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| موضوع: كتاب Elements of Machine Design الإثنين 22 نوفمبر 2021, 10:48 pm | |
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أخواني في الله أحضرت لكم كتاب Elements of Machine Design 7 Ed N. G. Pandya B.Sc., B.Sc. (Eng.) , Dr. lng. (Germany), F.I.E. (India), V.D.I . Member , American Society for Engineering Education Professor of Mechanical Engineering Birla Vishvakarma Mahavidyalaya AND C. S. Shah B.Sc. (Eng.), Dr. Ing. (Germany), F.I.E. ( India) Professor of Mechanical Engineering Birla Vishvakarma Mahavidyalaya { Engineering College ) VALLABH VIDYANAGAR (ANAND) ELEMENTS OF MACHINE DESIGN
و المحتوى كما يلي :
CONTENTS CHAPTER I MATERIALS OF CONSTRUCTION AND THEIR PROPERTIES Introduction - General consideration - Structure of materials - Mechanical properties of materials of construction - Determination of mechanical properties - Fabrication characteristics and processes of fabrication - Non-ferrous metals and alloys - Available sizes - Accuracy - Finishing processes - Non-metallic materials - Plastics - Examples I CHAPTER 11 PAGES 1-62 DESIGN CONSIDERATIONS IN MACHINE PARTS Strain - Stress-Strain diagram: Modulus of Elasticity - Poisson’s ratio - Modulus of rigidity --- Bulk modulus - Basic requirements of the machine elements - Factor of safety: Selection of allowable stresses - Procedure for designing a machine element - Tensile stress - Compressive stress - Shearing stress - Bearing pressure intensity - Bending - Shear stresses in abeam - Torsion - Eccentric loading - Combined stresses: Bending combined with direct stress - Offset connecting links and C shaped frames - Shearing combined with tensile and compressive stresses - Theories of elastic failure - Designing for impact loads - Stress concentration - Notch sensitivity - - Effect of repeated application of load - Fluctuating stress for ductile materials - Light weight and minimum dimensions - Elastic matching - Temperature stress - Examples II . CHAPTER III Loads Stress 63-165 CYLINDERS, TANKS AND PIPES Introduction - Types of vessels - Design of thin cylinders - Design of thin spherical shell - Cylindrical shell with hemispherical ends - - Design of pipes - Design of thick cylinders - Design equation for thick cylinder - Examples III . . 166-195X CONTENTS CHAPTER IV RIVETED JOINTS Introduction - Rivets - Rivet heads - Types of riveted joints - Caulking and fullering - Design of a riveted joint for boiler work - Efficiency of a riveted joint - Joints for storage tanks - Lozenge joint - Eccentric loads on riveted connections - Examples IV . . 196-237 CHAPTER V BOLTS, NUTS AND SCREWS Introduction - Definitions - Forms of screw threads - Advantages of square threads over V threads - Screw fastenings - Locking devices for nuts - Washers - Eye bolt - Efficiency of threads - Stresses in screw fastenings - Initial stresses - Stress due to external forces - Stresses due to combined load - Bolts of uniform strength - Screwed boiler stays - Bolts subject to shear - Bolts under eccentric loading - Design of a nut - Power transmitting capacity of set screws - Examples V . 238-281 CHAPTER VI COTTER AND KNUCKLE JOINTS Introduction Design of cottered joints - Gib and cotter - Connection of piston rod to crosshead - Cotter foundation bolts - Design of a knuckle joint: Introduction - Joint of suspension links - Design of a coupler or turnbucklc - Examples VI . 282-315 CHAPTER VII SHAFTS, KEYS AND COUPLINGS Introduction - Materials and design stresses - Design of axles - Design of shafts on the basis of strength - - Design of shaft on the basis of rigidity - Design of hollow and square shafts - Forms of keys - Keys - Design of sunk keys - Effect of keyways in sunk keys - Taper pin - Feather keys - Force and shrink fits - Couplings: Introduction Sleeve coupling or muff coupling - CONTENTS xi Clamp or compression coupling - Flange coupling - Marine type of flange coupling - Flexible coupling - Bushed pin type of flexible coupling - Bibby type of flexible coupling - Leather pad type flexible coupling - Oldham’s coupling - Universal coupling - Safety coupling - Examples VII CHAPTER VIII . 316-395 SPRINGS Introduction - Close coiled helical spring subjected to axial loading: circular wire - Helical springs of noncircular wire - Concentric helical springs - General considerations in design of compression and tension springs - Torsion helical springs - Spiral springs - Leaf springs - - Belleville springs - Energy storage capacity - Examples VIII CHAPTER IX . 396-442 BEARINGS Classification - Bearing area - Sliding bearings: Solid journal bearings - Divided journal bearing: Plummer block - Lubrication methods - Oil Grooving - Heating of bearings - Design procedure for journal bearings - * Bearing materials - Design of bearing caps and bolts - Foot step or pivot bearings - Collar bearings - Antifriction bearings - - Radial ball bearings - Roller bearings - Selection of ball and roller bearings - Bearing load - Equivalent bearing load - Carrying capacity and life - Relationship between load and life - Requisite bearing life for different types of machines - Life of Timken Bearings - Influence of high temperature on load carrying capacity - Friction in rolling bearings - Comparison of sleeve and rolling bearings - Examples IX . CHAPTER X . 