beesha مهندس تحت الاختبار
عدد المساهمات : 7 التقييم : 13 تاريخ التسجيل : 14/04/2014 العمر : 33 الدولة : السودان العمل : طالب الجامعة : الهندسه
| موضوع: طلب عن حسابات التروس الأحد 20 أبريل 2014, 4:47 pm | |
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عايز حسابا ت التروس ومسائل وامثله عن التروس المركبه و التروس الدويريه وهي تتكون من (ترس كوكبي ,ترس شمسي) |
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ABUASSOLA مهندس تحت الاختبار
عدد المساهمات : 23 التقييم : 67 تاريخ التسجيل : 13/12/2012 العمر : 46 الدولة : السودان العمل : محاضر الجامعة : جامعة وادي النيل
| موضوع: طلب عن حسابات التروس ( كتاب بعنوان Gear Geometry and Applied Theory) الأربعاء 30 أبريل 2014, 2:55 pm | |
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السلام عليكم أيها الأحباب بالله هذا كتاب بعنوان Gear Geometry and Applied Theory فيه كل شئ عن التروس أرجو أن ينال إعجابكم و أن تستفيدوا منه و يحتوي الكتاب علي المواضيع الآتية
1 Coordinate Transformation 1 1.1 Homogeneous Coordinates 1 1.2 Coordinate Transformation in Matrix Representation 2 1.3 Rotation About an Axis 6 1.4 Rotational and Translational 4×4 Matrices 14 1.5 Examples of Coordinate Transformation 15 1.6 Application to Derivation of Curves 24 1.7 Application to Derivation of Surfaces 28 2 Relative Velocity 33 2.1 Vector Representation 33 2.2 Matrix Representation 39 2.3 Application of Skew-Symmetric Matrices 41 3 Centrodes, Axodes, and Operating Pitch Surfaces 44 3.1 The Concept of Centrodes 44 3.2 Pitch Circle 49 3.3 Operating Pitch Circles 50 3.4 Axodes in Rotation Between Intersected Axes 51 3.5 Axodes in Rotation Between Crossed Axes 52 3.6 Operating Pitch Surfaces for Gears with Crossed Axes 56 4 Planar Curves 59 4.1 Parametric Representation 59 4.2 Representation by Implicit Function 60 4.3 Tangent and Normal to a Planar Curve 60 4.4 Curvature of Planar Curves 68 5 Surfaces 78 5.1 Parametric Representation of Surfaces 78 5.2 Curvilinear Coordinates 78 5.3 Tangent Plane and Surface Normal 79 5.4 Representation of a Surface by Implicit Function 82 5.5 Examples of Surfaces 82 6 Conjugated Surfaces and Curves 97 6.1 Envelope to a Family of Surfaces: Necessary Conditions of Existence 97 6.2 Basic Kinematic Relations 102 6.3 Conditions of Nonundercutting 103 6.4 Sufficient Conditions for Existence of an Envelope to a Family of Surfaces 107 6.5 Contact Lines; Surface of Action 110 6.6 Envelope to Family of Contact Lines on Generating Surface 112 6.7 Formation of Branches of Envelope to Parametric Families of Surfaces and Curves 114 6.8 Wildhaber’s Concept of Limit Contact Normal 118 6.9 Fillet Generation 119 6.10 Two-Parameter Enveloping 124 6.11 Axes of Meshing 128 6.12 Knots of Meshing 134 6.13 Problems 137 7 Curvatures of Surfaces and Curves 153 7.1 Introduction 153 7.2 Spatial Curve in 3D-Space 153 7.3 Surface Curves 164 7.4 First and Second Fundamental Forms 175 7.5 Principal Directions and Curvatures 180 7.6 Euler’s Equation 188 7.7 Gaussian Curvature; Three Types of Surface Points 189 7.8 Dupin’s Indicatrix 193 7.9 Geodesic Line; Surface Torsion 194 8 Mating Surfaces: Curvature Relations, Contact Ellipse 202 8.1 Introduction 202 8.2 Basic Equations 203 8.3 Planar Gearing: Relation Between Curvatures 204 8.4 Direct Relations Between Principal Curvatures of Mating Surfaces 218 8.5 Direct Relations Between Normal Curvatures of Mating Surfaces 226 8.6 Diagonalization of Curvature Matrix 231 8.7 Contact Ellipse 234 9 Computerized Simulation of Meshing and Contact 241 9.1 Introduction 241 9.2 Predesign of a Parabolic Function of Transmission Errors 242 9.3 Local Synthesis 245 9.4 Tooth Contact Analysis 249 9.5 Application of Finite Element Analysis for Design of Gear Drives 257 9.6 Edge Contact 260 10 Spur Involute Gears 267 10.1 Introduction 267 10.2 Geometry of Involute Curves 268 10.3 Generation of Involute Curves by Tools 273 10.4 Tooth Element Proportions 278 10.5 Meshing of Involute Gear with Rack-Cutter 280 