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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...
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.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.a0005109
EISBN: 978-1-62708-186-3
... Abstract This article illustrates the characteristics of pierced holes and summarizes the hole wall quality. Specific guidance in selecting die clearances is provided by considering the types of edges produced with different clearances. The article discusses the effect of tool dulling...
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
... cutters. The article also discusses the selection of materials for blanking and piercing dies and provides examples that illustrate the various types of tooling changes for blanking high-carbon steel. blanking coatings cold shearing high-carbon steel hot shearing lubrication piercing dies...
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Published: 01 January 1990
Fig. 19 Piercing stage in the manufacture of seamless tubes. Source: Ref 19 More
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Published: 01 January 1990
Fig. 10 Schematic diagram of metal piercing. Arrows indicate direction of motion. More
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Published: 01 January 2005
Fig. 4 Schematic illustration of rotary tube piercing process More
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Published: 01 January 2005
Fig. 5 Three forgings that illustrate forged cavities produced by piercing. (a) Conventional, (b) and (c) seamless forging (cored), together with a (d) typical forging sequence for the production of ring gears. Dimensions given in inches More
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Published: 01 January 2005
Fig. 15 Sequence of operations in the forging and piercing of a circular blank. OD, outer diameter; ID, inner diameter. Dimensions in figure given in inches Stock preparation Cold sawing Stock size 305×254×254 mm (12×10×10 in.) Stock weight 154 kg (340 lb) Size of ring saddle More
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Published: 01 January 2005
Fig. 10 Gear blank produced by four-pass hot upsetting and piercing in the tooling arrangement shown, with almost no metal loss and no trimming required. Dimensions given in inches More
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Published: 01 January 2006
Fig. 2 Hole making by (a) punching, (b) punching and expansion, and (c) piercing. Source: Ref 1 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
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Published: 01 January 2006
Fig. 6 Combined trimming and piercing More
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Published: 01 January 2006
Fig. 7 Water pressures and garnet abrasive flow rates versus piercing times for 9.5 mm ( 3 8 in.) thick 6061-T6 aluminum. Source: Department of Industrial and Manufacturing Engineering, University of Rhode Island More
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Published: 01 January 2006
Fig. 8 Water pressure and garnet abrasive flow rates versus piercing times for 6.4 mm ( 1 4 in.) thick type 304 stainless steel. Source: Department of Industrial and Manufacturing Engineering, University of Rhode Island More
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Published: 01 January 2006
Fig. 9 Garnet abrasive flow rates and section thickness versus piercing times for 6061-T6 aluminum at a water pressure of 207 MPa (30 ksi). Source: Department of Industrial and Manufacturing Engineering, University of Rhode Island More
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Published: 01 January 2006
Fig. 10 Two views of various thicknesses of 6061-T6 aluminum used in piercing studies with varying water pressure and garnet flow rates used on each thickness. (a) Three-dimensional view of workpiece showing varying thickness of 640 mm (2 ft) long slab before piercing. From left to right, slab More
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Published: 01 January 2006
Fig. 14 Blanking and piercing die More
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Published: 01 January 2006
Fig. 16 Types of piercing operations More