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stretch bending

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Published: 01 October 2011
Fig. 6.20 Principle of stretch bending. One benefit of stretch forming is that it elongates the metal throughout the section. More
Image
Published: 01 August 2012
Fig. 2.25 Schematics of stretch bending tests. (a) Stretch forming test. Source: Ref 2.17 . (b) Stretch bending test. Source: Ref 2.18 . (c) Stretch bend test. Source: Ref 2.19 . (d) Tangential stretch bending More
Image
Published: 01 August 2012
Fig. 4.27 Schematic of the stretch bend test More
Image
Published: 01 August 2012
Fig. 4.28 Height of failure versus r -to- t ratio obtained from the stretch bend test for different steel materials ( Ref 4.28 ) More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
... conditions. It describes the basic principles of air bending, stretch bending, and U- and V-die bending as well as rotary, roll, and wipe die bending, also known as straight flanging. It also discusses the steps involved in contour (stretch or shrink) flanging, hole flanging, and hemming and describes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... with deformation processes such as stretching, bending, flanging, deep drawing, and blanking. It then describes the complex tribology of AHSS forming operations, the role of lubrication, the effect of tool steels and coatings, and the force and energy requirements of various forming presses. It also discusses...
Image
Published: 01 August 2012
Fig. 6.16 Comparison of achievable height/punch stroke of advanced high-strength steels with mild steels in the angular stretch bend test. Source: Ref 6.13 More
Image
Published: 01 August 2012
Fig. 6.17 Comparison of finite-element model (FEM)-predicted punch displacement at fracture with experimental results in stretch bending DP 600 with different punch radii. Source: Ref 6.22 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400033
EISBN: 978-1-62708-316-4
... in Chapter 6 in this volume. Fig. 4.20 Comparison of flow stress obtained from tensile test and bulge test for sheet materials DP600 and A5754-O 4.4 Formability In sheet metal forming, the initial blank is a flat sheet and undergoes bending, stretching, or a combination of bending...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... without a significant change in its thickness or surface characteristics. Examples of sheet forming processes include deep drawing, stretching, and bending. Sheet metal typically is formed into end products with various contoured shapes, ranging from saucepans to car bodies. In addition to the bending...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
... Abstract This chapter describes sheet metal forming operations, including cutting, blanking, piercing, and bending as well as deep drawing, spinning, press-brake and stretch forming, fluid forming, and drop hammer and electromagnetic forming. It also discusses the selection and use of die...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390389
EISBN: 978-1-62708-459-8
... Abstract This chapter covers the mechanics and tribology of sheet metalworking processes, including shearing, bending, spinning, stretching, deep drawing, ironing, and hydroforming. It explains how to determine friction, wear, and lubrication needs based on process forces, temperatures...
Image
Published: 01 October 2012
Fig. 2.18 Typical stretch-formed shapes. (a) Longitudinal stretching. (b) Transverse stretching. (c) Compound bend from extrusion. (d) Long, sweeping bend from extrusion. Source: Ref 2.17 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400005
EISBN: 978-1-62708-316-4
... Abstract This chapter provides a concise, design-oriented summary of more than 30 sheet forming processes within the categories of bending and flanging, stretch forming, deep drawing, blank preparation, and incremental and hybrid forming. Each summary includes a description and diagram...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
... metal forming processes, blanking and piercing, bending, stretch forming, drawing, rubber pad forming, and superplastic forming. hot working cold working bulk deformation rolling forging extrusion sheet metal forming blanking piercing bending stretch forming drawing rubber pad forming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480243
EISBN: 978-1-62708-318-8
..., including brake forming, stretch forming, deep drawing, and spin forming as well as roll forming, drop-hammer forming, tube bulging and bending, and superplastic forming. It also discusses dimpling and joggling and the use of hot sizing to correct springback. forming lubricants titanium alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060101
EISBN: 978-1-62708-355-3
... bending with the yield stress exceeded in the outer layers of the beam, and combined stretching and bending. In an actual part, springback is determined by the complex interaction of the residual internal elastic stresses, subject to the constraints of the part geometry. Elastic Bending below the Yield...
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Published: 01 December 2004
Fig. 5 Springback of a beam in simple bending. (a) Elastic bending. (b) Elastic and plastic bending. (c) Bending and stretching More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... they contain stretching and drawing components. The drawing component is responsible for springback. During bending the outer surface of the bent sheet will be in tension and the inner surface will be in compression. As bending progresses, the neutral axis shifts from the center of the cross section...
Image
Published: 01 August 2012
Fig. 6.15 Examples of DP 600 sheet fractured during (a) bending and (b) bending and stretching More