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Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005161
EISBN: 978-1-62708-186-3
... Abstract Bending is a common metalworking operation to create localized deformation in sheets (or blanks), plates, sections, tubes, and wires. This article emphasizes on the bending of sheet metal along with some coverage on flanging. It informs that variations in the bending stresses cause...
Book Chapter

By Chung-Yeh Sa
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005151
EISBN: 978-1-62708-186-3
... Abstract This article focuses on the technology breakthroughs that make forming simulation a routine work throughout the industry. It discusses many forms of the computer-aided engineering (CAE) methodology. The article describes several failure criteria to predict the failure of sheet metal...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005112
EISBN: 978-1-62708-186-3
... Abstract This article describes the various types of press construction and the factors that influence the selection of mechanically or hydraulically powered machines for producing parts from sheet metal. Presses are broadly classified, according to the type of frame used in their construction...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005154
EISBN: 978-1-62708-186-3
... Abstract Rapid prototyping (RP) techniques in the sheet-metal forming industry is developed to quickly test the form and fit of new sheet-metal products on a prototype basis as well as for production runs characterized by small lot sizes. This article provides an overview of some...
Book Chapter

By Deepak Ravindran, Yu-Chih Su
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009152
EISBN: 978-1-62708-186-3
... sensors, photoelectric sensors, and ultrasonic sensors. The article provides information on the sensors used for detecting tool breakages and flaws in parts, the measurement of material flow during sheet metal forming, and lubrication. It also describes the operating stages of machine vision systems used...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005159
EISBN: 978-1-62708-186-3
... Abstract This article provides an overview of the interfacial interactions with a lubricant film between a die and a metal, lubricant mechanisms, chemistry, qualification testing, application methods, and property test methods. It focuses on sheet metal-forming operations, although...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005179
EISBN: 978-1-62708-186-3
... Abstract This article introduces process factors that influence die wear and lubrication for metal forming operations such as bending, spinning, stretching, deep drawing, and ironing. It discusses the effects of part shape, sheet thickness, tolerance requirements, sheet metal, and lubrication...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005150
EISBN: 978-1-62708-186-3
... on to the construction functions. computer-aided design computer-aided manufacturing draw forming formability forming limit curve sheet steels SINCE THE EARLY 1980s, ever-evolving computer technology and processing speed have brought about revolutionary changes to the sheet metal forming industry...
Book Chapter

Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005540
EISBN: 978-1-62708-197-9
... of simple forming operations. It focuses on metal stamping simulation based on the finite-element methods or model (FEM) with emphasis on software tools using the three-dimensional FEM technology. The article discusses two aspects of particular importance in finite-element analysis of sheet forming...
Image
Published: 01 January 2006
Fig. 7 Effect of a binder on sheet metal behavior. As the sheet metal blank is drawn into a part shape, the material that forms the part shape is generally stretched outward, and the material within the binder slides inward, as indicated by the arrows. The converging pattern of the inwardly More
Image
Published: 01 November 2010
Fig. 12 Effect of a binder on sheet metal behavior. As the sheet metal blank is drawn into a part shape, the material that forms the part shape is generally stretched outward, and the material within the binder slides inward, as indicated by the arrows. The converging pattern of the inwardly More
Book Chapter

By Michael Miles
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005149
EISBN: 978-1-62708-186-3
... Abstract Sheet metal forming operations are so diverse in type, extent, and rate that no single test provides an accurate indication of the formability of a material in all situations. This article presents an overview of types of forming, formability problems, and principal methods...
Image
Published: 01 January 2006
Fig. 10 Sheet thinning in incremental sheet metal forming. Source: Ref 3 More
Image
Published: 31 October 2011
Fig. 9 Cross section of a gas metal arc braze weld on sheet metal. Courtesy of Edison Welding Institute More
Image
Published: 30 September 2015
Fig. 11 Welding fabrication of a HIP capsule from sheet metal designed to produce a hollow cylinder such as that shown in Fig. 12 . A tube used to fill the container with powder and to evacuate air from the container extends perpendicular from the end of the capsule in the lower left More
Image
Published: 01 January 2006
Fig. 9 Sheet-metal forming system containing a flexible binder with individually controlled hydraulic cylinders. Source: Ref 31 More
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Published: 01 January 2006
Fig. 5 An array of holes punched in sheet metal to form a filter or grate. Reducing the number of holes and increasing their size reduces tool wear and punching loads. More
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Published: 01 January 2006
Fig. 13 Preferred orientation of bends in sheet metal to avoid cracking due to inclusion alignment in the sheet. Source: Ref 1 More
Image
Published: 01 January 2006
Fig. 14 Beads and ribs. (a) Cross section of a bead or rib formed in sheet metal for strengthening. (b) Concentric ribs formed around a hole to strengthen and stiffen the part. R , radius; T , stock thickness. Source: Ref 1 More
Image
Published: 01 January 2006
Fig. 2 Progress of a punch through sheet metal, showing plastic deformation and fracture. A, B, and C show ductile metal with ample clearance. D, E, and F show similar metal with insufficient clearance. G and H show hard metal with sufficient clearance. I shows the effect of dull cutting edges. More