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die wear

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Published: 01 February 2005
Fig. 22.31 Measured die wear profile vs. die temperature vs. number of forging cycles. [ Bobke, 1991 ] More
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Published: 01 February 2005
Fig. 22.32 Measured die wear at location I vs. die temperature vs. lubricant vs. number of forging cycles [ Bobke, 1991 ] More
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Published: 30 September 2023
Figure 11.36: Modes and locations of die wear encountered in nonisothermal hot forging. More
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Published: 01 February 2005
Fig. 22.27 Comparison between predicted and experimental die wear [ Liou et al., 1988 ] More
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Published: 01 February 2005
Fig. 22.29 (a) Comparison between predicted and experimental die wear. (b) Axial position along extrusion die throat (picture is rotated 90°) [ Painter et al., 1995 ] More
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Published: 01 March 2000
Fig. 29 Change of real frictional area after die wear More
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Published: 30 September 2023
Figure 9.33: Effect of die cooling on wear rate in drawing of 0.6% C steel wire (patented, phosphate/soap lubrication, reduced from 4.5 to 4.0 mm diameter at 6 m/s). More
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Published: 30 September 2023
Figure 11.37: Effect of die surface coating on wear in (a) upsetting and (b) forging around a boss. More
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Published: 30 September 2023
Figure 12.2: Wear of shearing punch and die. More
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Published: 30 September 2023
Figure 12.3: Dependence of flank wear on punch-to-die clearance in cutting of steel blanks. More
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Published: 01 August 2013
Fig. 12.17 Effect of die surface treatment on tool wear. Source: Ref 12.2 More
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Published: 01 March 2001
Fig. 16 Comparative cross-sectional area of wear, scuffing, and spalling on a die radius in a sheet steel-bending test. Source: Ref 71 More
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Published: 01 December 2003
Fig. 4 Bearing surface of an aluminum extrusion die, demonstrating the wear process due to hot aluminum extrusion. (a) Untreated die. (b) Die with nitrided surface More
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Published: 01 March 2000
Fig. 25 Wear depth on the die bearing More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390284
EISBN: 978-1-62708-459-8
..., material flow, friction, die wear, heat generation, and lubrication requirements. The chapter also provides information on hydrostatic, friction-assisted, and severe plastic deformation extrusion processes, discusses the cause of instabilities and defects, and explains how to select and apply lubricants...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... Abstract This chapter addresses the issue of die failures in hot and cold forging operations. It describes failure classifications, fatigue fracture and wear mechanisms, analytical wear models, and the various factors that limit die life. It also includes several case studies in which finite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
..., springback, residual stress, die wear, hot forming, downgaging limits, welding, binders, draw beads, and tool material wear. advanced high-strength steels automotive industry welding hot forming wear residual stress THE WIDESPREAD USE of advanced high-strength steels (AHSS) in the automotive...
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Published: 01 March 2000
Fig. 30 Change of shape of the extruded aluminum alloy square tube (a) before die wear and (b) after die wear More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260087
EISBN: 978-1-62708-336-2
..., and deflection; and the length and profile of bearing surfaces. It outlines the steps and processes involved in die making, describes the selection and treatment of die materials, and examines the factors that influence friction and wear. It also discusses the general procedures for on-site die correction...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390241
EISBN: 978-1-62708-459-8
... discusses the use of vibrating dies, the influence of surface finish and defects, and lubrication practices for specific materials. die design die wear draw forces drawing lubricants drawing processes fixed plug drawing floating plug drawing hydrodynamic lubrication lubricant breakdown...