of Mechanical and Aerospace Engineering, Universiti Sains Malaysia, Malaysia.

Affiliations and Expertise

Universiti Sains Malaysia, Malaysia