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| موضوع: كتاب The Elements of Machine Design Part I الأحد 19 ديسمبر 2021, 11:13 pm | |
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أخواني في الله أحضرت لكم كتاب The Elements of Machine Design Part I General Principles, Fastenings, and Transmissive Machinery By W. Cawthorne Unwin, F.r.s. B.sc., Mbm. Inst. Civil Engineers, Hon. Mem. Inst. Mechanical Engineers Hon. Mem. Am. Soc. Mechanical Engineers Foreign Hon. Mem. Am. Academy Op Arts and Sciences Professor Op Engineering at the Central Technical College Kensington ; Formerly Professor Op Hydraulic and Mechanical Engineering at the Royal Indian Engineering College
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New Impression (New Edition, Revised and Enlarged Xgox) L O N G M a N S, G R E E N, a N D C O. 39 Paternoster Row, London New York and Bombay Text-books of Science F. D. Abney’s Photography. 134 Illustrations Anderson’s the Strength of Materials and Struc - Tures. 66 Ihostratians Ball's Elements of Astronomy. 130 Illustration* Barry’s Railway Appliances. Az8 Illustrations Bauerman's Systematic Mineralogy. 373 Illustrations 6 O Bauerman’s Descriptive Mineralogy. 936 Illustrations 6 O Glazebrook Ft Shaw’s Practical Physics. 134 Illustrations 7 6 Glazebrook’s Physical Optics. X83 Illustrations Gore’s Art of Electro-metallurgy. 56 Illustrations... 6 O Gribble’s Preliminary Survey. X33 Illustrations Notas and Solutions 3 6 Griffin’s Algebra and Trigonometry Holmes’s the Steam Engine, Axa Illustrations Huntington Ft Mcmillan’s Metals: Their Proprrtirs And Treatment. Xaa Illustrations Jenkin's Electricity and Magnetism. X77 Illustrations 3 6 Maxwell’s Theory of Heat. 38 Illustrations Merrifield’s Arithmetic and Mensuration Miller’s Introduction to the Study of Inorganic Chemistry. 7a Illustrations 3 * Preece Ft Sivewrights Telegraphy. 967 Illustrations 6 O Rutley’s the Study of Rocks. 6 Plates And88 Illustrations 4 6 Shelley’s Workshop Appliances. 3*3 Illustrations ... 5 O Thomfi Ft Bennett’s Structural and Physiological Botany. 600 Illustrations Thorpe’s Quantitative Chemical Analysis. 88 Illustrations Thorpe Ft Muir’s Qualitative Chemical Analysis. 57 Illustrations Tilden’s Chemical Philosophy, Xx Illustrations With Answers to Problems Unwin’s Elements of Machine Design: Part I. General Principles. 345 Illustrations Part Ii. Chiefly on Engine Details. 959 Illustrations Watson’s Plane and Solid Geometry Longmans, Green, Ft Co. 39 Paternoster Row, London New York and Bombay. Iindex ACC A CCELERATION curve, 41 Achard, 506, 520, 524 Adamson, 103, 256 Allen, 502 Alloys, 20 Aluminium, 18; bronze, 19 Angle iron, moment of inertia, 71 ; proportions, 153 Angus Smith's process, 22 Annealing, 39 Arc of contact, 368 Areas, table of, 66 Arms of wheels, 416 ; of pulleys, 483 Axle-boxes, 320 Axles, 258, 263 ; journals of, 323 CAR 471; cotton, 475 ; chain, 476 ; twisted, 478 ; guide pulleys for, 479 Bending, 56; table of bending moments, 62 ; distribution of, 79 ; of crank shafts, 281 Bevil gearing, 391; cutting teeth of, 393 ; strength of, 411 Boiler flues, 100, 104 ; stays, 163 | Boilers, strength of, 140, 159 ; plating, 155 ; taper of plates, 161 ; staying, 167 ; bridge stays, 168 Bolted joints, 206 ; steam tight. T93 Bolts and nuts, 172 ; straining action on, 182 ; friction of, 184 ; strain due to tightening, 188 ; strength, 189 ; strength of screw thread, ; proportions, 197 ; table of, ; forms of, 201 ; locking ar- 1 195 ABBITT metal, 18 198 ; Bach, 