Mechanical Power Transmission HandbookMcGraw-Hill book Company, Incorporated, 1936 - 488 σελίδες |
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Σελίδα 39
... given by 0.55 ; for light - double , multiply ratings given by 0.75 ; for extra - heavy , multiply ratings given by 1.33 . This table is conservative for average conditions ; it is based on an arc of contact of 165 deg . and is not ...
... given by 0.55 ; for light - double , multiply ratings given by 0.75 ; for extra - heavy , multiply ratings given by 1.33 . This table is conservative for average conditions ; it is based on an arc of contact of 165 deg . and is not ...
Σελίδα 91
... given . Formula . - Length of arcs = 3.1416 / 180 radius Xnumber of degrees . Rule . Multiply the factor in the table for any given number of degrees by the radius . = Example . - Given a curve of a radius of 55 ft . and an angle of 78 ...
... given . Formula . - Length of arcs = 3.1416 / 180 radius Xnumber of degrees . Rule . Multiply the factor in the table for any given number of degrees by the radius . = Example . - Given a curve of a radius of 55 ft . and an angle of 78 ...
Σελίδα 200
... given by the preceding formula for self - aligning radial ball bearings . For all other types of radial bearings the carrying capacity will be 75 per cent of that given . Method of Obtaining Load Rating of a Bearing at Any Desired Speed ...
... given by the preceding formula for self - aligning radial ball bearings . For all other types of radial bearings the carrying capacity will be 75 per cent of that given . Method of Obtaining Load Rating of a Bearing at Any Desired Speed ...
Περιεχόμενα
SECTION II | 55 |
SECTION III | 65 |
SECTION IV | 102 |
Πνευματικά δικαιώματα | |
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Συχνά εμφανιζόμενοι όροι και φράσεις
accordance with information acid adjustment alignment allowable effective tension allowable load antifriction application arc of contact BALL BEARINGS belt tension bolt bore cast-iron cent center distance centrifugal coefficient of friction construction coupling Diam double driving duck efficiency employed equipment factor in accordance feet per minute flange flexible friction band friction clutch gear grease grease lubricated hanger head shafts heavy high-speed horizontal Horsepower capacities idler inch width installation jackshafting leather belting line shaft load rating lubrication Manufacturing maximum mechanical medium metal method mineral oil Mineral-retanned moisture motor operating pitch pounds Power capacities r.p.m. variable-speed shaft radial load ratio reduction unit Revolutions per minute ROLLER BEARINGS roller chain rotation rubber shaft speeds sheave shown by Fig sleeve Solid Split sprocket Spur-gear square inch standard starting torque steel TABLE teeth temperature thick torque transmission V-belt vertical weight worm