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stretch-drawing

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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...
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 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310173
EISBN: 978-1-62708-286-0
... processes involved in sheet-forming techniques, namely stretch forming and deep drawing. In addition, it provides information on some of the factors pertinent to cold-heading and hot forming of stainless long products. deformation strain hardening anisotropy sheet forming stainless steel long...
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 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... and production delays. Springback is the change in the shape of the part from that of the die after forming and unloading. It is, therefore, the deviation of the final product from the desired geometry. Springback occurs in drawing operations because they contain stretching and drawing components...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... , p 599 – 604 ASM , 1988b . Stretch Forming , Forming and Forging , Vol 14 , ASM Handbook , ASM International , p 591 – 598 ASM , 1988c . Three-Roll Forming , Forming and Forging , Vol 14 , ASM Handbook , ASM International , p 616 – 623 ASM , 1988d . Wire, Rod...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... and this leads to higher loads on dies and tools, resulting in die wear and tool failure. In general, AHSS parts are designed with minimum draw depth and reduced stretch to avoid splits. Also, gentle shape transitions are used to avoid wrinkles and large radii are specified to facilitate metal flow...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730139
EISBN: 978-1-62708-283-9
... be formed into complex shapes by stamping. In stampings the sheets are clamped at their edges and stretched to a final shape by a shaped punch ( Fig. 13.3 ). Draw beads control how much material from the flange is drawn into the die. Wrinkling of the finished part results if too much material is allowed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400033
EISBN: 978-1-62708-316-4
.... The in-plane compression test (for sheet materials) is not standardized. In sheet metal forming, the initial blank is a flat sheet and undergoes bending, stretching, or a combination of bending and stretching or drawing to form a complex geometry. The mechanical properties (flow stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... forming, a piece of sheet metal is plastically deformed by tensile loads into a three-dimensional shape, often 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700071
EISBN: 978-1-62708-279-2
... as 1800 MPa (261 ksi) have been identified for future requirements of anti-intrusion components. The rate of increase in strength with plastic strain is defined as the strain-hardening exponent, n . High work-hardening exponent n gives metals the ability to stretch by distributing the strains more...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400001
EISBN: 978-1-62708-316-4
..., deep drawing, and stretch forming. Among the group of manufacturing processes discussed earlier, metalforming represents a highly significant group of processes for producing industrial and military components and consumer goods ( Ref 1.3 ). A common way of classifying metal forming processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500273
EISBN: 978-1-62708-317-1
..., the machines and equipment used, the process limits, advanced forming strategies, process simulation, and recent developments in the field of hybrid ISF, that is, process combinations of ISF with stretch forming and laser heating. Fig. 13.1 Various parts manufactured by incremental sheet forming. t...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550033
EISBN: 978-1-62708-307-2
...-corrosion resistance. A summary of these stress-relieving tempers is shown in Table 2.6 . When stress relieving is used, it is indicated by the number “5” following the last digit for precipitation-hardening tempers (e.g., T x 5 x ). The number designation “51” indicates stress relief by stretching, while...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500157
EISBN: 978-1-62708-317-1
... stamping, resulting in a reduction in forming stages during forming of complex parts. Fig. 8.7 Combination of sheet hydroforming with punch (SHF-P) with stretching and deep drawing to produce complex parts in forming operation. (a) Prestretching followed by SHF-P. (b) Deep drawing followed by SHF-P...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... exceeded the tensile strength of the material in some region of the part. In this situation, the material may exhibit some stretching or necking, depending on the ductility of the material or the geometric configuration of the parts and stress distributions. If the tensile fracture is ductile, it typically...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260149
EISBN: 978-1-62708-336-2
... to minimize distortion. After furnace solution heat treatment, the extrusions need to be stretched to both straighten and release internal quenching stresses. For stress relief, stretching between 1.5 and 3% is typically employed. Aging, the final stage of the heat treatment process, is used to achieve...