145 rangements, 204 Ball bearings, 334 , Box couplings, 286 Band. (See Belt.) , Brackets for shafts, 315 BarfFs process, 22 Brass, 17 Bauschinger, 37 Breaking strength, 27, 33, 45 ; table Beams, symmetrical and unsym- of, 46 metrical sections, 76 ; of uniform Bridge stays, 168 strength, 85 Briggs, 439 Bearing resistance of rivets, 131 BritishAssociation screw thread, 178 Bearings, 227 Bronze, 15 Belt gearing, velocity ratio, 451 Bullivant, 503 Belts, material of, 4« ; endless, Butt riveting, 120 453; resistance to slipping, 459 ; strength of, 465; working tension, 466 ; horse-power, 467 ; centri- ABLE (See Chain) ; fugal tension, 470 ; single, double, 532 and combined, 471; joints of, Carboid bearings, 331 B of hemp,552 Machine Design CAS Case-hardening, 11 Cast iron, 3, 4, 6 Catenary, £12 Caulking riveted joints, 118 Centrifugal tension in belts, 470 ; in pulley rims, 482 ; of ropes, GKA Delta metal, 17 Diagram, stress strain, 30 Drawing, 23 Ductility of wrought iron, u ; of steel, is Dunkerley, 278 ' pCONOMICAL beam sections. cl Clarke ^^, D, KT.. 488 ' 8 1 E•,1.|“}?“c* s,frength of maleria,s' 45 • C^tifon4722 fenfofeSlicity o°frigidity' 90, 971 45 ;°ffric table- sssrr 350 Collapse Collar HoldSfcW bearings , resistance , 255.*to 3*.8100 ; rings, II Ex I^,LSon _ _'fi <^uplings ^, 294 P-ure. 43 ; Columns, strength of, 94 ! pACTOR of safety, 27. 33 Compound stress, compression and Fairbaim, on repetition of bending, 92 ; tension and bend- stress, 35 ; on collapse, 101 ing, 109 ; twisting and bending, Fastener for belts, 474 IIO Fatigue of materials, 39, 262 Compression, resistance to, 53 , Fencing of shafts, 279 Cone keys, 214 1 Fitting, 24 Cone vice coupling, 290 1 Flange coupling, 288 Continuous beams, 73 Hanged beam sections, 71, 73, 75 Copper Contraction , 15 ;ofeffect castings of ,temperature 5, 6 I|Flint '^at ,plates 435 , strength of, m on strength, 19 I Hues, collapseof, tco; rules for, 105 Corrosion, 22 Fluidity, pressure of, 54 Corrugated flues, 107 I Footsteps. 320. 323; of glass, 327 Cotters, 217 ; strength of, 220 ; ar- Forging, 24 rangement of, 223 Foundation bolt, 219 Cotton belting, 475 Fox. furnace tubes, 107 Couplings for shafting, 286 ; dis- Friction coupling, 298; gearing, engaging, 295 337. 35» : f°r variable speed, 357 Crane hook, 534 Friction, of riveted joints, 117, 141 ; Cranked shafts, 269, 280; diagram of screw threads, 184; of journals, of stress, 281 «8 ; of toothed gearing, 413; of. Crank-pin journals, 254 screw gearing, 433 ; of lu lls, 460, Crank-shaft journals, 253 J 4^9 1 ropes, 493 Cutting wheel teeth, 360, 393, 447 j Cycloidal teeth, 374 ALVANISING, 22 Cylinders, strength of, 55, 140, 159 [ V_I Gam, 327 Gas threads, 178 T'\EFI.F.CTION, tableof, 62 ; of I Gearing chains, 539; strength of, springs, 97 1 i I 54»Index 553 OTT T ANG system of laying ropes, JL* 501 Lap riveting, 120 Last's method, 372, 383, 447 Leather, 475 Leather belts, strength of, 465 ; working tension, 466 ; horsepower of, 467 ; limits of stress, 468 Lewis, W., 413, 435, 465, 468 Lignum vitae bearings, 322, 325 Links, forms of eyes, 538 Load, live and -dead 28, 33 ; impulsive, 42 Lobed wheels, Locking arrangements for bolts, 204 ; for cotters, 225 Longridge, 360, 407, 423 Lubrication, 234 ; forced, 238, 327 GEE Gee’s gearing, 380 Geyclin, 327 Gib and cotter, 225 Gibson, 396, 448 Gordon, 93, 96 Goss, 352 Grashof, na Guest, on compound stress, 108 Guide pulleys, 479 Gunmetal, 15 Gusset stays, 166 Gyration, radius of, table, 66 I TANGERS, 316 JL 1 Hardness of