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rotary piercing

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003132
EISBN: 978-1-62708-199-3
... Abstract This article discusses the applications and tensile properties of selected copper tube alloys, as well as the methods for producing copper tubular products, namely extrusion and rotary piercing. It explains the methods available for the finishing of copper tubular products...
Image
Published: 01 January 2005
Fig. 4 Schematic illustration of rotary tube piercing process More
Image
Published: 01 November 2010
Fig. 4 Schematic illustration of rotary tube piercing process More
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003096
EISBN: 978-1-62708-199-3
... available in outside diameters of up to 3 m (120 in.). Seamless Processes Steel tubular products produced by the seamless processes are made in diameters up to 0.67 m (26 in.) by the rotary piercing method and up to 1.2 m (48 in.) by hot extrusion. Rotary Piercing In rotary piercing, rounds...
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
... in more detail in the article “Shearing of Sheet, Strip, and Plate” in this Volume. General aspects are also described in the article “Principles of Shearing, Blanking, and Piercing” in this Volume. Fig. 1 Conventional arrangement of cutters in a rotary shearing machine, for production...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001020
EISBN: 978-1-62708-161-0
... by the capability of the forming equipment, and double submerged-arc welded pipe is currently available in outside diameters of up to 3 m (120 in.). Seamless Processes Steel tubular products produced by the seamless processes are made in diameters up to 2 3 m (26 in.) by the rotary piercing method...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005165
EISBN: 978-1-62708-186-3
... the components of multiple-slide rotary forming machines involved in the blanking and forming of strip stock. It describes a complicated application of the two-level forming, with an example. multiple-slide forming multiple-slide rotary forming machines strip MULTIPLE-SLIDE FORMING is a process...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005134
EISBN: 978-1-62708-186-3
..., conventional mechanical and hydraulic presses, horizontal bending machines, rotary benders, and bending presses. The article illustrates the tools used in bending and other bending process. It also tabulates the lubricants required for bending specific metals. bending bending presses compression...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005109
EISBN: 978-1-62708-186-3
... Abstract This article illustrates the characteristics of pierced holes and summarizes the hole wall quality. Specific guidance in selecting die clearances is provided by considering the types of edges produced with different clearances. The article discusses the effect of tool dulling...
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
... produce parts with sharp contours or depressions. It is primarily used to make aircraft skin panels, window frames, and automotive door panels. The four methods of stretch forming are: Stretch draw forming ( Fig. 1a and b ) Stretch wrapping, also called rotary stretch forming ( Fig. 1c...
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
... a tolerance of ±0.13 mm (±0.005 in.). Closer tolerances on blanks can be obtained at increased cost by using rotary-head millers or jig boring machines in constructing the dies. Because holes and slots made by steel-rule blanking are pierced with conventional punch and die elements that are added...
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: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005177
EISBN: 978-1-62708-186-3
... for contour roll forming. Simple V-bends or more intricate shapes can be formed in a press brake. Operations such as blanking, piercing, lancing, shearing, straightening, embossing, beading, wiring, flattening, corrugating, and flanging can also be carried out in a press brake. Information on press-brake...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004021
EISBN: 978-1-62708-185-6
... metalforming processes are transient, the updated Lagrangian method has been the primary FEM method for metalforming applications. Using this method for certain steady-state processes such as extrusion, shape rolling, and rotary tube piercing, however, may not be computationally efficient. In these special...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005539
EISBN: 978-1-62708-197-9
... such as extrusion, shape rolling, and rotary tube piercing, however, may not be computationally efficient. In these special applications, the arbitrary Lagrangian Eulerian (ALE) method recently has been used with great success. Heat-Transfer Model The heat-transfer model solves the energy balance equation...
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
..., and piercing (for example, see the articles “Blanking of Low-Carbon Steel” and “Piercing of Low-Carbon Steel” in this Volume). The choice of forming method depends on the desired size, configuration, and production quantities of a part. For example, press forming (where a punch presses the workpiece...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... on computer-aided design in the forging industry. Additionally, the article reviews specific characteristics, process limitations, advantages, and disadvantages of the most common forging processes, namely hot upset forging, roll forging, radial forging, rotary forging, isothermal and hot-die forging...
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
... rotary discs mounted on rotating arbors. These knife sets mesh as the metal passes between them and shear it into a variety of widths. Slitter knife sets are assembled on arbors. The sets are assemblies of disc knives, cylindrical metal and rubber fillers, and shims. Clearance between the opposing knife...
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
... is the process of axial closed die rolling (rotary or orbital forging). In this machine, a punched blank, solid disk or prerolled ring produced on conventional ring rolling equipment is worked between inclined-rotating dies. Annular forgings of very accurate dimensions, and in a range of complex cross sections...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006501
EISBN: 978-1-62708-207-5
... or to other materials can be grouped into six general categories: Nails, staples, and other driven fasteners Solid, semitubular, hollow, and self-piercing rivets Threaded fasteners Blind fasteners (meaning that a hole or joint is accessible from one side only) Swaged collar fasteners (also...