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conical-feed dies

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003429
EISBN: 978-1-62708-195-5
...Abstract Abstract This article discusses the dies, such as shear-face dies, conical-feed dies, and bridge dies, that are used in extrusion of particle-reinforced aluminum composites. It provides an overview of the effects of reinforcements on the properties of aluminum composites. shear...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
... or annular forms by rolling the impression of hardened steel dies into the surface of a cylindrical or conical blank. Methods that use cylindrical dies are classified as radial infeed, tangential feed, through feed, planetary, and internal. This article focuses on the capabilities, limitations, and machines...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001104
EISBN: 978-1-62708-162-7
... conditions (b) and with the possibility of large cutting angles (a) In each letter category, low designation numbers are for high speeds and light feeds; higher numbers are for slower speeds and/or heavier feeds. Also, increasing designation numbers imply increasing toughness and decreasing wear...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... production trials ( Ref 53 ). The methodology used in this software provides insight into CAD/CAM of extrusion dies. This approach is described in the following section and is reproduced from Ref 53 . This approach is based on a feed-forward design methodology, which is in opposition to the traditional...
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
..., then the formability can be improved. Process parameters, such as the feed rate and the rotational speed, have a less significant effect on the spinnability. The best quality for most components is achieved when spinning at high speeds. The minimum surface speed considered to be practical for metal spinning...
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
.... Material near the outer portions of the wall thickness is displaced, while material near the center of the wall is relatively undisturbed. Fig. 26 Schematic showing blank preparation using open dies and a two-station press. (a) Billet centered on press table. (b) Billet upset. (c) Upset blank...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002187
EISBN: 978-1-62708-188-7
... and Feeds Dies Speed Alloys Machinability Turning and Boring Drilling Reaming Tapping Die Threading Milling Sawing Cutting Fluids Built-Up Edges Cutting Tools Hard Spots Turning Tool Angles Turning Speeds and Feeds Boring Cutter Designs Milling...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005158
EISBN: 978-1-62708-186-3
... delivery times. Dies for printed-circuit boards, for which the automatic wire-feed option eliminates burrs—an advantage in unattended operation. Two systems—orbital abrasive grinding and the proprietary SoneX process (ExOne Co.)—are specifically designed for machining of graphite electrodes. Both...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006085
EISBN: 978-1-62708-175-7
... extrusion where the working principle employed involves driving a continuous supply of stock up to the die orifice by frictional gripping forces ( Ref 46 , 47 , 48 ). The die is positioned at the far end of an open chamber admitting the continuous material feed. Conform Process While elevated...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005121
EISBN: 978-1-62708-186-3
...-action and double-action dies Fig. 19 Setups using internal blankholders for restraint of work metal in redrawing shells. See text for details. Fig. 20 Die in which draw rings and punches can be replaced for producing three successive redraws. Dimensions given in inches Fig...
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
... is to cover the nip point between the feed rolls. One effective guarding device is a solid metal plate covering the nip point between the feed table and the rolls for the full length of the rolls. This plate, with a stud welded to each end, is attached to slotted vertical brackets by nuts and washers so...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005117
EISBN: 978-1-62708-186-3
... scrap at the beginning and end of the strip. End scrap is less important when coil stock is used, because of the greater length of material. The method selected for cutting the blanks from strip or coil may also provide means for material economy. By feeding a strip through the die twice, it may...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002142
EISBN: 978-1-62708-188-7
..., through-feed rolling, planetary thread rolling, continuous rolling, and internal thread rolling, as well as the rolling machines and dies used. The article describes the factors affecting die life and provides information on radial die load, seam formation, surface finish, and thread dimensions...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004013
EISBN: 978-1-62708-185-6
... components. Figure 15 is an illustrative example in which a composite consisting of an array of “M”-shaped regions of alumina in a carbon black matrix was formed by multiple coextrusion of a feed rod molded into the appropriate shape using plastic precursor materials ( Ref 12 , Ref 13 , Ref 14...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005153
EISBN: 978-1-62708-186-3
... in Ref 1 to define the relationship between the binder force and the clamp force. A proportional plus integral controller with feed-forward action (PIF) was successfully implemented in the forming press ( Ref 2 ). The controller was designed to ensure good tracking performance in the feedback control...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.9781627081979
EISBN: 978-1-62708-197-9
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... to be selected also depend upon the method and direction of feeding, the size of sheet, coil stock, blank, or workpiece to be formed, the type of operation, and the strength and other characteristics of the material being formed. Material or workpiece handling and die accessibility generally determine whether...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005204
EISBN: 978-1-62708-187-0
..., and smooth surface are remelted by vertical feeding ( Fig. 3 ). The molten metal droplets run down the conical, rotating electrode tip, are refined, and then drop into the pool center. The crucible pool is normally of the same diameter as the electrode, but it is not necessary. The crucible pool is kept...
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
... fitted with hardened steel blades for longer life have been used. Outfitted with a creel for material feed, paper cutters can be a very efficient method of cutting large quantities rapidly. A method for cutting angle sheets ( Fig. 2 ) has been used for many years to cut huge quantities of angle sheets...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005277
EISBN: 978-1-62708-187-0
... the best current practice. Naturally, it is of no use to incorporate the best designs of filling and feeding systems if the original melt is of such poor quality, or perhaps already damaged, that a good casting cannot be made from it. It is a requirement that either the process for the production...