كتاب Fluid Power Circuits And Controls Fundamentals And Applications
منتدى هندسة الإنتاج والتصميم الميكانيكى
بسم الله الرحمن الرحيم

أهلا وسهلاً بك زائرنا الكريم
نتمنى أن تقضوا معنا أفضل الأوقات
وتسعدونا بالأراء والمساهمات
إذا كنت أحد أعضائنا يرجى تسجيل الدخول
أو وإذا كانت هذة زيارتك الأولى للمنتدى فنتشرف بإنضمامك لأسرتنا
وهذا شرح لطريقة التسجيل فى المنتدى بالفيديو :
http://www.eng2010.yoo7.com/t5785-topic
وشرح لطريقة التنزيل من المنتدى بالفيديو:
http://www.eng2010.yoo7.com/t2065-topic
إذا واجهتك مشاكل فى التسجيل أو تفعيل حسابك
وإذا نسيت بيانات الدخول للمنتدى
يرجى مراسلتنا على البريد الإلكترونى التالى :

Deabs2010@yahoo.com


-----------------------------------
-Warning-

This website uses cookies
We inform you that this site uses own, technical and third parties cookies to make sure our web page is user-friendly and to guarantee a high functionality of the webpage.
By continuing to browse this website, you declare to accept the use of cookies.
منتدى هندسة الإنتاج والتصميم الميكانيكى
بسم الله الرحمن الرحيم

أهلا وسهلاً بك زائرنا الكريم
نتمنى أن تقضوا معنا أفضل الأوقات
وتسعدونا بالأراء والمساهمات
إذا كنت أحد أعضائنا يرجى تسجيل الدخول
أو وإذا كانت هذة زيارتك الأولى للمنتدى فنتشرف بإنضمامك لأسرتنا
وهذا شرح لطريقة التسجيل فى المنتدى بالفيديو :
http://www.eng2010.yoo7.com/t5785-topic
وشرح لطريقة التنزيل من المنتدى بالفيديو:
http://www.eng2010.yoo7.com/t2065-topic
إذا واجهتك مشاكل فى التسجيل أو تفعيل حسابك
وإذا نسيت بيانات الدخول للمنتدى
يرجى مراسلتنا على البريد الإلكترونى التالى :

Deabs2010@yahoo.com


-----------------------------------
-Warning-

This website uses cookies
We inform you that this site uses own, technical and third parties cookies to make sure our web page is user-friendly and to guarantee a high functionality of the webpage.
By continuing to browse this website, you declare to accept the use of cookies.



 
الرئيسيةالبوابةأحدث الصورالتسجيلدخولحملة فيد واستفيدجروب المنتدى

شاطر
 

 كتاب Fluid Power Circuits And Controls Fundamentals And Applications

اذهب الى الأسفل 
كاتب الموضوعرسالة
rambomenaa
كبير مهندسين
كبير مهندسين
rambomenaa

عدد المساهمات : 2041
التقييم : 3379
تاريخ التسجيل : 21/01/2012
العمر : 47
الدولة : مصر
العمل : مدير الصيانة بشركة تصنيع ورق
الجامعة : حلوان

كتاب Fluid Power Circuits And Controls Fundamentals And Applications Empty
مُساهمةموضوع: كتاب Fluid Power Circuits And Controls Fundamentals And Applications   كتاب Fluid Power Circuits And Controls Fundamentals And Applications Emptyالجمعة 01 مارس 2013, 9:40 pm

معى اليوم احبتى فى الله
كتاب
Fluid Power Circuits And Controls Fundamentals And Applications

