Page 442 - Analysis and Design of Machine Elements

Index
420
Belt drive (contd.) Boundary-lubricated bearings 332
installation 140 materials 351
maintenance 140 pv factor 340
open-belt drive 121 unit bearing load 340
pulley 121 Brasses 17
sheave 121 Brazing 113
sheave diameter 123 filler materials 113
slack side 125 Brinell hardness 19
slippage 129 British Standard Institute
slip ratio 130 British Standards (BS) 22
speed ratio 129 Brittle fracture 10
tight side 125 Brittle materials 30
wedge effect 126 Bronzes 17, 247, 350
Belt drive, force analysis aluminium bronze 350
centrifugal tension 128 aluminium iron bronze 247
effective tension 126 lead bronze 247, 350
equivalent coefficient of friction phosphor or tin bronze 247
126 tin bronze 350
initial tension 125 Buckling 396
maximum effective tension 127, 131 Bushing 149, 330
slack tension 125 Butt welds 111
tight tension 125
Belts, types of c
flat belt 122 Cap screw 64
ribbed belt 122 Carbon steels 15, 271
round belt 122 high-carbon steels 16
synchronous belt 122 low-carbon steels 16
timing belt 122 medium-carbon steels 16
V-belt 122 Carburizing 20
Bevel gears see Gear, bevel Cardan joints 373
Bolted joints Case hardening 20
crushing strength 71 Cast iron 17
ordinary bolted joints 64, 72, 367 gray cast iron 17
precision bolted joints 64, 71, 367 malleable cast iron 17
relative stiffness 73 nodular cast iron 17
shearing strength 72 white cast iron 17
tightening torque 73 Cast steels 17
Bolts Central plane 235
fatigue fracture 71 Centre distance 124, 160, 176, 190, 237
materials 76 Centrifugal clutches 381
mechanical properties 77 Centrifugal force 128
property classes 76 Centrifugal tension 128
shear bolt 71 Chain 148
stiffness 73 roller chain 149
tension bolt 71 silent chain 150
Bolt strength 71 Chain drive 147–165
Boundary lubrication 333 actual power rating 156