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Industrial HydraulicPower

Overview

This course consists of thirteen lessons. These lessons were designed for beginning hydraulic technicians as well as mechanics, electricians, operators, and for those individuals who need to learn more about industrial hydraulic power. The lessons in this library train participants to identify system components, read schematics, and understand the conditions necessary for proper operation of a hydraulic system.

Objectives

  • Visually identify the basic components of an industrial hydraulic system.
  • Describe the function of the basic components of an industrial hydraulic system.
  • Understand Pascal’s Law
  • Describe the transmission of power
  • Describe conditions necessary for normal operation of a pressure relief valve.
  • Describe the conversion of power through the hydraulic system.
  • Calculate electrical horsepower and piston speed, given the appropriate variables.
  • Identify the schematic symbols for the basic components of a hydraulic system.
  • Identify the pressure at a given point in a hydraulic system using color-coding.
  • Identify the flow path through a simple hydraulic system, given a schematic for a simple hydraulic system.
  • Describe types, properties, and functions of hydraulic fluid
  • List sources of fluid contamination and ways to avoid contamination.
  • List the purposes of a hydraulic reservoir.
  • Identify the components of a hydraulic reservoir and describe their functions.
  • Describe the conditions necessary for proper functioning of a hydraulic reservoir.
  • Describe the purposes of hydraulic filters.
  • Describe the functions of hydraulic piping.
  • Describe the role of the pump in hydraulic power transmission given a system schematic.
  • Calculate the actual flow rate and the volumetric efficiency in a hydraulic system.
  • Explain the effect of the position of the reservoir in relation to the inlet side of the pump.
  • Recognize symptoms of pump malfunction.
  • Identify components of fixed and variable volume vane pumps, describe their functions.
  • Identify components of bent axis and axial piston pumps, and describe their functions.
  • Explain causes of system inefficiencies associated with fixed volume pumps.
  • Describe applications for variable volume pumps.
  • Identify and describe the application of an accumulator in a system.
  • Identify common types of accumulators.
  • Identify safety considerations for depressurizing and pre-charging an accumulator.
  • Describe how an accumulator operates in a hydraulic system.
  • Describe the functions of a pressure relief valve in a hydraulic system
  • Explain the operation of a direct-acting poppet type pressure control valve.
  • Explain the operation of a pilot operated pressure control valve.
  • Explain the operation of a normally open pressure control valve
  • Describe how an unloading pressure control valve operates.
  • Describe how a counterbalance valve operates.
  • Describe the proper operation of a pressure control valve in a sequencing circuit.
  • Describe the proper operation of a pressure control valve in a pressure reducing circuit.
  • Describe the proper operation of a check valve.
  • Identify the schematic symbols for various types of directional control valves.
  • Identify the functions of the ports on a directional control valve.
  • Trace various flow paths through the directional control valve using a system schematic.
  • Describe centering conditions commonly used in directional control valves.
  • Describe piloting arrangements commonly used with directional control valves.
  • Explain the conditions that affect flow in a hydraulic system using a system schematic.
  • Identify the schematic symbols and functions of ports for flow control valves.
  • Describe the operation of a needle valve, and trace the path of the fluid through the valve.
  • Describe the operation of a check valve.
  • Describe the operation of meter-in and meter-out circuits using a system schematic.
  • Describe the difference between a single-acting cylinder and a double-acting cylinder.
  • Identify the schematic symbol and describe the action of a differential cylinder.
  • Describe the operation of a circuit whose cylinder is controlled by regulating flow or pressure.
  • Identify the components of a hydraulic cylinder using a cutaway model.
  • Explain the purpose of a cylinder leak test.
  • Identify the schematic symbol for an unidirectional and bi-directional hydraulic motor.
  • Describe the functional similarity between a hydraulic pump and a hydraulic motor.
  • Describe the flow path through a hydraulic motor, using a cutaway diagram of a vane motor.
  • Express the output of a hydraulic motor in terms of horsepower.
  • Describe the operation of various hydrostatic drive circuits from the circuit schematics.
  • Describe the function of the components and the flow path through the circuit.

Complete Course

(includes all 13 modules)

  • Industrial Hydraulic Power

Modules

Showing 1–12 of 14 results

  • Directional Control Principles

  • Flow Control Valves

  • Introduction to Hydraulic Systems

  • Actuator Cylinders

  • Hydraulic Schematics

  • Hydraulic Motors

  • Hydraulic Fluid

  • Hydraulic Pump Applications

  • Positive Displacement Pumps

  • Hydraulic Accumulators

  • Pressure Control Principles

  • Pressure Control Operation

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