Page 343 - Mechanical Engineer's Data Handbook

INDEX 33 1

Beams, bending. Shafts. 22-3 thermal conductivity, I31
basic theory, 25 stepped bars, 21 Brasses.
continuous beams. 27 stress, 2 applications. 229, 238
deflection coefficient. 26 thick curved bars. 27-8 Brinell hardness numbers. 239
moment coefficient, 26 thin curved bars, 29-31 coefficients of expansion, 265
slope coefficient, 26 see also Bars; Beams. bending; Rings, composition and mechanical properties.
standard cases, 25-7 bending stresses 228-9. 238
thick bars, rings and crane hooks, 27-9 Benzene, corrosion resistance, 241
Beams, transverse vibration, 31-2 cubical expansion, 265 density. 263
Bearing metal, 234 formula and molecular weight, 140 drilling. 180, 182
Bearings. thermal conductivity, 131 general cutting speeds. feed rates and
ball, Benzine. boiling point. 109 power. 192-3
contact stresses, 51 Benzole. lubricants for drillin~/reamingitapping.
journal, 93,94 analysis, 145 181
self aligning. 93 calorific value. 144 milling cutting speeds and feed rates.
service factor. 95 Bernoulli equation, 148 I87
thrust, 93 Beryllium, negative rake cutting speeds. 194
plain. applications. 233 spring brass. 235
automobile and aircraft engine, 91 density, 263 turning, 174, 175. 177
centrifugal pumps, 91 Beryllium-copper. welding fillers and fluxes. 209
clearance, 92 applications, 230 Brazing, 206
friction coefficient, 94 springs, 235 metals for. 261
generators and motors. 91 Bevel gears, 98 recommended usage. 214
hoisting machinery, 91 BHN see Brinell hardness number BR (butadine rubbers). 248
land steam turbine, 91 Bimetal thermometers, 278 Breeze block. thermal conductivity. I32
lightly loaded, 9&1 Birch timber, mechanical properties, 250 Brickwork,
bad capacity, 91 Bismuth, coefficients of expansion, 265
machine tools, 91 density, 263 dark, surface emissivity. 137
marine steam turbine, 9 latent heat of fusion, IO8 density, 264
I
railway axial, 91 low melting point alloys. 236-7 factors of safety, 308
surface finish, 92 thermoelectric sensitivity, 275 thermal conductivity. 132
plain, materials for, Bisulphide of carbon, latent heat of Brine, saturated, boiling point, 109
aluminium alloy, 92 evaporation. 108 Brinell hardness number (BHN). 239. 285
babbit, tin and lead base, 92 Bitumen, thermal conductivity, I32 British Association (BA) screw threads, 8
cadmium base, 92 Bitumen adhesive, 254 dimensions, 300
copper lead. 92 Bituminous coal, Bromine, boiling point, 109
graphite materials, 92 analysis, 145 Bronze,
lead. alkali-hardened. 92 calorific value, 144 applications. 230
lead bronze, 92 Black body, surface emissivity, 137 corrosion resistance, 24 I
nylon, 92 Black heart cast iron (BS 310). 219. 238 expansion coefficient, 265
phenolics, 92 Block and tackle, 67 friction coefficient with bronze; cast iron.
porous metals, 92 BM (bending moment), 38 85
rubber. 92 Boilers. general cutting speeds, feed rates and
silver plus overlay, 92 efficiency, 144 power, 192-3
teflon, 92 factors of safety. 309 high-strength bronze. 260
tin bronze. 92 Boiling points, common substances, 109 lubricants for drilling. reaming and
roller. Bolts and bolted joints, tapping, 181
contact stresses. 52 clearance holes for, 300 milling cutting speeds and feed rates.
friction coefficient, 95 factors of safety, 309 I87
needle roller. 94 IS0 metric sizes, 8, 299 specific heat capacity. I IO
roller journal, 94 strength of, 8-1 I turning. 175. 177
service factor, 95 threads for. 8 welding fillers and fluxes, 209
taper roller. 94 types of, 8-12, 2934 BSF (BS Fine) threads, 8
materials for, 262 see also Nuts; Screw threads BSP (BS Pipe) threads, 8
shields, seals and groves, 94 Bourdon pressure gauge, 281 BSW (BS Whitworth) threads. 8
Beech (timber), mechanical properties, 250 Boyle’s law, 102 Buckling loads, struts, 46-8
Belleville washer spring, 36 Brackets, stress in bolts, I I BUNA S rubbers. 248
Belt drives. Brakes, Buoyancy, 146
flat. 65 automobile braking torque, 79 Butadine rubbers (BR), 248
timing, 66 band, 87 Butane.
service factors, 66 block, 87-8 boiling point. 109
sizes. 66 disk, 88 formula and molecular weight. 140
vee. 65 double block, 88 specific heat capacity, gas constant and
Bending, expanding shoe. 88 molecular weight, I IO
beams, 2+7 materials, friction characteristics of, 854 Buttress thread. 76
bending moment (BM), 38 Brass, Butyl rubbers. 249
crane hooks, 29 friction coefficent with bronze: adhesives for, 255
measurement of, 272 hardwood, 85 butyle rubber adhcsivcs. 252
press tools for, 203 specific heat capacity. 1 IO
rings, 28-31 surface emissivity. 137 CAB (cellulose aCetObutyrdte). 242