Mechanical Power Transmission HandbookMcGraw-Hill book Company, Incorporated, 1936 - 488 σελίδες |
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Σελίδα 364
... reducer , and both supported on a common base plate of either welded steel or cast iron . The herringbone unit can be employed as a speed increaser as well as a reducer . for Herringbone Reducers . ) ( See Sec . XIII Motorized Reduction ...
... reducer , and both supported on a common base plate of either welded steel or cast iron . The herringbone unit can be employed as a speed increaser as well as a reducer . for Herringbone Reducers . ) ( See Sec . XIII Motorized Reduction ...
Σελίδα 405
... reducer has advantages over the motorized unit in that it is suitable where ( 1 ) it is preferable to have the motor separate from the reducer , ( 2 ) the power requirement exceeds 75 hp . , ( 3 ) the ratio requirement exceeds 180 : 1 ...
... reducer has advantages over the motorized unit in that it is suitable where ( 1 ) it is preferable to have the motor separate from the reducer , ( 2 ) the power requirement exceeds 75 hp . , ( 3 ) the ratio requirement exceeds 180 : 1 ...
Σελίδα 417
... reducer in a horizontal position varies . Three methods of combination are used . In one ( Fig . 9 ) the motor has provision for sup- port , and the reducer is unsupported . This construction is not desirable for ratios exceeding 10 : 1 ...
... reducer in a horizontal position varies . Three methods of combination are used . In one ( Fig . 9 ) the motor has provision for sup- port , and the reducer is unsupported . This construction is not desirable for ratios exceeding 10 : 1 ...
Περιεχόμενα
SECTION II | 55 |
SECTION III | 65 |
SECTION IV | 102 |
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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 driven machine 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 capacity idler inch width installation jackshafting leather belting line shaft load rating lubrication Manufacturing maximum mechanical medium metal method mineral oil Mineral-retanned motor operating pitch pounds Power capacities pulley diameters r.p.m. variable-speed shaft radial load ratio reduction unit Revolutions per minute roller bearing roller chain rotation rubber shaft speeds sheave shown by Fig sleeve Solid Split sprocket Spur-gear standard starting torque steel TABLE teeth temperature thick torque transmission V-belt vertical weight worm