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shear-face dies

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003429
EISBN: 978-1-62708-195-5
...Abstract Abstract This article discusses the dies, such as shear-face dies, conical-feed dies, and bridge dies, that are used in extrusion of particle-reinforced aluminum composites. It provides an overview of the effects of reinforcements on the properties of aluminum composites. shear...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... to 50 HRC (Rockwell C scale). Flat-face dies are characterized by a bearing surface that is perpendicular to the face of the die, as shown in Fig. 14(b) . This is sometimes referred to as a shear edge. Dies with this feature are generally used for the most common aluminum extrusion alloys...
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
... A2, S5, S6, S7 Titanium alloys D2, A2, CPM 10V … … Life of hard-faced blades for hot shearing of steel in a specific steel mill Table 4 Life of hard-faced blades for hot shearing of steel in a specific steel mill Type of shear Steel for blade body Hard facing alloy (a) Blade...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.9781627081979
EISBN: 978-1-62708-197-9
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.9781627081856
EISBN: 978-1-62708-185-6
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006534
EISBN: 978-1-62708-207-5
... remain adhered to the butt until it is separated. The butt is sheared from the die face as discard. The die, container, and ram are returned to their initial loading positions. Fig. 7 Butt at the end of extrusion process Typical ram displacement versus applied press load curves...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005178
EISBN: 978-1-62708-186-3
... as much as one made from W2 tool steel, and 0.7 times as much as one made from D2 tool steel. One method of minimizing distortion in sheared bars employs two hardened blades mounted face-to-face, with identical holes through each blade. The holes should conform to the shape of the work metal...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003097
EISBN: 978-1-62708-199-3
... to 7°, depending on the characteristics of the forging design. Draft is needed to release the forging from the split dies; it also reduces the shearing of face surfaces in transfer from impression to impression. For an upset forged part that requires several operations or passes, the dimensioning...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006385
EISBN: 978-1-62708-192-4
..., applicable to pocket/feeder plate die for softer alloy Fig. 12 Solid flat-face extrusion dies. (a) Die configuration. (b) Bearing length at Section XX in part (a). Source: Ref 8 In direct extrusion, the frictional resistance at the billet-container interface slows down the metal flow near...
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
... as long per sharpening as tool steel dies. Press condition is important in the operation of blanking and piercing dies. To achieve the maximum potential use of carbide dies, press condition must be maintained at a high level. Although tool steel punches and dies can chip and shear because...
Book Chapter

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
... (0.040 in.). A 1.6 mm (0.062 in.) diam hole was pierced in the same part. The sheared faces of holes pierced during fine-edge blanking are usually vertical, smooth, and free from die break, provided the maximum hole dimensions are not more than a few times the stock thickness. As in conventional...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.9781627081962
EISBN: 978-1-62708-196-2
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
... characteristics of slugs or blanks, except that rollover and burnish depth would be smaller and burr height would be greater. Shear is the amount of relief ground on the face of a punch ( Fig. 5 ). It is used to reduce the instantaneous total load on the tool and to permit thicker or higher-strength materials...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003991
EISBN: 978-1-62708-185-6
... left around the periphery at the parting line. It can also be trimmed flush to the side face of the forging, or some of the draft can be trimmed off, provided the serrations or score marks left by the shearing operation are not an objectionable feature. In most commercial forgings, some draft...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
... edge after normal service life. Fig. 45 A typical example of freshly formed martensite at the tip of a failed shear blade. The hardness was 59 to 60 HRC. Etched with 3% nital. 50× Fig. 46 Macroetched (10% aqueous nitric acid) face of a cutter blade made from AISI S7 steel...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005108
EISBN: 978-1-62708-186-3
... of the cut (in inches). The shear strengths of various steels and nonferrous metals are given in Table 3 . For cutting large blanks, shear can be applied to the face of the die by grinding it at an angle to the motion of the punch ( Fig. 11 ), but shear is not used in cutting small blanks. Shear reduces...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... hammer has blow-energy control to assist the operator in setting the intensity of each blow. In hammers for closed-die forging, the hammer stroke is limited by the upper die surface contacting the surface of the lower die face. In open-die forging, the upper and lower dies do not make contact; stroke...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001021
EISBN: 978-1-62708-161-0
... forgings Table 1 Factors to be considered in the design of efficient forgings Pattern of applied loads  Uniaxial loads. Tensile or compressive, or reversible with changes in operating conditions  Multiaxial or combined loads. Tensile, compressive, shear, bending, torsion, and bearing...