Contents
Preface .......................................................................................................v
1. Brief Overview of Fluid Power
...................................................... 1
1.1 Introduction..........................................................................................1
1.2 Concept of Fluid Power ......................................................................1
1.2.1 Basic Circuits ............................................................................2
1.2.2 Basic Circuit Analysis..............................................................7
1.2.3 Efficiency.................................................................................10
1.3 Summary.............................................................................................11
2. Fluid Power Basics
........................................................................ 15
2.1 Introduction........................................................................................15
2.2 Fluid Statics.........................................................................................16
2.2.1 Hydrostatic Pressure .............................................................16
2.2.2 Conservation of Mass............................................................22
2.3 Functions of a Working Fluid ..........................................................24
2.4 Fluid Properties..................................................................................26
2.4.1 Viscosity ..................................................................................26
2.4.2 Bulk Modulus.........................................................................30
2.4.3 Specific Gravity ......................................................................31
2.4.4 Other Fluid Properties ..........................................................31
2.5 Flow in Lines ......................................................................................34
2.5.1 Reynolds Number..................................................................35
2.5.2 Darcy’s Equation....................................................................37
2.5.3 Losses in Fittings....................................................................43
2.6 Leakage Flow......................................................................................45
2.7 Orifice Equation .................................................................................48
2.7.1 Analysis to Illustrate Use of Orifice Equation ...................50
2.7.2 Use of Orifice Equation to Analyze Pressure
Reducing Valve ......................................................................54
2.8 Summary.............................................................................................61
A2.1 Data for Selected Hydraulic Fluids .................................................65
3. Pressure Control
............................................................................ 67
3.1 Introduction........................................................................................67
3.2 Review of Needed Symbols .............................................................68
3.3 Relief Valve.........................................................................................69
3.3.1 Direct-Acting Relief Valve....................................................69
3.3.2 Pilot-Operated Relief Valve..................................................75
3.3.3 Example Circuits Using Pilot-Operated Relief
Valves ......................................................................................77
3.4 Unloading Valve ................................................................................81
3.5 Sequence Valve and Pressure-Reducing Valve .............................88
3.5.1 Sequence Valve ......................................................................88
3.5.2 Pressure-Reducing Valve......................................................89
3.6 Counterbalance Valve and Brake Valve.........................................92
3.6.1 Counterbalance Valve ...........................................................92
3.6.2 Brake Valve.............................................................................94
3.7 Summary.............................................................................................95
4. Creation and Control of Fluid Flow
.......................................... 101
4.1 Introduction......................................................................................101
4.2 Fixed Displacement Pumps............................................................103
4.3 Fixed Displacement Pump Circuits...............................................104
4.4 Variable Displacement Pump Circuits .........................................109
4.4.1 Vane Pump ...........................................................................110
4.4.2 Piston Pump .........................................................................114
4.4.3 Improvement in Efficiency with Load Sensing ...............117
4.5 Comparison of Pump Performance Characteristics for
Three Main Designs.........................................................................124
4.5.1 Gerotor Pump.......................................................................124
4.5.2 Vane Pump ...........................................................................130
4.5.3 Axial Piston Pump...............................................................132
4.6 Multiple Pump Circuits ..................................................................137
4.7 Pump Mounts...................................................................................138
4.8 Flow Control Valves........................................................................140
4.8.1 Flow Dividers .......................................................................143
4.9 Circuits Using Flow Control Valves .............................................144
4.10 Summary...........................................................................................146
5. Rotary Actuators
.......................................................................... 153
5.1 Introduction......................................................................................153
5.2 Stall Torque Efficiency ....................................................................157
5.3 Typical Performance Data for a Gear Motor ...............................159
5.4 Comparison of Motor Performance Characteristics for
Three Main Designs.........................................................................161
5.4.1 Gear Motor............................................................................161
5.4.2 Vane Motor ...........................................................................162
5.4.3 Piston Motor .........................................................................162
5.5 Performance Characteristics of Low-Speed, High-Torque
Motors................................................................................................164
5.5.1 Geroler Motor (Disc Valve) ................................................164
5.5.2 Vane Motor (Low-Speed, High-Torque) .........................165
5.6 Design Example for Gear Motor Application..............................167
5.6.1 Functional Requirements....................................................168
5.6.2 Other Design Considerations.............................................168
5.7 Interaction of Pump and Motor Characteristics..........................168
5.8 Bent Axis Motors..............................................................................172
5.8.1 Design Considerations for Bent Axis Motors ..................175
5.8.2 Performance Advantage of Bent Axis Design .................176
5.9 Radial Piston Motors .......................................................................179
5.10 Motor-Gearbox Combinations.......................................................180
5.11 Oscillating Actuator.........................................................................183
5.12 Summary...........................................................................................185
A5.1 Curve Fitting Technique .................................................................187
6. Hydrostatic Transmissions
......................................................... 193