metals, 51 349 Hartnell, 99 Heaviness of materials, 52 Helical gearing, 420 Hildebrand’s coupling, 297 Hindiey worm, 436 Him, C. F., 230, 504, 523 Hodgkinson, 93 Hooke's joint, 300 Hopkinson, 546 Horse - power of belts, 467 ; of rope gearing, 495 ; of wire ropes, Ti /T ACBR1DE, 188 1V1 Malleable cast iron, 9 Manganese bronze, 17 Margin of riveted joints, 120, 130 Meneely bearing, 333 Metric screw threads, 177 1 Mill shafting, 273 | Milton, 268, 269, 281 Modulus of section, 60 ; table of, 66 ; of flanged beams, 76 ; for torsion, 92 Moment of inertia, 60; table of, 66 ; about parallel axes, 72 Morcom, 238 Morin, 228 Mortice wheels, 360 Moulding cast iron, 5, 24 526 Hyperboloidal gearing, 341 T NDENTATION, 51 X India-rubber, elasticity of, 295 Inertia, stress due to, 40 Involute teeth, 384 ENKIN. Fleeming, 356 Joint pins, 210 Journals, 227 ; friction of, 230 ; pressure of seizing, 237 ; proportions, 240 ; strength, 243; limitg bearing pressure, 246, 248 ; subjected to bending and torsion, 252 ; for carnage axles, 323 Junctions of riveted plates, 150 j AVE of pulley, 487 ; of wheel, Naville, 506 Nest gearing, 356 Neutral axis, 59 Newall, 393 Nuts, 199 in JX ELLER, 516, 518, 543 Jtv. Kennedy, A. B. W., Keys, 2x 2 ; proportions, 216 Knuckle gearing, 391 Kynoch, roller bearing, 333 /''"VIL bath lubrication. 232 Oil tempering, 14, 262 Oldham coupling, 294 Ott, Karl von, 549 . 37i554 Machine Design PAT STA ous rope, 497 ; relative merits of rope and toothed gearing, 500 Ropes, strength of, 492 ; weight of, 493 ; friction of, 493; comparison of hemp and chain cables, 532 Ropes, wire. (See Wire Ropes, ) Rymering, 116 O CREW gearing, velocity ratio, O 424, 427 ; efficiency of, 430, 434 ; power transmitted, 432 ; proportions, 433; form erf teeth and threads, 437 ; worm and rack, 448 ; strength, 450 Screw threads, 172 ; special forms, 181 ; straining action on, 182 ; friction of, 184 ; strain due to screwing up, 188 ; strength, 189 ; bearing pressure on,190; strength of, 195 Screws transmitting motion. 190 Sections, table of areas, moments of inertia and moduli, 66 Sellers, it6, 243, 413, 434 ; screwthread, 175; coupling, 290 ; pedestal, 310 ; hanger, 316 ; collar bearing, 330 ; worm and rack, 448 Redtenbacher, 276 Set screw, 203 Renold, Hans, 546, 547 Shading, sectional, 25 Repetition of stress, 33 Shafting, 258; angle of twist, 259; Resilience, 42 working stress, 260 ; examples Reuleaux, 257, 512, 518 of designing, 263; transmitting Reynolds, Osborne, 231 power, 266 ; tables of, 270 ; for Rivets, forms of, 114, 119 ; size of, mills, 273; of varying diameter, 121 275 ; span of, 276 Riveted joints, 114 ; lap and butt, Shearing action, 58 ; distribution 120; proportionsof, 123; double I of, 79; in beams, table of, 62 and treble, 128 ; strength of, 129 ; j Shearing stress, 45, 53 ; table of, single riveted joints, 142 ; double 1 46 ; in beams, 58 ; resistance to riveted joints, 143 ; treble riveted 88 ; on planes at right angles, joints, 144 ; joints designed for , 90 ; of rivets, 133, 136, 139 frictional resistance, 144 ; graphic Shop processes, 23 method of designing, 146 ; junc- Silicium bronze, 16 tions of plates, 152 j Silicon in cast iron, 3 Roller bearings, 332 I Skew bevils, 345 Rolled joists, strength of, 71 Sliding contact , 338, 358 Rolling circle, 377 Slip of belts, 468 Rolling contact, 338 ; variable velo- Spanners, 199 city ratio, 345 Speed cones, 455 Rope gearing, 491 ; centrifugal ten- Split pins, 224 sioti, 494 ; driving tension. 