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Published: 01 January 2006
Fig. 9 Stretch wrapping of a part around three form blocks to make two reverse bends More
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
... a detailed discussion on four methods of stretch forming, namely, stretch draw forming, stretch wrapping, compression forming, and radial draw forming. bars compression forming radial draw forming sheets stretch draw forming stretch forming stretch wrapping STRETCH FORMING is the forming...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005150
EISBN: 978-1-62708-186-3
... that will accomplish the bending and overcome friction. Finally, the amount of stretch in that segment is calculated, and the amount of wrap length that is needed to start with is determined. Step 4 The task is now to determine the dimensions for the addendum shape, shown as R 1, R 2, and Y in Fig. 15...
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
... used in the forming. It also analyzes the various forming processes of aluminum alloys. The processes include blanking and piercing, bending, press-brake forming, contour roll forming, deep drawing, spinning, stretch forming, rubber-pad forming, warm forming, superplastic forming, explosive forming...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005142
EISBN: 978-1-62708-186-3
... of a sheet or part, usually of uniform cross section, by first applying suitable tension or stretch, then wrapping it around a die of desired shape (see the article “Stretch Forming” in this Volume). When applying this technique to beryllium, the wrapping operation usually takes place quite slowly...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005146
EISBN: 978-1-62708-186-3
..., rubber-pad forming, stretch forming, contour roll forming, creep forming, vacuum forming, drop hammer forming, joggling, and explosive forming. alpha alloys alpha-beta alloys Bauschinger effect cold forming contour roll forming creep forming diffusion bonding drop hammer forming explosive...
Book Chapter

By Paul J. Walsh
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0009241
EISBN: 978-1-62708-195-5
... oriented polymer chains are obtained in PAN by hot stretching, while high orientation in pitch is a natural consequence of the mesophase (liquid crystalline) order. PAN-Based Carbon Fibers The majority of all carbon fibers used today are made from PAN precursor, which is a form of acrylic fiber...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005139
EISBN: 978-1-62708-186-3
..., press-brake forming, press forming, multiple-slide forming, deep drawing, spinning, rubber-pad forming, drop hammer forming¸ three-roll forming, contour roll forming, stretch forming, and bending of tubing. bending blanking contour roll forming deep drawing drop hammer forming formability...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004163
EISBN: 978-1-62708-184-9
... will range in thickness from 0.5 mm (0.020 in.) muffler wraps up to 2 mm (0.080 in.) wall thickness downpipes. Some fabricated stainless steel flanges will measure 3.1 to 4.7 mm (0.125 to 0.187 in.) thick, with flat flanges up to 9.5 mm (0.375 in.). This is the thickest stainless coil plate that is made...
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
... Selection of Bending Method The four most common methods of bending tubing are basically the same as those used in the bending of bars: compression bending, stretch bending, draw bending, and roll bending. The method selected for a particular application depends on the equipment available, the number...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003178
EISBN: 978-1-62708-199-3
... Abstract This article discusses the mechanics, surface preparation and principles of metal forming operations such as drawing, bending (draw bending, compression bending, roll bending, and stretch bending), spinning, and straightening of bars, tubes, wires, rods and structural shapes...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005143
EISBN: 978-1-62708-186-3
..., but at some cost to formability in almost all types of forming operations. Bending Nature of the Operation Many connectors, terminals, and springlike components are fabricated by simple bending operations. Bending is a forming method in which a blanked coupon is wrapped, wiped, or stretched over...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006527
EISBN: 978-1-62708-207-5
... to relatively small radii, one or more reroll operations are required. Stretch or Tension Bending In stretch bending, opposing tensile forces are applied to a workpiece wrapped around a bending form. Bending is accomplished by moving one or both gripper jaws around the bending form. The form may...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006038
EISBN: 978-1-62708-172-6
... of the early innovations (in the 1930s) was the use of a built-up system in which the hot products (asphalt or coal tar) were reinforced by application of a tar-saturated felt mat that was worked into the hot matrix ( Fig. 1 ). The system was completed with a spiral wrap of kraft paper. Coating application...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005103
EISBN: 978-1-62708-186-3
... tendency for coil set exists. However, each succeeding wrap of coil is actually wound onto the diameter represented by the prior wrap, thereby reducing the bending stresses wrap-by-wrap and reducing the tendency for coil set wrap-by-wrap. Thus, coil set, within the coil where it is first formed, is highly...
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...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
... Components of a steel wire rope. Source: Ref 3 Strength and Stretch The ultimate breaking strength of a wire rope is by design less than the aggregate strength of all the wires and will vary, depending on the construction of rope and grade of wire used. All manufacturers of wire rope publish...
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
... of sheet metal forming processes normally also covers a wide range of various processes, the most common one being stamping, but other processes such as tube hydroforming, stretch forming, superplastic forming, and so on are also included in the general topic of sheet metal forming simulation. This article...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003181
EISBN: 978-1-62708-199-3
... forming operations such as bending, mild drawing, or moderate stretch forming. Solution heat treated and artificially aged (T6 temper) alloys are seldom used for forming, other than bending to standard radii and forming of very shallow shapes. Although alloys in the T6 temper are much stronger...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006830
EISBN: 978-1-62708-329-4
... of approximately 1.93 to 1.99 × 10 5 MPa (28,000 to 29,000 ksi). Modulus of elasticity is the measure of the degree to which the wire will stretch under increasing load. The amount of rope stretch caused by the relative movement of all the wires in their attempt to adjust their positions to a stable condition...