Page 348 - Mechanical Engineer's Data Handbook

336 MECHANICAL ENGINEER’S DATA HANDBOOK

Latent heats. efficiency, 63 bending. 203
evaporation. 108 mechanical advantage. 63 brazing. 261
fusion, 108 velocity ratio, 63 casting see Casting
Lathes see Turning Machine tool bearings, 91 chemical symbols for. 239
Lathe-tool nomenclature and setting. 1768 Machine tool slide material frictions, 86 coating for. 261
Lead, Machining metals. general characteristics. corrosion-resistant. 260
applications, 233 I72 cutting,
coefficient of expansion, 265 Magnesia, thermal conductivity. 132 general data, 192-5
density, 263 Magnesium and alloys of, surface finish and roughness. 193
latent heat of fusion, 108 applications, 234 see also Drilling; Grinding; Milling;
lead-tin alloys, applications, 234 coefficient of expansion. 265 Turning
low melting point alloys, 2367 corrosion resistance, 241 friction coefficient with metal;
properties pure, 240 density, 263 hardwood., 85
resistance temperature coefficient, 277 drill cutting angles, 182 high-strength, 260
specific heat capacity, I IO latent heat of fusion, 108 high temperature. 260
as steel alloy element, 222 recommended welding processes, 2 I4 malleable. 260
thermal conductivity, 131 specific heat capacity, I IO press tool theory. 202-3
thermoelectric sensitivity, 275 thermal conductivity, 131 processes, general characteristics, I72
velocity of sound in, 309 turning cutting speeds, 175 see also Aluminium; Copper; Iron; Steel
Leaf springs, 35 Magnetic materials, etc.
Leather, low-loss, 261 Metal sheet dimensions. strip and wire, 307
adhesives for, 255 permanent, 261 Methane,
as clutch and brake material, 86 Mahogany timber. mechanical properties. density, 264
friction coefficient with cast iron; 250 formula and molecular weight, 140
hardwood; metal, 85-6 Malleable irons, properties, 219 specific heat capacity. gas constant and
Length, SI equivalents, 291-2 see also Iron molecular weight. I IO
Length measurement, 267-9 Manganese, thermal conductivity. 131
Levers, 63 applications, 234 Methanol,
Lignite, density, 263 boiling point, 109
analysis, 145 manganese steel, drill angles, 182 density. 264
calorific value, 144 as steel alloy element, 222 formula and molecular weight. 140
Limestone, thermal conductivity, 132 Manganin, resistance temperature freezing point. 266
Limits and fits, coefficient, 277 latent heat of evaporation. 108
fit types, 217 Manometers, 279-80 thermal conductivity, 131
terminology, 216 Marble, surface emissivity, I37 Methyl alcohol, thermal conductivity. 131
tolerances, 217 Mass, SI equivalents, 292 Methylpentene, adhesives for. 255
Lipowitz’ alloy, 237 Mass flow rate, SI equivalents, 292 Methylpentene (TPX). 243
Liquid flow, Measurement, Mica. thermal conductivity, 132
Bernoulli equation, 148 angle, 270 Micrometers, 267-8
channels, I54 bending, 272 Mild steel see Steel
continuity equation. 148 compression, 272 Milling,
jets, 15840 flow, 281 cutter types, 183-5
laminar flow, 15S7 fluid velocity, 2834 cutting speeds. 1867
between flat plates, 156 hardness testing. 285-7 metal removal rates. 188
in circular pipes, 156 length, 267-9 power for peripheral. 186
through annulus, 157 pressure, 279-81 process. 182
measurement, 154-5, 281 rotational speed, 284-5 table feed rates. 1867
notches, 153 strain, 271-3 Mineral wool quilt. thermal conductivity.
orifices, flow in, 152-3 temperature. 274-8 132
over weirs, 153 tension, 272 Mixtures, combustion see Fuels
pipe nozzle flow measurement, 154-5 torque, 273 Molecular weights, common gases. I IO
in pipes, toughness testing, 2867 Molybdenum,
friction, 149-50 Mechanical advantage (MA). density. 263
laminar flow, 150 machines. 63 specific heat capacity. 1 IO
pressure loss in fittings and section screw threads. 84 as steel alloy element. 222
changes, I5&2 Melamine, 246, 247 thermal conductivity, 131
roughness, 150 adhesives for, 255 Moment of a force. 57
series and parallel, 150 Merchants circle. tool forces, 1934 Moments of inertia, flywheels. 71-2
pumps, centrifugal, 165-8 Mercury. Momentum, definition. 59
Reynold’s number, 148, 150, 155 boiling point. 109 Monel.
venturi flow measurement, 154-5 cubical expansion, 265 applications. 234
viscosity, 1556 density, 263 density. 263
Liquids, coefficients of cubical expansion, properties pure, 240 lubricants for drilling. reaming and
265 resistance temperature coefficient. 277 tapping, 181
Lost wax casting, 197-8 specific heat capacity, I IO as spring. 235
Loudness of various sounds, 309 thermal conductivity. 131 thermal conductivity. 131
Lubricant materials, 263 thermoelectric sensitivity. 275 turning cutting speeds. 175
velocity of sound in, 309 Moon, basic parameters, 62
MA see Mechanical advantage Metal. Motors. air, 126
Machines, adhesives for, 255 Movement ratio see Velocity ratio