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shearing machines

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Published: 01 November 2013
Fig. 3 Conventional arrangement of cutters in a rotary shearing machine, for production of a perpendicular edge. Source: Ref 1 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040151
EISBN: 978-1-62708-300-3
... cutting, or flame cutting. Billets and bar sections are sheared between the lower and upper blades of a machine in which only the upper blade is movable. There are also shears, such as impact cutoff machines, that utilize a horizontal knife movement to shear the bar sections. The shear blade...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500249
EISBN: 978-1-62708-317-1
..., when using an intermediate preform step, can be obtained by: (Eq 12.4) s 2 = s 0 sin  α 1 sin  α 2 Fig. 12.38 Process combination of conventional and shear spinning. Source: Ref 12.27 Machines and Tools In principle, the same...
Image
Published: 30 November 2013
Fig. 36 Characteristic X-shaped crack pattern in a grade 1045 steel crankshaft after testing in reversed torsional fatigue in a special machine, not in an engine. In this case, the original crack was in the transverse shear plane, not in the longitudinal shear plane as in Fig. 35 . More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390456
EISBN: 978-1-62708-459-8
... performance testing rake angle tool life Chapters 8 to 12 were devoted to processes where fracture is undesirable – with the exception of the process of shearing – and the shape of the part is produced by plastic flow. Machining differs in that the material is intentionally separated and the shape...
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
... sawing is a cutting (machining) operation, sawing and abrasive jet cutting are covered in Chapter 5, “Machining,” in this book. Shearing of sheet and plate is broadly classified by the type of blade (cutter) used—straight or rotary. Straight-blade shearing is used for squaring and cutting flat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270141
EISBN: 978-1-62708-301-0
...-defined chevron marks along the fracture surface that end in a shear lip on the convex side. Further examination using a SEM shows that the failure was due to overload. Based on these observations and the results of tensile testing and microstructural analysis, investigators concluded that a sudden impact...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060163
EISBN: 978-1-62708-355-3
... and radii at corners of both specimens may be critical, as is machining finish. See Fig. 2 for examples of more complex specimen geometries. Fig. 2 Tensile specimens used for monolithic ceramics (each is in correct proportion to the others); all dimensions in mm. Upper row for round specimens...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400005
EISBN: 978-1-62708-316-4
..., power assisted spinning machines, shear forming machines Materials: carbon and alloy steels aluminum alloys; titanium alloys; iron-, nickel-, and cobalt-base superalloys; molybdenum alloys; niobium alloys; beryllium; tungsten Process Variations: manual spinning, power spinning, shear forming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... testing of unidirectional (zero-degree) composites is a challenge; it is difficult to transmit load from the testing machine to the composite because the composite interlaminar shear strength is much lower than the uniaxial tensile strength. Longitudinal tensile tests are extremely sensitive to fiber...
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. 22 Free-body diagram of maximum tensile and shear stress orientation on a surface element of a shaft in a torsional mode. Both maximums are at the surface. Stress is considered to be zero at the central axis. Source: Ref 2 Fig. 19 Basic stresses that are applied to gear teeth. Often...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
... in the injection chamber of the molding machine. A typical injection molding cycle is illustrated in Fig. 10.20 . As the material progresses down the screw, it is melted by a combination of heat from the barrel and the shearing action of the screw. The material accumulates in the barrel and is then injected under...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270180
EISBN: 978-1-62708-301-0
... where the studs were fixed had no threads machined for an initial depth equal to about three threads. The leading thread in the stud was thus well inside and not at the shear region ( Fig. CH49.4 ). With this kind of free, unrestricted length of the stud, every time the load is applied, a fluctuating...
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
... system. The chapter then describes important structural fasteners, namely bolts, screws, pins, collar fasteners, rivets, blind fasteners, machine pins, and spring clip fasteners. The following sections describe the process involved in presses, shrink fits, hole generation, and fastener installation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290261
EISBN: 978-1-62708-319-5
... to nal density and dimensions without the need for machining. Newtonian ow. An idealized viscosity situation applicable to a few uids where there is no viscosity sensitivity to the shear strain rate, only temperature. The stress is proportional to the shear strain rate. nodular powder. Irregular...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250089
EISBN: 978-1-62708-345-4
...-Hill Inc. , 1991 • Dudley D.W. , Handbook of Practical Gear Design , McGraw-Hill Book Company , 1984 Machining of Spur Gears Form Milling Shear Cutting Hobbing Shaping Machining of Helical Gears Hobbing Milling Shaping Machining of Herringbone Gears...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060183
EISBN: 978-1-62708-355-3
... Stress-Strain Relationships for an Orthotropic Material Shear Coupling Phenomenon Symmetric Laminates and Laminate Notation Balanced Laminates Tensile Testing of Laminates In-Plane Tensile Test Methods Straight-Sided Coupon Tensile Tests Tensile Testing of Single Filaments and Tows...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770001
EISBN: 978-1-62708-337-9
..., machine parts (for example, gears) would not be able to transmit as much load as would case-hardened parts. This is because case hardening produces significant compressive-residual stresses at the surface and within the hard case, whereas with through hardening, the residual stresses are much less...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3