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machine countersinks

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Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002137
EISBN: 978-1-62708-188-7
... Abstract Countersinking, counterboring, and spotfacing operations can be carried out on drilling machines and usually follow drilling operations. This article discusses five common types of countersinking tools or countersinks, namely, machine, three-flute, single-flute, insert-type...
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
... equipment. The article provides a discussion on reaming, countersinking, and three recommended choices of cutting tools for producing a countersink in carbon/epoxy structure. The cutting tools include: standard carbide insert cutters, solid carbide cutters, or polycrystalline diamond (PCD) insert cutters...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003042
EISBN: 978-1-62708-200-6
... Abstract This article describes the use of conventional machining techniques, laser cutting and water-jet cutting for producing finished composite parts. It explains two representative polymer-matrix composites--graphite and aramid composites--and discusses the machining and drilling problems...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002194
EISBN: 978-1-62708-188-7
.... The graphite should then be removed and the hole reamed up to its correct clearance size. Recommendations for countersinking in this combination of materials are no different from those for graphite-epoxy unidirectional tape or cloth. Machining Guidelines for Honeycomb Structures In machining honeycomb...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003424
EISBN: 978-1-62708-195-5
... of delaminations, as shown in Fig. 3 . This carbon/epoxy sample had three machining operations performed–drilling, countersinking and milling of the top surface. Fig. 3 Typical machined surface of carbon/epoxy composite Face Milling As with peripheral milling, face milling can be accomplished...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003423
EISBN: 978-1-62708-195-5
... is used to pull out gaps often encountered during assembly. Polymer-Matrix Composites This Section starts with the overview article “Machining, Trimming, and Routing of Polymer-Matrix Composites.” This article is first because these are typical operations performed after composite curing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003138
EISBN: 978-1-62708-199-3
... machinery, such as textile and printing machines, magnesium alloys are used for parts that operate at high speeds and thus must be lightweight to minimize inertial forces. Materials-handling equipment includes dockboards, grain shovels, and gravity conveyors. Commercial applications include hand-held tools...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002116
EISBN: 978-1-62708-188-7
..., countersinking) Sawing (filing) Abrasive machining (grinding, honing, lapping) Broaching (internal and surface) Processes can be combined into multiple-capability machines, known as machining centers. The machining center shown in Fig. 2 is capable of performing the machining processes normally...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004123
EISBN: 978-1-62708-184-9
... ARMAMENT SYSTEMS comprise guns and ammunition ranging from the M-16 machine gun and ammunition (5.56 mm) to the 155 mm mortar rounds and M198 howitzers that fire the rounds. This includes weapon systems found on tanks and other mobile units, so the number of systems is large. Armament systems, must...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003987
EISBN: 978-1-62708-185-6
... is well suited to the manufacture of extremely small items, such as interlocking-fastener elements. Dimensional accuracy equal to that available only with the very best machining practice can often be obtained in coining. Many automotive components are sized by coining. Sizing is usually done...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005117
EISBN: 978-1-62708-186-3
...-and-extrude operations, slotting, countersinking, and cutting and lancing of tabs. The article provides information on the punch assembly, the die assembly, and the stripper and discusses the factors considered during piercing operations. It reviews the applications of the four types of blanks used in sheet...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001074
EISBN: 978-1-62708-162-7
... requirements, cost, availability, and fabricability. It also discusses the types of inserts used in magnesium. The article also deals with the joining of magnesium alloys by welding, adhesive bonding, and riveting. It concludes by describing the formability and machinability of magnesium and magnesium alloys...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003433
EISBN: 978-1-62708-195-5
... that support numerically controlled fabrication and inspection work centers, including multiaxis machining and cutting centers, and high-precision measurement systems. The advancements in electronic modeling, and the use of 3-D engineering models have shifted the conventional inspection methods from...
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
... Type of machine used to rotate the drill or the workpiece Whether the drill is used for originating or enlarging holes Tolerances on the hole to be drilled Whether related operations, such as countersinking or spotfacing, must be performed with drilling Cost Material Drilled...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002487
EISBN: 978-1-62708-194-8
... Abstract Machining or material removal processes are secondary manufacturing operations that are used to achieve precise tolerances or to impart controlled surface finishes to a part. This article summarizes rules for designing parts to improve machined part quality and reduce machining costs...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002486
EISBN: 978-1-62708-194-8
... at a lower cost. Due to the much higher green strength, warm compacted parts can be machined in the green condition. This technique can also be used to produce insulated magnetic cores, a composite material suitable for high-frequency electromagnetic systems. Full-Density Processes The second group...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006034
EISBN: 978-1-62708-175-7
..., production rate, and machine overload protection. The article lists the classification of powder metallurgy parts based on complexity of shapes as suggested by the Metal Powder Industries Federation, such as Class I parts, Class II parts, Class III parts, and Class IV parts. It describes rigid tooling...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006494
EISBN: 978-1-62708-207-5
... Abstract The horsepower requirements to cut various metal alloys provide an indication of the relative ease and cost of machining, but several other important factors include cutting tool material, chip formation, cutting fluids, cutting tool wear, surface roughness, and surface integrity...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002368
EISBN: 978-1-62708-193-1
...-dimpling, spin-dimpling, drilling, and machine-countersinking. Hole Sizing and Interference Fits The stress concentration factor of a circular hole loaded in bearing with a round pin is significantly higher than an open hole in a remotely loaded tensile strip (see section “Pin Joints...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002178
EISBN: 978-1-62708-188-7
... Abstract This article discusses the factors influencing cast iron machining and selection of cutting fluid and cutting tool materials. It presents a comparison of machinability of different types of cast iron, namely, gray cast iron, ductile cast iron, and malleable cast iron. In addition...