10.6 Relations Between Tooth Thicknesses Measured on Various Circles 285 10.7 Meshing of External Involute Gears 287 10.8 Contact Ratio 292 10.9 Nonstandard Gears 294 11 Internal Involute Gears 304 11.1 Introduction 304 11.2 Generation of Gear Fillet 305 11.3 Conditions of Nonundercutting 309 11.4 Interference by Assembly 314 12 Noncircular Gears 318 12.1 Introduction 318 12.2 Centrodes of Noncircular Gears 318 12.3 Closed Centrodes 323 12.4 Elliptical and Modified Elliptical Gears 326 12.5 Conditions of Centrode Convexity 329 12.6 Conjugation of an Eccentric Circular Gear with a Noncircular Gear 330 12.7 Identical Centrodes 331 12.8 Design of Combined Noncircular Gear Mechanism 333 12.9 Generation Based on Application of Noncircular Master-Gears 335 12.10 Enveloping Method for Generation 336 12.11 Evolute of Tooth Profiles 341 12.12 Pressure Angle 344 Appendix 12.A: Displacement Functions for Generation by Rack-Cutter 345 Appendix 12.B: Displacement Functions for Generation by Shaper 348 13 Cycloidal Gearing 350 13.1 Introduction 350 13.2 Generation of Cycloidal Curves 350 13.3 Equations of Cycloidal Curves 354 13.4 Camus’ Theorem and Its Application 355 13.5 External Pin Gearing 359 13.6 Internal Pin Gearing 365 13.7 Overcentrode Cycloidal Gearing 367 13.8 Root’s Blower 369 14 Involute Helical Gears with Parallel Axes 375 14.1 Introduction 375 14.2 General Considerations 375 14.3 Screw Involute Surface 377 14.4 Meshing of a Helical Gear with a Rack 382 14.5 Meshing of Mating Helical Gears 392 14.6 Conditions of Nonundercutting 396 14.7 Contact Ratio 398 14.8 Force Transmission 399 14.9 Results of Tooth Contact Analysis (TCA) 402 14.10 Nomenclature 403 15 Modified Involute Gears 404 15.1 Introduction 404 15.2 Axodes of Helical Gears and Rack-Cutters 407 15.3 Profile-Crowned Pinion and Gear Tooth Surfaces 411 15.4 Tooth Contact Analysis (TCA) of Profile-Crowned Pinion and Gear Tooth Surfaces 414 15.5 Longitudinal Crowning of Pinion by a Plunging Disk 419 15.6 Grinding of Double-Crowned Pinion by a Worm 424 15.7 TCA of Gear Drive with Double-Crowned Pinion 430 15.8 Undercutting and Pointing 432 15.9 Stress Analysis 435 16 Involute Helical Gears with Crossed Axes 441 16.1 Introduction 441 16.2 Analysis and Simulation of Meshing of Helical Gears 443 16.3 Simulation of Meshing of Crossed Helical Gears 452 16.4 Generation of Conjugated Tooth Surfaces of Crossed Helical Gears 455 16.5 Design of Crossed Helical Gears 458 16.6 Stress Analysis 465 Appendix 16.A: Derivation of Shortest Center Distance for Canonical Design 467 Appendix 16.B: Derivation of Equation of Canonical Design f(γo,αon,λb1,λb2)=0 472 Appendix 16.C: Relations Between Parametersαptandαpn 473 Appendix 16.D: Derivation of Equation (16.5.5) 473 Appendix 16.E: Derivation of Additional Relations Between αot1andαot2 474 17 New Version of Novikov–Wildhaber Helical Gears 475 17.1 Introduction 475 17.2 Axodes of Helical Gears and Rack-Cutter 478 17.3 Parabolic Rack-Cutters 479 17.4 Profile-Crowned Pinion and Gear Tooth Surfaces 482 17.5 Tooth Contact Analysis (TCA) of Gear Drive with Profile-Crowned Pinion 485 17.6 Longitudinal Crowning of Pinion by a Plunging Disk 487 17.7 Generation of Double-Crowned Pinion by a Worm 491 17.8 TCA of a Gear Drive with a Double-Crowned Pinion 497 17.9 Undercutting and Pointing 500 17.10 Stress Analysis 502 18 Face-Gear Drives 508 18.1 Introduction 508 18.2 Axodes, Pitch Surfaces, and Pitch Point 510 18.3 Face-Gear Generation 512 18.4 Localization of Bearing Contact 512 18.5 Equations of Face-Gear Tooth Surface 515 18.6 Conditions of Nonundercutting of Face-Gear Tooth Surface (Generated by Involute Shaper) 519 18.7 Pointing of Face-Gear Teeth Generated by Involute Shaper 522 18.8 Fillet Surface 524 18.9 Geometry of Parabolic Rack-Cutters 525 18.10 Second Version of Geometry: Derivation of Tooth Surfaces of Shaper and Pinion 527 18.11 Second Version of Geometry: Derivation