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Fluids 2: Basic Hydraulics

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Fluids 2: Basic Hydraulics

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.

Engineering
Author
Jessy Haid
Publisher
Northeast Wisconsin Technical College
Source
LibreTexts
License
CC BY
Language
EN
Read online Download PDF (open licence)
Contents· 78 sections
  1. 01: Introduction to Hydraulics
  2. 1.01: Definition and Applications of Hydraulics
  3. 1.02: Five Basic Components of a Hydraulic System and Their Functions
  4. 1.03: Definition of Hydraulic Pressure and Its Units of Measure
  5. 02: Power Units
  6. 2.01: Operation of a Hydraulic Power Unit
  7. 03: Connections of the Circuits
  8. 3.01: Functions of a Hydraulic Schematic
  9. 3.02: Function and Schematic Symbol of a Hydraulic Quick Disconnect Fitting
  10. 3.03: Function and Schematic Symbol of a Tee
  11. 3.04: Operation and Schematic Symbol of a Pressure Gage
  12. 04: Basic Cylinder Circuits
  13. 4.01: Function and Application of a Hydraulic Cylinder
  14. 4.02: Operation and Schematic Symbol of a Double-Acting Hydraulic Cylinder
  15. 4.03: Function and Appliction of a 4 3 DCV
  16. 4.04: Operation and Schematic Symbol of a 4 3 DCV
  17. 05: Pumps
  18. 5.01: Flow Rate and Its Measurement
  19. 5.02: Types of Flowmeters and Their Operation
  20. 5.03: Fixed-Displacement Pumps - Operation and Schematic Symbol
  21. 5.04: Types of Fixed-Displacement Pumps and Their Applications
  22. 06: Needle Valves
  23. 6.01: Needle Valve Function and Application
  24. 6.02: Needle Valve Operation
  25. 6.03: Controlling Actuator Speed Using a Manually-Operated DCV
  26. 07: Basic Motor Circuits
  27. 7.01: Hydraulic Motors - Function and Applications
  28. 7.02: Operation of a Hydraulic Motor
  29. 7.03: Hydraulic Motors - Types and Applications
  30. 08: Hydraulic Schematics
  31. 8.01: Rules for Drawing Hydraulic Schematics
  32. 09: Pressure and Cylinder Force
  33. 9.01: How to Calculate the Force Output of an Hydraulic Cylinder in Extention (Pushing)
  34. 9.02: How to Calculate the Force Output of an Hydraulic Cylinder in Retraction (Pulling)
  35. 10: Pascal's Law and Force Multiplication
  36. 10.01: Pascals Law and Its Significance in Hydraulics
  37. 10.02: How Force Is Multiplied Using Pascals Law
  38. 11: Fluid Friction
  39. 11.01: Two Types of Resistance in a Hydraulic System
  40. 11.02: How Delta P Describes Hydraulic Resistance
  41. 12: Pressure
  42. 12.01: Pressure in a Hydraulic System
  43. 12.02: Pulling Suction of a Fluid
  44. 13: Relief Valves
  45. 13.01: Function and Application of a Relief Valve
  46. 13.02: Operation of a Direct-Acting Relief Valve and Its Schematic Symbol
  47. 13.03: The Role of a Relief Valve in System Protection
  48. 14: Check Valves
  49. 14.01: Check Valves in Hydraulic Systems
  50. 14.02: Types of Check Valves and Their Operation
  51. 15: Flow Control Valves
  52. 15.01: The Function of a Flow Control Valve
  53. 15.02: Operation of a Flow Control Valve and its Scematic Symbol
  54. 15.03: The Effect of Actuator Load Changes on Flow Control Valve Operation
  55. 16: Metered Flow Circuits
  56. 16.01: The Operation of a Meter-In Flow Control Circuit and an Application
  57. 16.02: The Operation of a Meter-Out Flow Control Circuit and an Application
  58. 17: Independent Speed Control
  59. 17.01: Definition of Independent Speed Control and Application
  60. 17.02: How Speed Control Valves Can Be Used to Provide Multiple Speeds
  61. 18: Flow Rate and Cylinder Speed
  62. 18.01: How to Calculate the Extend Speed of a Hydraulic Cylinder
  63. 18.02: Calculate the Extend Speed of a Hydaulic Cylinder Given its Size and a Flow Rate
  64. 18.03: How to Calculate the Retraction Speed of a Cylinder
  65. 18.04: Calculate the Retract Speed of a Cylinder Given its Size and a Flow Rate
  66. 18.05: How to Calculate the Stroke Time of a Cylinder
  67. 19: Sequence Valves
  68. 19.01: The Function and Application of a Pressure Sequence Valve
  69. 19.02: Understanding the Operation of a Direct-Acting Sequence Valve and Its Schematic Symbol
  70. 19.03: Describe the Function of a Bypass Check Valve in a Sequence Valve Circuit
  71. 19.04: Why a Sequence Valve Is Externally Drained
  72. 19.05: The Operation and Schematic Symbol of an Integral Check Valve
  73. 19.06: Describe the Function of a Two-Sequence Valve Control Circuit
  74. 20: Pressure Reducing Valves
  75. 20.01: The Function of a Pressure Reducing Valve and Application
  76. 20.02: The Operation of a Direct-Acting Pressure Reducing Valve (PRV) and Schematic Symbol
  77. 20.03: The Function of a PRVs Bypass Check Valve
  78. 20.04: Why a PRV Is Externally Drained