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press-brake forming

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003181
EISBN: 978-1-62708-199-3
... Abstract This article provides a detailed account on forming operations (blanking, piercing, press-brake forming, contour rolling, deep drawing, cold forming, and hot forming) of various nonferrous metals, including aluminum alloys, beryllium, copper and its alloys, magnesium alloys, nickel...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003180
EISBN: 978-1-62708-199-3
... steels for various methods of forming Steel 0.2% yield strength Suitability for: MPa ksi Blanking Piercing Press-brake forming Deep drawing Spinning Roll forming Coining Embossing Austenitic steels 201 380 55 B C B A-B C-D B B-C B-C 202 380 55 B B A A B-C...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... X X X X X X Transfer X X X X X X X X X X X X X X X Flat-edge trimming X X X X X X X X Hydraulic X X X X X X X X X X X X X X X X X X Press brake X X X X X X...
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
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003178
EISBN: 978-1-62708-199-3
... press tooling. The machines used for bending of bars include the following: devices and fixtures for manual bending, press brakes, conventional mechanical and hydraulic presses, horizontal bending machines, rotary benders, and bending presses. Shapers have also been used to perform specific bending...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003010
EISBN: 978-1-62708-200-6
... Abstract A thermosetting resin, or thermoset, is a synthetic organic polymer that cures to a solid, infusible mass by forming a three-dimensional network of covalent chemical bonds. Significant applications include construction and thermoset engineering plastics. This article discusses the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003121
EISBN: 978-1-62708-199-3
... press bedplates; water jackets; crankcases. Permanent: impellers; aircraft fittings; timing gears; jet engine compressor cases 356.0 Sand: flywheel castings; automotive transmission cases; oil pans; pump bodies. Permanent: machine tool parts; aircraft wheels; airframe castings; bridge railings...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005674
EISBN: 978-1-62708-198-6
... sections or water quenching of thick sections. Beta alloys have excellent forgeability, cold-rolling capabilities, and in sheet form can be cold brake-formed more readily than high-strength α-β or α alloys. Beta alloys allow one to reduce the modulus by approximately one-third compared to Ti-6Al-4V, and...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003165
EISBN: 978-1-62708-199-3
..., from which it inherits the fine grain size (5 to 15 μm) from the powder processing. Powder consolidation is done by vacuum hot pressing and has also been done by hot isostatic pressing or cold isostatic pressing followed by vacuum sintering. Consolidated beryllium shows only modest ductility (≤3...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004005
EISBN: 978-1-62708-185-6
... Abstract Cold extrusion is a push-through compressive forming process with the starting material (billet/slug) at room temperature. This article provides information on the different types of steels that can be cold extruded. Mechanical presses and hydraulic presses that are specifically...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003140
EISBN: 978-1-62708-199-3
... sections. Beta alloys have excellent forgeability, cold-rolling capabilities, and in sheet form can be cold brake-formed more readily than high-strength α-β or α alloys. It is more difficult to perform more complex triaxial-strain-type forming operations with β alloys because they exhibit almost no work...
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
... contaminated with forming lubricants from blanking and brake press operations. The original tank was 8 m (27 ft) long, 1.5 m (5 ft) wide, and 8 m (27 ft) deep. Very few of the parts going through this system were more than 3.5 m (12 ft) long, and other larger degreasing systems were available within the same...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005287
EISBN: 978-1-62708-187-0
..., shell mold casting, plaster casting, investment casting, permanent mold casting, squeeze casting, semisolid forming, centrifugal casting, and pressure die casting. The article presents several different factors on which the selection of a casting process depends. It discusses gating and risering...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005326
EISBN: 978-1-62708-187-0
... punched. Close dimensional tolerances can be maintained in ferritic malleable iron and in the lower-hardness types of pearlitic malleable iron, both of which can be easily straightened in dies. The harder pearlitic malleable irons are more difficult to press because of higher yield strength and a greater...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003031
EISBN: 978-1-62708-200-6
... temperature in an open oven; in some cases, consolidation and surface finish may be improved by applying an external female mold or vacuum bag. Lay-ups are most commonly consolidated by applying both heat and pressure in an autoclave, but they may also be molded, pressed, or vacuum-bag cured. There are also...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003138
EISBN: 978-1-62708-199-3
..., HM21A, and ZK60A. Alloys HM21A and AZ31B can be used for hammer forgings (whereas the other alloys are almost always press forged). The AZ80A alloy has greater strength than AZ61A and requires the slowest rate of deformation of the Mg-Al-Zn alloys. Alloy ZK60A has essentially the same strength as AZ80A...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003009
EISBN: 978-1-62708-200-6
... Abstract Advanced thermoplastics are stiff, moldable plastics that compete with traditional engineering thermoplastics and thermosets owing to their good tensile, compressive, impact, and shear strength, electrical properties, and corrosion resistance. This article discusses commercial forms...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003973
EISBN: 978-1-62708-185-6
... motor and controlled by means of an electrohydraulic clutch/brake system, mechanical presses have a full-eccentric type of drive shaft that imparts a constant-length stroke to a vertically operating ram ( Fig. 6 ). Various mechanisms are used to translate the rotary motion of the eccentric shaft into...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003974
EISBN: 978-1-62708-185-6
... drive system used in most mechanical presses is based on a slider-crank mechanism that translates rotary motion into reciprocating linear motion. The eccentric shaft is connected, through a clutch and brake system, directly to the flywheel (see Fig. 9 in the article...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... cylinders. At the end of the upstroke, the ram is stopped and held in position by a hydraulic brake. Fig. 8 Screw press drive combining the characteristics of mechanical and screw presses. (a) Flywheel. (b) Air-operated clutch. (c) Screw. (d) Ram. (e) Lift-up cylinders This press provides a...