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Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work (1910)

Lobben, Peder, 1858- · New York, D. Van Nostrand company · leaf 358

An illustration from Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work, 1910, leaf 358
et or more have been used, but only whenit is possible to give the rope the proper deflection without itstouching the ground. Usually the speed is from 3000 to 6000feet per minute. Higher speed would be dangerous from thestress in cast-iron wheels due to centrifugal force. ■^ - « ^ .3 eu + + + ^2 4… … Tightening pulleys should not be used, because if the distancebetween centers of shaft is too short to give the proper tightnessto the rope without a tightening pulley, wire rope transmissionis not the form best adapted to the circumstances. Guidepulleys or idlers should be avoided as much as…

Mechanical engineering

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More pictures from Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work

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