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flat die rolling

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Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
... thread rolling and grinding. continuous rolling cutting cylindrical dies die life flaking flat-die rolling grinding internal thread rolling planetary thread rolling radial-infeed rolling rollability seaming tangential rolling thread rolling through-feed rolling warm rolling...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004009
EISBN: 978-1-62708-185-6
... article “Isothermal and Hot-Die Forging” in this Volume). A number of defects or undesirable conditions can develop in the rolling of flat, bar, or shaped products. Broadly, these problems can be attributed to one of four sources: melting and casting practice, metallurgical sources, heating...
Book Chapter

By Robert Bolin
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003982
EISBN: 978-1-62708-185-6
... material is usually round, although round-cornered-square or octagonal billets can be used. When nonround material is used, initial working is required to convert it to round stock. The heated block is placed under the main ram in the center of a flat upper and lower die ( Fig. 26 ). The part is then pre...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003978
EISBN: 978-1-62708-185-6
... deformation die forging macrosegregation material flow open-die forging steel tolerances OPEN-DIE FORGING, also referred to as hand, smith, hammer, and flat-die forging, can be distinguished from most other types of deformation processes in that it provides discontinuous material flow as opposed to...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006285
EISBN: 978-1-62708-169-6
... tend to give a shallower slope. Figure 6 shows the (simulated) temperature and strength evolution during coil annealing in different segments of an aluminum coil. The flat shape in the middle of the annealing curves for strength are extremely important because they determine the ability to meet the...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006283
EISBN: 978-1-62708-169-6
... °C (1000 to 1200 °F). Creep flattening is a method for flattening titanium sheets or plates by sandwiching them between two clean, flat steel sheets in oxidizing, inert, and vacuum atmospheres. Preventative measures to prevent possible bonding to the steel sheets should be incorporated...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009007
EISBN: 978-1-62708-185-6
..., in which a cylindrical specimen is upset into a flat pancake, is usually considered to be a standard bulk workability test. The average stress state during testing is similar to that in many bulk deformation processes, without introducing the problems of necking (in tension) or material reorientation...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004030
EISBN: 978-1-62708-185-6
... article also provides formulas for flat rolling, conical-die extrusion, wire drawing, deep drawing of cups from sheet metal, and bending, and formulas for anisotropic sheet materials. bending conical-die extrusion deep drawing flat rolling sheet metal forming strain strain rate stress...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003144
EISBN: 978-1-62708-199-3
... as well as the three main types of wrought products: flat-rolled products, wire-drawn products, and extruded and forged products. The article also provides a section on the corrosion resistance of zinc and zinc coatings in various atmospheres. corrosion resistance galvanizing iron and steel...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004017
EISBN: 978-1-62708-185-6
... concern in all practical metalworking processes is the friction between the deforming workpiece and the tools and/or dies that apply the force and constrain the shape change. Friction occurs because metal surfaces, at least on a microscale, are never perfectly smooth and flat. Relative motion between such...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009009
EISBN: 978-1-62708-185-6
...-Zr-Mo (TZM) alloy are used for higher temperatures. The diameter of the anvils should be at least three times that of the specimen. The compression platens are made from tool steel, tungsten carbide, TZM, or ceramic composite, depending on the temperature. Compression platens should be flat and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009003
EISBN: 978-1-62708-185-6
.... In this article, consideration is restricted to the shaping of materials by such bulk deformation processes as forging, extrusion, and rolling. The evaluation of workability of a material involves both the measurement of the resistance to deformation (strength) and determination of the extent of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003097
EISBN: 978-1-62708-199-3
... reduction achieved in forging has a marked effect on ductility, as shown in Fig. 3 , which compares ductility in the cast ingot, the wrought (rolled) bar or billet, and the forging. The curves in Fig. 3 (a) indicate that when a wrought bar or billet is flat forged in a die, an increase in forging...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
... “Forging Processes” in this Volume. Most open-die forgings are produced in a pair of flat dies—one attached to the hammer or to the press ram and the other to the anvil. Swage (semicircular) dies and V-dies are also commonly used. These...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004035
EISBN: 978-1-62708-185-6
... closed-die forgings, including finish allowances for machining, length and width tolerances, die-wear tolerance, match tolerances, die-closure or thickness tolerances, straightness and flatness tolerances, radii tolerances, flash-extension tolerances, and surface tolerances. It also contains a convenient...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003981
EISBN: 978-1-62708-185-6
... passed sequentially to forge the desired shape. The roll dies are of three types: flat back, semicylindrical, and fully cylindrical ( Fig. 6 ) and are selected according to the design and manufacturer of the machine. Fig. 5 Roll die with two impressions Fig. 6 Three types of dies used in...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003015
EISBN: 978-1-62708-200-6
... coating is similar to that used to extrude flat film. Figure 20 shows a typical extrusion coating setup, in which thin molten film is pulled down from the extruder into the nip between the chill roll and pressure roll below the die. The pressure between these two rolls forces the film onto the substrate...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003125
EISBN: 978-1-62708-199-3
... Abstract This article discusses the classification, characteristics and temper designations of wrought aluminum alloys. Wrought aluminum products are available as flat-rolled products such as sheets, plates, and foils; rods, bars, and wires; tubular products such as tubes and pipes; extruded...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003133
EISBN: 978-1-62708-199-3
..., drawing, production of flat rectangular wire, annealing, and coating, are discussed. The article also provides information on electrical insulation and jacketing techniques, including polymeric insulation, enamel insulation, and paper-and-oil insulation. continuous casting copper cable copper wire...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
...; drawing; flat, shape, and pack rolling; and ring rolling ( Ref 22 , Ref 23 , Ref 24 ). The simulation of open-die forging processes for billet products (e.g., cogging, radial forging) is particularly challenging because of the size of the workpiece, the large number of forging blows, and workpiece...