6.1 Introduction......................................................................................193
6.2 Mechanical Transmissions..............................................................193
6.2.1 Torque Converters...............................................................197
6.2.2 Shift Control of Automatic Transmission ........................199
6.2.3 Summary...............................................................................201
6.3 Introduction to Hydrostatic Transmissions.................................201
6.4 Hydrostatic Transmissions for Vehicle Propulsion ....................203
6.4.1 Comparison of Hydrostatic and Mechanical
Drives.....................................................................................203
6.4.2 Advantages of Hydrostatic Transmissions ......................204
6.5 Different Configurations of Hydrostatic Transmissions
to Propel Vehicles ............................................................................205
6.5.1 Hydrostatic Transmission with Two Wheel Motors.........205
6.5.2 Hydrostatic Transmission with Final Drives...................207
6.5.3 Hydrostatic Transmission with Variable Speed
Motors....................................................................................210
6.5.4 Vehicle with Two Hydrostatic Transmissions.................210
6.5.5 Hydrostatic Drive for Three-Wheel Vehicle ....................212
6.5.6 Hydrostatic Transmission for Four-Wheel Drive
Vehicle ...................................................................................212
6.5.7 Summary...............................................................................215
6.6 Classification of Hydrostatic Transmissions ...............................215
6.7 Closed-Circuit Hydrostatic Transmissions ..................................216
6.7.1 Charge Pump........................................................................216
6.7.2 Shuttle Valve.........................................................................219
6.7.3 Cross-Port Relief Valves .....................................................221
6.7.4 Multipurpose Valves...........................................................222
6.7.5 Summary...............................................................................222
6.8 Closed-Circuit, Closed-Loop Hydrostatic Transmissions .........223
6.8.1 Review of Pump and Motor Operating
Characteristics ......................................................................223
6.8.2 Servo-Controlled Pump ......................................................226
6.8.3 Servo Valve Circuit..............................................................229
6.8.4 Response Time for Closed-Loop Circuit ..........................230
6.8.5 Operation of Closed-Circuit, Closed-Loop
Hydrostatic Transmission ..................................................231
6.9 Hydrostatic Transmission Design .................................................232
6.9.1 Hydrostatic Drive for Sweet Sorghum Harvester...........234
6.9.2 Example Solution for Design of Hydrostatic Drive
for Sweet Sorghum Harvester............................................236
6.10 Summary...........................................................................................251
A6.1 Basic Concepts in Traction..............................................................253
A6.2 Selected Catalog Data for Hydrostatic Transmission
Design Problems ..............................................................................257
7. Linear Actuators
.......................................................................... 271
7.1 Introduction......................................................................................271
7.2 Analysis of Cylinders in Parallel and Series ................................271
7.3 Synchronization of Cylinders ........................................................277
7.3.1 Orifice-Type Flow Divider .................................................279
7.3.2 Gear-Type Flow Divider.....................................................279
7.3.3 Mechanical Coupling ..........................................................279
7.4 Cushioning........................................................................................280
7.5 Rephasing of Cylinders...................................................................281
7.6 Presses ...............................................................................................282
7.6.1 Pilot-Operated Check Valve...............................................284
7.6.2 Load-Locking Circuit ..........................................................286
7.7 Load Analysis...................................................................................286
7.7.1 Analysis of Acceleration of a Load with a Cylinder.......287
7.7.2 One Method for Incorporating the Influence of
Various Factors during Acceleration Event .....................294
7.8 Types of Cylinders...........................................................................296
7.8.1 Cylinder Selection................................................................297
7.8.2 Cylinder Failure ...................................................................297
7.9 Cylinder Construction.....................................................................301
7.10 Summary...........................................................................................303
8. Temperature and Contamination Control
................................. 311
8.1 Introduction......................................................................................311
8.2 Temperature Control.......................................................................311
8.2.1 Methods for Cooling Hydraulic Oil..................................313
8.2.2 Heat Transfer from Reservoir ............................................314
8.2.3 Heat Generated by the System...........................................316
8.2.4 Design Example ...................................................................318
8.2.5 Temperature Control Summary ........................................324
8.3 Contamination Control ...................................................................325
8.3.1 Sources of Contamination ..................................................325
8.3.2 Quantifying Fluid Cleanliness ...........................................326
8.3.3 Effects of Contamination on Various Components ........328
8.3.4 Setting a Target Cleanliness Level.....................................333
8.3.5 Achieving a Target Cleanliness Level...............................335
8.3.6 Monitoring the System Cleanliness Level........................342
8.4 Summary...........................................................................................342
9. Auxiliary Components
................................................................ 349
9.1 Introduction......................................................................................349
9.2 Reservoir ...........................................................................................349
9.2.1 Reservoir Construction .......................................................350
9.3 Hydraulic Lines................................................................................354
9.3.1 Pipe ........................................................................................355
9.3.2 Hydraulic Tubing ................................................................357
9.3.3 Hydraulic Hose ....................................................................362
9.4 Fluid Velocity in Conductors .........................................................365
9.5 Options for Connecting Components...........................................368
9.5.1 Manifolds ..............................................................................370
9.5.2 Quick-Disconnect Coupling...............................................372
9.6 Installation of Lines .........................................................................373
9.6.1 Recommended Practices for Hydraulic Hose..................374
9.6.2 Environmental Issues ..........................................................374
9.7 Design Life of Components............................................................375
9.8 System Integration...........................................................................378
