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Book Chapter

By Robert Bolin
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003982
EISBN: 978-1-62708-185-6
... Abstract Ring rolling is a process for creating seamless ring shaped components using specialized equipment and forming processes. This article provides information on the applications of ring rolling. It discusses the types of machines used for ring rolling, namely, vertical rolling machines...
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Published: 01 January 2005
Fig. 1 Ring rolling process. (a) Automotive ring gear during rolling. (b) View of a contour ring during rolling from the control room More
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Published: 31 December 2017
Fig. 9 Ring-on-ring rolling-contact fatigue testing apparatus. See Table 1 . More
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Published: 01 January 2005
Fig. 30 Blanking and rolling tools used in ring rolling. (a) Tapered indenting punch. (b) Tapered, swing arm mounted indent punch. (c) Press mandrel. (d) Piercing punch and support ring for a blanking press. (e) Typical mandrel for a mid-size mill. (f) Axial roll. (g) Main roll. See text More
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Published: 01 January 2005
Fig. 17 Processing sequences for (a) ring rolling and (b) power spinning rocket engine case cylinders, together with the respective rocket engine case assemblies. See Example 11 . Dimensions in figure given in inches Item Ring-rolled forging (power spun) Material D-6ac steel More
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Published: 01 January 2005
Fig. 6 Sketch of a vertical ring rolling mill More
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Published: 01 January 2005
Fig. 7 Sketch of a radial-axial ring rolling machine More
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Published: 01 January 2005
Fig. 9 Sketch of a three-mandrel mechanical ring rolling machine. (a) Side view. (b) Top view More
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Published: 01 January 2005
Fig. 14 Slip fields generated during ring rolling More
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Published: 01 January 2005
Fig. 16 Example of a ring rolling simulation program showing block, blank, and finished wall thickness. Courtesy of SMS Eumuco Wagner Banning More
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Published: 01 January 2005
Fig. 21 Schematic of a three-section ring rolling program on a computer numerical controlled ring mill. In section 1, diameter growth rate increases linearly. In section 2, diameter growth rate is constant, compatible with ring stability and machine characteristics. In section 3, diameter More
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Published: 01 January 2005
Fig. 14 Conventional aluminum alloy forgings for gimbal ring: ring-rolled (a) and finished by closed-die forging (b). See Example 8 . Dimensions in figure given in inches Item Conventional closed-die forging (revised) Material and temper Aluminum alloy 2014-T6 (a) Forging More
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Published: 01 January 2005
Fig. 9 Conventional ring-rolled forgings of original design (a) and revised design (b), containing variations in depth of cavity and machining allowance. See Example 3 . Dimensions in figure given in inches Item Conventional ring-rolled forging (revised) Material AMS 4966 (Ti More
Book Chapter

By S.L. Semiatin
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
... Abstract Metalworking is one of the three major technologies used to fabricate metal products. This article tabulates the classification of metal forming processes. It discusses different types of metalworking equipment, including rolling mills, ring-rolling machines, and thread-rolling...
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Published: 31 December 2017
Fig. 8 Schematics showing types of rolling bearing cages. (a) Inner-ring land riding. (b) Rolling-element (here ball) riding. (c) Outer-ring land riding More
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Published: 01 January 2005
Fig. 15 Relative displacement of material across the ring thickness during rolling. Material near the outer portions of the wall thickness is displaced, while material near the center of the wall is relatively undisturbed. More
Book Chapter

By James A. Rossow
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001021
EISBN: 978-1-62708-161-0
... Abstract Forgings are classified in various ways, beginning with the general classifications open die and closed die. They are also classified according to how they are made; such as hammer upset forgings, ring-rolled forgings, and multiple-ram press forgings; and in terms of the close...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006364
EISBN: 978-1-62708-192-4
..., thus allowing a rough materials selection for practitioners. It presents a brief discussion on hot isostatic pressing (HIP) cladding, sinter cladding, and manufacturing of thick wear-resistant coatings by extrusion or ring rolling. The article also discusses the processing sequence of thick wear...
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Published: 01 January 2005
Fig. 15 Blocker-type hollow-oval nose cowl ring forging. See Example 9 . Dimensions in figure given in inches Item Blocker-type forging Material Aluminum alloy 2014 (a) Forging equipment 710 MN (8000 tonf) press Forging operations Pierce biscuit; ring-roll; squeeze More
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Published: 01 January 2005
Fig. 18 Effect of blank design and wall thickness-to-height reduction ratios in ring rolling. (a) Rolling of washer-type rings. (b) Rolling of sleeve-type rings More