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tool-edge design

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040151
EISBN: 978-1-62708-300-3
... efficiency. 13.4 Shearing Equipment The parameters influencing the quality of the sheared billet can be divided into workpiece-tooling and shear-related parameters. Machine- and tooling-related parameters, such as a weak frame design or inconsistent blade alignment, reduce the shearing quality...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500211
EISBN: 978-1-62708-317-1
... unit, and a painting unit. 10.2 Roll Design Tool design for roll forming is an experience-based process. No definite scientific rules or format have been established that would apply to the wide variety of sections required in industry. The contours of a set of rolls for a given section may vary...
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
... rapidly during this phase. Fig. 1.4 Load-stroke curve of a blanking/piercing operation A way to reduce the maximum force on the tool would be to change the design of the punch such that it is stepped or has an angle on the punch edge. This would lower the maximum force by spreading...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500249
EISBN: 978-1-62708-317-1
... ahead of the edge of the blank. Consequently, the trend to tangential cracks increases with decreasing sheet thickness. The appearance of tangential cracks depends on several machine and process parameters. A choice of a small working radius of the tool ( r < 3 s 0 ), a high feed rate, f r...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090083
EISBN: 978-1-62708-462-8
.../mapping, besides an improved spatial resolution, SIL provides a finer focus spot and a shorter focus depth, greatly enhancing the local intensity of laser stimulation compared to a normal lens. SIL for FI tools is typically designed for a specific thickness of Si substrate of IC device under test (DUT...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400005
EISBN: 978-1-62708-316-4
..., the friction at the tool/material interface, and the relationship between process conditions are difficult to predict and analyze. Therefore, thorough knowledge of complex interactions between the process components and the work piece material is important for effective process design. The process components...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480293
EISBN: 978-1-62708-318-8
... temperatures, chemical reactivity, and a relatively low modulus of elasticity. However, a built-up edge does not form on tools, which accounts for the characteristically good finish on machined surfaces, but it also leaves the cutting edge naked to the abrading action of the chip peeling off the work ( Ref...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350195
EISBN: 978-1-62708-315-7
... are avoided, occur on nonsignificant surfaces, or are hidden by specially incorporated design features, such as steps or ridges at parting lines. Whatever the type of material being cast or molded, dimensional and warpage allowances must be made in the design of the tooling (i.e., dies) to accommodate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110402
EISBN: 978-1-62708-247-1
... cleaving system designed to achieve targeting accuracy on the order of 100s of nanometers. Figure 10 Scribe on the edge of the sample. In comparison to creating a coarse weak point with a handheld scriber, tools using fine diamond indenters, knives or scribes as shown in Figures 9 and 10...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230339
EISBN: 978-1-62708-298-3
... is relatively soft (Rockwell B 80 to B 90, depending mainly on its oxide content), it is abrasive, producing a discontinuous chip [ Brush Wellman 1982 ]. This characteristic causes tool-edge erosion when using improperly designed tooling or when the wrong material is selected for the cutting tool edge...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700071
EISBN: 978-1-62708-279-2
... of cutting tool on hole expansion. Source: Ref 4.1 Cutting tools must also be sharp to produce clean edge cuts. Figure 4.25 compares hole expansion values for sharp and worn tools. Worn tools result in 25% reduction in stretch flangeability in mild steel, but the reduction increases to 50% in AHSS...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280189
EISBN: 978-1-62708-267-9
... of superalloys requires careful consideration of broach design, broach material, and technique. The following points are important: Broach design that provides ample clearance for swarf Good rigidity of the machine and work combined with adequate power Avoidance of the tool edge rubbing against...
Image
Published: 01 July 2009
Fig. 21.1 Cutting tool designs used for beryllium and comparison of geometry with other metals Nomenclature Value (X°) for SS 304 Be Cast iron Nonferrous metal ab, back rake, deg 0 to (–7) +7 0 to –7 0 to 10 as, side rake, deg +6 to (–7) +5 +6 to –7 10 to 20 ϕs More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270053
EISBN: 978-1-62708-301-0
... for identification of the tool that had caused the damage to the control cables. In one of the cables, the cutting tool had left a tool mark, which was studied in detail by microscopic examination. The shape of the tool mark indicated clearly that it had been made by a tool with a serrated edge. The serrations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400161
EISBN: 978-1-62708-316-4
... and reduced scrap rate Reduce impact speed and noise Improve edge quality in blanking and shearing and increase tool life Reduce springback and improve part dimensions by controlling the dwell time at the BDC (bottom dead center) of the slide stroke Allow assembly and other secondary operations...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740213
EISBN: 978-1-62708-308-9
... speeds. Chemical action diminishes quickly and becomes virtually nil as the cutting speed is increased to 120 m/min (400 ft/min). Both tapping and threading involve many small cutting edges in continuous contact with the work throughout the cut. The design of the tools and the nature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400233
EISBN: 978-1-62708-316-4
... with a carbon material, solid, liq- uid, or gas to a temperature above the trans- formation range and holding it at that tem- perature for a period of time. carburr A small carbide mill cutter usually one-half inch or less in diameter, designed to remove stock from hardened tool steel. carrier strip The area...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
... to failure either by fracture or necking at relatively low R / t ratios. Estimation of the bending force is important in selecting the press capacity and designing the tooling. More important than load predictions is the dimensional quality of the part after bending. Springback and cracking are common...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870307
EISBN: 978-1-62708-314-0
.... 11.2 ). The advantages of abrasive water jet cutting are that consistent delamination-free edges are produced and that tooling requirements are simpler because the cutting path is NC. Abrasive water jet cutting is primarily an erosion process rather than a true cutting process, so very little force...