Page 445 - Analysis and Design of Machine Elements

fretting fatigue 71 Fluctuating loads 28 Index 423
high cycle fatigue 33 Fluctuating stress 29
infinite life 33 Fluid lubrication see Hydrodynamic
low cycle fatigue 33 lubrication
stages 32 Force analysis
Fatigue failure, surface 10, 304 bevel gear 199
pitting 10, 52, 181 helical gear 192
spalling 52 rolling contact bearings 299
Fatigue limit see Endurance limit shaft 262
Fatigue strength 32, 33 spur gear 182
for combined stresses 43 worm and wormgear 240
linear cumulative damage rule 41 Fracture 10
S-N curve 33 brittle fracture 10
strain-life method 32 ductile fracture 10
stress-life method 33 fatigue fracture 10, 32, 272
for uniaxial stresses with constant Fracture surface diagram 32
amplitude 39 Fretting wear 335, 340
for uniaxial stresses with variable Friction 125, 332, 379
amplitude 41 dry friction 333
Fatigue wear 334, 340 equivalent coefficient of friction 244
Felt seal 316 fluid friction 333
Ferrite 16 rolling friction 333
Fillet welds 111 sliding friction 333
leg length 111 Frictional torque 66, 378
throat length 111 Friction clutches 377
throat section 111 dry operation 379
Finishing 204 friction materials 379
Finite element analysis 12 multiple disk friction clutch 378
Fits 314 single disk friction clutch 378
clearance fit 314 wet operation 379
interference fit 314 Full-film lubrication see Hydrodynamic
Flame hardening 20 lubrication
Flexible couplings Fundamental natural frequency
Cardan joints (see Universal coupling) shaft 270
chain coupling 373 spring 403
diaphragm coupling 374 Fusion welding 109
elastomeric pin coupling 374
gear coupling 373 g
metallic grid coupling 374 Galling 10, 155, 334, 340
Oldham coupling 368 Gear 173
pin and bushing coupling 374 accuracy grade 180, 204
resilient coupling with spider 374 allowable bending stress 206
slider block coupling 368 allowable contact stress 206
tire coupling 374 application factor 179
universal coupling 373 bending endurance limit 205
universal joint (see Universal coupling) contact endurance limit 205
Flexible shafts 261 dynamic factor 179