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板料成型加工及模具设计（英文版）
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sheet metal forming processes and die design 作者: Boljanovic, Vukota 出版年: 2005-1 页数: 400 定价: $ 58.70 ISBN: 9780831132583 This is the CD-ROM Only version of this useful title, "Sheet Metal Forming Processes and Die Design". Written by an engineer with decades of practical manufacturing experience, this book is a complete modern guide to sheet metal forming processes and die design still the most commonly used methodology for the mass-production manufacture of aircraft, automobiles, and complex high-precision parts. It illustrates several different approaches to this intricate field by taking the reader through the hows and whys of product analysis, as well as the techniques for blanking, punching, bending, deep drawing, stretching, material economy, strip design, movement of metal during stamping, and tooling. While concentrating on simple, applicable engineering methods rather than complex numerical techniques, this practical reference makes it easier for readers to understand the subject by using numerous illustrations, tables, and charts. It emphasizes the influence of materials as an aid to understanding manufacturing processes and operations. It features the essential mathematical formulas and calculations needed for various die operations and performance evaluation. It shows the comparative advantages and liabilities for each manufacturing process and operation. It offers a complete picture of the knowledge and skills needed for the effective design of dies for sheet-metal forming processes highlighted with illustrative examples. It provides properties and typical applications of selected tool and die materials for various die parts. Table of contents : TABLE OF CONTENTS......Page 6 PREFACE......Page 12 LIST OF TABLES......Page 14 INTRODUCTION......Page 16 1THEORETICAL FUNDAMENTALS......Page 20 1.2 THE CRYSTAL STRUCTURE OF METALS......Page 22 1.3 DEFORMATION AND STRENGTH OF SINGLE CRYSTALS......Page 25 1.4 RECOVERY AND RECRYSTALLIZATION......Page 30 2.1 INTRODUCTION......Page 32 2.2 STRESS /STRAIN CURVES......Page 35 2.3 DUCTILITY......Page 37 2.4 TRUE STRESS AND TRUE STRAIN......Page 38 PART II MANUFACTURING PROCESSES......Page 40 3.2 SHEARING FORCES......Page 42 4.1 BLANKING AND PUNCHING MECHANISM......Page 48 4.2 BLANKING AND PUNCHING CLEARANCE......Page 50 4.3 PUNCH FORCE......Page 52 4.4 MATERIAL ECONOMY......Page 54 4.5 SHAVING......Page 58 5.2 MECHANICS OF BENDING......Page 64 5.3 MOMENT OF BENDING......Page 65 5.4 BENDING FORCES......Page 70 5.5 BEND RADIUS......Page 76 5.6 BEND ALLOWANCE......Page 79 5.7 SPRINGBACK......Page 83 5.8 CLEARANCE......Page 86 6.1 INTRODUCTION......Page 88 6.2 MECHANICS OF DEEP DRAWING......Page 89 6.3 FORCES......Page 93 6.4 BLANK CALCULATIONS FOR SYMMETRICAL SHELLS......Page 95 6.5 DETERMINING SHAPE OF BLANK FOR NONSYMMETRICAL SHELLS......Page 97 6.6 DRAWING PRACTICE......Page 101 7.1 STRETCH FORMING......Page 104 7.2 NOSING......Page 106 7.3 EXPANDING......Page 111 7.4 DIMPLING......Page 113 7.5 SPINNING......Page 115 7.6 FLEXIBLE DIE FORMING......Page 118 PART III DIE DESIGN......Page 120 8.1 DIE CLASSIFICATIONS......Page 122 8.2 BASIC DIE COMPONENTS......Page 124 9.1 INTRODUCTION......Page 128 9.2 DIE BLOCKS......Page 129 9.3 PUNCHES......Page 135 9.4 STRIPPER PLATES......Page 139 9.5 DIE COMPONENTS FOR GUIDING AND STOPPING......Page 143 9.6 CENTER OF DIE PRESSURE......Page 148 10.2 SIMPLE DIE DESIGNS......Page 154 10.3 DIES OF COMPLEX DESIGN......Page 158 11.2 DRAW RINGS......Page 166 11.3 CLEARANCES AND TOLERANCES......Page 170 11.5 SINGLE-OPERATION DIES......Page 177 11.4 BLANK HOLDER......Page 173 11.7 PROGRESSIVE DIES......Page 179 11.8 DRAWING DIES FOR PIECES OF SPHERICAL AND PARABOLIC SHAPE......Page 181 11.9 IRONING DIES......Page 183 12.1 NOSING DIES......Page 186 12.2 EXPANDING AND BULGING DIES......Page 189 12.3 FLANGING DIES......Page 191 13.2 CARBON AND ALLOY STEELS......Page 194 13.3 TOOL AND DIE STEELS......Page 198 13.4 NONFERROUS METALS......Page 201 13.5 NON-METALLIC MATERIALS......Page 202 Appendix1 BLANK DIAMETER OF DMWN SHELLS......Page 204 Appendix 2METRIC SYSTEM TOLERANCESON LINEAR DIMENSIONS......Page 208 Appendix 3MISCELLANEOUS INFORMATION......Page 218 GLOSSARY......Page 228 BIBLIOGRAPHY......Page 234 INDEX......Page 236 |
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