1-20 of 67 Search Results for

shear knives

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Published: 01 January 2002
Fig. 44 Two shear knives made from AISI H13 tool steel. The knives were used to grip hot-rolled bars after rolling so that they could be separated. The knives failed by spalling of the gripping edge after normal service life. More
Image
Published: 30 August 2021
Fig. 44 Two shear knives made from AISI H13 tool steel. The knives were used to grip hot rolled bars after rolling so that they could be separated. The knives failed by spalling of the gripping edge after normal service life. More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005102
EISBN: 978-1-62708-186-3
..., and the operating parameters are discussed. The article provides information on the applications of rotary shearing. It concludes with a discussion on devices equipped with shearing machines for protecting personnel from the hazards of shear knives, flywheels, gears, and other moving parts. flywheels gears...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001486
EISBN: 978-1-62708-173-3
... portion and the relative roughness of the fractured portion. Sheared edges cannot compete with machined edges, but when knives are kept sharp and in proper adjustment, it is possible to obtain sheared edges that are acceptable for a wide range of applications. The quality of sheared edges generally...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005103
EISBN: 978-1-62708-186-3
... into narrower width coiled strips The slitter itself consists of supporting structure and two parallel arbors, one above the other, mounted with shear slitter knives. The distance between two parallel slitter arbors is vertically adjustable to accommodate different diameter knives and different...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005104
EISBN: 978-1-62708-186-3
... are reviewed in terms of tool materials, coatings and surface treatments, and lubrication. The article discusses tool steels that are used for cold and hot shearing, and rotary slitting. It provides information on the materials used for two main categories of machine knives: circular knives and straight knife...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
.... Although sheared edges are not as clean as machined edges, sharp and properly adjusted knives produce sheared edges that are acceptable for a wide range of applications. Applicability Straight-knife shearing is the most economical method of cutting straight-sided blanks from stock no more than 50 mm...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002458
EISBN: 978-1-62708-194-8
... analysis in materials selection and materials development/refinement. chipper knives failure analysis line pipe steels materials selection oxygen furnace precipitator wires MATERIALS SELECTION for parts or components usually occurs under two conditions. The first is when a new part...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... Handbook Archived Volumes ). Tool and Die Characteristics Steels used for tools and dies differ from most other steels in several aspects. First, they are used in the manufacture of other products by a variety of forming processes (stamping, shearing, punching, rolling, bending, and so...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
... “Supplemental Articles,” in this online Volume). Tool and Die Characteristics Steels used for tools and dies differ from most other steels in several aspects. First, they are used in the manufacture of other products by a variety of forming processes (stamping, shearing, punching, rolling, bending...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005528
EISBN: 978-1-62708-197-9
... belonging to this category include blanking, trimming, piercing, guillotining, and cropping. The second category includes shear slitting and side- or edge-trimming processes. These processes use two rotary top and bottom knives, which can be of block or disk type. Schematic diagrams of the blade setup...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003037
EISBN: 978-1-62708-200-6
... in this direction by roll-forming or heat-forming. Also, the W (direction of expansion) shear properties of overexpanded core tend to increase over those of hexagonal core of the same density, while the L shear properties decrease slightly. The flex-core configuration offers added formability over other...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002158
EISBN: 978-1-62708-188-7
... monitor the web speed and vary the crosscutting speed to yield a perpendicular cut. Both types of crosscutters greatly reduce the material jam-ups and breaks that occur when using mechanical knives, shears, and saws. Fig. 14 Relative motion in slant-bar crosscutting. V w must equal V c 2...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005174
EISBN: 978-1-62708-186-3
... shapes, although triangles and other straight-sided shapes are also sheared with straight knives. Rotary shearing is used for producing circular or other contoured shapes (see the article “Shearing of Sheet, Strip, and Plate” in this Volume). Straight-knife shearing is the most economical method...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005738
EISBN: 978-1-62708-171-9
..., and polytetrafluoroethylenes are the softest range of materials that allow cutting without damage to the dynamic counterpart ( Ref 8 , 9 , 10 ). In addition, low-shear-strength metals such as aluminum, silver, cadmium, indium, zinc, bronze, and copper alloys fulfill the softness criterion to some degree ( Ref 11 , 12 , 13...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003489
EISBN: 978-1-62708-195-5
..., the substrates (or adherends) are overlapped to place the adhesive in shear. Figure 1 shows some typical joint designs for adhesively bonded joints of composite-to-metal substrates. Fig. 1 Typical secondary adhesively bonded joint configurations. (a) Single lap joint. (b) Tapered single lap joint. (c...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005743
EISBN: 978-1-62708-171-9
... are tungsten carbide (WC-10Co-4Cr) or oxide ceramics (Cr 2 O 3 , Al 2 O 3 -ZrO 2 , Al 2 O 3 alloys). Coating processes are plasma, detonation gun, and HVOF. Cutting Equipment Machine knives, such as slitters and guillotines, benefit from the application of WC/Co coatings. Such knives work against...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005745
EISBN: 978-1-62708-171-9
... are discussed. Knives A variety of cutting edges is used for slitting, chopping, pelletizing, and grinding fibers and extruded plastic shapes. These blades have single edges; that is, the taper is ground only on one side, and the other side remains flat. Some of these knives operate against opposing...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005145
EISBN: 978-1-62708-186-3
... to the condition of dies and equipment. Shear knives may penetrate 65 to 75% of the material thickness before separation occurs in shearing nickel 200, whereas penetration may be only 20 to 30% in shearing the harder alloys. Laboratory tests have indicated that the shear strength of nickel alloys in double...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001324
EISBN: 978-1-62708-170-2
... to improve drying and to minimize humidity in the shop area. High-pressure air (air knives) can be used to blow the water off the parts. These are most useful if the part and basket geometry allows the air knife apertures to get consistently within a few inches of the parts. The noise generated by these air...