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curling dies

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Image
Published: 01 January 2006
Fig. 25 Curling dies on a press brake More
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005177
EISBN: 978-1-62708-186-3
..., gooseneck punches, wiping dies, channel dies, arbor-type punches, box-forming dies, curling dies, beading dies, and cam-driven dies, with illustrations. It discusses the tool material selection for various operations. The article explains the procedures used for producing different shapes, including simple...
Image
Published: 01 January 2006
Fig. 11 Special punches and dies for curling and U-bending in a press brake More
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005113
EISBN: 978-1-62708-186-3
... the wire is not used, the operation is known as curling or false wiring ( Fig. 24 ). Curling dies are shown in Fig. 25 . Fig. 24 Curls. (a) Open and closed curls. (b) Wiring and curling Fig. 25 Curling dies on a press brake Bead-Forming Dies Bead-forming dies are available...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005161
EISBN: 978-1-62708-186-3
... of sheet metal. The bending forces, however, are spread farther apart, resulting in plastic distortion of metal without failure. The simplified sketches in Fig. 1 illustrate the forces applied during bending in V-dies, wiping dies, and U-dies. The latter two are more typical of high-production bending...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005180
EISBN: 978-1-62708-186-3
..., the basic principle used in shaping and cutting of stampings is the same as that of any conventional press. Moving slides, fitted with suitable tools, strike the metal while it is supported on tools equivalent to dies, forcing it to assume the desired shape. The base of the multiple-slide machine...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005141
EISBN: 978-1-62708-186-3
... and dies in blanking and piercing than do steels. On drawing tools, they require larger clearances but approximately the same radii, to allow the free flow of metal and avoid excessive stretching. The amount of springback in forming aluminum alloys, which is generally more than that of steel, must...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005155
EISBN: 978-1-62708-186-3
... in.) or more. strain aging. anticlastic curvature. A con guration of a sheet or beam that is curved longitudinally in one barreling. Convexity of the surfaces of cylin- air bend die. Angle-forming dies in which the direction and transversely in the opposite drical or conical bodies, often produced metal...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002143
EISBN: 978-1-62708-188-7
..., so that the chips can curl, break up, and drop away from the cutting edges. When the chip is forced into a pocket, or cannot clear the cutting edge, the threads being cut may be scored, and the tool edge can be damaged. Solid dies made of expensive tool steel are produced only in small sizes...
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
... opening designed for large, bulky workpieces. Guillotine and multipurpose (combination) machines are widely used for welding preparation. The multipurpose machines feature interchangeable punches and dies for shearing, punching, and coping. Squaring shears, normally used for sheet and plate, can also...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005163
EISBN: 978-1-62708-186-3
... problems in the assembly of parts and can lead to expensive modifications of the forming tools. Springback and sidewall curl after unloading from stamping dies is a very important technical barrier to the widespread use of HSS. Springback can be reduced through proper tooling design and by controlling...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005162
EISBN: 978-1-62708-186-3
...” in this Volume. Presses and Dies The characteristics of the various types of presses used in forming sheet metal parts are discussed in the article “Presses and Auxiliary Equipment for Forming of Sheet Metal” in this Volume. Single- and double-action presses are available in approximately the same...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002187
EISBN: 978-1-62708-188-7
... holes. The ends of the flutes on these taps are ground off at an angle, instead of being straight. This creates a side rake angle at the cutting edges at the end of the tap. The cutting wastes produced by the spiral-point tap are curled away from and ahead of the tap and do not normally enter the flutes...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.9781627081856
EISBN: 978-1-62708-185-6
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004031
EISBN: 978-1-62708-185-6
... the housings, with a bed strain aging. displaceable frame opposite to, but on the designed for holding long, narrow forming same centerline as, the main roll and rolling edges or dies. Used for bending and forming air bend die. Angle-forming dies in which the mandrel. The axial rolls control ring height strip...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005454
EISBN: 978-1-62708-196-2
... for the free from the neutral plane is in compression; the deformation and relative to the dies prior to electrons in a metal, as described by the use rest of the bend is in tension. each deformation step. of the band theory (zone theory) of electron blank. In forming, a piece of sheet material, structure...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005540
EISBN: 978-1-62708-197-9
... the successful development of automatic meshing for dies and the adaptivity for deformable sheet metal. The main emphasis during that period was focused on formability evaluation from blanking through trimming operations. Users were looking for answers to straining, thinning, wrinkling, and failure predictions...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005543
EISBN: 978-1-62708-197-9
... the beginning (Latin); often accepted SI unit, it is occasionally used for iron consists of two-phase mixtures containing used to refer to rst-principles modeling small distances, such as interatomic dis- ferrite and austenite. approaches. tances, and some wavelengths. austenite. A high-temperature form...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.9781627081979
EISBN: 978-1-62708-197-9