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automatic turning machines

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001852
EISBN: 978-1-62708-241-9
... The specimens studied were sectioned and cold-mounted in epoxy resin. The mounted specimens were then ground and polished to a mirror-finish using 500, 1200, and 4000 grit SiC paper, followed by 3, 1 and 1 4 μm diamond paste. All grinding and polishing was carried out on a semi-automatic machine...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... with a kingpin mounted near vertically through the eye at each end of the axle. The yoke of each front wheel stub axle fits over the corresponding eye of the beam axle and around the kingpin, thereby forming the axis about which the stub axle can turn in order to steer the truck. Kingpins are normally simple...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... gases. These numbers are (generally, with modern instruments) automatically converted to a percent of carbon and/or sulfur in the original metal specimen. All of the methods described so far are in some manner destructive. When a less destructive method is required or when a failure investigation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... wear, the test is automatically stopped, and the lifetime of the test is recorded. Alternatively, the tests are suspended at different durations to study the wear rate. The characteristics of various types of RCF test methods are summarized as follows. Modified Four-Ball Machine Five-Ball Machine...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
... Engineering Design , McGraw-Hill , New York, NY , 1972 30. Norton R.L. , Machine Design , Prentice Hall , Upper Saddle River, NJ , 2011 31. Rice R.C. , Ed., SAE Fatigue Design Handbook , 3rd ed. , Society of Automotive Engineers , Warrendale, PA , 1997 32...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... not require edge preparation and are necessary for use in seam and spot welding of sheet metals. Edge joints between the edges of two or more parallel or nearly parallel members. Edge joints may not require the addition of filler metal for welding and are frequently used to joint thin turned-out edges...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... in mechanical, electronic, and structural components. After machining, casting, shot peening, turning, heat treatment, and so on, the residual stress can vary significantly from the surface through the subsurface ( Ref 2 ). These residual stresses must therefore be characterized at the surface and through...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... rolling-element bearing working temperatures Table 13 Nonexhaustive list of typical rolling-element bearing working temperatures Application type Working temperature °C °F Table boring machine 40 105 Circular saw 40 105 Lathe spindle 50 120 Wood-milling spindle...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... operation thus requires automatic drilling machines capable of identifying hole location, starting and stopping quickly, and changing worn drill bits as needed. The maximum drilling rate for the system is the rate of maximum drill bit breakage. Generally, the optimal drilling conditions are determined...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... ): Design Improper selection of material Heat treatment Fabrication Improper machining and assembly These factors may be related to the occurrence of a failure in various ways, for example, the initiation of a crack or the increased susceptibility to wear or corrosion. General...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
..., for example, low-cycle fatigue versus high-cycle fatigue, abrasive wear versus adhesive wear, uniform corrosion versus galvanic corrosion, and tensile overload versus creep. As an example, a washing machine for clothes may have a fractured coupling between the shafts of the electric motor...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
... be found in samples after grinding, turning, rolling, inclined shot peening, and honing processes. Shear stresses can also be created due to material heterogeneity with nonuniform microstrains. This is often seen in multiphase materials ( Ref 2 ). When ψ-splitting is observed, a nonlinear regression should...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... to the component outside surface, where a smooth thumb-nail-shaped region is seen, followed by a rough, apparently brittle area of fracture, followed in turn by a small amount of slant fracture. In such a case, the initial fracture may have been by fatigue, followed by fast fracture when the crack had reached...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
..., the mount should be of a material that is not chemically attacked. The grinding and polishing procedure is best carried out on an automatic or semiautomatic machine. The structure of each and every ceramic product has been specifically adjusted to exhibit the required properties and thus shows a unique...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... introduction in Europe and carburized materials, such as 8620, for roller bearings since the turn of the century in the United States. A commonly accepted minimum surface hardness for most bearing components is 58 HRC. The carburizing grades have a core hardness range of 25 to 45 HRC. At surface-hardness...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003533
EISBN: 978-1-62708-180-1
... with the electron gun in operation while a sample is inserted through an air-lock into the specimen chamber. Such ports can significantly improve productivity by eliminating the need to turn the microscope off and vent the chamber each time the operator wishes to examine a new sample. The introduction of low...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006769
EISBN: 978-1-62708-295-2
... are used to produce an electron beam. These machines have better resolution than conventional SEMs, while being easier to use than the cold-field-emission machines. Although more expensive than the conventional thermionic instruments, the sale and use of thermal-field-emission instruments has greatly...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... , ISBN 978 1 941872 30 7 • Tobie T. , Hippenstiel F. , and Mohrbacher H. , Optimizing Gear Performance by Alloy Modification of Carburizing Steels , MDPI AG , Basel, Switzerland , 2017 10.3390/met7100415 • Wilde R.A. , Failures in Gears and Related Machine...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... Society of Mechanical Engineers 17. Talbot T.F. , Safety for Special Purpose Machines , Paper 87-WA/DE-8, American Society of Mechanical Engineers 18. Talbot T.F. , Chain Saw Safety Features , Paper 86-WA/DE-16, American Society of Mechanical Engineers 19. Talbot T.F...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
... lifting equipment is operated. Fig. 1 End of a steel wire rope that failed in tension because of overloading. Necking at the ends of the wires indicates ductile fracture; no worn or abraded areas were found at the break. Section changes, keyways, lubrication holes, rough-machining marks...