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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
.... 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 extrusion dies edge...
Image
Published: 01 December 1998
Fig. 12 Typical tooling setup for fine-edge blanking a simple shape More
Image
Published: 01 December 1998
Fig. 13 The fine-edge blanking process. (a) Work material is fed into the die. 1, work material; 2, die plate; 3, punch; 4, piercing punch; 5, ejector/counterpunch; 6, impingement ring; 7, slug ejector. (b) The die closes, and the V-shaped impingement ring is embedded into the work material More
Image
Published: 01 January 2006
Fig. 25 Typical tooling setup for fine-edge blanking of a simple shape More
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...
Image
Published: 01 January 2006
Fig. 11 Edge quality comparison. Top: Fine-blanking: Full shear, 50 RMS; less than 1° tape. Bottom: Conventional stamping: up to 80% die break; taper as great as 30° More
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.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...
Image
Published: 01 January 2006
Fig. 3 A complete fine-blanking process. (a) Strip stock is fed into position when the tool is open. (b) Pressure is applied, closing the tool and embedding the vee-ring (also called stinger plate) into the stock. This prevents the material from flowing away from the punch, thus aiding More
Image
Published: 01 January 2006
Fig. 16 Comparison of suitable and unsuitable 1045 steel microstructure for fine-blanking and the resulting blanked edges. Source: Ref 1 More
Image
Published: 01 January 2006
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 More
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: 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...
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
... 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 in the etchant...
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
... conversion of graphite to diamond, or HBN to CBN, can be done on a commercial scale using explosive shock techniques ( Ref 9 ). The process is relatively simple but produces only fine-grain materials, which are principally used as polishing powders or as possible source materials for sintering...
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: 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: 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.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...