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stretch draw forming

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Published: 01 January 2006
Fig. 7 Production of an automobile rear-deck lid in a stretch draw forming press. (a) Sheet metal blank is tensioned by grippers moving apart. Grippers move down, stretching the workpiece over the lower die. (b) Upper die descends onto the workpiece, pressing the metal into both dies to form More
Image
Published: 01 January 2006
Fig. 3 Stretch draw formed automobile roof. Dimensions given in inches More
Image
Published: 01 January 2006
Fig. 8 Beaded truck-cab roof that was stretch draw formed with mating dies. Dimensions given in inches 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...
Image
Published: 01 January 2006
Fig. 15 Stretching and drawing. (a) Stretch forming. (b) Deep drawing. Source: Ref 1 More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005149
EISBN: 978-1-62708-186-3
... testing, and simulative tests such as bending tests, stretching tests, the Ohio State University test, the drawing test, and stretch-drawing tests. It extends the correlation between simulative tests and materials properties using forming limit diagrams and circle grid analysis, and discusses...
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
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...
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: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005179
EISBN: 978-1-62708-186-3
... Abstract This article introduces process factors that influence die wear and lubrication for metal forming operations such as bending, spinning, stretching, deep drawing, and ironing. It discusses the effects of part shape, sheet thickness, tolerance requirements, sheet metal, and lubrication...
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...
Image
Published: 01 January 2006
Fig. 3 The forming limit diagram. In real forming operation, the material experiences stretching in both directions, as illustrated by the “Stretch” circle; stretching in only one direction, as illustrated by the “Plane strain” circle; or stretching in one direction while reducing in the other More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005101
EISBN: 978-1-62708-186-3
... and their general geometric features. These operations include hole making, flanging, bead and rib forming, and stretching and drawing for shallow or deep recesses. The article illustrates the general approach to design for sheet forming and the considerations that must be made for material savings...
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
... beryllium. The article discusses the role of lubrication, blank development, tool designs, and strain rates, in deep drawing. It also provides information on the tooling and applications of three-roll bending, stretch forming, and spinning. beryllium blank development deep drawing dies formability...
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
... to the bending of bar or tubes include draw bending, compression bending, roll bending, stretch bending, and ram-and-press bending. Bending methods unique to pipe or tube include wrinkle bending and roll-extrusion bending. Draw Bending In draw bending, the workpiece is clamped to a rotating form and drawn...
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
..., as illustrated by the “Stretch” circle; stretching in only one direction, as illustrated by the “Plane strain” circle; or stretching in one direction while reducing in the other direction, as illustrated by the “Draw” circle. The forming limit shows the conditions at which the material will start to neck, after...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005144
EISBN: 978-1-62708-186-3
... and the lubricants used in the processes. It discusses the various forming processes of magnesium alloys. These include press-brake forming, deep drawing, manual and power spinning, rubber-pad forming, stretch forming, drop hammer forming, and precision forging. cold forming deep drawing drop hammer forming...
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
... Abstract This article reviews the general characteristics of copper and copper alloys and explains how these characteristics affect the behavior of strip in different types of forming operations. These forming operations include blanking, piercing, bending, drawing and stretch forming, spinning...
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
... that can occur without splitting. The article reviews various bending methods, such as draw, compression, ram and press, roll, and stretch or tension bending. It describes the process variations of incremental sheet forming (ISF), such as single-point incremental forming, two-point incremental forming...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005129
EISBN: 978-1-62708-186-3
... such as the orientation of weld relative to metal movement in dies, the formability of TWB materials, die and press considerations, and specific factors for the drawing, stretching, and bending of steel tailor-welded blanks. bending drawing formability forming stretching tailor-welded blanks welding...