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rolling

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<span class="search-highlight">Rolling</span> a ball on a flat produces pure <span class="search-highlight">rolling</span> at a point. <span class="search-highlight">Rolling</span> a ball i...

Rolling a ball on a flat produces pure rolling at a point. Rolling a ball i...

in The Mechanisms and Manifestations of Friction > Tribomaterials: Properties and Selection for Friction, Wear, and Erosion Applications
Published: 30 April 2021
Fig. 2.11 Rolling a ball on a flat produces pure rolling at a point. Rolling a ball in an “almost” conforming raceway produces a line of rolling contact. More
Book Chapter

Roll Forming

By Okan Gortan, Haydar Livatyali, Peter Groche
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500211
EISBN: 978-1-62708-317-1
... Abstract Roll forming is a process in which flat strip or sheet material is progressively bent as it passes through a series of contoured rollers. This chapter describes the basic configuration and operating principles of a roll forming line and the cross-sectional profiles that can be achieved...
Abstract
Roll forming is a process in which flat strip or sheet material is progressively bent as it passes through a series of contoured rollers. This chapter describes the basic configuration and operating principles of a roll forming line and the cross-sectional profiles that can be achieved. It explains how to determine strip width and bending sequences and identifies the cause of common roll-forming defects. It also discusses the selection of roll materials and explains how software helps simplify the design of roll forming lines.
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Typical <span class="search-highlight">rolling</span> mill designs used in <span class="search-highlight">rolling</span> plate, sheet, strip, and foil

Typical rolling mill designs used in rolling plate, sheet, strip, and foil

in Primary Working[1] > Titanium: Physical Metallurgy, Processing, and Applications
Published: 01 January 2015
Fig. 9.6 Typical rolling mill designs used in rolling plate, sheet, strip, and foil More
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Two-high <span class="search-highlight">rolling</span> mill. This type of mill lends itself to <span class="search-highlight">rolling</span> titanium s...

Two-high rolling mill. This type of mill lends itself to rolling titanium s...

in Primary Working[1] > Titanium: Physical Metallurgy, Processing, and Applications
Published: 01 January 2015
Fig. 9.9 Two-high rolling mill. This type of mill lends itself to rolling titanium sheet and plate. Courtesy of Timet More
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Hot <span class="search-highlight">rolling</span> converts slab material into a single longer piece that can be c...

Hot rolling converts slab material into a single longer piece that can be c...

in Primary Working[1] > Titanium: Physical Metallurgy, Processing, and Applications
Published: 01 January 2015
Fig. 9.10 Hot rolling converts slab material into a single longer piece that can be coiled at an intermediate-thickness hot band. Courtesy of Timet More
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<span class="search-highlight">Rolling</span> of a metal sheet. (a) Elongation on surface of the sheet. (b) Resul...

Rolling of a metal sheet. (a) Elongation on surface of the sheet. (b) Resul...

in Deformation and Fracture Mechanisms and Static Strength of Metals > Mechanics and Mechanisms of Fracture: An Introduction
Published: 01 August 2005
Fig. 2.74 Rolling of a metal sheet. (a) Elongation on surface of the sheet. (b) Resulting distribution of longitudinal residual stress over thickness of sheet (schematic). Note: The residual stress pattern would be the reverse of those shown here for large reduction of thickness. Source: Ref More
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Flexible <span class="search-highlight">roll</span> forming mill prototype. Servomotors: (M1) for light <span class="search-highlight">rolling</span>; ...

Flexible roll forming mill prototype. Servomotors: (M1) for light rolling; ...

in Roll Forming > Sheet Metal Forming: Processes and Applications
Published: 01 August 2012
Fig. 10.13 Flexible roll forming mill prototype. Servomotors: (M1) for light rolling; (M2) for driving rolls; (M3) for rotating turn table; and (M4) for translating base table. (a) Turn table. (b) Base table. (c) Guide actuator. (d) Rotary encoder. (e) Linear encoder. (f) Blank sheet. (g More
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Evolution of grain structure in cold <span class="search-highlight">rolling</span> and annealing. Source: Ref 2....

Evolution of grain structure in cold rolling and annealing. Source: Ref 2....

in Steel Fundamentals > Advanced-High Strength Steels: Science, Technology, and Applications
Published: 01 August 2013
Fig. 2.29 Evolution of grain structure in cold rolling and annealing. Source: Ref 2.1 More
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Traditional flat <span class="search-highlight">rolling</span> process

Traditional flat rolling process

in Innovative Forming Technologies > Advanced-High Strength Steels: Science, Technology, and Applications
Published: 01 August 2013
Fig. 15.21 Traditional flat rolling process More
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Thickness profile in flexible <span class="search-highlight">rolling</span>. Source: Ref 15.1

Thickness profile in flexible rolling. Source: Ref 15.1

in Innovative Forming Technologies > Advanced-High Strength Steels: Science, Technology, and Applications
Published: 01 August 2013
Fig. 15.23 Thickness profile in flexible rolling. Source: Ref 15.1 More
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Experimental pan made from flexible <span class="search-highlight">rolling</span> blank. Source: Ref 15.10

Experimental pan made from flexible rolling blank. Source: Ref 15.10

in Innovative Forming Technologies > Advanced-High Strength Steels: Science, Technology, and Applications
Published: 01 August 2013
Fig. 15.26 Experimental pan made from flexible rolling blank. Source: Ref 15.10 More
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Various applications of flexible <span class="search-highlight">rolling</span> blanks. Source: Ref 15.10

Various applications of flexible rolling blanks. Source: Ref 15.10

in Innovative Forming Technologies > Advanced-High Strength Steels: Science, Technology, and Applications
Published: 01 August 2013
Fig. 15.27 Various applications of flexible rolling blanks. Source: Ref 15.10 More
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Longitudinal cross section of fasteners presenting <span class="search-highlight">rolling</span> folds or laps in...

