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rough grinding

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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
...Abstract Abstract This chapter covers the practical aspects of machining, particularly for turning, milling, drilling, and grinding operations. It begins with a discussion on machinability and its impact on quality and cost. It then describes the dimensional and surface finish tolerances...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230199
EISBN: 978-1-62708-298-3
... few seconds close to the center of the disc. Light oils and water are not satisfactory for the finer grinding operations. Wet rough grinding holds and carries away dust generated during operation. Disks of waterproof silicon carbide grinding paper are mounted on a wheel rotating at approximately...
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
.... For rough grinding, however, conditions can be selected to give higher G -ratios. Rough grinding conditions should not produce grinding cracks. Wrought superalloys usually can be handled in a manner to prevent this phenomenon, but the high-strength, cast nickel-base and cobalt-base alloys are crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230339
EISBN: 978-1-62708-298-3
... machinable. Excellent surface finishes and close tolerances can be obtained with the fine-grained beryllium produced from powders. By contrast, machined surfaces of cast beryllium are typically rough due to the coarse-grained structure of as-cast beryllium. Although beryllium is relatively soft (Rockwell B...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
...Depth of plastically deformed layer produced on annealed polycrystalline 70:30 brass by machining, grinding, and abrasion processes Table 2-1 Depth of plastically deformed layer produced on annealed polycrystalline 70:30 brass by machining, grinding, and abrasion processes Process Depth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
... are subsurface. However, in slide/roll situations, the surface condition and the surface hardness are important, so that grinding burns and the changes of hardness associated with them have an adverse effect. The influence of the as-ground roughness on wear of surfaces in relative motion depends on whether...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... initiation site and changes in crack propagation process Estimations of surface roughness, grinding patterns, and honing angles Evaluation of coating integrity and uniformity Determination of extent and location of wear Estimation of plastic deformation associated with various mechanical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110391
EISBN: 978-1-62708-247-1
.... In this discussion, compression refers to things being pushed together and tension refers to things being pulled apart. See Fig. 1 . Fig. 1 Graphics of compression (top) and tension (bottom). The active surface of the device should always be kept in compression during grinding and rough polishing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... ) , N/mm 2 Resultant stress after hardening and grinding (σ R ( T 0 )), N/mm 2 0.594 3.156 343 1123 1306 0.709 3.0412 336 1144 1327 0.877 2.873 325 1177 1360 1.146 2.6045 307 1232 1414 Source: Ref 67 Mechanical properties of heat treated structural steel 4140...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220069
EISBN: 978-1-62708-259-4
... of surface roughness, the factors that contribute to it, and its effect on image quality. It discusses the use of fixturing and holding devices, includes photographic examples of polishing defects and drying marks, and provides an overview of micrographic etchants and the features they reveal. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... on a woven cotton backing for final polishing Stainless steel A woven stainless steel cloth for grinding and rough polishing, generally on automatic machines Typical problems of castable mounting materials Table 7.3 Typical problems of castable mounting materials Problem Cause Solution...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120313
EISBN: 978-1-62708-269-3
... Grade 1 Annealed 110–170 Roughing Finishing 35 55 0.005–0.008 0.002–0.005 T-5 T-5 Hook angle: 8°–10° Cl: 3°–4° Hook angle: 8°–10° Cl: 2°–3° Grade 2, grade 3, Ti-Pd Annealed 140–200 Roughing Finishing 30 45 0.005– 0.008 0.002–0.005 T-5 T-5 Hook angle: 8°–10° Cl: 3°–4° Hook angle: 8°–10...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350195
EISBN: 978-1-62708-315-7
... As-treated surface finish Normal finishing operation Overlays Very rough Grind Thermal spray Very rough Grind Local hardening May be rough and distorted Grind Case hardening May be rough and distorted Grind Nitriding and nitrocarburizing Slightly roughened May be ground, but often...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... surface finish types. Grinding steps create a non-flat rough surface while polishing steps generate a flat but rough surface which will become smooth as the polishing steps reach the the bottom of the scratches or pits. A contoured device may be smooth but not flat, allowing for the desired uniformity...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120079
EISBN: 978-1-62708-269-3
..., mm/tooth (in./tooth) Milling rough/finish Peripheral ML flanges 50.8 mm (2 in.) diam × 152.4 mm (6 in.) flute length, 6 flute, 35° helix, M42 15 (50) 0.2/0.0096 (0.0066/0.0096) Milling rough Thin flanges, walls 31.8 mm (1.25 in.) diam × 50.8 mm (2 in.) flute length, 4 flute, 35° helix...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480293
EISBN: 978-1-62708-318-8
...) 0.025 (0.001) 1.57 (0.062) F ... C 60 KV 12.2 (40) 0.013 (0.005) max 1.27 (0.050) (a) ELI, extralow interstitial; STA, solution treated and aged. (b) R = roughing; F = finishing. (c) 457–762 m/min (1500–2500 ft/min). (d) 914–1676 m/min (3000–5500 ft/min). Nominal grinding...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
... in the plastic wake. Roughness-induced closure is due to crack meandering, in which the crack deviates from mode I displacements and is subject to mode II shear displacements. These displacements cause a mismatch between the upper and lower crack faces, which results in contact between the crack faces during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
... [ Yoshimura et al., 1997 ]. The die insert impression is first made by rough grinding, followed by electrical discharge die sinking. The compression ring is produced by machining and milling, followed by hardening or quenching to increase its stiffness. The die insert is then shrink-fitted...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
...Abstract Abstract This chapter is a detailed account of the general characteristics and effects of and the methods for preventing or reducing different categories of wear failures, namely abrasive (erosive, grinding, and gouging), adhesive, and fretting wear. abrasive wear adhesive wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400087
EISBN: 978-1-62708-258-7
... the sample and then transferring the inked specimen onto paper. Sorby cut and polished his specimens to remove all “traces of roughness.” After polishing, he used extremely dilute nitric acid to etch his specimens. He actually followed the progress of etching in order not to overetch the specimen...