Machinery’s Handbook, 31st Edition
2938
Index
M otors, electric
M oments of inertia
( continued )
( continued )
current definitions 2644 DC motors 2655–2656 design letters 2644 direction of rotation 2646 frame sizes, standard 2644
I-section 245 L-section 249 octagon 244 pipe 2536–2537 plane areas 239 polar 239–255
high-frequency induction 2650 horsepower requirements 2652 induction motor 2649 injurious operating conditions 2654 inspection schedule 2657, 2658 insulating materials 2654 locked rotor current and torque ratings 2645, 2646 lubrication, proper 2657 maintaining and repairing 2657, 2658 maintenance 2657 mechanical condition 2657 monthly inspection 2657 mounting dimensions, standard 2644 multiple-speed induction 2650 multispeed motor 2647 NEMA 2644–2645 standards for 2644–2645 polyphase AC motor 2649 polyphase wound-rotor 2645 pull-up torque 2645, 2647 rotation, standard direction 2646 rotors and armatures 2657 selection 2652, 2653 shunt-wound 2648 single-phase motors characteristics 2651 space limitations 2653 speed reducer type 2652 speed requirements 2652 squirrel cage induction 2648, 2649 squirrel cage rotors 2658 synchronous motor 2649 temperature effects 2654 torque and inertia requirements 2652 torque definitions 2646 type, DC and AC 2647 types and characteristics for different applications 2655–2656 variable speed 2646, 2647 weekly inspection 2657 windings 2657 wound rotor induction 2650 wound rotor type 2649 M ounted wheels and points 1041–1043 M ounting bearings 2469 M profile tap limits 995 M QL (minimum quantity lubrication) 1176, 1184, 1185 M T (magnetic particle testing) 1628
cone, frustum of 255 cylinder, hollow 253 ellipsoid 254 paraboloid 254 prism 253
pyramid 253 solid ring 254 sphere 253 spherical sector and segment 254 torus 254
rectangles 242 structural channels 2697, 2701 trapezoid 243 triangle 243 T-section 248 units conversion 2874 wide flange, steel 2692–2695 Z-section 250 M omentum 191–193 M onel metals, machining 1258 properties 546 M onotron for hardness testing 504 M orse
reamers for sockets 928 stub taper shanks 1014 tapers 1013–1024 taper shank twist drill 958
M ortising wood 385 M otion
accelerated 184, 186, 187 constant acceleration 182, 184–185 constant velocity 182 force and work 186, 189 general formulas 182, 184 on inclined plane 176, 186 Newton’s laws of 158, 159, 182, 186 M otors, electric 2644 adjustable speed motors 2647 adjustable-voltage, shunt-wound 2648 alternating current 2648–2651 armature rotors 2658 ball or roller bearings 2657 brushes 2657 rotary, formulas 184–185 uniformly accelerated 182
characteristics 2647–2656 classes of standards 2644 commutators 2657 compound-wound 2648, 2649 constant-speed motors 2647
M ultijet fusion (MJF) 615 M ultiplication of matrix 124
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