of Face-Gear Tooth Surface 529 18.12 Design Recommendations 529 18.13 Tooth Contact Analysis (TCA) 531 18.14 Application of Generating Worm 535 18.15 Stress Analysis 541 19 Worm-Gear Drives with Cylindrical Worms 547 19.1 Introduction 547 19.2 Pitch Surfaces and Gear Ratio 548 19.3 Design Parameters and Their Relations 552 19.4 Generation and Geometry of ZA Worms 557 19.5 Generation and Geometry of ZN Worms 561 19.6 Generation and Geometry of ZI (Involute) Worms 574 19.7 Geometry and Generation of K Worms 581 19.8 Geometry and Generation of F-I Worms (Version I) 590 19.9 Geometry and Generation of F-II Worms (Version II) 597 19.10 Generalized Helicoid Equations 601 19.11 Equation of Meshing of Worm and Worm-Gear Surfaces 603 19.12 Area of Meshing 606 19.13 Prospects of New Developments 609 20 Double-Enveloping Worm-Gear Drives 614 20.1 Introduction 614 20.2 Generation of Worm and Worm-Gear Surfaces 614 20.3 Worm Surface Equations 618 20.4 Equation of Meshing 620 x Contents 20.5 Contact Lines 622 20.6 Worm-Gear Surface Equations 622 21 Spiral Bevel Gears 627 21.1 Introduction 627 21.2 Basic Ideas of the Developed Approach 628 21.3 Derivation of Gear Tooth Surfaces 633 21.4 Derivation of Pinion Tooth Surface 644 21.5 Local Synthesis and Determination of Pinion Machine-Tool Settings 649 21.6 Relationships Between Principal Curvatures and Directions of Mating Surfaces 656 21.7 Simulation of Meshing and Contact 661 21.8 Application of Finite Element Analysis for the Design of Spiral Bevel Gear Drives 665 21.9 Example of Design and Optimization of a Spiral Bevel Gear Drive 666 21.10 Compensation of the Shift of the Bearing Contact 676 22 Hypoid Gear Drives 679 22.1 Introduction 679 22.2 Axodes and Operating Pitch Cones 679 22.3 Tangency of Hypoid Pitch Cones 680 22.4 Auxiliary Equations 682 22.5 Design of Hypoid Pitch Cones 685 22.6 Generation of Face-Milled Hypoid Gear Drives 690 23 Planetary Gear Trains 697 23.1 Introduction 697 23.2 Gear Ratio 697 23.3 Conditions of Assembly 703 23.4 Phase Angle of Planet Gears 707 23.5 Efficiency of a Planetary Gear Train 709 23.6 Modifications of Gear Tooth Geometry 711 23.7 Tooth Contact Analysis (TCA) 712 23.8 Illustration of the Effect of Regulation of Backlash 716 24 Generation of Helicoids 718 24.1 Introduction 718 24.2 Generation by Finger-Shaped Tool: Tool Surface is Given 718 24.3 Generation by Finger-Shaped Tool: Workpiece Surface is Given 723 24.4 Generation by Disk-Shaped Tool: Tool Surface is Given 726 24.5 Generation by Disk-Shaped Tool: Workpiece Surface is Given 730 25 Design of Flyblades 734 25.1 Introduction 734 25.2 Two-Parameter Form Representation of Worm Surfaces 735 25.3 Three-Parameter Form Representation of Worm Surfaces 737 25.4 Working Equations 738 26 Generation of Surfaces by CNC Machines 746 26.1 Introduction 746 26.2 Execution of Motions of CNC Machines 747 26.3 Generation of Hypoid Pinion 750 26.4 Generation of a Surface with Optimal Approximation 752 27 Overwire (Ball) Measurement 769 27.1 Introduction 769 27.2 Problem Description 769 27.3 Measurement of Involute Worms, Involute Helical Gears, and Spur Gears 773 27.4 Measurement of Asymmetric Archimedes Screw 779 28 Minimization of Deviations of Gear Real Tooth Surfaces 782 28.1 Introduction 782 28.2 Overview of Measurement and Modeling Method 783 28.3 Equations of Theoretical Tooth Surface[1]t 784 28.4 Coordinate Systems Used for Coordinate Measurements 785 28.5 Grid and Reference Point 786 28.6 Deviations of the Real Surface 787 28.7 Minimization of Deviations رابط تنزيل كتاب بعنوان Gear Geometry and Applied Theory
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mutwasim مهندس تحت الاختبار
عدد المساهمات : 30 التقييم : 30 تاريخ التسجيل : 25/05/2013 العمر : 33 الدولة : السودان العمل : طالب هندسة الجامعة : السودان
| موضوع: رد: طلب عن حسابات التروس الخميس 01 مايو 2014, 11:53 pm | |
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