Page 453 - Analysis and Design of Machine Elements
P. 453
Soldering 113 resonance 396 Index 431
Sommerfeld number 345 thermal relaxation 396
Spacer 274 yield 396
Spay lubrication 250 Springs, helical coil 389
Specific heat 347 Springs, helical compression
Speed ratio 239 allowable stress 408
Speed sensitive clutch 381 buckling analysis 402
Spiral bevel gears 174 critical frequency 403
Spiral springs 391 deflection 402
Spiroid gearing see Spiroid wormgear drives end configurations 389
Spiroid wormgear drives 235 fatigue strength 399
Splines 96, 275 fundamental natural frequency 403
failure mode 97 preload 397
involute 97 slenderness ratio 402
straight-sided 97 spring rate 402
types of 97 static strength 399
Spring index 393 Springs, helical extension
Spring rate 270, 393, 394, 402 allowable stress 408
Springs 388 characteristic curve 404
characteristic curve 391 end configurations 390
load-deflection relationship 391 initial tension 404
manufacturing 407 initial torsional stress 404
materials 407 Springs, helical torsion
storage and dissipation of energy 395 allowable bending stress 408
Springs, cylindrical helical angular deflection 406
deflection 393 bending stress 406
end configurations 389 end configurations 391
free height/length 393 spring rate 406
geometry and terminology 392 Wahl factor for torsion spring 406
installed height/length 393 Springs, types of
mean diameter 393 Belleville springs 391
number of active coils 393 cylindrical helical springs 389
operating height/length 393 helical coil springs 389
pitch 393 helical compression springs 389
slenderness ratio 394 helical extension springs 389
solid height/length 393 helical torsion spring 389
spring index 393 leaf spring 392
spring rate 393 spiral springs 391
totalnumberofcoils 393 Sprocket 148
Wahl factor 399 Spur gears 174
wire diameter 392 Stainless steels 16
wire length 394 Standardization Administration of the
Springs, failure modes People’s Republic of China (SAC)
buckling 396 GB 22
corrosion 396 Standards 22
creep 396 Static load 27
fatigue 396 Static strength 29, 268
