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roll bending

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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
... bending 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480243
EISBN: 978-1-62708-318-8
...½ 760 1400 L … 2½ 1 T … 2½ 1 816 1500 L … 1½ 1 T … 2 1 (a) L = bend axis perpendicular to rolling direction; T = bend axis parallel to rolling direction. (b) This alloy is formed at room temperature. Brake forming temperatures for some titanium alloys Table...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... mainly by bending operations such as compression bending, stretch bending, draw bending, and roll bending. Sheet forming includes various bending, stretching, and drawing operations—plus some special methods to develop surfaces with deep recesses (spinning, deep drawing) or shallow recesses (dimpling...
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...
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
..., sheet 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500211
EISBN: 978-1-62708-317-1
... be achieved. It explains how to determine strip width and bending sequences and identifies the cause of common roll-forming defects. It also discusses the selection of roll materials and explains how software helps simplify the design of roll forming lines. forming equipment roll forming IN ITS...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250311
EISBN: 978-1-62708-345-4
..., the chapter describes the test procedures for surface durability (pitting), root strength (bending), and scoring (or scuffing) testing. durability fatigue test gear failure gears mechanical testing residual stress rolling contact fatigue test single-tooth fatigue test single-tooth overload test...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310155
EISBN: 978-1-62708-286-0
... on the hot rolling mill stands also cause greater roll deflection and compression, which if not countered by roll bending or roll shifting schemes can lead to significant variation in thickness across the sheet, as much as 0.25 mm (0.01 in.). This variation as a percentage of thickness is not reduced by cold...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550193
EISBN: 978-1-62708-307-2
.... Minimum bend limits for the press-brake method and the slower-press method are compared in Fig. 4.9 for bending of cross-rolled powder sheet. In most forming applications, both the die and the workpiece must be preheated. Dies are specially constructed to permit heating; heat may be supplied by either...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
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
... small. Press brakes are ordinarily used for small lots, uncritical work, and long parts. Temper of the metal affects bendability. Figure 18 shows the types of bends for which the standard AISI tempers of cold rolled carbon steel strip are suited. Stock of No. 1 temper is not recommended...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250257
EISBN: 978-1-62708-345-4
... failure modes proposed by Alban in <xref ref-type="bibr" rid="t51250257-ref1">Ref 1</xref> Table 2 Gear failure modes proposed by Alban in Ref 1 Failure mode Type of failure Fatigue Tooth bending, surface contact (pitting or spalling), rolling contact, thermal fatigue Impact Tooth...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630023
EISBN: 978-1-62708-270-9
... Stress Distributions for Simple Shapes Effect of Service Conditions on Applied Stresses Summary Tension Torsion Compression Bending Interference Fit (Press or Shrink) Convex Surfaces in Contact Direct (Transverse) Shear Thin-Wall Pressure Vessels Subsurface-Origin...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250039
EISBN: 978-1-62708-345-4
... on “Bending Fatigue Strength of Carburized Steels” deals with this subject in detail. Resistance to surface-contact (pitting) fatigue. This subject is addressed in Chapter 2, “Gear Tribology and Lubrication.” Resistance to rolling contact fatigue Resistance to wear. This subject is briefly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... in the thickness of the metal sheet as a result of the forming operation. 20.4.1 Deep Drawing 20.4.2 Roll Bending (Three-Roll Forming) 20.4.3 Stretch or Creep Forming Forging involves shaping a material by impact using forging hammers or by pressure in forging machines (presses). It can be done...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250001
EISBN: 978-1-62708-345-4
... Aerospace gears Gears in the oil and gas industry Gears for large mills that make cement, grind iron ore, make rubber, or roll steel Gears range in size from recently developed micrometer-sized gears for electric motors no bigger than a grain of sand to gears as large as 30 m (100 ft...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770077
EISBN: 978-1-62708-337-9
... In bending fatigue situations, any benefits of retained austenite appear because of the austenite-martensite reaction. However, in rolling contact situations, the cold working property of the material is more likely to be important, that is, its ability to plastically deform under rolling contact pressures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250293
EISBN: 978-1-62708-345-4
... contact (pitting or spalling), rolling contact, thermal fatigue Impact Tooth bending, tooth shear, tooth chipping, case crushing, torsional shear Wear Abrasive, adhesive Stress rupture Internal, external In an analysis of more than 1500 studies, the three most common failure modes, which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400033
EISBN: 978-1-62708-316-4
... impact on the ability of the metal to be formed into the desired shape. A prevalent cause for planar anisotropy in sheet metals is the rolling direction ( Ref 4.7 ). During processing of sheet metal, the rolling operation elongates and aligns the grains of the metal’s microstructure in the rolling...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... references should be used in studying the failure of rolling-element parts. Surface-origin pitting of hardened steel surfaces also is destructive of the surface and, in the case of gear teeth, may also lead to bending fatigue fracture of the gear teeth. When sliding is added to the rolling action...