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thread rolling

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Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
...Abstract 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...
Book Chapter

Book: 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
...Abstract 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...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
...Abstract Abstract Metalworking is one of the three major technologies used to fabricate metal products. This article tabulates the classification of metal forming processes. It discusses different types of metalworking equipment, including rolling mills, ring-rolling machines, and thread...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005975
EISBN: 978-1-62708-168-9
... tools, and hobs, and for thread rolling dies, threading dies, and bearings. References References 1. “Molybdenum High-Speed Tool Steels (M Series),” Heat Treater's Guide: Practices and Procedures for Irons and Steels , 2nd ed. , ASM International , p 639 – 669 2. “Tungsten High...
Book Chapter

Book: 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...
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...
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...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001018
EISBN: 978-1-62708-161-0
... 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 and tempered SAE grade 8.2 Low-carbon martensite steel, quenched...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002127
EISBN: 978-1-62708-188-7
... it is necessary to refurbish components or correct a mistake ( Ref 58 ). The remachining of rolls in the steel or paper industries or the removal of worn threads from thread rolling dies ( Ref 59 ) are other examples. More recently, there has been some work carried out with PCBN cutting tools, particularly...
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 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...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000623
EISBN: 978-1-62708-181-8
... before their collars “torqued off.” Comparisons were made with pins produced by other manufacturers that did not fail during installation. The only significant differences observed were in the extent of shear-band formation and the orientation of shear bands near the roots of the rolled threads, both...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
... structure that is different from base structure. Hydrogen suspected. Nital etch Any forming process, such as forging or thread rolling, can produce folds or laps. Generally, folds in threads are called laps. Folds follow grain flow and do not cross it. The tips are blunt and often bifurcated. Because...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002180
EISBN: 978-1-62708-188-7
... of lead or tellurium (MnTe) with sulfur (MnS) and selenium (MnSe) on machinability in a drill test for an 18Cr-9Ni austenitic stainless steel. Source: Ref 17 Fig. 15 Effect of tellurium on sulfide shape in a 13% Cr martensitic stainless steel hot rolled various percent reductions in area...
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
... 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...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002143
EISBN: 978-1-62708-188-7
... external threads in cylindrical or tapered surfaces by the use of solid or self-opening dies. Die threading is a slower method of producing external threads than thread rolling, but it is faster than single-point threading in a lathe. Hardness of the work metal limits the application of die threading...
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
.... (a) Beading. (b) Necking Fig. 6 Cross section of a monotube damper with dimpled rod guide to outer tube joint Fig. 7 Example of lock forming Fig. 8 Joining by expanding. (a) Flaring. (b) Upset bulging. (c) Tube assembly via rolling Fig. 9 Internally threaded rivet...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001104
EISBN: 978-1-62708-162-7
... ( Fig. 35 ). A number of methods are available for producing thread forms. These can be divided into two major categories: forming the thread, and machining (or cutting) the thread. A common thread forming process is thread rolling, which utilizes two diametrically opposed dies to cold form a thread...
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
... applications, including floorstand, portable snagging, weld grinding, and most cutoff applications. In precision grinding, resin bonds are used in three situations: where system flexibility would break down a vitrified wheel (such as steel mill roll grinding and most centerless-bar grinding applications...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002147
EISBN: 978-1-62708-188-7
... thread rolling MULTIPLE-OPERATION MACHINING refers to the machining of identical parts in high volume when the operations are performed consecutively or simultaneously to permit complete machining of the workpiece in one setup. Turning, cutoff, facing, drilling, boring, tapping, threading, and other...
Series: 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...