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automated polishing heads

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Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009072
EISBN: 978-1-62708-177-1
... to remove additional dye from the surface. Epi-fluorescence, 390–440 nm excitation, 50× objective Fig. 15 (a) Automated polishing head containing circular sample openings. Notice the smaller sample length in the circular mounts. Also, circular cavities cannot accommodate unmounted composite...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009074
EISBN: 978-1-62708-177-1
... for documentation. The sample location in the automated polishing head is different from what has been described for most composite materials, which was discussed in the article, “Sample Preparation and Mounting,” Typically, the polishing head is loaded with the samples to be polished closest to the center...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009073
EISBN: 978-1-62708-177-1
... be observed as compared to the surface shown in (a). Bright-field illumination, 50× objective Fig. 11 Schematic of a polishing wheel showing complementary and counter sample movement relative to the wheel direction Fig. 12 Schematic showing the automated head movement relative to the wheel...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006350
EISBN: 978-1-62708-179-5
... silica is an excellent final polishing abrasive for many metals and alloys. However, for pearlitic ductile irons, colloidal silica may produce small etch spots and stains on the specimen surface. Fortunately, alumina suspensions yield excellent results. Automated polishing machines...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... to hold. Also, placing a number of mounted specimens in a holder for semi- or fully-automated grinding and polishing is easier with standard mounts than for unmounted specimens. Mounted specimens are easier on the grinding/polishing surfaces than unmounted specimens. Cold-mounting materials require...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003464
EISBN: 978-1-62708-195-5
... the effectiveness of the adhesive. The last polishing step can be accomplished as previously mentioned using a diluted 0.05 or 0.06 μm levigated alumina suspension either by hand or with automated vibratory polishing. Epi-bright-field illumination (reflected bright field) is used in most cases. Bright field...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002157
EISBN: 978-1-62708-188-7
... bodies at a rate of 30,000 parts per day with an automated AFM system Finishing cannula tubes for surgical implantation ( Fig. 12 ) Removing recast layers from fragile workpieces ( Fig. 13 ) Deburring fuel nozzles Finishing dies ( Fig. 14 ) for extruding, drawing, forging, cold heading...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006517
EISBN: 978-1-62708-207-5
... with eight buffing heads. The soleplates were made of AA380.0 and were pre-polished with 320-mesh grit. A liquid buffing compound was applied by one gun per wheel for the first four heads and by two guns per wheel for the last four heads. The guns were on for 0.12 s and off for 13 s. The service life...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... for rough polishing with diamond abrasive compounds. Napless, low-, medium-, and, occasionally, high-nap cloths are used for final polishing. This step should be brief to minimize relief. Mechanical polishing can be automated to a high degree using a wide variety of devices ranging from relatively...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006351
EISBN: 978-1-62708-179-5
... retention as well as graphite and inclusion retention is excellent, especially if automated equipment is used. Examples of grinding and polishing procedures are given in this section, but first the specimens must be sectioned. Band saws may be able to section the lower-hardness grades of high-alloy cast...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005292
EISBN: 978-1-62708-187-0
...Abstract Abstract High-pressure die casting is a fast method for the net shape manufacturing of parts from nonferrous alloys. This article reviews the automation technologies for the different stages or steps of the process. These steps include liquid metal pouring, injection, solidification...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002449
EISBN: 978-1-62708-194-8
... Processes Numerical Control Machining for Prototyping Analyzing Speed and Accuracy Current Research Efforts Acknowledgments References References 1. Burns M. , Automated Fabrication: Improving Productivity in Manufacturing , PTR Prentice Hall , 1993 2. Thomas C.L...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005138
EISBN: 978-1-62708-186-3
... spring coiling turks head machine wire forming wire rolling WIRE FORMS are used to give a high strength-to-weight ratio, an open construction (as in fan guards or baskets), resilience to absorb shock, and the economy of automated production of formed parts. When production quantities are small...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001232
EISBN: 978-1-62708-170-2
... of abrasive products and materials, abrasive finishing processes, and the mechanisms of delivering the abrasives to the grinding or machining zone. Abrasive finishing processes, such as grinding, honing, superfinishing, microgrinding, polishing, buffing, and lapping, are discussed. The article presents...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003766
EISBN: 978-1-62708-177-1
... is generally limited to a few stamp marks (if the steel is soft enough to stamp), such as a job number. Vibratory scribers can be used, but subsequent corrosion may make these marks hard to read. Most modern automated grinding/polishing devices can handle unmounted specimens. If edge retention is important...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006468
EISBN: 978-1-62708-190-0
... hoses onto the part being inspected. Pneumatically operated contact heads, together with a rigid-type coil, provide capabilities for both circular and longitudinal magnetization. Self-contained alternating or direct current power supplies are available in amperage ratings from 2500 to 10,000 A. Maximum...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003996
EISBN: 978-1-62708-185-6
... in.) on complex dies. The surface finish on the cavity in dies used for the forging of aluminum alloys is more critical than that for dies used for steel. Therefore, cavities are highly polished, frequently with automated equipment, by a variety of techniques in order to obtain an acceptable finish...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006632
EISBN: 978-1-62708-213-6
... distribution shown in Fig. 12 Fig. 15 Longitudinal residual stress as a function of the quantity (1 + cos θ) for a 63 mm (2.5 in.) Inconel 600 tubing U-bend Fig. 14 (a) Longitudinal residual-stress and (b) percent cold work distributions in belt-polished Inconel 600 tubing Fig. 16...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002151
EISBN: 978-1-62708-188-7
... of the development of resin bond technology, particularly plastic bonds. Rubber bonds have historically been used for polishing applications, wet cutoff operations, and centerless regulating or feed wheels. Shellac Bonds Shellac bonds are the most heat sensitive of the organic bonds. As such, they have...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006310
EISBN: 978-1-62708-179-5
.... With the advent of automated pouring of ductile iron, a new technique was required to inoculate the iron, because iron held in an autopour would not retain nucleation effectiveness for the extended times required. Equipment designed to feed finely sized iron-silicon-base inoculant into the iron stream during...