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axisymmetric upsetting

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040091
EISBN: 978-1-62708-300-3
... methods, covering basic principles, implementation, and advantages and disadvantages in various applications. axisymmetric upsetting finite element method forging plane-strain slab method upperbound method 9.1 Introduction 9.2 Slab Method of Analysis 9.3 Upper Bound Method and Its...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040059
EISBN: 978-1-62708-300-3
... Y.T. , Shen G. , “ A Study of the Influence of Press Speed, Contact Time and Heat Transfer in Nonisothermal Upset Forging of Ti and Al Rings, ” 16th North America Manufacturing Research Conference Proceedings , 1988 , p 91 – 98 . [Im et al., 1988b] Im Y.T. , Vardan O. , Shen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040007
EISBN: 978-1-62708-300-3
... forging 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 2.2 Forging Operation as a System 2.3 Types of Forging Processes References...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500073
EISBN: 978-1-62708-317-1
... Sequence Design for Deep Drawing of Cups Using FEA , J. Manuf. Sci. Eng. (Trans. ASME) , Vol 128 , Feb 2006 , p 366 10.1115/1.2039942 4.7 Cao J. et al. , Analysis of an Axisymmetric Deep Drawn Part Forming Using Reduced Forming Steps , J. Mater. Process. Technol. , Vol 117 , 2001...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040237
EISBN: 978-1-62708-300-3
...]</xref> 18.4.7 Advanced Orbital Forming Simulations <xref ref-type="bibr" rid="t51040237-ref4">[Cho et al., 2003]</xref> Depending on its geometrical complexity, a forging process can be simulated either as a two-dimensional, axisymmetric or plane-strain, or a three-dimensional problem. In general, in order...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040193
EISBN: 978-1-62708-300-3
..., a forging process can be simulated either as a two-dimensional, axisymmetric or plane-strain, or a three-dimensional problem. If the process involves multiple stations, the die geometry of each station needs to be provided. A typical starting workpiece geometry for a closed-die forging is a cylinder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
... of circular cross section (d) is gripped between the tools (b) of the electrode (c) and is pushed by the hydraulically or pneumatically operated upsetting head against the anvil plate (f) on which the other electrode (e) is secured. On switching on the current, the rod section contained between the electrodes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040107
EISBN: 978-1-62708-300-3
... with flash, forward, or backward extrusion, upset forging, bending, etc.) requires a certain variation of the forming load over the slide displacement (or stroke). This fact is illustrated qualitatively in Fig. 10.2 , which shows load versus displacement curves characteristic of various forming operations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500289
EISBN: 978-1-62708-317-1
.... There are many clinching geometries available in practice. However, only axisymmetric joints are discussed, because they are most commonly used due to their ability to bear nominally equal loading in all directions with high maximum shearing loads ( Ref 14.6 ). TOX Pressotechnik GmbH...
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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
.../asm.hb.v14a.a0003972 6.4 “ Steel Die Forgings. Tolerances on Dimensions. Upset Forgings Made on Horizontal Forging Machines ,” BS EN 10243-2:1999, British Standards Institution , December 1999 6.5 Kalpakjian S. , Manufacturing Processes for Engineering Materials , 2nd ed. , Addison-Wesley...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040159
EISBN: 978-1-62708-300-3
... , No. 2 , Jan. 1980 , p 60 . 10.1007/BF02833610 [Teterin et al., 1968] Teterin G.P. , and Tarnovskij I.J. , “ Calculation of Plastic Dimensions in Forging Axisymmetric Parts in Hammers, ” Kuznechno-Stampovochnoe Proizvodstvo , Vol 5 , 1968 , p 6 (in Russian). [Vasquez et al...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980059
EISBN: 978-1-62708-342-3
...; l 0 , upset billet length; D 0 , container diam; τ S , shear stress; s , stem displacement; l R , discard length; ϑ B , initial billet temperature; ϑ A , container temperature; u St , stem speed Fig. 3.4 Billet-on-billet direct hot extrusion without lubrication and without a shell...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
... or rotary forging is a very unique process with a complicated die movement that can be used to reduce axial load requirements for axisymmetric or near-axisymmetric forging operations. This process is not new and has been used for small- or medium-batch production of various round parts. The principle...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040025
EISBN: 978-1-62708-300-3
.../1.3438593 [Lee et al., 1972] Lee C.H. , Altan T. , “ Influence of Flow Stress and Friction upon Metal Flow in Upset Forging of Rings and Cylinders ,” Trans. ASME, J. Eng. Ind. , Aug 1972 , p 775 . 10.1115/1.3428250 [Thomsen et al., 1965] Thomsen E.G. , Yang C.T...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260029
EISBN: 978-1-62708-336-2
... G.D. and Altan T. , Prediction of Metal Flow and Temperatures in Axisymmetric Deformation Processes , Proc. of the 21st Sagamore Army Materials Research Conference , 1974 4. Lahoti G.D. and Altan T. , Prediction of Temperature Distribution in Tube Extrusion Using...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... temperature of approximately 100 °C. It is often sufficient to heat the front third of the billet to this temperature so that, on one hand, the billet upsets from the front to the back to prevent air entrapment and, on the other hand, the optimal welding conditions for the resultant transverse weld...