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Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005119
EISBN: 978-1-62708-186-3
... Abstract This article discusses the presses, auxiliary equipment, and dies used in the blanking and piercing of commonly used magnetically soft materials, namely, low-carbon electrical steels and oriented and nonoriented silicon electrical steels. It describes the effect of stock thickness...
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
... Abstract Fine-blanking is a hybrid metal forming process that combines the technologies of stamping and cold extrusion. This article describes the three principal design features of the fine blanking process: the vee-ring, clearance between punch and die, and counterforce imposed by the ejector...
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
... Abstract Shearing is a process of cutting flat product with blades, rotary cutters, or with the aid of a blanking or punching die. This article commences with a description of some wear and material factors for tools used to shear flat product, principally sheet. Methods of wear control...
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
... Abstract Many shearing, blanking, and piercing operations are based on the same underlying principles of shear mechanisms. This article provides information on the various operations associated with die cutting and describes three phases involved in the shear cutting or punching action...
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
... Abstract This article discusses the production of blanks from low-carbon steel sheet and strip in dies in a mechanical or hydraulic press. It describes the cutting operations that are done by dies in presses to produce blanks. The applications of blanking methods are described with examples...
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
... Abstract This article begins with a discussion on the fundamentals of cutting. It focuses on blanking and piercing operations in a press tool to form and shape the final part geometry. The types of piercing operations include conventional piercing, piercing with a pointed punch, piece...
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Published: 01 January 2006
Fig. 4 Main differences between conventional blanking and the fine-blanking process More
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Published: 01 January 2000
Fig. 5 Blanking-shear test configuration More
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Published: 01 January 2005
Fig. 30 Blanking and rolling tools used in ring rolling. (a) Tapered indenting punch. (b) Tapered, swing arm mounted indent punch. (c) Press mandrel. (d) Piercing punch and support ring for a blanking press. (e) Typical mandrel for a mid-size mill. (f) Axial roll. (g) Main roll. See text More
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Published: 01 December 1998
Fig. 9 Relief in a blanking die More
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Published: 01 December 1998
Fig. 12 Typical tooling setup for fine-edge blanking a simple shape More
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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
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Published: 01 December 1998
Fig. 16 Blanking and piercing sequence for rotor and stator laminations in a five-station progressive die. Two pilot punches were used at each station. Station 1, pierce pilot holes, rotor slots, and rotor-shaft hole; station 2, pierce stator rivet holes and blank rotor; station 3, pierce More
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Published: 01 January 2006
Fig. 28 Maximum force required for blanking a 25.4 mm (1 in.) diameter slug from 3.2 mm ( 1 8 in.) thick flat naval brass stock (hardness, 62 HRB) More
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Published: 01 January 2006
Fig. 29 Maximum force required for blanking a 25.4 mm (1 in.) diameter slug from 3.2 mm ( 1 8 in.) thick flat stainless steel stock (hardness, 85 HRB) More
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Published: 01 January 2006
Fig. 30 Maximum force required for blanking a 25.4 mm (1 in.) diameter slug from 3.2 mm ( 1 8 in.) thick flat aluminum stock (hardness, 73 HRB) More
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Published: 01 January 2006
Fig. 5 Effect of clearance on burr development in blanking of steel sheet More
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Published: 01 January 2006
Fig. 9 Blanked parts produced with P/M tooling. Parts include blanking of watch cases for wrist watches made from 18-8 stainless steel; fine blanking of components for automobile safety belts. Courtesy of Uddeholm Corp. More
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Published: 01 January 2006
Fig. 12 Lubricant pockets developed in fine blanking by use of appropriately shaped tools More
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Published: 01 January 2006
Fig. 16 Sectional views illustrating typical tools used for blanking and piercing simple shapes. Tooling at left is for short-run production of parts similar to parts 1 and 2 in Fig. 17 made from relatively thin-gage metal. Tooling at right is for longer production runs. More