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hole drilling

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003426
EISBN: 978-1-62708-195-5
...Abstract Abstract Good hole-drilling processes are key to joining composite parts with other composite parts or with metal parts. This article discusses the considerations for drilling polymer-matrix composites. It describes the use of power-feed drill motors and automated drilling/fastener...
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Published: 01 January 1989
Fig. 10 Fixed-table, advancing-spindle machine designed for deep-hole drilling More
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Published: 01 January 1989
Fig. 17 Two types of straight-flute gun drills used in deep-hole drilling. (a) Trepanning drill. (b) Center-cut drill More
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Published: 01 January 1989
Fig. 19 Setup for deep-hole drilling an explosive forming die in a boring mill. Dimensions given in inches More
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Published: 01 November 2010
Fig. 34 Turning/hole-drilling comparison for a cutting speed of 121 surface meters per minute (smm) and a feed of 0.0508 mm/tooth More
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Published: 01 January 1989
Fig. 14 Guide block drilled with a taper-shank oil-hole drill under conditions listed in table. The oil-hole drill produced the deep through holes to the specified finish without subsequent reaming, which was required when a standard twist drill was used. Dimensions in figure given in inches More
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Published: 01 January 1989
Fig. 5 Normal configuration of a hole drilled with an electron beam More
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Published: 01 January 1989
Fig. 7 Holes drilled at various angles with an electron beam. Courtesy of MG Industries/Steigerwald More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003597
EISBN: 978-1-62708-182-5
...Abstract Abstract Specific machining processes that employ electrochemical machining technology include deburring and deep-hole drilling. This article describes the principle and applications of electrochemical deburring as well as the machine tools used in the process. The system, process...
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Published: 01 January 1989
Fig. 29 Hole oversize in drilling steel or cast iron with machine-sharpened drills. Data are based on drilling 468 holes with drills of each of six different diameters in a series of tests conducted by several drill manufacturers. Drills were used without bushings. More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006099
EISBN: 978-1-62708-175-7
... highlights various applications of contact infiltration in oil, gas, and blast-hole drilling such as fixed-cutter drill bits and diamond-impregnated coring bits. It also discusses the applications of infiltrated carbide material in erosion-resistant cladding. carbide structures contact filtration...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003325
EISBN: 978-1-62708-176-4
... procedure qualification, and the weld service assessment. The article describes two general types of measurements for residual stress in welds: locally destructive techniques and nondestructive techniques. Locally destructive techniques include hole drilling, chip machining, and block sectioning...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001298
EISBN: 978-1-62708-170-2
...Abstract Abstract This article provides a useful guide for measuring residual macrostress on coatings. The most commonly used measurement methods are mechanical deflection, X-ray diffraction, and hole-drilling strain-gage. After a discussion on the origins of residual stress, the article...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003329
EISBN: 978-1-62708-176-4
.... The article reviews the semidestructive methods of residual stress measurement: blind hole drilling and ring coring, spot annealing, and X-ray diffraction techniques. Nondestructive methods such as neutron diffraction, ultrasonic velocity, and magnetic Barkhausen noise techniques, are also discussed...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002167
EISBN: 978-1-62708-188-7
... of the material. For drilling applications, a backing material is used on the rear side of the workpiece. When the beam penetrates through the workpiece and contacts the backing material, the high vapor pressure produced by the vaporized backing material expels the molten workpiece material, leaving a hole...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002135
EISBN: 978-1-62708-188-7
... applications. A variety of drill point styles, such as single-angle points and reduced-rake points, are described. The article discusses the factors considered to obtain expected dimensional accuracy of holes. It explains the determination of the optimum speed and feed for drilling, which depends...
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Published: 01 January 1989
Fig. 10 Surface alterations produced from drilling with dull tools. (a) Section perpendicular to the drill-hole axis in a 4340 steel (48 HRC). Abusive drilling produced a cracked untempered martensite surface alteration. Also note the softer overtempered zone below the untempered martensite layer More
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Published: 01 January 1997
Fig. 5 Examples of hole geometries that should be avoided when possible. (a) A hole drilled into an inclined entry surface. (b) Intersecting holes. (c) A through hole with an inclined exit surface More
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Published: 01 January 1989
Fig. 9 Effect of cutting speed and cutting fluids in drilling solution-treated and aged Ti-6Al-4V having 375 HB hardness. Cutting fluids, wear rates, and tool life: A, chemical emulsion (1:15), 0.15 mm (0.006 in.) wear at 13 m/min (43 sfm), 250 holes; B, heavy-duty soluble oil (1:15), 0.15 mm More
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Published: 01 January 2005
Fig. 14 C-scans at 20 MHz of 38 mm (1.5 in.) thick blocks containing 0.8 mm (0.03 in.) diam flat bottom holes drilled from the bottom to a depth of 25 mm (1 in.) below top surface. The blocks were machined from a conventional Ti-6242 forging, the roll formed (RF) VT25 disk, and a uniform fine More