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hole flanging

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Published: 01 August 2012
Fig. 2.11 Hole flanging. Source: Ref 2.4 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.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 August 2012
DOI: 10.31399/asm.tb.smff.t53400233
EISBN: 978-1-62708-316-4
..., commonly formed for rein- forcement. (2) Stationary platen of a press to which the lower die assembly is attached. (3) Stationary part of the shear frame that sup- ports the material being sheared and the fixed blade. beaded flange A flange reinforced by a low ridge, used mostly around a hole. bellmouth...
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 August 2013
Fig. 13.4 Schematic illustration of forming a cup from sheet metal. (a) A descending punch forces the sheet through a circular hole in the die. A hold-down plate prevents buckling. (b) The major deformation is the circumferential contraction of the flange so that it can pass over the die lip More
Image
Published: 01 August 2012
Fig. 2.37 Schematic of a hole expansion test with a conical punch used to evaluate how far a sheet sample can be flanged without fracture. Source: Ref 2.25 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270126
EISBN: 978-1-62708-301-0
... and showed large blow holes formed during subsequent solidification of the molten metal. One of the fastening holes at the flange had burned and melted and was found elongated. Fig. CH26.1 Damaged fuel nozzle Testing Procedure and Results Metallography and Hardness To determine the extent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270084
EISBN: 978-1-62708-301-0
... Abstract An aircraft tire burst while inflating, causing one of the flanges on the wheel hub to fracture. This chapter provides a summary of the investigation along with key findings. It includes images of the damaged hub and describes how various parts failed as the pressure in the tire...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930141
EISBN: 978-1-62708-359-1
... ( 1 2 in. < R ≤ 1 in.) Axial Corner of hole 30 Longitudinal attachments to plate Axial Plate at end of weld 30A Longitudinal attachments to plate Bending Plate at end of weld 31 Attachments of plate to edge of flange Bending Flange at end of weld 31A Lateral...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700071
EISBN: 978-1-62708-279-2
... Hole Expansion Stretch flanging or edge stretchability is a common feature in automotive stampings because it corresponds to cut-outs for windows and other openings. In stretch flanging, a tensile strain is imposed on the sheared edge causing splitting of the flange ( Fig. 4.19 ). The sheared edge...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000185
EISBN: 978-1-62708-312-6
.... With the improvement of corrosion-resistance properties, and three major automotive uses—antilock brake system sensor rings, exhaust system flanges, and oxygen sensor bosses—the market distribution of sintered stainless steels has shifted to an automotive preponderance, as is typical of the powder metallurgy (PM...
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
.... Because of its resistance to galling, it is less desirable for forming carbon and stainless steels than for aluminum and copper alloys. Cast steel is also useful for restrike, flanging, and other types of dies that are less likely to gall or pick up metal from the sheet. Tool Steels Tool steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... stretch flanging of AHSS, edge cracking may occur. The tendency of a steel to edge crack is usually determined by using hole flanging experiments, as seen in Fig. 6.18 . In general, the hole expansion ratio ( D / d , where d is the initial hold diameter, and D is the hole diameter after the hole...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
... and components Table 1 Failure analysis of steel forgings and components Case study Defect Solution Crankshaft underfill Unable to fill crankshaft flanges with existing press capacity Introduce creep stages for last increment of displacements Tube bending Unable to control exterior wall...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... sources of porosity. Inspection revealed that the mating flanges were covered with thick mill scale and were neither ground clean nor pre-heated prior to welding. The welding electrode and flux combination was F7A2-EM12K. Normally, this flux/wire combination is designed to be tolerant of light rust...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200144
EISBN: 978-1-62708-354-6
... lb, Figure 10-17 . Prior to redesign the end flanges were machined on both front and back faces and 8 holes were drilled per end. Pattern tooling was redesigned with four cavities in a 30.5 × 42 6/5.5 no bake mold. Flange cores are assembled to the body core and core assemblies are set in the mold...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290207
EISBN: 978-1-62708-306-5
... system. The chapter then describes important structural fasteners, namely bolts, screws, pins, collar fasteners, rivets, blind fasteners, machine pins, and spring clip fasteners. The following sections describe the process involved in presses, shrink fits, hole generation, and fastener installation...
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
... 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 to flow into the die. It should be emphasized that in stamping processes the sheet is not squeezed between...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350195
EISBN: 978-1-62708-315-7
.... Are there any critical dimensions or tolerances that must be met after processing? The required surface coverage and thickness of any treatment The geometry of the component. Are holes, sharp edges, enclosures, reentrants, and so forth, present? The overall size and weight of the component...