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forging hydraulic press

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001724
EISBN: 978-1-62708-234-1
... residual stresses than forging under a hydraulic press while on a mandrel. Rolling is a preferred method — always provided the rolls are capable of exerting a load sufficient for the cold work to penetrate through the full thickness of the end bell, since otherwise the inner and outer surfaces would...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... of wrought products. The article addresses the types of flaws or defects that can be introduced during the steel forging process itself, including defects originating in the ingot-casting process. Defects found in nonferrous forgings—titanium, aluminum, and copper and copper alloys—also are covered...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001451
EISBN: 978-1-62708-224-2
... times the specimen thickness at the centre, the wearing surface being on the tension side. The load was applied by means of a hydraulic press. The first strip was tested in the “ as received ” condition and it snapped without any significant prior deformation as soon as an appreciable load was applied...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... The bearings were pressed off both journals using a hydraulic bearing puller. The axle identification stampings indicated that the axle was manufactured in August 1992. In addition, the markings indicated that the axle had been normalized and tempered in accordance with AAR grade F axles. The fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
... to avoid situations where corrosion or SCC could occur. This will be discussed in the next case in more detail. Axle, Crank Lever of Fighter Aircraft Main Landing Gear A main landing gear axle of a fighter aircraft failed catastrophically upon landing when the hub locating the axle in the hydraulic...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
.... The article provides a discussion on the imperfections found in steel forgings. The problems encountered in sheet metal forming are also discussed. The article concludes with information on the causes of failure in cold formed parts. anisotropy blisters centerline shrinkage chemical segregation cold...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
..., mechanical engineering, hydraulics, electrical engineering, quality control, operations, maintenance, human factors, and others. The analysis team on a complex failure will ideally represent a spectrum of expertise to ensure a very broad perspective. The best analysis team leader must be a good...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... Cold press … 40 … + to − 11.0 1.5 High Low (a) SMC, sheet molding compound; HMC, high-strength sheet molding compound; BMC, bulk molding compound; ZMC, Z molding compound Process Effects on Molecular Orientation Polymer molecules in the melt form flow in a non-Newtonian manner...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
... engineers should choose machine tools built with a sturdy, heavy frame and a solid bed to reduce workpiece rejections and failures. Neglected maintenance of spindles, lead screws, transmission gears, worm drives, hydraulic slides, and other motion drive accessories will also increase accelerated cutting...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... rolled, extruded, or forged products are stressed in the short-transverse direction. In wrought austenitic stainless steels, crack paths are usually transgranular if proper heat treatment has been employed. However, if thermal processing has produced sensitization because of carbide precipitation...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... and industries that have experienced SCC failures include (this list is not exhaustive): Aerospace: Aluminum alloys in structural aircraft components such as landing gear and wing components, stainless steel tubing used as part of the hydraulic or fuel systems, high-strength low-alloy steel...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... forgings that have not been worked sufficiently to close it up. Both macroporosity and microporosity are caused by the combined action of metal shrinkage and gas evolution during solidification. It has been shown ( Ref 2 , 3 ) that nucleation of pores is difficult in the absence of some sort...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... determined by regression analysis. This equation is general and applies to all three regions of crack growth. Example 1: Developing Inspection Criteria for Fan Shafts Industrial fan shafts are typically forged from medium-carbon steels. Primary fatigue stresses are generated from gravity bending...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... clearance > group normal For temperature applications where thermal dilatations or differential thermal dilatation may occur, or to be used with strong interference press fits Group 4 Radial clearance > group 3 Group 5 Radial clearance > group 4 Note that the nominal tolerance...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... rates of loading. Strain-rate sensitivity data have been compiled for many materials and is important in analysis of manufacturing operations involving deformation (see, for example, Forming and Forging , Volume 14, ASM Handbook ). The amount of distortion that can occur at high rates of loading...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... rates of loading. Strain-rate sensitivity data have been compiled for many materials and are important in analysis of manufacturing operations involving deformation (see, for example, Forming and Forging , Volume 14 of the ASM Handbook , 1988). The amount of distortion that can occur at high rates...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... growth. Example 1: Developing Inspection Criteria for Fan Shafts. Industrial fan shafts are typically forged from medium-carbon steels. Primary fatigue stresses are generated from gravity bending and are fully reversed during each revolution at rates of 900 to 1800 revolutions per minute or 15...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... creep occurs. A radial-type load can be imposed on a bearing by the manner in which the bearing is mounted. Too tight a press fit of the outer ring in its housing or of the inner ring on its shaft will result in a more uniform ball path around the circumference of each raceway than would be seen...