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fine-edge blanking

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Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005110
EISBN: 978-1-62708-186-3
... by the ejector. It discusses the advantages and disadvantages of edge blanking and materials. The article reviews the classification of fine-blanking dies such as the moving-punch system and the fixed-punch system, and provides information on the mechanical and hydraulic fine-blanking presses. cold...
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
...-forming operations, namely, rectangular blank, rough blank, partially developed blank, and fully developed blank. It concludes with a discussion on the process capabilities, applications, and limitations of fine-edge blanking and piercing. blanking cam piercing conventional piercing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... of ferrous 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...
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
... in this article. Fine-edge blanking is treated in the article “Fine Edge Blanking” in this Volume. The applications of these methods are described in examples throughout this article. Other examples of these methods of producing blanks are provided in the articles “Piercing of Low-Carbon Steel,” “Blanking...
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
... is scrap, while in blanking the workpiece is punched out. Additional information on piercing is available in the articles “Blanking of Low-Carbon Steel,” “Fine- Edge Blanking,” “Forming of Carbon Steels,” and “Blanking and Piercing of Electrical Steel Sheet” in this Volume. The term piercing...
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
... on the punch side surface. Fig. 2 Schematic of the shearing process. (a) Side view of cut edge. (b) Torn edge with less than optimum clearance. (c) Blankholder for fine blanking The resulting cut surfaces are neither perpendicular nor very smooth—at best, peak-to-valley roughness ( R t...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005528
EISBN: 978-1-62708-197-9
... of research and development issues, has been on punch force-displacement relations for reducing energy consumption as well as blade penetration. However, critical concerns with industrial applications of such processes as blanking, trimming, and piercing are burr formation, cut-edge quality, sliver or fine...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001106
EISBN: 978-1-62708-162-7
... variable for the end user is the average grain size, which is separated into three grades in Fig. 13 : fine (average diamond grain size, 4 μm), medium (5 μm), and coarse (25 μm). As shown in Fig. 13 , differences in grain size can cause variations in abrasion resistance, grindability, and workpiece...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002171
EISBN: 978-1-62708-188-7
... in.), but larger production capability is readily available. Some of the qualities of a metal that produce good parts with the PCM process are: A grain size that is as fine as possible, because the smoothness of the edges of the parts decreases with increased grain size A metal that is soluble...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006425
EISBN: 978-1-62708-192-4
... are not smooth, various processes such as fine blanking have been utilized to solve the problem, as shown in Fig. 6(a) . These processes ensure that the entire sheet thickness is plastically sheared by imposing compressive stresses, delaying crack initiation. Although various factors affect shearing ( Ref 12...
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
... to 20% fatty oil Tallow plus 50% paraffin Tallow plus 70% paraffin Mineral oil plus 10 to 15% sulfurized fatty oil and 10% fatty oil Dried soap films or wax films Fat emulsions in aqueous soap solutions with finely divided fillers Mineral oil with sulfurized fatty oil, fatty oil...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002170
EISBN: 978-1-62708-188-7
..., usually with different reaction rates. The etching mechanism is discussed in Ref 1 (see Fig. 6 ). Fig. 6 The microeffect of etching action at the surface of a material Fine grain size and homogeneous structure are necessary if fine surface finishes and uniform appearance...
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
... preparation for laser welding Short laser welds, electron-beam welds, and induction welds can be made with die-cut blanks if the dies are constructed to a standard similar to fine blanking. These standards demand more stringent tolerances than normal blanking dies. Die clearances that are normally...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005116
EISBN: 978-1-62708-186-3
... is removed to eliminate the fracture angle. Another is the fine blanking process, in which a special press or die set is used to compress the material in the shear plain during the cutting cycle and thus eliminate the fracture angle. Deformation The type, hardness, and thickness of the material all...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005167
EISBN: 978-1-62708-186-3
...-strengthened materials that resist grain growth at high temperature. These alloys have fine grain structure and elongate uniformly for forming and drawing operations. Surface Contamination The most common causes of surface contamination are failure to clean the surface properly and failure to provide...
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
... for a choice in the orientation of the blank for the can-opener blade shown in Fig. 12 . Because an orientation that would favor the bends would have meant a cross-grain surface on the cutting edge, with consequent poor wearing quality, the blank was oriented so that the grain favored the cutting edge...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002485
EISBN: 978-1-62708-194-8
... in a workpiece. Examples of the former include fine wire drawing, bending of fine wire, and sheet-forming processes. Primary examples of the latter are sheet-metal-forming processes or bending of heavily drawn wire where crystallographic texture plays a dominant role. An additional complication is the fact...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003194
EISBN: 978-1-62708-199-3
.... Two processes involved: chemical milling, chemical blanking Fine abrasive particles carried in a high velocity gas stream are used to machine and grind materials Equipment Chemical milling: Large or small, thick parts; masking facilities, corrosion resistant processing tanks and fixtures, vented...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005163
EISBN: 978-1-62708-186-3
... strength is achieved by rapid cooling to produce a very fine ferrite grain size; by solid-solution strengthening with phosphorus, nitrogen, silicon, and manganese; and by formation of carbides or carbonitrides with vanadium, nickel, and titanium. These steels have better mechanical properties, corrosion...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002127
EISBN: 978-1-62708-188-7
... when using conventional cutting tool materials Matrix microstructure Brinell hardness, HB Tool life index Ferrite 120 20 50% ferrite + 50% pearlite 150 10 Coarse pearlite 195 2 Medium pearlite 215 1.5 Fine pearlite 218 1 Fine pearlite + 50% free ferrite 240 0.3...