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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...
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Published: 01 August 2012
Fig. 2.6 Hemming: (a) flattened hem; (b) open hem; (c) teardrop hem; (d) radius flat hem; (e) modified flat hem; (f) rope hem More
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Published: 01 August 2012
Fig. 2.39 Three stages of the hemming operation More
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Published: 01 August 2012
Fig. 2.41 Illustration of the final hemming operation More
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Published: 01 August 2012
Fig. 2.42 Some important geometric configurations in hemming. (a) Straight-flat. (b) Straight-curved. (c) Convex-flat. (d) Concave-flat More
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Published: 01 August 2012
Fig. 2.43 The most common hemming defects. (a) Creep/grow. (b) Recoil. (c) Warp. (d) Wind. (e) Hem-out. (f) Wrinkling and splitting. Source: Ref 2.30 More
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Published: 01 August 2012
Fig. 2.38 Most common types of hems More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400233
EISBN: 978-1-62708-316-4
... the heating and cooling of a metal, commonly used to induce softening. The term refers to treatments in- tended to alter mechanical or physical prop- erties or to produce a definite microstructure. anvil steel The lower steels or adapter against which the hem steel finishes or flattens the hem. arbor press...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Image
Published: 01 November 2013
Fig. 21 Dies and punches most commonly used in press-brake forming. (a) 90° V-bending. (b) Offset bending. (c) Radiused 90° bending. (d) Acute-angle bending. (e) Flattening, for three types of hems. (f) Combination bending and flattening. (g) Gooseneck punch for multiple bends. (h) Special 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
... forming processes Bending and straight flanging processes ( Section 2.4 ) Brake bending Hemming Roll Forming Roll Bending Tube Bending Flanging Hole Flanging Joggling Blank Preparation ( Section 2.5 ) Sheet leveling and straightening Shearing, blanking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130285
EISBN: 978-1-62708-284-6
... Embrittlement Hydrogen embrittlement (HEM) occurs when high-strength steels absorb an excessive amount of hydrogen in a variety of environments. Hydrogen can be introduced into the material in service or during materials processing, for example, in the presence of hydrocarbons or hydrogen sulfide or during...
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
... and fracture limits for three blank geometries. Source: Ref 10 Press Bending Punch presses are used for bending, flanging, and hemming low-carbon steel when production quantities are large, when close tolerances must be met, or when the parts are relatively small. Press brakes are ordinarily used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500227
EISBN: 978-1-62708-317-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080201
EISBN: 978-1-62708-304-1
... ). The environment in terms of p S 2 and p O 2 can be presented in a stability diagram of a metal-sulfur-oxygen system. Perkins ( Ref 14 ) and Hemmings and Perkins ( Ref 15 ) discuss briefly how stability diagrams can be used to aid understanding corrosion behavior. Various metal-sulfur-oxygen stability...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230441
EISBN: 978-1-62708-298-3
..., such as bolts, screws, rivets, dowels, pins, nails, keys, retaining rings, eyelets and grommets, stapling, stitching, snap fits, and clips; and integral design features, such as flanges, interlocking members (tongue-and-groove, teeth, and tabs), roughened gripping surfaces, and deformed features (crimps, hems...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.9781627083423
EISBN: 978-1-62708-342-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080097
EISBN: 978-1-62708-304-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1