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shear cutting

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250089
EISBN: 978-1-62708-345-4
..., or shear cutting. Fig. 1 Outline of methods of producing gear teeth As listed earlier, there are several methods available for the improving the quality of gears following the standard rough machining operation. Gear shaving is a chip forming finishing operation that removes small amounts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040151
EISBN: 978-1-62708-300-3
...Abstract Abstract Separation of billets by shearing avoids material loss and is considerably faster than sawing or cutting. This chapter discusses the billet shearing process, the characteristics of sheared surfaces, and the effect of various operating parameters on surface quality. It also...
Book Chapter

By Soumya Subramonian
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500001
EISBN: 978-1-62708-317-1
... Phases of the blanking process. Source: Ref 1.1 Contact of the Punch Elastic and Plastic Deformation Shearing and Crack Formation Breakthrough Stripping The cutting forces do not act linearly along the cutting edge. Instead, the vertical force, F V , and horizontal force, F H...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
... 21 Fig. 1 Mechanics of straight-knife shearing. Source: Ref 1 Fig. 3 Conventional arrangement of cutters in a rotary shearing machine, for production of a perpendicular edge. Source: Ref 1 Fig. 4 Typical plasma arc cutting (PAC) torch. Source: Ref 1 Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250001
EISBN: 978-1-62708-345-4
... standards published by the American Gear Manufacturers Association (AGMA), most notably AGMA 1012-F90, “Gear Nomenclature, Definitions of Terms with Symbols.” Fig. 1 Schematic of typical gear tooth nomenclature Gear cutting table showing various tooth dimensions for different diametral pitches...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270053
EISBN: 978-1-62708-301-0
... examined the broken cable in an SEM. While there was no evidence of fatigue, surprisingly, it was found that the strands exhibited two distinct fracture features. Many of the strands had uniformly necked down as in a classical tensile failure, but others showed evidence of cut by a shearing tool...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... used without a coolant and thus create damage to the cut surface of the specimen. However, once a saw-cut specimen is obtained in the field, it is further cut to a smaller size using proper metallographic procedures in the laboratory. Shear A small shear is a very common way to prepare...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630023
EISBN: 978-1-62708-270-9
... shear. Both involve macro-shearing fractures, with little or no bending distortion involved. In single-shear fractures, two closely fitting parallel surfaces with sharp edges, as shown in Fig. 7(a) , can shear, or cut, a third material between them if they move toward each other. Shear or sliding...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
... the shear stress is high. The fatigue cracks, which usually originate at stress concentrations such as hard, brittle inclusions, propagate parallel and perpendicular to the surface. When a small volume of metal is surrounded by cracks, it falls from the surface, leaving a cavity or pit with steep-sided...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870307
EISBN: 978-1-62708-314-0
... steps. For example, a composite wing requires, first, a framing operation in which all of the spars and ribs must be properly located and connected with shear ties. Each skin must then be located on the substructure, and shimmed; holes must be drilled and fasteners installed. During and after skin...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500249
EISBN: 978-1-62708-317-1
...Abstract Abstract Sheet metal spinning is a forming technique that produces axially symmetric hollow bodies with nearly any contour. It is often used in combination with flow forming and shear spinning to manufacture a wide range of complex parts. This chapter describes the operating principles...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2021
DOI: 10.31399/asm.tb.ciktmse.t56020001
EISBN: 978-1-62708-389-8
.... One way to think about a screw dislocation is to start with a deck of cards. A “cut” is first made partway into the cards. Then, the cards are sheared in the plane of the cut as shown by the magenta arrows in Fig. 5 . The result is a screw dislocation as represented by the dotted line in Fig. 5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270084
EISBN: 978-1-62708-301-0
... of General Physical Features Testing Procedure and Results A tire in an aircraft burst while inflating. The hub of the wheel had sheared off. Parallel to the fracture surface, there was circumferential cracking near the fillet of the flange. The crack had proceeded from the outer surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... on fatigue fracture beach marks reveals the direction of shaft rotation during operations Fig. 4 (a) Fracture surface of a steel tube, at approximately actual size, showing point of crack initiation (at arrow), chevron and fanlike marks, and development of shear lips. (b) Fracture-origin area...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... Fig. 3 Surface of a fatigue fracture in a 4330V steel part. Chevron marks point to origin of fatigue in lower left corner. Arrows identify shear rupture along the periphery. Source: Ref 1 Fig. 4 Fracture of a steel tube. (a) Fracture surface at approximately actual size, showing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040017
EISBN: 978-1-62708-300-3
... ( Fig. 3.3 ). Assuming that the z plane vanishes, one has σ z = τ zy = τ zx and a biaxial state of stress exists. To study the variation of the normal and shear stress components in the x-y plane, a cut is made at some arbitrary angle θ as shown in Fig. 3.4 , and the stresses on this plane...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290207
EISBN: 978-1-62708-306-5
... • Robin M.J. , Mechanical Fasteners , Mechanical Engineers’ Handbook , 2nd ed. , John Wiley & Sons , 1998 A simple single fastener single-lap shear joint is shown in Fig. 8.2 . The key dimensions are: d , fastener diameter t , thickness of the joint elements w , width...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280189
EISBN: 978-1-62708-267-9
..., more heat is generated in the shear zone, and greater tool wear occurs for a given cutting speed than with most other metals. Moreover, because the cutting of superalloys requires a larger force (about twice the force for cutting medium-carbon alloy steel in turning operations), tool geometry, tool...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860095
EISBN: 978-1-62708-338-6
.../10426919508934993 8.24 Swanson W.R. , Toombes G.R. , and Beckwith S.W. , In-Plane Shear Properties of Composites Using Torsion Tests of Thin-Wall Tubes , 29th National SAMPE Symposium , April 3–5 , 1984 , p 567 – 577 8.25 Spencer B. and Hull D. , Effect of Winding...