faceplate
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faceplate
[′fās‚plāt] (electronics)
The transparent or semitransparent glass front of a cathode-ray tube, through which the image is viewed or projected; the inner surface of the face is coated with fluorescent chemicals that emit light when hit by an electron beam. Also known as face.
(engineering)
A disk fixed perpendicularly to the spindle of a lathe and used for attachment of the workpiece.
A protective plate used to cover holes in machines or other devices.
In scuba or skin diving, a glass or plastic window positioned over the face to provide an air space between the diver's eyes and the water.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
Faceplate
a device used in lathes, boring machine tools, and other metal-cutting machines for holding the blank or the cutting tool so that the blank or tool can be rotated. Faceplates are generally used for fastening blanks that have either irregular shapes or large diameters but are of moderate length. The blanks are attached by clamps, angles, cover plates, or bolts.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
faceplate
Any protective plate, such as an escutcheon or the plate over a mortised lock.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
faceplate

factor of safety
i. A design factor used to provide for the possibility of loads greater than those assumed, and for uncertainties in design and fabrication. (ICAO). In aircraft design, the margin of strength against loads greater than the limit load—normally 1.5 to 1.7 times for most parts.
ii. The ratio of the breaking strength of a structure to the maximum load that it will ever be exposed to in normal usage. This is always greater than unity.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved