Page 351 - Mechanical Engineer's Data Handbook

INDEX 339

Rotational speed measurement. 284-5 rubber-tyre type, 41 Slenderness ratio. struts, 46
Roughness, metal cutting, 193 sleeve, 42 Slides, machine tools. materials for.
Rubber couplings, 41-7 solid bolted. 43 characteristin of. 86
see also shafts solid pinned sleeve, 43 Slip gauges,
Rubber (elastomers). solid sleeve. 43 angle measurement. 270
adhesives, 251-2 critical speed of whirling, linear measurement. 269
adhesives for, 255 cantilevered shaft with disk. 44 Sodium,
cellular, 247 central disk shaft, 44.45 density. 263
coefficient of expansion, 265 Dunkerley's calculation method, 45 thermoelectric sensitivity, 275
densities. 264 energy calculation method, 45 Sodium silicate adhesive. 254
friction coefficient with asphalt; concrete; non-central disk shaft, 44-5 Solar system. 62
metal; road, 854 uniform shafts, 45 Soldering,
natural, 248 factors of safety, 309 common solder alloys. 260
specific heat capacity, 1 IO with gears, 39 joint types, 206
surface emissivity, 137 keys. silver solder. 205
synthetic, 248-50 feather. 40 soft solder, 205
thermal conductivity. 132 Gibhead. 40 sound,
velocity of sound in. 309 rectangular. 40.302 loudness of various. 309
Rubber springs, 37 round. 40 sound absorbing materials, 262
Rule. engineer's, 267 saddle. 40 velocity in a gas, 161
WOodrufT. 40 velocity in various media, 309
Salt. specific heat capacity, I IO with levers, 39 Specific heat. gases. definition, 103
Sand, resultant bending moment, 38-9 Specific heat capacities. common
specific heat capacity, I IO splines, 41 SUbstdm. 110
thermal conductivity, 132 stress concentration factors. 214 Sphere,
Sand casting. 196 torque diagram, 39 centre of percussion, 60
Sandstone, torsional vibration, hoop stress, thin with internal pressure.
coefficient of expansion, 265 single disk on shaft, 46 49
thermal conductivity, 132 two disks on shaft. 46 stresses, thick with internal pressure.
Satellites, torsion in, 67 4%50
orbital velocity, 64 Shearing press tools, 203 Spheroidal graphite (SG) iron, properties,
orbit height, 64 Shear stress see Stress, shear 218. 238
orbit time, 64 Shell casting. 1%7 Spinning metal processing, general
synchronous, 64 Shore scleroscope, hardness testing. 285 characteristics, I72
SBR (Styrene butadiene rubbers), 248 Shrink fit, cylinders, 50 Spiral springs see Springs
Scots pine, mechanical properties, 250 SI equivalents. 291-3 Spline dimensions. IS0 straight-sided, 303
screws, types of, 295 Silica, specific heat capacity, 1 IO Splines see Shafts
Screw threads, Silica gel. corrosion prevention. 240 Spring materials.
Acme threads, 76 Silicon. alloy steels. 235
British Association (BA), 8,300 specific heat capacity, 1 IO carbon steels, 235
British Standard Fine (BSF), 8 as steel alloy element, 223 moduli of, 235
British Standard Pipe (BSP), 8 thermoelectric sensitivity, 275 non-ferrous alloys. 235
BSP pipes, Whitworth thread, 301-2 Silicon-chromium steel (spring), 235 spring brass. 235
buttress threads, 76 Silicone resin adhesives. 253 Springs.
coeflscient of friction, 77.84 Silicone rubber adhesives. 252 Bellville washer (disk or diaphragm),
IS0 metric. 8, 299 Silicone rubbers. 249 36.38
multi-start threads, 76 adhesives for, 255 clock, 38
power transmission, 75 Silicones. 245, 246, 248 conical helical compression. 34
square threads, 76.84 Silicon foams, 246 cylindrical torsion, 37
stress concentration factors, 24 Silicon-mangenese steel (spring). 235 Factors of safety, 309
Unified Coarse (UNC), 8.301 Silicon nitride, properties, 259 helical compression, 32.334
Unified Fine (UNF), 8,301 Silver, helical tension. 33
vee threads, 76.84 applications. 234 helical torsion. 33
Seawater, specific heat capacity, I IO expansion coefficient, 265 leaf, 35
Selenium, thermoelectric sensitivity, 275 latent heat of fusion, 108 rubber,
Semiconducting materials, 261 properties pure, 240 cylindrical shear. 37
Semi-conducton. resistance temperature resistance temperature coefficient, 277 two-block shear. 37
coefficient, 277 specific heat capacity. I IO spiral. 34
Shafts, thermal conductivity, 131 strain energy/form factors, 37-8
couplings, thermoelectric sensitivity, 275 torsion bar. 35-6
bonded rubber, 43-5 Silver solder, 205 vibration.
claw, 42 Simple harmonic motion, axial. 33
disk, 41 frequency, 80 torsional. 33
gear, 42 periodic time, 80 Wahl Factor. 32
Metalflux, 42 Sine bar, angle measurement, 270 Spur gears, 97
metal spring. 42 Sintering, general characteristics, I72 Square threads, 76
moulded rubber insert, 41 Slag wool, thermal conductivity, 132 Stainless steel.
Muff, 42 Slate, austinitic. 225-7
Oldham, 42 expansion coefficient. 265 ferritic, 225-7
rubber-bushed pin, 41 thermal conductivity, 132 Martensitic. 225-7