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ASM Committee on Threaded Steel Fasteners, Frank W. Akstens, James Gialamas, Edward J. Bueche, T.P. Madvad ...
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Rafael Agnelli Mesquita, Reinhold Schneider, Cristiane Sales Gonçalves
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Internal thread rolling. (a) With a close-fitting threaded mandrel. (b) Wit...
Available to PurchasePublished: 01 January 2005
Fig. 17 Internal thread rolling. (a) With a close-fitting threaded mandrel. (b) With a threading die that is considerably smaller than the inside diameter being rolled
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Image
Internal thread rolling. (a) With a close-fitting threaded mandrel. (b) Wit...
Available to PurchasePublished: 01 January 1989
Fig. 17 Internal thread rolling. (a) With a close-fitting threaded mandrel. (b) With a threading die that is considerably smaller than the inside diameter being rolled
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Book Chapter
Thread Rolling
Available to PurchaseBook: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002142
EISBN: 978-1-62708-188-7
... rolling, planetary thread rolling, continuous rolling, and internal thread rolling, as well as the rolling machines and dies used. The article describes the factors affecting die life and provides information on radial die load, seam formation, surface finish, and thread dimensions that are affected...
Abstract
This article discusses the three characteristics that are important in evaluating and selecting metals for thread rolling, namely, rollability, flaking, and seaming. It reviews the capabilities and limitations of flat-die rolling, radial-infeed rolling, tangential rolling, through-feed rolling, planetary thread rolling, continuous rolling, and internal thread rolling, as well as the rolling machines and dies used. The article describes the factors affecting die life and provides information on radial die load, seam formation, surface finish, and thread dimensions that are affected by the form of the thread. It explains the reasons for using fluids in thread rolling. The article concludes with a comparison of rolling with cutting and grinding.
Book Chapter
Thread Rolling
Available to PurchaseSeries: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
..., through feed, planetary, and internal. This article focuses on the capabilities, limitations, and machines used for these methods. It describes the three characteristics, such as rollability, flaking, and seaming, used in evaluating and selecting metals for thread rolling. The article explores the factors...
Abstract
Thread rolling is a cold-forming process for producing threads or other helical or annular forms by rolling the impression of hardened steel dies into the surface of a cylindrical or conical blank. Methods that use cylindrical dies are classified as radial infeed, tangential feed, through feed, planetary, and internal. This article focuses on the capabilities, limitations, and machines used for these methods. It describes the three characteristics, such as rollability, flaking, and seaming, used in evaluating and selecting metals for thread rolling. The article explores the factors affecting die life and explains the effect of thread form on processing. It provides information on various fluids used in thread rolling to cool the dies and the work and to improve the finish on the rolled products. The article provides a comparison between thread rolling and cutting, as well as between thread rolling and grinding.
Book Chapter
Thread Grinding
Available to PurchaseBook: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002141
EISBN: 978-1-62708-188-7
... grinding single-rib wheel traverse grinding thread grinding tolerances wheel selection THREADS are sometimes ground instead of being cut or rolled, for the following reasons: If the work is harder than 36 HRC, grinding may be the only feasible production method If the work is softer than...
Abstract
This article discusses the various elements of thread grinding processes, including thread grinding machines, tolerances, wheel selection, grinding speed, and grinding fluids. It describes truing of grinding wheels and reviews the process applications. In addition, the article describes the five basic methods employed for cylindrical thread grinding, namely, single-rib wheel traverse grinding, multirib wheel traverse grinding, multirib wheel plunge grinding, multirib wheel skip-rib, or alternate-rib, grinding, and multirib wheel three-rib grinding. It also provides an overview of centerless grinding of threads and high-volume applications of thread grinding.
Book Chapter
Threaded Steel Fasteners
Available to PurchaseSeries: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001018
EISBN: 978-1-62708-161-0
..., quenched and tempered ASTM A 354, grade BC Low-alloy steel, quenched and tempered SAE grade 7 Medium-carbon alloy steel, quenched and tempered. Roll threaded after heat treatment SAE grade 8 Medium-carbon alloy steel, quenched and tempered ASTM A 354, grade BD Alloy steel, quenched...
Abstract
This article discusses the properties of threaded fasteners made from carbon and low-alloy steels containing a maximum of 0.55% carbon. It provides guidelines for the selection of steels for bolts, studs, and nuts intended for use at temperatures between -50 and 370 deg C. The article also discusses steels rated for service above 370 deg C and describes internationally recognized grade designations. The specifications provided can be used to outline fastener requirements, control manufacturing processes, and establish functional or performance standards. The most commonly used protective metal coatings for ferrous metal fasteners; zinc, cadmium, and aluminum; are described as well.
Book Chapter
Development of Welding Procedures for Friction Stir Welding
Available to PurchaseSeries: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005576
EISBN: 978-1-62708-174-0
... (9) 0.118 (3) 0.079 (2) not specified 4,000 39.45 (16.7) not specified 17 Shoulder: not specified 5083 (rolled plate) Pin: cylindrical, threaded 0.787 (20) 0.236 (6) 0.118 (3) not specified 560 5.90 (2.5) 2 18 Shoulder: not specified 5083 (rolled plate) Pin...
