- Project Runeberg -  Machinists' and Draftsmen's Handbook /
vii

(1910) Author: Peder Lobben - Tema: Mechanical Engineering
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BELTS.
Lacing belts 327
Cementing belts 328
Length of belts 329
Horse-power transmitted by belting 329
To calculate size of belt for given horse-power when
diameter of pulleys and number of revolutions are
known
330
To calculate width of belt when pulleys are of unequal
diameter
331
To find the arc of contact of a belt 332
Pressure on the bearings caused by the belt 333
Special arrangement of belts 335
Crossed belts 336
Quarter-turn belts 336
Angle belts 337
Slipping of belts 337
Tighteners on belts 337
Velocity of belts 337
Oiling of belts 338
ROPE TRANSMISSION.
Transmission capacity of wire ropes 340
Deflection in wire ropes 342
Transmission of power by manila ropes 344
Weight of manila rope 346
Preservation of manila rope 347
PULLEYS.
Stepped pulleys 350
Stepped pulleys for back geared lathes 354
FLY WHEELS.
Weight of rim of a fly-wheel 356
Centrifugal force in fly-wheel and pulleys 357
Rules for calculating safe speed of fly-wheels 360
Rule for calculating safe diameter of fly-wheels 360
SHAFTING.
Shaft not loaded at the middle between hangers 361
Transverse deflection in shafts 361
Allowable deflection in shafts 362
Torsional strength of shafting 363
Torsional deflection in shafting 364
Horse-power transmitted by shafting 365
Distance between bearings 367
Proportions of keys 368
Dimensions of couplings 369

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