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cold forging

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040237
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the use of finite-element methods for modeling cold forging processes. The discussion covers process modeling inputs, such as geometric parameters, material properties, and interface conditions, and includes several application examples. cold forging...
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...
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Published: 01 September 2008
Fig. 10 Strain-limiting criteria for cold forging low-alloy steels More
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Published: 01 February 2005
Fig. 17.1 Schematic illustration of forming sequences in cold forging of a gear blank. (a) Sheared blank. (b) Simultaneous forward rod and backward extrusion. (c) Forward extrusion. (d) Backward cup extrusion. (e) Simultaneous upsetting of flange and coining of shoulder [ Sagemuller, 1968 ] More
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Published: 01 February 2005
Fig. 17.2 Various types of cold forging (extrusion) techniques (P, punch; C, container; W, workpiece; E, ejector) [ Feldmann, 1977 ] More
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Published: 01 February 2005
Fig. 17.4 Cold forging as a system More
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Published: 01 February 2005
Fig. 17.14 Tooling setup for cold forging. (a) Can extrusion. (b) Upsetting. (c) Forward extrusion [ ICFG, 1992 ] More
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Published: 01 February 2005
Fig. 17.23 Parameters affecting tool life in cold forging [ Yamanaka, 2002 ] More
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Published: 01 February 2005
Fig. 17.24 Typical defects in cold forging tools [ Yamanaka et al., 2002 ] More
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Published: 01 February 2005
Fig. 18.8 Cold forging of an automotive part (a, b, c, and d are the stages of forming). Courtesy of DEFORM More
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Published: 01 February 2005
Fig. 18.11 Possible areas of underfill in cold forging of a cross-groove inner race [ Vazquez et al., 1996 ] More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... Abstract This chapter addresses the issue of die failures in hot and cold forging operations. It describes failure classifications, fatigue fracture and wear mechanisms, analytical wear models, and the various factors that limit die life. It also includes several case studies in which finite...
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.t51040115
EISBN: 978-1-62708-300-3
... and cold forging, cold extrusion trimming, and coining. Developments in the forging industry are greatly influenced by the worldwide requirements for manufacturing ever-larger and more complex components for more difficult-to-forge materials. The present and future needs of the aerospace industry...
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Published: 01 February 2005
Fig. 17.3 Examples of cold forged tubular or cup-shaped parts [ Feldmann, 1977 ] More
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
... Abstract This chapter discusses bulk deformation processes and how they are used to reshape metals and refine solidification structures. It begins by describing the differences between hot and cold working along with their respective advantages. It then discusses various forging methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
... cold forging or hot forging in terms of preforge factors and/or discontinuities generated by the forging process. Supporting topics that are discussed in the case studies include validity checks for buster and blocker design, lubrication and wear, mechanical surface phenomenon, forging process design...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040277
EISBN: 978-1-62708-300-3
... materials and the basic requirements for cold forging dies. The chapter also covers die manufacturing processes, such as high-speed and hard machining, electrodischarge machining, and hobbing, and the use of surface treatments. die materials die manufacturing 21.1 Introduction The design...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
.... The chapter also describes several test methods for evaluating lubricants and explains how to interpret associated test data. cold forging friction hot forging lubrication 7.1 Introduction In forging, the flow of metal is caused by the pressure transmitted from the dies to the deforming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
... advantages of cold forging regarding material strength and finish, make near-net forging very attractive to the automotive industry. Examples of typical near-net shape parts are given in Fig. 23.1 . These parts are characterized by complex geometries and very close tolerances, in the range of 0.0004...