9.8.1 Port Connections..................................................................379
9.8.2 Tube or Hose Connections .................................................380
9.8.3 Assembly...............................................................................380
9.9 Summary...........................................................................................380
A9.1 Selected Design Data for Fluid Conductors.................................383
10. Pneumatics
................................................................................... 389
10.1 Introduction......................................................................................389
10.2 Orifice Equation ...............................................................................390
10.3 Compressors.....................................................................................392
10.3.1 Reciprocating Piston Compressor ...................................392
10.3.2 Diaphragm Compressor ...................................................392
10.3.3 Sliding Vane Rotary Compressor ....................................392
10.3.4 Cooling ................................................................................392
10.4 Receiver .............................................................................................394
10.5 Pipelines ............................................................................................394
10.6 Preparation of Compressed Air.....................................................394
10.6.1 Drying of Air ......................................................................394
10.6.2 Air Filtration .......................................................................396
10.6.3 Pressure Regulation...........................................................397
10.6.4 Compressed Air Lubrication............................................398
10.6.5 Service Units .......................................................................398
10.7 Cylinders...........................................................................................399
10.7.1 Single-Acting Cylinders....................................................399
10.7.2 Diaphragm Cylinder .........................................................399
10.7.3 Rolling Diaphragm Cylinders..........................................400
10.7.4 Double-Acting Cylinders..................................................400
10.7.5 Impact Cylinder .................................................................401
10.7.6 Free Air Consumption by Cylinders...............................401
10.8 Motors................................................................................................403
10.8.1 Types of Pneumatic Motors..............................................403
10.8.2 Characteristics of Pneumatic Motors ..............................405
10.9 Additional Actuator Units..............................................................408
10.9.1 Cylinder with Mounted Air Control Block....................408
10.9.2 Hydropneumatic Feed Unit .............................................408
10.9.3 Feed Unit.............................................................................409
10.9.4 Rotary Index Table.............................................................410
10.9.5 Air Cushion Sliding Table ................................................410
10.10 Valves ................................................................................................411
10.10.1 Valve Symbols..................................................................411
10.10.2 Valve Design.....................................................................412
10.10.3 Poppet Valves...................................................................412
10.10.4 Slide Valves.......................................................................413
10.10.5 Other Valves .....................................................................414
10.11 Summary...........................................................................................415
A10.1 Standard Conditions .......................................................................417
11. Servo Valves
................................................................................. 421
11.1 Introduction......................................................................................421
11.2 Concept..............................................................................................422
11.2.1 Feedback..............................................................................425
11.2.2 Programmable Orifice.......................................................426
11.2.3 Control of Pump Displacement .......................................430
11.2.4 Basic Servo Systems...........................................................430
11.3 Servo Valve Construction...............................................................432
11.3.1 Torque Motor .....................................................................432
11.3.2 Methods for Shifting Servo Valve Spool ........................435
11.3.3 Valve Construction ............................................................438
11.4 Valve Performance...........................................................................440
11.4.1 Rated Flow ..........................................................................440
11.4.2 Pressure Drop.....................................................................441
11.4.3 Internal Leakage.................................................................443
11.4.4 Hysteresis............................................................................443
11.4.5 Threshold ............................................................................443
11.4.6 Gain......................................................................................443
11.4.7 Frequency Response..........................................................445
11.4.8 Phase Lag ............................................................................448
11.4.9 Summary.............................................................................450
11.5 Types of Servo Systems...................................................................450
11.5.1 Hydromechanical Servo System......................................450
11.5.2 Electrohydraulic Servo Systems ......................................451
11.6 Servo Amplifiers ..............................................................................457
11.7 Servo Analysis..................................................................................459
11.7.1 Open-Loop Gain ................................................................463
11.7.2 Natural Frequency.............................................................463
11.7.3 Error Terms.........................................................................471
11.7.4 Introduction to the Laplace Domain...............................474
11.8 Summary...........................................................................................480
12. Proportional Valves
..................................................................... 487
12.1 Introduction......................................................................................487
12.2 Types of Proportional Valves.........................................................487
12.2.1 Force-Controlled Proportional Valves............................488
12.2.2 Summary.............................................................................497
12.2.3 Stroke-Controlled Proportional Valves ..........................497
12.3 Analysis of Proportional Directional Control Valve ..................499
12.3.1 Overrunning Load.............................................................501
12.3.2 Resistive Load ....................................................................507
12.3.3 How a Proportional Direction Control Valve
Functions in a Circuit........................................................510
12.4 Comparison of Servo and Proportional Valves...........................513
12.5 Summary...........................................................................................514
A12.1 Summary of Equations....................................................................517
Index
..................................................................................................... 521
رابط التحميل :

