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Book Chapter

By Soumya Subramonian
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500001
EISBN: 978-1-62708-317-1
... Abstract This chapter provides an overview of the blanking process and the forces and stresses involved. It discusses the factors that affect part quality and tool life, including punch and die geometry, stagger, clearance, and wear as well as punch velocities, misalignment, and snap-thru...
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Published: 01 August 2012
Fig. 2.14 Blanking. Source: Ref 2.4 More
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Published: 01 August 2012
Fig. 9.18 Snap-through. (a) Load-time curve for typical blanking operation. Source: Ref 28. (b) Effect of snap-through to press motion. Recreated after Ref 9.29 More
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Published: 01 August 2012
Fig. 11.12 Relation between noise level and stopping position of punch in blanking high-strength carbon steel (tensile strength = 440 MPa (64 ksi)) with variable punch speed. Source: Ref 11.13 More
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Published: 01 August 2012
Fig. 11.14 Burr height sheet thickness ratio obtained in blanking with a servo and conventional mechanical press. Source: Ref 11.9 More
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Published: 01 August 2012
Fig. 11.15 Tooling designed for precision blanking (tool design by Todo Kogyo). Source: Ref 11.9 More
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Published: 01 August 2012
Fig. 11.16 Process sequence in precision blanking. Source: Ref 11.15 More
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Published: 01 August 2012
Fig. 12.21 Hydraulic fine blanking press. Source: Ref 12.1 More
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Published: 01 August 2012
Fig. 11.9 Principle of an electromagnetically-driven blanking press (die cutter) according to German patent DE 1955400. PPG, pulsed power generator More
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Published: 01 August 2012
Fig. 11.19 Example parts manufactured by blanking and piercing. Source: Ref 11.52 , 11.71 More
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Published: 01 August 2012
Fig. 1.1 Schematic of blanking and piercing More
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Published: 01 August 2012
Fig. 1.2 Phases of the blanking process. Source: Ref 1.1 More
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Published: 01 August 2012
Fig. 1.3 Force distribution in the workpiece during blanking. Source: Ref 1.2 More
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Published: 01 August 2012
Fig. 1.4 Load-stroke curve of a blanking/piercing operation More
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Published: 01 August 2012
Fig. 1.6 Punch geometries used in blanking. Adapted from Ref 1.3 More
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Published: 01 August 2012
Fig. 1.8 Effect of punch-die clearance on part edge quality in blanking DP590 steel of 1.4 mm (0.06 in.) thickness. Source: Ref 1.4 More
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Published: 01 August 2012
Fig. 1.10 Effect of tool wear and blanking clearance on part edge quality as predicted by simulations on 0.58 mm (0.02 in.) thick copper alloy. Source: Ref 1.6 More
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Published: 01 August 2012
Fig. 1.12 Die geometries and sheared dies used in blanking. Adapted from Ref 1.3 , 1.8 More
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Published: 01 August 2012
Fig. 1.19 Schematic of fine blanking process. Source: Ref 1.19 More
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Published: 01 August 2012
Fig. 1.20 Stages in the fine blanking process. Source: Ref 1.19 More