Machinery’s Handbook, 31st Edition
2906
Index
E DM (electrical discharge machining) ( continued ) spark frequency 1473 spark in and out 1471 square wave 1471 stroke 1471 UV axis 1471 white layer 1471 wire 1479 drilling holes 1479 EDM 1471 electrode 1479 E ffective dimensions, splines 2332, 2340 length of bolt 1657 E fficiency 2206 influence of friction on 172–173 of lubrication filters 2521 machine tool 1147–1153 riveted joints 1862–1866 See also specific processes E lastic limit 207 plastics 565 properties of material 391 region 207 tightening fasteners in 1655–1660 See also specific materials E lasticity, modulus of 207 constant, of nickel alloys 308–309 in shear (torsion) 208 spring materials 345, 352 various materials 207–208 E lectric arc, cutting metals 1604, 1605 fixture threads 2114 motor keys and keyseats 2556 socket and lamp base threads 2113 E lectrical discharge grinding (EDG) 1470 E lectrical discharge machining. See EDM E lectrical fixture threads 2113 lamp base 2113 socket shell threads 2113 E lectrical network 129 E lectrical relationships 2874 E lectrodes diameter, sheet metal 1593 making 1477 machining graphite 1477 material 1475 brass 1476 copper 1476 copper-tungsten 1476 graphite 1476 guide 1471 speed 1471 wire method 1469 workpiece materials 1474
E lectrodes material
( continued )
steel 1476 zinc 1476 material selection 1477 used for various materials 1476 wear 1477 E lectrodes, in welding current to use with 1581, 1599 deposition rates 1577, 1581 diameter to use 1577, 1585, 1594 selecting GTAW tungsten type 1597 standard types 1592, 1595 wire, feed rates 1581 E lectrohydraulic forming 1441 E lectromagnetic forming 1440 E lectron beam diffusion bonding 1438 E lectron beam machining (EBM) 1350, 1558
E lectropolishing 1644 E lements, chemical 368 E llipse 51–54 area 81 drawing 54, 69 eccentricity 51 foci 51 general equation 51
major axis 51 minor axis 51
moment of inertia 245 radius of gyration 245 section modulus 245 segment, center of gravity 230 E llipsoid polar moment of inertia 254 radius of gyration 238 segment, center of gravity 230 volume 91 E lliptic gears Gears and gearing elliptic 2290 E longation aluminum 388 aluminum alloys 531–539 carbon and alloy steels 421–426, 1484 carbon steel rounds, squares, and hexagons 419–420 cobalt alloys 389 copper alloys 388, 512–524 copper-base powdered alloys 390 copper-beryllium alloys 526 copper-silicon alloys 525 high-strength, low-alloy steels 418 iron-base powdered alloys 390 magnesium alloys 544 measurement of bolts 1658 nickel alloys 389, 546 plastics 387
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