http://www.mediafire.com/?v72d1kpchrk71k8
الرجوع الى أعلى الصفحة اذهب الى الأسفل
Admin
مدير المنتدى
مدير المنتدى
Admin

عدد المساهمات : 19002
التقييم : 35506
تاريخ التسجيل : 01/07/2009
الدولة : مصر
العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى

كتاب Fluid Power Circuits And Controls Fundamentals And Applications Empty
مُساهمةموضوع: رد: كتاب Fluid Power Circuits And Controls Fundamentals And Applications   كتاب Fluid Power Circuits And Controls Fundamentals And Applications Emptyالأحد 03 مارس 2013, 5:47 pm

جزاك الله خيراً وبارك الله فيك وجعله فى ميزان حسناتك
الرجوع الى أعلى الصفحة اذهب الى الأسفل
rambomenaa
كبير مهندسين
كبير مهندسين
rambomenaa

عدد المساهمات : 2041
التقييم : 3379
تاريخ التسجيل : 21/01/2012
العمر : 47
الدولة : مصر
العمل : مدير الصيانة بشركة تصنيع ورق
الجامعة : حلوان

كتاب Fluid Power Circuits And Controls Fundamentals And Applications Empty
مُساهمةموضوع: رد: كتاب Fluid Power Circuits And Controls Fundamentals And Applications   كتاب Fluid Power Circuits And Controls Fundamentals And Applications Emptyالأحد 24 مارس 2013, 6:10 am

الرجوع الى أعلى الصفحة اذهب الى الأسفل
 
كتاب Fluid Power Circuits And Controls Fundamentals And Applications
الرجوع الى أعلى الصفحة 
صفحة 2 من اصل 1
 مواضيع مماثلة
-
» كتاب Fluid Power Circuits and Controls Fundamentals and Applications
» كتاب Fluid-Power-Circuits
» كتاب Electronics Fundamentals - Circuits, Devices and Applications
» حل كتاب Fluid Mechanics - Fundamentals and Applications Solution Manual
» كتاب Fluid Power with Applications

صلاحيات هذا المنتدى:لاتستطيع الرد على المواضيع في هذا المنتدى
منتدى هندسة الإنتاج والتصميم الميكانيكى :: المنتديات الهندسية :: منتدى الكتب والمحاضرات الهندسية :: منتدى كتب ومحاضرات الأقسام الهندسية المختلفة-
انتقل الى: