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direct-drive rotary friction welding

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290137
EISBN: 978-1-62708-306-5
... stationary; (b) both workpieces are brought together, and an axial force is applied to begin the upsetting process; (c) workpiece rotation is stopped, and the upsetting process is completed. Source: Ref 6.9 There are two principal friction welding methods: direct-drive welding and inertia-drive...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... drive. (b) Direct electric drive. [ Bohringer et al., 1966 ] In the friction-drive press, the driving disks are mounted on a horizontal shaft and are rotated continuously. For a downstroke, one of the driving disks is pressed against the flywheel by a servomotor. The flywheel, which is connected...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... Abstract This chapter describes the processes involved in the fabrication of wrought and cast metal products. It discusses deformation processes including bending and forming, material removal processes such as milling, cutting, and grinding, and joining methods including welding, soldering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... where fatigue failures are likely to occur in cold-driven rivet and friction joints, and why the fatigue strength of welded joints can be much lower than that of the parent metal, depending on weld shape, joint geometry, discontinuities, and residual stresses. The chapter also explains how to improve...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200007
EISBN: 978-1-62708-354-6
... of casting size and complexity, and the types of cast steels produced. These illustrations may well stir the reader’s imagination in the direction of new applications. Transportation Industries Railroad The railroads were among the first customers of the steel castings industry. The use of steel...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... stirring Rotational friction welding equipment operates by direct drive or inertia drive. The first of these arrangements makes use of a motor running at constant speed to rotate one of the parts as it is driven into contact with the second, stationary part. The resulting friction and abrasion heats...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500211
EISBN: 978-1-62708-317-1
... or product change ( Fig. 10.4d ). Fig. 10.4 Common roll forming mill configurations. (a) Outboard, (b) Inboard, (c) Double-head, and (d) Raft types The machine may be furnished with either a fixed- or a variable-speed drive unit that is powered by an alternating current (ac) or a direct current...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.9781627083515
EISBN: 978-1-62708-351-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.9781627083423
EISBN: 978-1-62708-342-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
... into the transfer system. One of the billet loader arms moves the cleaning block into the center of the press in order to clean the shell from the container bore. 6.1.1.4 Hydraulic Drive and Control Systems for Direct Extrusion When hydraulic presses were first built, the operating medium was exclusively...
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 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
.... It describes several welding processes, including arc welding, resistance welding, and friction stir welding, and addresses related issues such as welding defects, quality control, and stress relieving. The chapter also covers mechanical fastening techniques along with adhesive bonding and brazing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390325
EISBN: 978-1-62708-459-8
... or upper bound solutions indicate that pressure in the friction hill should rise linearly, but all direct measurements show a rounding off of the pressure peak ( Fig. 11.1f ), indicating that analyses based on decreasing interface shear stress toward the neutral point are more relevant. Not surprisingly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... caps, and Christmas ornaments (tinsel). In general, tin-base materials have good bearing properties and are consequently used as the base material for bearing metals. Very little friction occurs in direct extrusion between the billet surface and the container inner wall because of these good...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... Cross section of a pin-on-flat wear scar measured by profilometry transverse (Pt) to the sliding direction. The wear area in red is calculated by instrument software. If friction is measured in a pin-on-disk test, then the recording can look like any of those shown in Fig. 5.8 . The person...
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
... associated with measuring thickness of thin strip can be circumvented by measuring the increase in length and using Eq. (2.21) . Figure 8.7: Methods of evaluating lubricants from roll force and rolled gage, recognizing that improved lubrication leads to less friction. (a) Direct comparison...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060429
EISBN: 978-1-62708-261-7
... losses due electron beam heat treating. A selective sur- to internal friction. It is determined by mea- face hardening process that rapidly heats a suring the area under the stress-strain curve surface by direct bombardment with an accel- up to a specified elastic strain. erated stream of electrons...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7