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rotational motion

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003030
EISBN: 978-1-62708-200-6
... Abstract Tribology is the science and technology of interacting surfaces in relative motion or, the study of friction, wear, and lubrication. This article focuses on friction and wear processes that aid in the evaluation and selection of materials, for polymers and some composites used in...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005931
EISBN: 978-1-62708-166-5
... best choice for a given application. Monitoring any slow mechanical motion is relatively easy with mechanical limit switches. These inexpensive devices are used to control door and elevator positioning, belt travel, drum rotations, or mechanical indexing. The limitation is the operation...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005450
EISBN: 978-1-62708-196-2
... Abstract This article is a comprehensive collection of fluid dynamic equations for properties of fluids, fluid statics, fluid motion, dimensional analysis, and boundary layer flow. It presents equations for analyzing problems in fluid mechanics, continuity equation, momentum equation, and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004018
EISBN: 978-1-62708-185-6
... PLASTIC DEFORMATION, or the permanent distortion under applied stress, can occur in metals from various mechanisms, such as: Slip from the motion of dislocations (line imperfections) in the crystal structure Twinning, where the crystallographic orientation changes significantly in the region of...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001273
EISBN: 978-1-62708-170-2
... recommended pouring temperature ( Tables 1 and 2 ) and stirred with a vertical motion to promote uniform metal temperature and to avoid metal segregation. Dross on the surface of the pot is skimmed aside while a preheated ladle, preferably of the bottom-pour style, is filled with a predetermined volume of...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003990
EISBN: 978-1-62708-185-6
... workpiece rotates. In this manner, the forging force acts on only a small portion of the workpiece at any one time. Fig. 2 Schematic of (a) rocking-die forge and (b) sample patterns of upper die motion Fig. 3 Examples of die motion in rotary forging. (a) Upper die has both translational...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005424
EISBN: 978-1-62708-196-2
... the body from one that would be obtained by removing the stress. The change between this unloaded configuration and the current configuration defines the elastic strains. The rate form also includes terms that accommodate purely rotational motion, or spins, that must appear for the kinematics to be...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006658
EISBN: 978-1-62708-213-6
... topography, the up-and-down (vertical) motion of the cantilever is calculated by UL + UR – (LL + LR). When the scan direction is perpendicular to the cantilever axis, it is possible to monitor the rotational motion of the cantilever by UL + LL – (UR + LR). While scanning with the AFM, the horizontal...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006456
EISBN: 978-1-62708-190-0
... data required to produce the CT image, the object, source, or detector moves while a sequence of measurements is made. This motion may involve rotation of the test object relative to the source and the detector ( Fig. 1a ) or a combination of rotation and translation. The various types of scanning...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005258
EISBN: 978-1-62708-187-0
... melted in a temperature-controlled cast iron pot that is held at its recommended pouring temperature ( Tables 2 and 3 ) and stirred with a vertical motion to promote uniform metal temperature and to avoid metal segregation. Dross on the surface of the pot is skimmed aside while a preheated ladle...
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
... reasonably similar features. Figure 1 shows an approach to wear classification; here, wear is classified by the type of relative motion. Note that galling, scratching, scoring, and damage from the impact of a foreign body are not strictly forms of wear because material is not necessarily removed (it may...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005668
EISBN: 978-1-62708-198-6
... condition that is to be simulated may not correspond to a rotating pin-on-disk configuration and may be closer to a linear reciprocating motion. Examples of the latter may be the deployment of a stent into an artery, a contact lens moving over the cornea, or the movement of a catheter. The basic pin-on-disk...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006442
EISBN: 978-1-62708-190-0
... regions: Largely reversible domain wall displacement Irreversible domain wall displacement associated primarily with 180° domains, making the largest contribution to the MBN signal Knee of the curve, where remaining 90° domain wall motion takes place ( Ref 1 , 52 ) Domain vector rotation...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001234
EISBN: 978-1-62708-170-2
... to one another. This is referred to as the lead angle. When set within the normal range established by the manufacturer, a spiral motion is imparted to the mass of parts and media. Changing the relationship of the weights alters the spiral path, the speed at which the load moves around the bowl, and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003973
EISBN: 978-1-62708-185-6
...-restricted machines, and they use energy stored in a flywheel to provide the force for forging. The rotating energy of inertia of the flywheel is converted to linear motion by a threaded screw attached to the flywheel on one end and to the ram on the other end. Screw presses are widely used in Europe for...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003021
EISBN: 978-1-62708-200-6
... other half rotates at a prescribed angular velocity while pressure is applied ( Fig. 23 ). Once a desired melted polymer thickness is achieved, the rotational motion is terminated and the parts are pressed together and cooled. Fig. 23 Schematic of the spin welding process Spin welding...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003214
EISBN: 978-1-62708-199-3
... to generate functional characteristics on external cylindrical surfaces, flat surfaces, truncated spherical surfaces, and toroidal surfaces (both internal and external). A characteristic common to all these shapes is that they can be generated by a simple combination of motions. Fig. 1 (a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003187
EISBN: 978-1-62708-199-3
... planing, the length of each stroke and the number of strokes per minute must also be known. Figure 10 indicates relative work and tool motion for linear and rotational types of machining operations. Feed, speed, and depth of cut are shown for both modes. Fig. 10 Work-tool motion Every...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003042
EISBN: 978-1-62708-200-6
... that drilling proceed in such a way that aramid fibers are preloaded by tensile stress and then cut by shearing motion. For a rotating tool, this requirement dictates that the cutting edge of the drill be C-shaped to cut from outside to the center. The drill that was designed and fabricated for this...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003132
EISBN: 978-1-62708-199-3
..., and rotated on its axis to distribute the cold work uniformly around the circumference. Feeding and rotating are synchronized with die motion and occur after the dies have completed their forward stroke. Tube reducing can be used for all alloys that can be drawn on draw benches. Slight changes in...