Fluids 2: Basic Hydraulics

by Jessy Haid

Read here Read at LibreTextsPDF

This basic hydraulics textbook covers power units, connections of the circuits, basic cylinder circuits, pumps, needle valves, basic motor circuits, hydraulic schematics, pressure and cylinder force, Pascal's Law and force multiplication, fluid friction, pressure, relief valves, check valves, flow control valves, metered flow circuits, independent speed control, flow rate and cylinder speed, sequence valves, and pressure reducing valves.

Description from LibreTexts.

Publisher
Northeast Wisconsin Technical College
Subjects
Engineering
Licence
CC BY 4.0, as LibreTexts states it
Who can read
Tweens profiles and older, judged from its title and subjects

Contents

LibreTexts writes equations in TeX, and here they show as TeX; the PDF has them typeset.

  1. Front Matter
  2. TitlePage
  3. InfoPage
  4. Table of Contents
  5. Licensing
  6. 1: Introduction to Hydraulics
  7. 1.1: Definition and Applications of Hydraulics
  8. 1.2: Five Basic Components of a Hydraulic System and Their Functions
  9. 1.3: Definition of Hydraulic Pressure and Its Units of Measure
  10. 2: Power Units
  11. 2.1: Operation of a Hydraulic Power Unit
  12. 3: Connections of the Circuits
  13. 3.1: Functions of a Hydraulic Schematic
  14. 3.2: Function and Schematic Symbol of a Hydraulic Quick Disconnect Fitting
  15. 3.3: Function and Schematic Symbol of a Tee
  16. 3.4: Operation and Schematic Symbol of a Pressure Gage
  17. 4: Basic Cylinder Circuits
  18. 4.1: Function and Application of a Hydraulic Cylinder
  19. 4.2: Operation and Schematic Symbol of a Double-Acting Hydraulic Cylinder
  20. 4.3: Function and Appliction of a 4/3 DCV
  21. 4.4: Operation and Schematic Symbol of a 4/3 DCV
  22. 5: Pumps
  23. 5.1: Flow Rate and Its Measurement
  24. 5.2: Types of Flowmeters and Their Operation
  25. 5.3: Fixed-Displacement Pumps - Operation and Schematic Symbol
  26. 5.4: Types of Fixed-Displacement Pumps and Their Applications
  27. 6: Needle Valves
  28. 6.1: Needle Valve Function and Application
  29. 6.2: Needle Valve Operation
  30. 6.3: Controlling Actuator Speed Using a Manually-Operated DCV
  31. 7: Basic Motor Circuits
  32. 7.1: Hydraulic Motors - Function and Applications
  33. 7.2: Operation of a Hydraulic Motor
  34. 7.3: Hydraulic Motors - Types and Applications
  35. 8: Hydraulic Schematics
  36. 8.1: Rules for Drawing Hydraulic Schematics
  37. 9: Pressure and Cylinder Force
  38. 9.1: How to Calculate the Force Output of an Hydraulic Cylinder in Extention (Pushing)
  39. 9.2: How to Calculate the Force Output of an Hydraulic Cylinder in Retraction (Pulling)
  40. 10: Pascal's Law and Force Multiplication
  41. 10.1: Pascal’s Law and Its Significance in Hydraulics
  42. 10.2: How Force Is Multiplied Using Pascal’s Law
  43. 11: Fluid Friction
  44. 11.1: Two Types of Resistance in a Hydraulic System
  45. 11.2: How Delta P Describes Hydraulic Resistance
  46. 12: Pressure
  47. 12.1: Pressure in a Hydraulic System
  48. 12.2: Pulling Suction of a Fluid
  49. 13: Relief Valves
  50. 13.1: Function and Application of a Relief Valve
  51. 13.2: Operation of a Direct-Acting Relief Valve and Its Schematic Symbol
  52. 13.3: The Role of a Relief Valve in System Protection
  53. 14: Check Valves
  54. 14.1: Check Valves in Hydraulic Systems
  55. 14.2: Types of Check Valves and Their Operation
  56. 15: Flow Control Valves
  57. 15.1: The Function of a Flow Control Valve
  58. 15.2: Operation of a Flow Control Valve and its Scematic Symbol
  59. 15.3: The Effect of Actuator Load Changes on Flow Control Valve Operation
  60. 16: Metered Flow Circuits
  61. 16.1: The Operation of a Meter-In Flow Control Circuit and an Application
  62. 16.2: The Operation of a Meter-Out Flow Control Circuit and an Application
  63. 17: Independent Speed Control
  64. 17.1: Definition of Independent Speed Control and Application
  65. 17.2: How Speed Control Valves Can Be Used to Provide Multiple Speeds
  66. 18: Flow Rate and Cylinder Speed
  67. 18.1: How to Calculate the Extend Speed of a Hydraulic Cylinder
  68. 18.2: Calculate the Extend Speed of a Hydaulic Cylinder Given its Size and a Flow Rate
  69. 18.3: How to Calculate the Retraction Speed of a Cylinder
  70. 18.4: Calculate the Retract Speed of a Cylinder Given its Size and a Flow Rate
  71. 18.5: How to Calculate the Stroke Time of a Cylinder
  72. 19: Sequence Valves
  73. 19.1: The Function and Application of a Pressure Sequence Valve
  74. 19.2: Understanding the Operation of a Direct-Acting Sequence Valve and Its Schematic Symbol
  75. 19.3: Describe the Function of a Bypass Check Valve in a Sequence Valve Circuit
  76. 19.4: Why a Sequence Valve Is Externally Drained
  77. 19.5: The Operation and Schematic Symbol of an Integral Check Valve
  78. 19.6: Describe the Function of a Two-Sequence Valve Control Circuit
  79. 20: Pressure Reducing Valves
  80. 20.1: The Function of a Pressure Reducing Valve and Application
  81. 20.2: The Operation of a Direct-Acting Pressure Reducing Valve (PRV) and Schematic Symbol
  82. 20.3: The Function of a PRV’s Bypass Check Valve
  83. 20.4: Why a PRV Is Externally Drained
  84. Back Matter
  85. Index
  86. Glossary
  87. Detailed Licensing
  88. Detailed Licensing