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trim tear

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
... Abstract This article presents six case studies of failures with steel forgings. The case studies covered are crankshaft underfill; tube bending; spade bit; trim tear; upset forging; and avoidance of flow through, lap, and crack. The case studies illustrate difficulties encountered in either...
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
... The angular condition on the work- ing surface of a trim or form steel caused by excessive wear. bendability The minimum bending radius at- tainable by a given material, shown as inner radius Ri in Fig. B1. The work is done by the punch pushing the stock into cavities or depressions of similar shape...
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 December 2018
DOI: 10.31399/asm.tb.aceg.t68410253
EISBN: 978-1-62708-280-8
... Gate/feeder trim/de-sprue processes Radioscopic inspection Heat treat rack loading Solution heat treat HT, quench HT, age HT, ID and visual inspection Die penetrant inspection Final inspection and HT traceability Packaging castings and container identification Dock audit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... station. The cores are removed by pneumatic vibrators, which shake the feeders. Casting advances to the trim station, where the flash is removed. Chop saws are used to remove gates, runners, and feeders. The castings are inspected before mounting on the heat treat stands. Heat treated castings are further...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... that are trapped by the solidifying metal as they try to escape from the liquid and semisolid metal Small crevices in the mold walls, which cause the metal to tear during the stripping operation Spatter during pouring, which produces globs of metal frozen on the mold walls because of the great difference...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
...: Ref 7 Parting Line The parting line is the line along the forging at which the dies meet. It can be in a single plane, curved, or irregular. The shape and location of the parting line determines die cost, draft requirements, grain flow, and trimming procedures. In most forgings, the parting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.9781627082808
EISBN: 978-1-62708-280-8
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
.... Because shear gaging can be set within ±0.13 mm (±0.005 in.), the shearing process is generally limited to ±0.4 mm (± 0.016 in.) tolerances in 16 gage material. The tolerance range increases with thickness. Squaring shears ( Fig. 2 ) are usually used for trimming and cutting sheet or plate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400105
EISBN: 978-1-62708-316-4
... that flows easily in the thickness direction ( r < 1) has an undesirable tendency to thin under the influence of wall tension during drawing. This excessive thinning (> 20%) may lead to cup failure by tearing. Typical r -values exceed 1.0 for various steels and are usually less than 1.0 for aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... in. in this case) casting, there may be a need for an auxiliary parting plane in order to check the wall thickness. The second parting plane may result in a flash that needs to be ground. One solution is to provide a trim bead, as shown in Fig. 6.3 , inset A. The flash is formed around the trim bead, and flash...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870001
EISBN: 978-1-62708-299-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260149
EISBN: 978-1-62708-336-2
... of 6000-series alloy extrusions are produced every year. Applications include bars and rods to intricate shapes such as door and window frames, automobile trim, building structures, electrical bus bars, heat exchangers and so on. For bright finish applications required for automobile trim, alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... (in the range of 1300 VHN). Young et al. ( Ref 6.39 ) used a progressive die for forming uncoated DP 980 to emulate several stamping operations, such as forming, piercing, flanging, and trimming. This study showed that, compared to other die steels and coatings (D2, Vanadis 4E, D2 + PVD/AlTiN, M2, and M4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500051
EISBN: 978-1-62708-317-1
..., finite-element model, and output/predictions, are explained in Section 3.4, “Case Studies in Sheet Metal Forming” in this chapter. Prediction of Stamping Defects Defects such as tearing and wrinkling are commonly observed during the stamping and hydroforming processes. Tearing mostly occurs due...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... should reflect the actual procedures used for production parts. After fabrication, the laminates should be inspected ultrasonically to ensure that they are of high quality. Diamond-coated cutoff wheels with flood coolant are recommended for all trimming operations. Compression specimens usually require...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... as cracks or tears, and they can result either from forging with too light a hammer or from continuing forging after the metal has cooled down below a safe forging temperature. Bursts can also occur during the forging operation. A number of surface flaws can be produced by the forging operation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
... magnification: 100×. (c) Micrograph of low-alloy steel shrinkage crack. Original magnification: 7.5×. (d) Optical micrograph of a hot tear in a casting. Original magnification: 200×. Source: Ref 3 Porosity Porosity ( Fig. 9b ) is the presence of pores in the casting. These pores may be connected...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180127
EISBN: 978-1-62708-256-3
... and replace” company mentality Not asking for help Returning the part to the supplier Failing to follow through Not understanding how the failed system is supposed to operate Tearing a system apart without a developed plan Silver Bullet Theory The silver bullet theory comes into play...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... of 88 lives. Fig. 4 The probable cause of this accident was a loss of airplane pitch control resulting from the in-flight failure of the acme nut threads on the horizontal stabilizer trim system jackscrew assembly. The thread failure was caused by excessive wear resulting from insufficient...