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thread cutting

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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
... 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...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003189
EISBN: 978-1-62708-199-3
... materials. Emulsifiable oils can be used for practically all grinding operations with the exception of severe grinding operations, such as form, thread, and plunge grinding where wheel form is a critical factor. Extreme-pressure, compounded emulsifiable oils do not suffer from this limitation. Cutting...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001232
EISBN: 978-1-62708-170-2
... capabilities, and overall drilling efficiency. Rotary ultrasonic machining uses a diamond-plated drill and is water cooled because the diamond-impregnated abrasive provides the cutting edge. Rotary ultrasonic machining can be used for milling, drilling, threading, and grinding applications. However, its use...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001320
EISBN: 978-1-62708-170-2
..., milling, threading, and grooving. Ceramic tools are inherently more stable than carbide tools at high temperatures (high cutting speeds) but are less fracture resistant; hence, recent developments have been focused on improving their fracture toughness. There are basically two classes of ceramic cutting...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003188
EISBN: 978-1-62708-199-3
..., stainless steels, ductile irons, free-machining aluminum and other nonferrous alloys, and some high-temperature alloys. The metal removal operations may include turning, boring, milling, threading, and grooving; speeds up to 365 m/min (1200 sfm) are common. Table 1 lists properties of two cermet...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003021
EISBN: 978-1-62708-200-6
... cutting or thread forming. To select the correct self-threading screw for a job, the designer must know which plastic will be used and its modulus of elasticity. A thread-forming screw displaces material as it is installed in the receiving hole. This type of screw induces high stress levels in the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003192
EISBN: 978-1-62708-199-3
... tool geometry, see Tables 55 , 56 , 57 , 58 , 59 , 60 , and 61 ; for recommended cutting fields, see Table 62 . (a) These speeds are for tapping 65 to 75% threads in shallow through holes. Reduce the speed when tapping deep holes, blind holes, or higher percentage of thread. Table 7...
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
... rolling, and knurling. Cold-heading machines vary in terms of the number of dies/stations, forging load, blank or wire size, blank cut-off length, speed, transfer mechanism, and special finishing capabilities, such as thread forming and knurling. Figure 8 shows a typical layout inside a six-die cold...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001221
EISBN: 978-1-62708-170-2
... air systems equal or surpass the finish quality provided by liquid abrasive slurry. Other benefits include no measurable amount of metal removed from close tolerance surfaces (fine threaded screws) and noncontamination of work surfaces with wide range of bead sizes (170 to 400+ grit). Glass bead...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006016
EISBN: 978-1-62708-172-6
... installation of the protective coating/lining system. Prior to beginning surface-preparation operations, many specifications will require a presurface-preparation inspection to verify the correction of fabrication defects and removal of surface contamination such as grease, oil, cutting compounds, lubricants...
Book

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

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003193
EISBN: 978-1-62708-199-3
... ground Thread grinding, which involves thread cutting by the use of a suitably shaped grinding wheel Figure 5 shows these production grinding processes as well as some subsets of these methods. More detailed information can be found in the article “Grinding Equipment and Processes” in...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000612
EISBN: 978-1-62708-181-8
... rectangle. 1000× Fig. 725 Higher-magnification view of the area in the rectangle in Fig. 724 . This SEM view shows that in the fine-scale structure there do appear to be some delicate cleavage steps, particularly at right. 4000× Fig. 726 Low-cycle fatigue fracture in threaded specimen...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005333
EISBN: 978-1-62708-187-0
..., proportionately smaller studs can be used safely. The ability to cast threads is a major advantage of the die casting process. Cast threads should be specified wherever their use reduces cost over that for cut threads. Most external threads can be cast. It is common practice to cast coarse external threads...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001282
EISBN: 978-1-62708-170-2
... threading followed by grit blasting. Rough threading is generally used for cylindrical surfaces and with thick flame sprayed coatings. The part to be prepared is mounted in a lathe and a single thread cut is taken. Tools for this purpose have a 60° to 70° point with a slight negative back rake. Screw feeds...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001240
EISBN: 978-1-62708-170-2
.... Straight oils are used in thread grinding or crush grinding where more lubricity is required. The semisynthetic fluids are somewhere in the middle where cooling is important but lubricity is required. In an electrical discharge machining operation, it is important that the dielectric oil provide good...
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
... fracture, crack propagation, ductile overload fracture, dimpled rupture, microvoid coalescence, and quasi-cleavage fracture of these alloys. cleavage fracture ductile fracture fatigue crack growth fatigue fracture fractograph stress-corrosion cracking tensile fracture threaded fasteners...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003152
EISBN: 978-1-62708-199-3
..., vibration-free operation P10 Steel, steel castings Turning, copying, threading, and milling; high cutting speeds, small or medium chip sections P20 Steel, steel castings, malleable cast iron with long chips Turning, copying, milling, medium cutting speeds and chip sections; planing with small chip...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003096
EISBN: 978-1-62708-199-3
... in sizes from 26 to 114 mm (1.05 to 4.50 in.) in outside diameter, in several weights per foot. Ends are threaded for special integral-type joints or fitted with couplings and may or may not be upset externally. Water well pipe is a collective term applied to four types of pipe that are used in...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000613
EISBN: 978-1-62708-181-8
... and adjacent to the larger dimples. SEM, 4000× Fig. 781 Low-cycle fatigue fracture in threaded specimen of AISI H11 tool steel (same heat treatment and tensile strength as in Fig. 774 ) that broke after 21,000 cycles of tension-tension ( R = 0.1); maximum load, 60% of tensile strength...