Longitudinal cross section of fasteners presenting rolling folds or laps in...

in Mechanical Work of Steels—Cold Working > Metallography of Steels: Interpretation of Structure and the Effects of Processing
Published: 01 August 2018
Fig. 12.51 Longitudinal cross section of fasteners presenting rolling folds or laps in different extents and locations. (a) Lap in the thread crest. (b) Lap close to the thread crest. (c) Lap in the thread root. More
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(a) Defect that gave rise to the rupture, during cold <span class="search-highlight">rolling</span> of a thin she...

(a) Defect that gave rise to the rupture, during cold rolling of a thin she...

in Mechanical Work of Steels—Cold Working > Metallography of Steels: Interpretation of Structure and the Effects of Processing
Published: 01 August 2018
Fig. 12.58 (a) Defect that gave rise to the rupture, during cold rolling of a thin sheet of steel. (b) Longitudinal cross section of the sheet, tangential to the edge of one of the defects. The surface of the sheet is at the bottom of the image. The dark line is the crack, slightly opened More
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Plates of API X70, steel, produced through controlled <span class="search-highlight">rolling</span>. Longitudinal...

Plates of API X70, steel, produced through controlled rolling. Longitudinal...

in Structural Steels and Steels for Pressure Vessels, Piping, and Boilers > Metallography of Steels: Interpretation of Structure and the Effects of Processing
Published: 01 August 2018
Fig. 14.10 Plates of API X70, steel, produced through controlled rolling. Longitudinal cross section. (a) and (c), at 1/4 thickness (t/4 position). (b) and (d) mid-thickness (t/2 position). Ferrite (ferritic grain size ASTM 11) and fine pearlite. Some banding. Courtesy of ArcelorMittal Tubarão More
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Dual-phase API X100 steel for piping produced through controlled <span class="search-highlight">rolling</span>. C...

Dual-phase API X100 steel for piping produced through controlled rolling. C...

in Structural Steels and Steels for Pressure Vessels, Piping, and Boilers > Metallography of Steels: Interpretation of Structure and the Effects of Processing
Published: 01 August 2018
Fig. 14.11 Dual-phase API X100 steel for piping produced through controlled rolling. C = 0.06%, Mn = 1.96%, Nb = 0.04%, Ti = 0.01%, + Ni, Cu, Mo. Granular ferrite and bainite (martensite and retained austenite are also present). Courtesy of Nippon Steel Corporation. Source: Ref 11 More
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Experimental API X120 steel produced by controlled <span class="search-highlight">rolling</span> in accordance wi...

Experimental API X120 steel produced by controlled rolling in accordance wi...

in Structural Steels and Steels for Pressure Vessels, Piping, and Boilers > Metallography of Steels: Interpretation of Structure and the Effects of Processing
Published: 01 August 2018
Fig. 14.12 Experimental API X120 steel produced by controlled rolling in accordance with the cycle presented in (c). Steel containing C ≅ 0.05%, Mn ≅ 1.95%, Mo ≅ 0.33%, B = 12 ppm and other additions, including titanium to prevent the formation of boron nitride. (a) Lower bainite. Quenching More
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Transverse cross section of a <span class="search-highlight">rolling</span> mill <span class="search-highlight">roll</span>. The cylinder surface (uppe...

Transverse cross section of a rolling mill roll. The cylinder surface (uppe...

in Cast Irons > Metallography of Steels: Interpretation of Structure and the Effects of Processing
Published: 01 August 2018
Fig. 17.69 Transverse cross section of a rolling mill roll. The cylinder surface (upper portion of the image) has been chilled. White cast iron region close to the roll surface, gray core, and mottled transition region. Etchant: iodine. More
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Schematic of pure <span class="search-highlight">rolling</span> (ignoring elastic deformation). (a) When two <span class="search-highlight">roll</span>...

Schematic of pure rolling (ignoring elastic deformation). (a) When two roll...

in Wear Failures—Fatigue[1] > Understanding How Components Fail
Published: 30 November 2013
Fig. 4 Schematic of pure rolling (ignoring elastic deformation). (a) When two rollers of different sizes but the same surface velocity (not rpm) contact in pure rolling, point A will contact point A’, then point B will contact B’, point C will contact point C’, and other points around More
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Schematic of <span class="search-highlight">rolling</span>&#x2F;sliding contact. (a) The situation shown in Fig. 4 c...

Schematic of rolling/sliding contact. (a) The situation shown in Fig. 4 c...

in Wear Failures—Fatigue[1] > Understanding How Components Fail
Published: 30 November 2013
Fig. 5 Schematic of rolling/sliding contact. (a) The situation shown in Fig. 4 changes drastically if the rollers are externally driven and forced to rotate with different surface velocities. The upper roller is driven at a higher surface velocity than the lower roller, which introduces More