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(mechanical engineering)
Pulleys to lead a driving belt or rope in a new direction or to keep it from leaving its desired direction.
Tracks that support and determine the path of a skip bucket and skip bucket bail.
Tracks guiding the chain or buckets of a bucket elevator.
The runway paralleling the path of the conveyor which limits the conveyor or parts of a conveyor to movement in a defined path.
(mining engineering)
Steel, wood, or steel-wire rope conductors in a mine shaft to guide the movement of the cages.
Timber, rope, or metal tracks in a hoisting shaft, which are engaged by shoes on the cage or skip so as to steady it in transit.
The holes in a crossbeam through which the stems of the stamps in a stamp mill rise and fall.
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 It might be outdated or ideologically biased.



parts of machine tools, usually bearing surfaces, that by interacting with the surfaces of the parts that are in contact provide precise motion of moving parts (such as machine tables or rests) along a predetermined straight or circular path. A distinction is made between sliding and rolling guides.

Guides must be precisely machined and must have high wear resistance, rigidity, and vibration resistance. The durability of guides is ensured by the hardness and low degree of roughness of the working surfaces, by reliable lubrication, and by meticulous care during use. Guides are usually equipped with devices for periodic adjustments of the clearances between contact surfaces and for periodic compensation for wear. Components that perform analogous functions in other machines, mechanisms, and instruments are also called guides.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in classic literature ?
We neither of us acknowledge it in words, but we both feel that hours may pass before the guide discovers us again.
A fellow-creature of some sort, guide or stranger, is near us--help is coming at last!
Then the guide advances near enough to be identified.
They will pick up plenty to eat (the guide says); and when night comes on they will find their own way to shelter in a village hard by.
I discover my traveling companion at the further end of the room, evidently occupied in questioning the guide. A word from me brings him to my bedside.
The guide listens as attentively to the second-hand narrative as if it were quite new to him.
Such is the household (so far as the guide's story goes) on whose privacy we have intruded ourselves!
The guide stares harder than ever, with every appearance of feeling perfectly scandalized by the question.
The guide's face brightens; he has beaten the true state of the case into our stupid heads at last!
The guide steps forward, and respectfully closes the door for him.
"And doubtless you will find it," was the somewhat too courteous answer of the guide. "Make camp quickly!" he called to the Indians in their tongue.
Chief Guest, Deputy Personnel Services, Brigadier Mustansar Mehmood distributed certificates among the contingent of Senior Guides of Punjab, Khyber Pakhtunkhwa, Azad Jammu and Kashmir (AJK) and Islamabad Capital Territory (ICT).