Abstract
This article discusses the development of a welding procedure for friction stir welding (FSW), including the process of defining a preliminary procedure, the optimization of parameters, the development of supporting data, and other key features to ensure a successful procedure. The critical features of FSW tool design, initial process parameters, systematic welding trials, and robustness testing are reviewed. The article provides information on the common features of welding procedure qualification. It also includes a table that lists the procedures used in the production of sound friction stir welds in various aluminum alloys.
Book: Fatigue and Fracture
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
... - 1040 MPa), where the stress range at N = 0.5 × 10 6 cycles is only 26.5 MPa (3.8 ksi). However, static strength may have a significant effect for rolled threads ( Fig. 2 ). Fig. 2 Axial fatigue strength at 10 7 cycles of bolt-nut assemblies with rolled threads and machined threads ( R = −1...
Abstract
This article discusses the effect of thread design, preload, tightening, and mean stress on the fatigue strength of bolt steel. It describes the factors influencing fatigue failures in cold-driven and hot-driven riveted joints. The factors affecting the fatigue resistance of bolted friction joints are also discussed. The article reviews stress concentrations in pin joints and discusses stress-intensity factors for mechanically fastened joints.
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
... them popular for beverage and food containers, body-care products, and other consumer items. Threads can be combined with another feature, such as a rolled groove, to create tamperproof connections, especially for gas tight joints such as carbonated beverage bottles, fruit drinks, and wine and other...
Abstract
This article compares and contrasts mechanical joining techniques used in the manufacture of aluminum assemblies, including seaming, swaging, flanging, crimping, clinching, dimpling, interference and snap fits, and interlocking joints. It provides basic illustrations of the various methods and summarizes the advantages and disadvantages of each. The article also discusses the use of staples, nails, rivets, and threaded fasteners and provides relevant property and performance data.
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... use of fasteners, additional specifications are necessary as a guide to proper design application and installation. All ASTM International, International Organization for Standardization (ISO), and SAE International specifications covering threaded fasteners require that the heads be marked...
Abstract
This article first provides an overview of the types of mechanical fasteners. This is followed by sections providing information on fastener quality and counterfeit fasteners, as well as fastener loads. Then, the article discusses common causes of fastener failures, namely environmental effects, manufacturing discrepancies, improper use, or incorrect installation. Next, it describes fastener failure origins and fretting. Types of corrosion in threaded fasteners and their preventive measures are then covered. The performance of fasteners at elevated temperatures is addressed. Further, the article discusses the types of rivet, blind fastener, and pin fastener failures. Finally, it provides information on the mechanism of fastener failures in composites.
Book Chapter
Steel Tubular Products
Available to PurchaseSeries: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003096
EISBN: 978-1-62708-199-3
... welded and the second group, seamless. Welding Processes In producing welded steel tubular products, flat-rolled skelp, strip, sheet or plate is formed into cylinders that are then joined at the longitudinal or spiral seam by one of the processes described below. Electric Resistance Welding...
Abstract
This article discusses the classifications, specifications, applications and methods for producing welded and seamless steel tubular products, including pipes and tubes. Common types of pipes include standard pipe, conduit pipe, piling pipe, pipe for nipples, transmission or line pipe, water main pipe, oil country tubular goods, water well pipe, and pressure pipe. Pipes in suitable sizes, and most of the products classified as tubing, both seamless and welded, may be cold finished. Pressure tubes are given a separate classification by both the American Society for Testing and Materials (ASTM) and producers. The term tube covers three groups, including pressure tubes, structural tubing, and mechanical tubing.
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001016
EISBN: 978-1-62708-161-0
... in two steps: reducing to an intermediate size no smaller than 0.9 mm (0.035 in.), followed by annealing and redrawing to final size. Fine wire quality rod is generally rolled from steel of grade 1005 or 1006 produced using techniques to provide good surface finish and internal cleanliness...
Abstract
Wire rod is a semifinished product rolled from billet on a rod mill and is used primarily for the manufacture of wire. Steel wire rod is usually cold drawn into wire suitable for further drawing; for cold rolling, cold heading, cold upsetting, cold extrusion, or cold forging; or for hot forging. The article explains these operations, along with the several recognized quality and commodity classifications applicable to steel wire rods. The heat treatments commonly applied to steel wire rod, either before or during processing into wire, include annealing, spheroidize annealing, patenting, and controlled cooling. When the end product must be heat treated, the heat treatment and mechanical properties should be clearly defined. Carbon steel rods are produced in various grades or compositions: low-carbon, medium-low-carbon, medium-high-carbon, and high-carbon steel wire rods. Rod for the manufacture of carbon steel wire is produced with manufacturing controls and inspection procedures intended to ensure the degree of soundness and freedom from injurious surface imperfections necessary for specific applications. This article also describes the various quality descriptors applicable to the rods as well as standard qualities and commodities available in alloy steel wire rod.
