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Book Chapter

Deep Drawing of Round and Rectangular Cups

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By Nimet Kardes
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400105
EISBN: 978-1-62708-316-4
... Abstract This chapter provides a detailed analysis of the deep drawing process. It begins by explaining that different areas of the workpiece are subjected to different types of forces and loads, equating to five deformation zones. After describing the various zones, it discusses the effect...
Abstract
This chapter provides a detailed analysis of the deep drawing process. It begins by explaining that different areas of the workpiece are subjected to different types of forces and loads, equating to five deformation zones. After describing the various zones, it discusses the effect of key process parameters including the draw ratio, material properties, geometry, interface conditions, equipment operating speed, and tooling. It then walks through the steps involved in predicting stress, strain, and punch force using the slab method and finite element analysis and presents the results of simulations conducted to assess the influence of blank diameter, thickness, and holding force as well as strain-hardening and strength coefficients. It also discusses the cause of defects in deep drawn rectangular cups and presents the case study of a deep drawn rectangular cup made from an aluminum blank.
View PDF for content titled, <span class="search-highlight">Deep</span> <span class="search-highlight">Drawing</span> of Round and Rectangular Cups
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(a) Deep drawing process. (b) Various states of stress in deep drawing

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in Plastic Deformation: State of Stress, Yield Criteria Flow Rule, and Hardening Rules > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 5.1 (a) Deep drawing process. (b) Various states of stress in deep drawing More
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Deep drawing of a cylindrical cup. (a) Before drawing. (b) After drawing. S...

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in Forming > Metals Fabrication: Understanding the Basics
Published: 01 November 2013
Fig. 22 Deep drawing of a cylindrical cup. (a) Before drawing. (b) After drawing. Source: Ref 13 More
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Drawing operations: (a) single deep drawing with blank holder; (b) redrawin...

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in Classification and Description of Sheet Metal Forming Operations > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 2.15 Drawing operations: (a) single deep drawing with blank holder; (b) redrawing; (c) reverse drawing. Source: Ref 2.4 More
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Tool geometry used in deep drawing of a round cup

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in Process Simulation > Sheet Metal Forming: Processes and Applications
Published: 01 August 2012
Fig. 3.5 Tool geometry used in deep drawing of a round cup More
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Possible defects and successfully drawn cups in warm deep drawing. (a) Frac...

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in Warm Forming of Magnesium and Aluminum Alloys > Sheet Metal Forming: Processes and Applications
Published: 01 August 2012
Fig. 5.34 Possible defects and successfully drawn cups in warm deep drawing. (a) Fracture due to insufficient flange temperature and/or excessive blank holder force. (b) Wrinkling due to low blank holder force. (c) Fracture due to insufficient punch cooling. (d) Cold deep drawing: limiting More
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Schematic of experimental setup of the cup deep drawing test (left) and two...

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in Hot Stamping > Sheet Metal Forming: Processes and Applications
Published: 01 August 2012
Fig. 7.12 Schematic of experimental setup of the cup deep drawing test (left) and two drawn cups at elevated temperatures (right). Source: Ref 7.11 More
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Deep drawing. Source: Ref 8

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in Deformation Processing > Elements of Metallurgy and Engineering Alloys
Published: 01 June 2008
Fig. 16.23 Deep drawing. Source: Ref 8 More
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Double-action tool for deep drawing of beryllium that employs the action of...

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in Metalworking > Beryllium Chemistry and Processing
Published: 01 July 2009
Fig. 20.5 Double-action tool for deep drawing of beryllium that employs the action of the lower-press action for blank restraint. Lubrication shown is insulating paper impregnated with colloidal graphite, as seen in the inset. Source: Blakeslee 1979 , Grant 1998 More
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Deep-drawing properties of steel sheet grades

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in High-Strength Low-Alloy Steels > Alloying: Understanding the Basics
Published: 01 December 2001
Fig. 4 Deep-drawing properties of steel sheet grades More
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Schematic of system approach in metal forming (using deep drawing as an exa...

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in Classification and Description of Sheet Metal Forming Operations > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 2.2 Schematic of system approach in metal forming (using deep drawing as an example) More
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Sheet metal drawn cup that exhibits earing in deep drawing ( Ref 4.5 )

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in Plastic Deformation: Flow Stress, Anisotropy, and Formability > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 4.11 Sheet metal drawn cup that exhibits earing in deep drawing ( Ref 4.5 ) More
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Percent reduction in deep drawing versus diameter-to-thickness ( d / t ) ra...

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in Beryllium > Lightweight Materials: Understanding the Basics
Published: 01 October 2012
Fig. 4.10 Percent reduction in deep drawing versus diameter-to-thickness ( d / t ) ratio for deep drawing of cylindrical beryllium shells. Data points are experimental observations (double action or single action) used to derive the curve limits; d , blank diameter; t , blank thickness More
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Schematic of deep drawing test and tool dimensions. D p and D d = punch a...

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in Friction and Lubrication > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 7.9 Schematic of deep drawing test and tool dimensions. D p and D d = punch and die diameter, respectively. R d and R p = die and punch radius, respectively. Source: Ref 7.19 More
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Schematic of the deep drawing process

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in Deep Drawing of Round and Rectangular Cups > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 8.1 Schematic of the deep drawing process More
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Five deformation zones in deep drawing; Zone A-C: the flange (axial compres...

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in Deep Drawing of Round and Rectangular Cups > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 8.3 Five deformation zones in deep drawing; Zone A-C: the flange (axial compression, radial tension, circumferential compression); Zone C-D: The die corner radius (bending and friction); Zone D-E: The wall of the cup (tension and potential fracture); Zone E-F: The punch corner radius More
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Tool geometry in the deep drawing process. Source: Ref 8.2

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in Deep Drawing of Round and Rectangular Cups > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 8.6 Tool geometry in the deep drawing process. Source: Ref 8.2 More
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An example of a drawn rectangular cup: corners are similar to deep drawing,...

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in Deep Drawing of Round and Rectangular Cups > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 8.24 An example of a drawn rectangular cup: corners are similar to deep drawing, and the sides undergo bending and straightening More
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Wrinkles that may occur in deep drawing rectangular cups when blank holder ...

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in Deep Drawing of Round and Rectangular Cups > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 8.26 Wrinkles that may occur in deep drawing rectangular cups when blank holder force is too low: (a) flange wrinkles, (b) side wall wrinkles More
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Deep drawing operation in (a) double-action press and (b) single-action pre...

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in Mechanical Presses > Sheet Metal Forming: Fundamentals
Published: 01 August 2012
Fig. 10.9 Deep drawing operation in (a) double-action press and (b) single-action press with die cushion. Source: Ref 10.7 More