parallel surfaces

parallel surfaces

[¦par·ə‚lel ′sər·fəs·əz]
(mathematics)
Two surfaces such that one surface is the locus of points on the normals to the other curve at a fixed distance along the normals.
References in periodicals archive ?
The FTP40 system enables a rapid measurement of two opposed parallel surfaces in a single measurement, without moving the measuring object.
Avoid standing waves, which occur when a sound reflects off parallel surfaces and then back into each other.
Turned specimens (base specimens) in general operated in the boundary lubrication regime (characterized by a constant friction coefficient with varying speed) as expected because parallel surfaces theoretically do not generate hydrodynamic pressure.
It is easy to see that the potential between two parallel surfaces is constant across the surface.
Flashbeam' is a light fixture glowing through layers of polycarbonate that creates reflection from ice crystal plates, with horizontal parallel surfaces.
The process, which results in smooth, polished glass with nearly parallel surfaces, involves taking molten glass at approximately 1,832 degrees F.
The Gustine R220 double-disc grinder processes parts from 18mm to 40mm wide with flat and parallel surfaces.
Because large glazing panels are essentially thin-wall parts and must have parallel surfaces for good optical qualities, molding machines must be able to maintain close parallelism of platens and molds--i.
Test location on the casting should have two parallel surfaces.
The company specializes in flat, cylindrical, perpendicular and parallel surfaces with extremely demanding geometry.
For example, consider a hand held micrometer that is calibrated for measuring work-pieces with flat and parallel surfaces by measuring several calibrated gauge blocks (with surfaces larger than the micrometer anvil size).

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