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002145
EISBN: 978-1-62708-188-7
... Abstract This article discusses the different classes of gears, namely, spur, helical, herringbone, crossed-axes helical, worm, internal, rack, bevel, or face-type. It describes the methods used to cut the teeth of gears other than bevel gears: milling, broaching, shear cutting, hobbing...
Abstract
This article discusses the different classes of gears, namely, spur, helical, herringbone, crossed-axes helical, worm, internal, rack, bevel, or face-type. It describes the methods used to cut the teeth of gears other than bevel gears: milling, broaching, shear cutting, hobbing, shaping, and rack cutting. The article also reviews the methods that are used to cut the teeth of bevel gears, such as face mill cutting, face hob cutting, formate cutting, helix form cutting, the Cyclex method, and template machining. The machining methods best suited to specific conditions are discussed. The article presents the factors influencing the choice of cutting speed and cutting fluids. It outlines two basic methods for the grinding of gear teeth: form grinding and generation grinding. The article concludes with information on the gear inspection techniques used to determine whether the resulting product meets design specifications and requirements.
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002179
EISBN: 978-1-62708-188-7
... traditional machining operations, such as turning, drilling, milling, shaping, thread cutting, and grinding, to the microstructure of standard steel grades. It also explains the technologies in non-traditional machining processes, such as abrasive waterjet cutting, electrical chemical grinding, and laser...
Abstract
This article describes the influence of steel chemical compositions and microstructure on machining processes. It discusses the various microstructural phases of standard carbon and alloy steels, which influence machinability. The article reviews the expected response of several traditional machining operations, such as turning, drilling, milling, shaping, thread cutting, and grinding, to the microstructure of standard steel grades. It also explains the technologies in non-traditional machining processes, such as abrasive waterjet cutting, electrical chemical grinding, and laser drilling.
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004004
EISBN: 978-1-62708-185-6
... other processes, such as extrusion, coining, trimming, hole punching, and thread rolling. Cold-heading is typically a high-speed process where the blank is progressively moved through a multi-station machine. The process is widely used to produce a variety of small- and medium-sized hardware items...
Abstract
Cold heading is typically a high-speed process where a blank is progressively moved through a multi-station machine. This article discusses various cold heading process parameters, such as upset length ratio, upset diameter ratio, upset strain, and process sequence design. It describes the various components of a cold-heading machine and the tools used in the cold heading process. These include headers, transfer headers, bolt makers, nut formers, and parts formers. The article explains the operations required for preparing stock for cold heading, including heat treating, drawing to size, machining, descaling, cutting to length, and lubricating. It lists the advantages of the cold heading over machining. Materials selection criteria for dies and punches in cold heading are also described. The article provides examples that demonstrate tolerance capabilities and show dimensional variations obtained in production runs of specific cold-headed products. It concludes with a discussion on the applications of warm heading.
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...
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 as their design and functions. It explains the influences of various factors on the selection of tap design features and discusses the principal factors that influence the selection of equipment and procedure for tapping. The article reviews the factors that determine torque demand. It also provides an overview of tap materials and surface treatment and concludes with a discussion on tapping of taper pipe threads.
Book: Composites
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003427
EISBN: 978-1-62708-195-5
... International, Inc.), for permanent installations. The Hi-Lok is a threaded fastener that incorporates a hex key in the threaded end to react the torque applied to the collar during installation. The collar includes a frangible portion that separates at a predetermined torque value. Figure 16 shows a typical...
Abstract
This article focuses on the factors to be considered for selecting fasteners for joining carbon fiber composites. These considerations include corrosion compatibility, fastener materials, strength, stiffness, head configurations, importance of clamp-up, hole fit, and lightning protection.
Book Chapter
Abbreviations and Symbols: Machining
Available to PurchaseBook: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0005701
EISBN: 978-1-62708-188-7
... - approximately equals Standard Taper Pipe Thread sfm surface feet per minute t= not equal to ns nanoseconds SFR smooth face rubber - identical with OD outside diameter SI Systeme International d'Unites > greater than jl:> much greater than SP specific power 2: greater than or equal to SR serrated rubber 00...
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.9781627081887
EISBN: 978-1-62708-188-7
Book Chapter
Heat Treating of High-Speed Tool Steels
Available to PurchaseSeries: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005975
EISBN: 978-1-62708-168-9
... for various types of cutting tools, namely, broaches, chasers, milling cutters, drills, taps, reamers, form tools, and hobs, and for thread rolling dies, threading dies, and bearings. annealing austenitizing carburizing cutting tools hardening heat treatment high-speed tool steel machine tools...
Abstract
This article focuses on various heat treatment practices recommended for different types of high-speed tool steels. Commonly used methods include annealing, stress relieving, preheating, austenitizing, quenching, tempering, carburizing, and nitriding. The article describes hardening for various types of cutting tools, namely, broaches, chasers, milling cutters, drills, taps, reamers, form tools, and hobs, and for thread rolling dies, threading dies, and bearings.
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