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cross-rolling machines

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040141
EISBN: 978-1-62708-300-3
... (orbital) and radial forging machines. It describes their basic operating principles as well as advantages and disadvantages. cross-rolling machines orbital forging machines radial forging machines ring-rolling mills 12.1 Introduction Prior to forging in an impression die, billet stock...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500211
EISBN: 978-1-62708-317-1
.... (b) Flexible roll-formed products. Source: Ref 10.18 Figure 10.13 shows another FRF mill prototype that was developed by Ona et al. ( Ref 10.19 , 10.20 ), who controlled the flexible cold roll forming machine by a progressive logic controller unit to form products with flexible cross...
Image
Published: 01 August 2018
Fig. 12.48 Longitudinal cross section of the threaded region of M5 fasteners. (a) and (c) Rolled thread. (b) and (d) Machined (or cut) thread. The deformation of the “fibers” of the original material causes a large reduction of the fiber spacing close to the thread roots in the case of rolled More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... direction. Cross rolling is often used to disrupt the tendency to texture [ Sharma and Sivasubramanian 1994 ]. A special forging practice known as triaxial forging, often known as redundant forging, has been used to change the angular inclination of maximum preferred orientation and the degree...
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
... in rolled 4130 steel bar. Note the linear characteristics of this flaw. (b) Micrograph of seam in (a) showing cross section of the bar. Seam is normal to the surface and filled with oxide. Original magnification: 30×. (c) Micrograph of forging lap. Note the included oxide material in the lap. Original...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... at the edge of rolled strip. Preventive measures include sufficient annealing between rolling operations and the preparation of clean ingot surfaces. Contour Roll Forming Contour roll forming, also known as cold roll forming , is done to form sheet or strip into shapes with nearly uniform cross...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250001
EISBN: 978-1-62708-345-4
... Fig. 17 Mating crossed-axes helical gears Fig. 18 Spiroid gear design Fig. 25 Typical data obtained on charts generated by automated gear-checking machines. (a) Tooth-to-tooth pitch error. (b) Accumulated pitch error. (c) Spacing error Abstract This chapter begins...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
..., and, if desired, the high strength obtained during cold rolling can be retained, or, if high ductility is needed, grain size can be controlled by annealing. Lubrication is, in general, easier. 16.3 Rolling Rolling is reduction of the cross-sectional area of the metal stock, or the general shaping...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720117
EISBN: 978-1-62708-305-8
.... Either it is a full cross section of the product form, or it is a small portion that has been machined to specific dimensions. Full section test pieces consist of a part of the test unit as it is fabricated. Examples of full section test pieces include bars, wires, and hot rolled or extruded angles cut...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480207
EISBN: 978-1-62708-318-8
... on dimensions. Plate is flat rolled to 4.76 mm (0.1875 in.) or more in thickness and over 254 mm (10 in.) wide. Dimensional differences between sheet and strip are not as readily defined. For this discussion, sheet is defined as a relatively small, individually cross-rolled piece, while strip implies...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270180
EISBN: 978-1-62708-301-0
... initiating at a During landing roll, the nose landing gear of an aircraft got thread root and extending to about 20% of the cross section. retracted. It was found that two studs of the nose undercarriage retraction jack support beam had fractured. The studs were in use Under the SEM, fatigue striations were...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220353
EISBN: 978-1-62708-259-4
... of round bars of AISI 10V45 steel rolled from a continuous cast billet of 178 x 178 mm (7 x 7 in.) cross section. The deformation ratio during rolling was measured as the ratio between the initial and final cross-sectional areas (a) 7:1, (b) 10:1, (c) 27:1, and (d) 49:1. Some remaining image...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050175
EISBN: 978-1-62708-311-9
... nonresulfurized grades is 0.025 mm per 1.59 mm (0.001 in. per 1 16 in.) of cross section, or 0.254 mm (0.010 in.), whichever is greater. For example, for a 25 mm (1 in.) bar, recommended stock removal is 0.254 mm (0.016 in.) per side. For the resulfurized grades, recommended stock removal is 0.038 mm...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980009
EISBN: 978-1-62708-342-3
... cost than comparable rolling stock in steel lightweight construction. This involves the use of easily extruded, relatively corrosion insensitive, and easily age-hardened aluminum alloys such as AlMgSi0.5 and AlMgSi0.7, without which the very demanding cross-sectional geometries of the large profiles...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220403
EISBN: 978-1-62708-259-4
...). Rolling threads causes no interruption in the fibers of the material and should not give rise to common surface irregularities that can be experienced in machined threads ( Fig. 12.48b and d and Fig. 12.49 ). Fig. 12.47 Longitudinal cross section of fasteners cold formed from a hot-worked wire...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250089
EISBN: 978-1-62708-345-4
... in the pitch plane generally equals the pressure angle of the gear to be ground (usually 15 or 20°). Under these conditions, the generating circle coincides with the pitch circle of the gear. This method produced a criss-cross pattern of grooves (lay of surface roughness) and has been widely used because...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740001
EISBN: 978-1-62708-308-9
.... Rolling Rolling is the reduction of the cross-sectional area of the metal stock, or the general shaping of the metal products, through the use of the rotating rolls. The rolls rotate to pull and simultaneously squeeze the work between them. After ingot casting, rolling is perhaps the most important...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060033
EISBN: 978-1-62708-355-3
... As previously noted, the item being tested may be either the full cross section of the item, or a portion of the item that has been machined to specific dimensions. This chapter focuses on tensile testing with test pieces that are machined from rough samples. Component testing is discussed in Chapter 12...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440275
EISBN: 978-1-62708-262-4
... in. per 1 16 in.) of cross section or 0.38 mm (0.015 in.), whichever is greater. Stock removal for hot-rolled stock . Stock removal of 3.18 mm (⅛ in.) is recommended for diameters of 38 through 76 mm (1½ through 3 in.) and 6.35 mm (¼ in.) of larger diameter bars. Castings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320103
EISBN: 978-1-62708-332-4
... = a 1 × V 1 = a 2 × V 2 where Q is the volume of flow, a 1 is the cross-sectional area at section 1, a 2 is the cross-sectional area at section 2, V 1 is the velocity at cross-section 1, and V 2 is the velocity at cross-section 2. Figure 7.7(a) illustrates...