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mandrel selection

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001263
EISBN: 978-1-62708-170-2
..., cobalt, iron, and copper, providing information on mandrel design and selection, electroforming solutions and operating variables. It discusses the significant aspects of electroforming that demand special considerations, such as metal distribution, internal deposit stress, roughness, and treeing...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003416
EISBN: 978-1-62708-195-5
... Abstract Filament winding is a process for fabricating a composite structure in which continuous reinforcements, either previously impregnated with a matrix material or impregnated during winding, is placed over a rotating form or mandrel in a prescribed way to meet certain stress conditions...
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
... a constant flow of lubricant inside the tube during bending. The lubricant was a mixture of lard oil and low-viscosity mineral oil. Mandrel Materials Most mandrels are made of tool steel (W1, O1, A2, and F1 are typical selections) and hardened to 55 to 60 HRC. Polished mandrels usually work best...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003404
EISBN: 978-1-62708-195-5
... manufacturer in producing a high-quality mandrel. Additional guidelines are provided in ASTM B 832 and the other sources cited in the list of Selected References at the end of this article. The quality of the face coat on the mandrel is important not only to ensure the correct contour, but also...
Book Chapter

By B.P. Bewlay, D.U. Furrer
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005123
EISBN: 978-1-62708-186-3
... in the tailstock and headstock, respectively. Dimensions given in inches The materials used for the mandrels for cone spinning are selected primarily on the basis of the desired mandrel life. The most commonly used materials are cast irons and tool steels; the actual mandrel material selection depends...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003039
EISBN: 978-1-62708-200-6
... with the mandrel rotation to deliver the roving from a wind eye at various winding angles for the selected winding pattern. Currently there is a great variety of winding equipment commercially available to wind helical, polar, or hoop patterns (refer to the section “Winding Patterns” in this article). The bulk...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003178
EISBN: 978-1-62708-199-3
.... The article also discusses the machines and tools, including dies and mandrels, and lubricants used for these metal forming operations. bars bending drawing forming rods spinning straightening tubes wires Wire, Rod, and Tube Drawing IN THE DRAWING PROCESS, the cross-sectional area...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001382
EISBN: 978-1-62708-173-3
...°. It is important for the latter angle to be less than that of the groove in order to limit the initial peak torque and also to promote metal flow from the bottom of the groove in an outward direction toward the outside diameter. Optimum angles for selected sizes of tubes and pipes are determined experimentally...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003983
EISBN: 978-1-62708-185-6
.... It describes the types of rotary swaging machines, auxiliary tools, and swaging dies used for rotary swaging and the procedure for determining the side clearance in swaging dies. The article presents an overview of automated swaging machines and tube swaging, with and without a mandrel. It analyzes the effect...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003418
EISBN: 978-1-62708-195-5
... a light sanding/polishing operation after curing. In addition, the process uses inexpensive durable mandrels. Part shapes can be cylindrical, conical, circular, oval, or any combination of these shapes. Fiber orientation can range from 0 to 90°. Disadvantages include size limitation and higher material...
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
..., radial-axial horizontal rolling machines, four-mandrel mechanical table mills, three-mandrel table mills, and automatic radial-axial multiple-mandrel ring mills. The article provides a discussion on the process control technology and ancillary operations of ring rolling. It describes the methods...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004014
EISBN: 978-1-62708-185-6
... to the outside diameter of a cylindrical preform, attached to a rotating mandrel. Compression is applied by a combination of axial and radial forces using a set of three or four rollers that are simultaneously moved along the length of the rotating preform, flowing the material plastically in both radial...
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
... that generally denotes cold forming of plate, sheet, bars, beams, pipe, or angular cross section lengths into selected shapes by passing the metal workpiece between three correctly spaced rolls ( Ref 1 , 5 ). The roll forming process employs pairs of small opposed rollers to shape a cylindrical workpiece...
Book Chapter

By H.W. Sizek
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003984
EISBN: 978-1-62708-185-6
... axisymmetric bars can also be produced with a radial forge. Coupled with mandrels, tubing and other hollows can also be produced on the radial forge. In part production, radial forging is used to form axial symmetric solids or hollows with complex external and/or internal contours. These parts can be forged...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002465
EISBN: 978-1-62708-194-8
... are initially optimized approximately by the “rule of mixtures” to help meet the composite properties needed for the design application engineering criteria for product operation and performance. In addition, the selection of the ratio of matrix to reinforcement constituents is influenced by the loading...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006534
EISBN: 978-1-62708-207-5
... alloy. For this reason, the maximum exit speed ( V max in Fig. 15 ), which ensures obtaining a product without surface tearing, has been frequently suggested as a measure of extrudability. An additional advantage of selecting maximum exit speed as a measure of extrudability is the fact...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... for Autoclave Molding In selecting materials for use in preparing a laminate for curing, cure temperatures and pressures must be considered, as well as compatibility of the processing materials with the matrix system. The importance of proper techniques and materials in layup preparation cannot...
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...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004008
EISBN: 978-1-62708-185-6
... without a mandrel ( Fig. 3 ), also called tube sinking, the tube is initially pointed to facilitate feeding through the die; it is then reduced in outside diameter while the wall thickness and the tube length are increased. The magnitudes of thickness increase and tube elongation depend on the flow stress...
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
..., and such forgings are produced only under unusual circumstances. Generally, most open-die forgings can be grouped into four categories: cylindrical (shaft-type forgings symmetrical about the longitudinal axis), upset or pancake forgings, hollow (including mandrel and shell-type forgings), and contour-type forgings...