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Published: 01 January 1989
Fig. 7 Two styles of expansion taps More
Book Chapter

By Mark Johnson
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002139
EISBN: 978-1-62708-188-7
... Abstract Tapping is a machining process for producing internal threads. This article provides a discussion on machines and accessories of tapping. It reviews the seven categories of taps, namely, solid, shell, sectional, expansion, inserted-chaser, adjustable, and collapsible taps, as well...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005196
EISBN: 978-1-62708-187-0
..., and lining push-out device used in induction furnaces are also reviewed. The article concludes with a discussion on batch operation and tap-and-charge operation, two distinct ways of operating a coreless induction furnace. induction furnaces electromagnetic stirring mechanical skimmers silica...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002192
EISBN: 978-1-62708-188-7
... and small), radiation shielding, gyroscope rotors, and aircraft counterweights ( Ref 5 ). Some unique characteristics of uranium and uranium alloys that affect their machinability include: Shape memory A nonisotropic coefficient of thermal expansion Their pyrophoric, radioactive, and toxic...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002186
EISBN: 978-1-62708-188-7
... chip formation and distortion due to thermal expansion, cold work, and clamping and provides information on magnesium-matrix composites. The article describes materials, design, and sharpness as factors for selection of tool for machining magnesium. It illustrates turning and boring, planing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003173
EISBN: 978-1-62708-199-3
... of the channel by electromagnetic forces into the remainder of the bath, which it heats by mixing. Because only liquid metal can enter the channel around the inductor, channel furnaces must be charged with liquid metal to start a melting cycle, and, when the liquid bath is tapped, some liquid must remain...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006133
EISBN: 978-1-62708-175-7
..., as is common in machining of stainless steel. The use of coolants and lubricants is optional except for thread tapping. If used, they should be water-based, nonalkaline formulations. Tungsten heavy alloys may be readily cut using a heavy-duty shop band saw equipped with either a bi-metal blade with hook...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005195
EISBN: 978-1-62708-187-0
... Abstract This article focuses on the construction, operation of electric arc furnaces (EAF), and their auxiliary equipment in the steel foundry industry. It provides information on the power supply of EAF and discusses the components of the EAF, including the roof, furnace shell, spout and tap...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006109
EISBN: 978-1-62708-175-7
... Abstract This article describes the methods for determining the flow rate of metal powders. It examines the factors affecting flow rate, apparent density, and angle of repose of metal powders. The article reviews the frictional properties, cohesive strength, frictional properties, tap density...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001099
EISBN: 978-1-62708-162-7
... Abstract Low-expansion alloys are characterized by their dimensional stability, suiting them for applications such as geodetic tape, bimetal strip, glass-to-metal seals, and electronic components. This article describes the composition of such alloys along with related properties and behaviors...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006501
EISBN: 978-1-62708-207-5
..., expansion fits). Interference fits, such as pressing a tab or post of one component into a hole in the mating component, create joints based on the difference in the elastic recovery of the two parts being joined, leading to an interference pressure between the parts after deformation. Another method...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006104
EISBN: 978-1-62708-175-7
..., turning, drilling, tapping, grinding, and finishing. The article introduces a few overlooked details that can heavily influence the performance and success of the machining process. These include dwell, margin design on round tools, and proper edge hone. cutting tool grades drilling finishing...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002184
EISBN: 978-1-62708-188-7
..., broaching, reaming, tapping, milling, sawing, grinding, honing, and lapping. The article concludes with a discussion on drilling operations in automatic bar and chucking machines and drill presses. aluminum aluminum alloys boring broaching cutting force grinding high-silicon aluminum alloys...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006329
EISBN: 978-1-62708-179-5
... that decreases as the pouring temperature increases, thereby favoring low pouring temperatures. The fact that metal tap temperatures seldom exceed 1550 °C (2825 °F). Because ladling and reladling to the point of pouring generally accounts for temperature losses of 55 to 85 °C (100 to 150 °F), the final...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003192
EISBN: 978-1-62708-199-3
... Abstract This article is a comprehensive collection of machining data, presented in tables, covering most of the commonly used machining operations including turning, face milling, end milling (peripheral), drilling, reaming, and tapping of several materials. It provides starting...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006098
EISBN: 978-1-62708-175-7
... Abstract This article describes the physical properties of powder metallurgy (PM) stainless steels. These include thermal diffusivity, conductivity, thermal expansion coefficient, Poisson's ratio, and elastic modulus. The article contains a table that lists the characteristics of various grades...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006337
EISBN: 978-1-62708-179-5
... as necessary by alloy additions, the melt is tapped and transferred by ladle to molds. The tapping temperature, usually 1475 to 1600 °C (2700 to 2900 °F), depends on the composition of the iron, the fluidity of the iron required to fill the thinnest sections to be cast, and the facilities for metal transfer...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003174
EISBN: 978-1-62708-199-3
... are added to molten metal during or after tapping, rather than being added to the cupola charge. If the ladle that receives the molten metal at the spout will pour the castings without a transfer, the alloying metal may be added to the stream at the spout. This practice generally provides reasonably...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003841
EISBN: 978-1-62708-183-2
...) to occur in a refractory that may limit corrosion by penetration. In Al 2 O 3 /MgO castables, this type of behavior is observed. When Al 2 O 3 and MgO are in contact at elevated temperatures, a MgO-Al 2 O 3 spinel is formed, a material with a large volume expansion. When MgO and Al 2 O 3...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005836
EISBN: 978-1-62708-167-2