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ring rolling

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Published: 01 November 2013
Fig. 20 Operational principles of a horizontal ring rolling mill. Source: Ref 10 More
Image
Published: 01 February 2005
Fig. 12.11 Operational principles of a horizontal ring-rolling mill. [ Beseler, 1969 ] More
Image
Published: 01 February 2005
Fig. 12.12 Horizontal ring-rolling mill for producing rings with internal and external profiles. [ Beseler, 1969 ] More
Image
Published: 01 February 2005
Fig. 12.13 Principle of semiautomatic ring-rolling machine for manufacturing of bearing races. [ Beseler, 1969 ] More
Image
Published: 30 September 2023
Figure 8.31: Schematic illustration of the ring rolling process [ 2 ]. Reprinted by permission of Pearson Education, Inc. More
Image
Published: 30 June 2023
Fig. 8.3 Hand forgings and sections of ring-rolled forgings at the Weber Metals plant in Torrance, California. Source: Ref 8.4 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480225
EISBN: 978-1-62708-318-8
... Abstract This chapter discusses the equipment and processes used to convert titanium billet and bar into useful shapes or more refined product forms. These secondary working operations include open-die, closed-die, hot-die and isothermal forging as well as ring rolling and extruding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
... Abstract Prior to forging, it is often necessary to preform billet stock to achieve adequate material distribution. This chapter discusses the equipment used for such operations, including transverse rolling machines, electric upsetters, ring-rolling mills, horizontal presses, and rotary...
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...
Image
Published: 01 August 2018
Fig. 11.39 Longitudinal cross section of a rolled ring of AISI 8630 Mod steel produced by hot forging. (forging reduction 2:1), followed by ring rolling (total approximate deformation during hot working 4:1). Dendritic structure. The regions close to the cylindrical surfaces (left and right More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340165
EISBN: 978-1-62708-427-7
... by the size of the press or mill. Hand forgings and rings can produce a range of final sizes and geometries. The flexibility for forging to orient the workpiece for grain orientation is not possible for two-dimensional (2D) rolling or extrusion: Final machining cuts across the directional grain patterns...
Image
Published: 01 January 2015
Fig. 10.13 Macrostructure of rolled Ti-6Al-4V ring illustrating the predominantly tangential grain flow More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... and polishing this surface and swabbing with cold ammonium persulfate, thus revealing the decarburization at both sides of the lap (if present). The condition can be eliminated with corrections in blocker die design. Ring-Rolled Forgings Discontinuities in forgings produced by ring-rolling can either...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... Abstract The vast majority of beryllium products are manufactured from blocks, forms, or billets of compacted powder that are machined or worked into shape. This chapter describes the metalworking processes used, including rolling, forming, forging, extrusion, drawing, and spinning. It covers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280091
EISBN: 978-1-62708-267-9
... components are produced by: Die forging Upsetting Extrusion forging Roll forging Swaging (or versions using proprietary rotary forging machines) Ring rolling Two or more of these methods used in sequence The die forging categories can be subdivided into: Open-die forgings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
... ]. The part, located in a die, is rotated and pushed vertically upward while the inclined punch rotates. Thus, the machine is similar to a ring rolling mill that has a lower die cavity that is hydraulically pushed upward ( Fig. 23.23 ). Fig. 23.22 Fundamental principle of axial closed-die rolling...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390173
EISBN: 978-1-62708-459-8
... of the theoretical models, and the full Orowan theory is now widely used. It has been noted that good quantitative results require constitutive and grain size evolution models with high accuracy, which is especially important for multi-pass and ring rolling [ 17 – 20 ]. Front and back tensions are incorporated...
Image
Published: 01 January 2015
Fig. 10.12 Ring roller setup to produce symmetrical cylindrical or conical shapes. A preformed heavy-walled ring is heated for conventional forging and deformed between a driver and idler roll. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200158
EISBN: 978-1-62708-354-6
... Rolling mill edger frame. Assembly of cast components joined by electroslag welding. Total weight over 200 tons Cost Reduction The assembly of several large castings into a speed ring for a hydraulic turbine is shown in Figure 11-8 . Such assemblies often measure 30 feet (9 m) in diameter...
Image
Published: 01 January 2017
Fig. 5.35 Effect of test environment and charging current density on the failure time of stressed C-ring specimens of alloy 625 (59% cold rolled + 500 °C, or 930 °F, for 50 h) and Hastelloy G (59% cold rolled+ 260 °C, or 500 °F, for 250 h). Room temperature; 100% yield stress. Source: Ref More