494 ; Springs, strength and deflection o4 horse-power of, 495 ; subdivision 97 ; plate and helical, 98 of power by, 497 ; with continu- Stahl, 506 PATTERNS for casting, JL Pearce, Brothers, 493 Pedestals, 303; proportions, 308 ; weight of, 309 ; self-lubricating, 4. 23 311 Phosphor bronze, 16 Physical constants, 44 Pins, 214 Pipe flanges, 207 Pitch, of rivets, iao ; of wheels, 361 Pitch chains, 546 ; table of, 548 ; wheel for, 548 Pivot, 255 ; bearing, 325; with discs, 330 Planished shafting, 276 Plasticity, 29 Poisson’s ratio, 54 Propeller shaft coupling, 290 Proportionality, limit of, 31 Pulleys, guide, 479 ; for belts, 482 ; arms of, 483 ; split, 487 ; wrought iron, 488 ; for rope gearing, 498 ; for wire ropes, 523 Punching, 115 TJ AFFARD coupling, 295 ± v Rankine, formula for struts, 96Index 555 STA ZIE Toothed gearing, 358 ; material of, 359 ; limiting velocity, 408 ; wear, 41a ; friction of, 413; and proportions of, 414 Torsion, resistance to, 90 ; of shafts, Staking on, 213 Stays, 163 ; diagonal and gusset, 166 ; for tanks, 209 Stayed surfaces, 112 Steel, 12 ; castings, 13 ; tenacity of, 13, 136; relation of composition and strength, 14 ; forgings, strength of, 263 Stepped wheels, 420 Steps for journals, 306 Strain and stress, 29 Straining action, 26 ; due to power ! transmitted, 40 ; due to variation 1 of velocity, 40 ; due to change of direction, 42 Strength, clastic and ultimate, of materials, 44 Strength, of cast iron, 6 ; of wrought iron, 11; of steel, 13; of copper, 15 ; of bronze, 16 ; of brass, 17 ; of aluminium, 19 ; of metals at different temperatures, 19 ; general table of, 46 ; of riveted joints, 129 ; of iron and steel for riveted work, 135 ; of drilled and punched plates, 137 ; of boilers, 140, 158, 160 ; of bolts, 189 ; of [ joint pins, 211 ; of keys, 215 ; 1 of wheel teeth, 401 ; of screw j gearing, 450 ; of leather belts, 465 ; of ropes, 492 ; of chains, 530, 532 ; of pitch chains, 548 Stribeck, 335 Stud, 203 Suspension bearings, 327 Sutclfffe, 317 construction 266 Tower, Beauchamp, 230, 234, 236, 238, 241, 256 Towne, 533, 536 Tullis, 474, 476 Twisting moment, 91 WA Wear of wheels, 412 Webb, 118, 171 Wedge gearing, 355 Weight of materials, wheels, 419 ; of pulleys, 488 ; of ropes, 493 ; of wire ropes, 503, 512 ; of chains, 532 Welds, strength 0C528 Welding, 9, 13 Weston coupling, 300 Weyrauch, 35 Whirling of shafts White metal alloys, 17 Whitworth screw thread, 173 Willis, 380, 437 Wire, strength of, 21, 502 Wire ropes, 501 ; strength of, 502, 52 ; of toothed . 277 5°5 Wire rope transmission, 501 ; stresses in, 507 ; centrifugal tension, 510 ; driving effort, 511 Wohler's experiments, 34, 48 Work of deformation, 42 ; of compression and tension, 54 Working stress, 32, 44, 48 ; tables of, 49 ; m boilers, 159 ; in shafting, 261 Worm and rack, 448 Worm and wheel, 428 ; efficiency of, 432 ; proportions of, 433 ; thrust of, 435 ; form of teeth, 437 ; designing, 442 ; strength of, 450 Wrought iron, 9; qualities and forms of, 10 ; strength of, 11, 136 T' 'AYLOR, 468, 469 JL Teeth of wheels, proportions, 363 ; form, 366 ; obliquity of action, 371 ; cycloidal, 374 ; in- j volute, 385 ; summary of curves, 396 Telodynamic transmission, 504 ; deflection, 519 ; simpler equations, 520 ; efficiency, 522 ; cost of , 527 Temperature, expansion due to, 43; effect on strehgth of metals, 19 Tempering steel, 13 Tension, resistance to, 53 Tests of cast iron, 6 Thomeycroft, 239 Thrust bearings, 255 Thwaite, 489 2IfcGLER, 522, 526
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