Machinery’s Handbook, 31st Edition
Index
2889
B olts and nuts
B oundary layer film lubrication 2500 B ox wrench clearances 1693 B rakes band 2534 block type 2537 coefficient of friction 2534 B rass and bronze alloys 511 cast 512–515 speeds and feeds for drilling and reaming 1140 wrought 516–524 bending 1421, 1422 speeds and feeds for turning 1105 strength data 510 B rass files 1054 B razing 1568–1574 blowpipe 1573 dip 1573 filler metals for 1568, 1572 fluxes for 1572 furnace 1573 symbols 1573, 1574 vacuum furnace 1573 work 1573 B reakaway torque 1755 B reaking load, bolts and screws 1669 B ricks strength 391 B riggs (now ANSI/ASME) Standard pipe thread 2090–2091, 2120, 2121 drills for 2176 B rinell Hardness Number (BHN) 502 aluminum alloys 531–539 Rockwell conversion tables 505–508 steels 142, 421–426, 462 test 502 See also specific materials and processes B ritish Association basic dimensions 2115 instrument makers’ threads 2115 standard screw threads 2119 tolerance formulas 2115 tolerances and allowances 2115 B ritish Hydromechanics Research Association (BHRA) 2518 B ritish Standard button head screws 1826 buttress threads 2078 cap screws 1827 cheese head screw 1809 heating for 1573 induction 1573 methods 1573 resistance 1573 supplying heat blowpipe 1573 supplying heat torch 1573
( continued )
metric screw 1725 nominal lengths 1766 preload 1653
adjustments 1656, 1658 applications 1655 loaded joints 1654 shear 1654
proof strength 1653 relaxation of preloads 1657 round head neck bolts 1684
socket head cap screws 1726, 1731 spacing for wrench clearances 1687 spline sockets 1731 square 1671, 1672 steel nuts 1768 strength grade designations 1666, 1667, 1724, 1725, 1736, 1767, 1768 tightening 1653 torque 1653 torque prevailing types 1735 torque required to tighten 1653 Unified Standard 1672, 1673 washer facing 1767 working strength of bolts 1667 wrench and socket clearances 1687 wrench clearances for nuts 1688 wrench openings 1688 yield strength 1653 B onding, adhesives 2659 B onding plastics 595–596 B oring 1154 carbide tools for 964–965 cutting force 1154 cutting time for 1143 deflection ( y ) of boring bar 1155 insert holder 845–847 moduli of elasticity ( E ) of boring bar materials 1155 moment of inertia ( I ) of a boring bar cross- sectional area 1155 wood 385 B oring-bar, cutters, carbide 964–965 B oring machine, origin 968 B oring tools
carbide sizes 964 carbide style 964 carbide-tipped round 966 sintered carbide 964 solid carbide 968
B oron nitride cubic (CBN) abrasive 1081, 1281, 1298, 1307 cutting tool materials 1081 speeds and feeds for 1101, 1107 B ottom bending 1417
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