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upset forging

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Published: 01 September 2008
Fig. 16 Typical state of strain in hot upset forging of steel showing fracture criteria in MSC superforge simulation More
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Published: 01 February 2005
Fig. 2.12 Upset forging More
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Published: 01 February 2005
Fig. 3.5 Metal flow in certain forming processes. (a) Non-steady-state upset forging. (b) Steady-state extrusion. [ Lange, 1972 ] More
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Published: 01 February 2005
Fig. 3.7 Homogeneous deformation in frictionless upset forging More
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Published: 01 February 2005
Fig. 6.6 Sketch of cross section through upset forging setup, showing location of fast response thermocouple in bottom forging die More
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Published: 01 February 2005
Fig. 22.25 Upset forging process [ Luig, 1993 ] More
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Published: 01 February 2005
Fig. 22.26 Typical wear profile for upset forging [ Doege et al., 1996 ] More
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Published: 01 July 2009
Fig. 20.14 Backward extruding and upset forging of a beryllium part using a deformable steel ring to support the billet during forging. Source: ASM 1970 More
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Published: 01 September 2008
Fig. 13 Steel upset forged between flat dies made on a screw press More
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Published: 01 September 2008
Fig. 15 MSC superforge simulation. Disc upset forged between flat dies, showing (a) start position and (b) end position after 74.93 mm (2.95 in.) stroke More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
... Abstract This article presents six case studies of failures with steel forgings. The case studies covered are crankshaft underfill; tube bending; spade bit; trim tear; upset forging; and avoidance of flow through, lap, and crack. The case studies illustrate difficulties encountered in either...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040017
EISBN: 978-1-62708-300-3
... by the distribution of velocity components and strain rates. It describes the conditions associated with homogeneous deformation in a frictionless upset forging and explains how they can also be obtained using engineering and true stress-strain curves. flow stress plane stress plastic deformation strain rate...
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Published: 01 January 2015
Fig. 10.8 Fan blade forging sequence. From top to bottom: first upset, second upset, third upset, blocker, and finish More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040051
EISBN: 978-1-62708-300-3
... Abstract This chapter covers the fundamentals of metal flow and the tools and techniques used to predict and control it. It begins by illustrating the local state of stress in a metal cylinder during upset forging and showing how stress components can be expressed in matrix form...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040007
EISBN: 978-1-62708-300-3
... processes, including closed-die forging, extrusion, electrical upsetting, radial forging, hobbing, isothermal forging, open-die forging, orbital forging, and coining. forging processes 2.1 Introduction In forging, an initially simple part—a billet, for example—is plastically deformed between...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040059
EISBN: 978-1-62708-300-3
... be expected, the rate of temperature drop further increases after the sample is removed from the die. Fig. 6.6 Sketch of cross section through upset forging setup, showing location of fast response thermocouple in bottom forging die The results shown in Fig. 6.7 indicate that, during forging...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... geometry changes on die wear can be rapidly investigated, again avoiding the high cost of experimental studies. 22.8.1 High-Speed Hot Upset Forging—A Case Study In hot upset forging, the temperature distributions at the top and bottom surfaces are not symmetric. Due to the free resting...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
..., including open-die and closed-die forging, hot upset and roll forging, high-energy-rate forging, ring rolling, rotary swaging, radial and orbital forging, isothermal and hot-die forging, precision forging, and cold forging. The chapter also includes information on cold and hot extrusion and drawing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
...-pitman mechanism. The operational sequence of a horizontal forging machine is illustrated in Fig. 12.15 for the upsetting process: (a) the hot end of the bar is placed into the stationary gripper die against a stop, (b) the moving gripper die closes and the stop retracts, (c) the heading tool begins...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040211
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the process of cold forging and its effect on various materials. It describes billet preparation and lubrication procedures, cold upsetting techniques, and the use of slab analysis for estimating cold forging loads. It likewise describes extrusion processes...