443-502 STRUTS AND COLUMNS Introduction - Euler’s formula - End fixity coefficients Radius of gyration and plane of bending - Rankine’s formula - Telmajer’s formula Design of push rods Eccentrically loaded columns - Examples X . 503- 527xii CONTENTS CHAPTER XI POWER SCREWS Introduction - Form of threads - Force analysis - Design of a screw - Design of a nut - Compound screw - Differential screw - Ball screws - Examples XI CHAPTER XII . 528-567 LEVERS Introduction - General procedure for design of levers - Hand lever - Foot lever - Cranked lever - Lever of a safety valve - Rocker arm for Diesel engines (Straight arm) - Angular levers - Design of an overhung crank - Design of a crank pin (overhung crank ) - Miscellaneous Examples - Examples XII CHAPTER XIII . 568-618 BRACKETS Brackets - Hangers - Wall box - Design considerations - Examples XIII . 619-633 CHAPTER XIV BELTS, PULLEYS AND CHAIN DRIVES Introduction - Materials for belts - Design of a belt - Design procedure for flat belts - V belt drive - Design of V flat drives - Pulleys: Materials and types - Cast iron pulleys - Design of a cast iron pulley - Steel pulleys - Wooden pulleys -Tight and loose pulleys - Speed cone - Short centre drive: Gravity idlers - Special tension adjusting belt drive - Chain Drives: Introduction - Roller chains - Design of Chain Drives - Examples XIV 634-630 CHAPTER XV FLYWHEELS Introduction - Determination of a weight of a flywheel for given coeflicicnt of fluctuation of speed - Flywheel for punches ancT shear - Engine flywheels - Flywheel for Electric generators - Stresses in a rim of a flywheel - Design of a hub - Arms of a flywheel - Examples XV . 681-706CONTENTS xiii CHAPTER XVI GEARS Introduction terminology - Gear tooth forms - Accuracy of gears - Materials - Allowable stresses - Design considerations - Strength of gear teeth: Lewis equation - Dynamic tooth load - Design for wear - Gear wheel proportions - Internal gears - Racks - Design of helical gears: Introduction - Proportions for helical gears - Design of helical gear teeth - Herringbone gears - Rating of machine cut spur and helical gears - Design of bevel gears: Introduction - Definitions - Strength of bevel gear teeth - Constructional details - - Bearing loads - Design of worm gear: Introduction - Worm gear nomenclature - Strength of worm gear teeth - Bearing loads on the shafts - Examples XVI General characteristics - Spur gear . 707-795 CHAPTER XVII WELDED CONNECTIONS Introduction - Welding processes - Types of welded joints - Working stresses in welds - Strength of welds - Special cases of fillet welds - Eccentric load on welded connections - Design procedure recommended by American Welding Society - Fillet welds under varying loads - Examples XVII . . 796-821 CHAPTER XVIII DESIGN OF MISCELLANEOUS MACHINE PARTS-I ENGINES AND BOILERS Design of flat plates - Design of a piston for I.C. Engines - Design of crossheads - Design of connecting rods - Design of crankshafts - Design of a spring-loaded Hartnell governor - Design of an eccentric - Compensating ring for a manhole - Design of safety valves for boilers - Design of a steam stop valve - Design of tangent cams - Design of a valve gear for I.C. Engines - Examples XVIII . 822-943XIV CONTENTS CHAPTER XIX DESIGN OF MISCELLANEOUS MACHINE PARTS-II BRAKES AND CLUTCHES Hoisting equipments - Design of hoisting chains and drums - Design of a hoisting rope - Design of wire ropes - Stresses in curved beams - Design of a crane hook Brakes: Introduction - Types of Brakes - Design procedure for block brakes - Band brakes: Introduction - Design procedure for band brakes - Clutches: Introduction - Design procedure for clutches - Examples XIX 944-1006 CHAPTER XX INTERNATIONAL SYSTEM OF UNITS (S. I. SYSTEM) Introduction - Units - Prefixes for Multiples and submultiples of units - Relation between the units of S.I. and MKS Systems - Illustrative examples - Examples XX 1007-1022 CHAPTER XXI DESIGN PROJECTS Introduction Hand operated bench press - Reduction Gear - Project Exercises 1023-1044 APPENDIX I TO XV List of Indian Standards: “Testing of Materials” - Indian Standard referred in the text - Preferred Numbers (Rounded values) - Properties of geometrical sections - Deflection formulas for machine parts - Metric threads - Common sizes of transmission shafts dimensions in mm - Imperial or Legal Standard Wire Gauge - Sizes of pulleys for flat and V belts - Width of flat cast iron and steel pulleys - Service factors for belt drive - Load carrying capacity of V belts - Worm data - Basic thickness of sheet and diameters of wire in millimetres 1045-1054
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