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Burrs

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Published: 01 July 1997
Fig. 5 Upset butt welded steel wire showing typical acceptable burrs on the welds. Dimensions given in inches More
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Published: 30 September 2023
Figure 12.4: Effect of clearance on burr development in blanking of steel sheet. More
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Published: 01 July 1997
Fig. 17 Typical profiles for (a) burr grinding and (b) tungsten inert gas dressing of weld toe More
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Published: 01 August 2012
Fig. 1.9 Increase in burr volume with increasing press strokes because of tool wear. Source: Ref 1.5 More
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Published: 01 August 2012
Fig. 1.11 Burr depends on material blanked; Mat 2 and Mat 3 are more ductile and homogeneous than Mat 1. Source: Ref 1.5 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 November 2012
Fig. 25 Typical profiles for (a) burr grinding and (b) gas tungsten arc weld dressing of weld toe. HAZ, heat-affected zone. Source: Ref 16 More
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Published: 01 December 2006
Fig. 1.5 First hydraulic lead press (Th. Burr, 1820). A, container; B, die; C, extrusion stem with machined dummy block and threaded mandrel; D, extruded tube More
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Published: 01 March 2002
Fig. 7.12 Microstructure of a dual-phase steel sheet showing the results of deformation by shearing. (a) Correct dual-phase microstructure away from the shear burr. (b) Shear burr region where pools of retained austenite have transformed to martensite by the plastic deformation. Arrows More
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Published: 01 September 2008
–40% t 35–55% t (c) 50–70% t (d) Fracture 70–80% t 60–75% t 50–60% t 35–50% t (e) 25–45% t (f) Burr Large, tensile plus part distortion Normal, tensile only Normal, tensile only Medium, tensile plus compressive (g) Large, tensile plus compressive (g More
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
.... In general, it is preferred to have a large shear zone and smaller burr. The zones and deformation modes of a blanked part edge are given as follows and in Fig. 1.7 : Rollover zone ( Z r ) : Caused by plastic material deformation Shear zone ( Z s ) : Smooth and shiny area, created...
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Published: 01 August 2012
Fig. 3.4 Sheared edge obtained in simulation (punch/die clearance = 20.8%, z r = rollover zone, z s = shear zone, z f = fracture zone, z b = burr height). Source: Ref 3.14 More
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Published: 01 August 2015
. Vilella’s reagent. 100×. (j) SAE 4118 carburized steel as quenched and tempered; microstructure is tempered martensite with quench crack propagating from machine burr. Unetched. 200×. (k) SAE 4140 steel as quenched and tempered; microstructure is tempered martensite with quench crack initiating from machine More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040151
EISBN: 978-1-62708-300-3
.... 13.3 ). Distortions such as ears, burrs, and scars are undesirable, because they reduce the quality of the billet. Fig. 13.3 Different zones of the sheared surface [ Breitling et al., 1997 ] As with every process, there is a load-stroke curve correlating to the different phases described...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400161
EISBN: 978-1-62708-316-4
... The burr-free blanking of Al 5052 alloy was investigated using a 60-ton servo press ( Ref 11.14 ). The slide motion used in this study is shown in Fig. 11.13 . Three steps, using a maximum slide speed of 50 mm/s (2.0 in./s), were used to obtain burr-free blanked edges in one press stroke that required a 3...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270097
EISBN: 978-1-62708-301-0
... bearings also showed excessive wear ( Fig. CH15.3 ). Wear and deformation also were observed in the cage ( Fig. CH15.4 ). Some of the holes were found flared, with metal flow resulting in formation of burrs at the hole edge. While disassembling, a sharp metal sliver of the same color as the cage was also...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370187
EISBN: 978-1-62708-447-5
... Deburring, or burr removal Automated x-ray inspection to verify integrity Solution heat treatment Aging heat treatment Quality checks before final approval Fig. 10.14 Post-casting operations schematic 10.1.9.1 Desprueing, or Sprue Removal Sprues are removed by: Punching...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.9781627084475
EISBN: 978-1-62708-447-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980001
EISBN: 978-1-62708-342-3
... Thomas Burr in 1820 ( Fig. 1.5 ). It had a container A, an extrusion stem with a machined-in pressure pad, a threaded mandrel, and a replaceable die B. Fig. 1.5 First hydraulic lead press (Th. Burr, 1820). A, container; B, die; C, extrusion stem with machined dummy block and threaded mandrel; D...