1-20 of 86 Search Results for

pinch-roll machine

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
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005125
EISBN: 978-1-62708-186-3
..., namely, the pinch-roll type and the pyramid-roll type. It also lists the advantages of the pinch-roll machine, as compared to the pyramid-roll machine. The article analyzes the hot forming and cold forming processes for carbon or low alloy steel. It explains the procedure for forming truncated cones...
Image
Published: 01 January 2006
Fig. 10 Out-of-roundness variations in 44 cylinders of the same diameter produced in a pinch-type roll machine. Dimensions given in inches More
Image
Published: 01 January 2006
Fig. 2 End view of a cylindrical workpiece being rolled in a conventional pinch-type machine. Note the large flat area on the leading end and the smaller flat area on the trailing end. More
Image
Published: 01 December 1998
Fig. 38 End view of a cylindrical workpiece being rolled in a conventional pinch-type machine. Note large flat area on leading end, and smaller flat area on trailing end. More
Image
Published: 01 January 2006
Fig. 7 Interrelationship of cylinder height ( h ), thickness ( t ), and work metal strength for forming in a single pass in a pinch-type roll machine at room temperature. TS, tensile strength; YS, yield strength More
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
... in the bubble cannot escape because it is sealed by the die at one end and by the nip (or pinch) rolls at the other. Thus, it acts like a permanent shaping mandrel once it has been injected. An even pressure of air is maintained to ensure uniform thickness of the film bubble. Fig. 14 Typical blown-film...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004010
EISBN: 978-1-62708-185-6
... in Fig. 1 . A photograph of a typical mill that practices axial roll forming is shown in Fig. 2 . Some radial deformation of the component can also be affected by radial movement of the rollers perpendicular to the axis of rotation of the component. Cold roll forming machines have been produced...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005108
EISBN: 978-1-62708-186-3
... by piercing and forming. Fig. 3 Layout for the cutoff of four blanks at each press stroke from notched and seminotched strip. Dimensions given in inches The coiled strip of galvanized hot rolled 1006 steel was 1.90 mm (0.075 in.) thick by 495 mm (19.5 in.) wide. This was wide enough for two...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005112
EISBN: 978-1-62708-186-3
... of steel is the straight-line relationship to the yield point ( Fig. 7 ). This provides a big safety factor in the event that the machine is overloaded. Another advantage of steel is that it is basically easier to repair than cast iron. The steel plate used in presses comes as a homogeneous rolled plate...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... or nonferrous metals. The article reviews the various types of forming processes such as blanking, piercing, fine-edge blanking, press bending, press forming, forming by multiple-slide machines, deep drawing, stretch forming, spinning, rubber-pad forming, three-roll forming, contour roll forming, drop hammer...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003987
EISBN: 978-1-62708-185-6
... the compressive yield strength and multiplying three to five times this value by the coined area of the part. Strip of closely controlled thickness used in high-speed coining machines is frequently produced by rolling from round wire. The strain history and consequent strain-hardening behavior...
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 bend axis is parallel to the rolling forgings are desired and the cost of machining per square inch of minimum cross section, or direction of the sheet. each part to its nal shape is not excessive. other equivalent. See also fracture stress. Bridgman correction. Factor used to obtain the biaxial...
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: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005177
EISBN: 978-1-62708-186-3
... Abstract This article discusses the principles of the press-brake forming process and its applicability with an example. It describes the types of press brakes and examines some considerations, which help in the selection of machine. The article provides information on flattening dies...
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: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005135
EISBN: 978-1-62708-186-3
... applications. Dies Dies used in press-type bending machines are similar to those described in the article “Bending of Bars and Bar Sections” in this Volume. Dies, including wing dies for bending presses, may have grooves for one to six tubes to be bent in one press stroke. Formed Rolls Formed...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001066
EISBN: 978-1-62708-162-7
... and welding. In copper-zinc alloys (brasses), the effects of various impurities are as follows: Lead should be kept under 0.01% for hot rolling, although additions of lead up to 4% improve machinability in material processed by extrusion and cold working. Lead lowers room-temperature ductility...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003132
EISBN: 978-1-62708-199-3
..., and various formed or machined fittings. In marine service, copper tube and pipe are used to carry potable water, seawater, and other fluids, but their chief application is in tube bundles for condensers, economizers, and auxiliary heat exchangers. Copper tube and pipe are used in food and beverage industries...
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
... undesirable growth of one or sion. See also extrusion. a small fraction of grains in a poly- anisotropy. Variations in one or more physical crystalline material during annealing. The or mechanical properties with direction. See bar. (1) A section hot rolled from a billet to a phenomenon is most frequent...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005122
EISBN: 978-1-62708-186-3
... Abstract Stretch forming is the forming of sheet, bars, and rolled or extruded sections over a die or form block of the required shape while the workpiece is held in tension. This article discusses the applicability, advantages, and machines and accessories of stretch forming. It provides...