Industrial Hydraulics Course

Lesson 1 • Pascal's Law and Fluid Mechanics

Covers pressure transmission, force multiplication, and fluid behavior under load. Provides the theoretical basis for all subsequent hydraulic calculations.

Lesson 2 • Overview of Industrial Hydraulic Systems

Maps the complete power circuit from reservoir to actuator and back. Students recognize each subsystem's role within the overall energy chain.

Lesson 3 • Flow Fundamentals and Bernoulli's Principle

Introduces laminar vs. turbulent flow, continuity equation, and energy conservation in moving fluid. Underpins pump and valve sizing decisions.

Lesson 1 • ISO and ANSI Graphic Symbols

Introduces standardized symbols for pumps, valves, actuators, and lines. Establishes a universal visual language used throughout the course.

Lesson 2 • Schematic Annotation and Documentation

Covers component numbering, bill of materials, and revision control on drawings. Prepares students for professional documentation practices.

Lesson 3 • Reading Circuit Diagrams

Teaches systematic tracing of pressure, return, and pilot lines in complete circuits. Connects symbol knowledge to real-world schematic interpretation.

Lesson 1 • Gear, Vane, and Piston Pump Types

Compares operating principles, efficiency curves, and pressure ratings of major pump families. Enables informed pump selection for given duty cycles.

Lesson 2 • Pump Condition Monitoring and Wear

Identifies wear indicators, noise signatures, and performance degradation patterns. Prepares students to detect pump faults before failure occurs.

Lesson 3 • Power Unit Assembly and Installation

Covers reservoir sizing, filtration placement, heat exchanger integration, and coupling alignment. Translates pump knowledge into complete power unit design.

Lesson 4 • Variable Displacement Pump Controls

Examines pressure-compensated, load-sensing, and horsepower-limiting controls. Shows how variable displacement reduces energy consumption.

Lesson 1 • Flow Control Valves and Circuits

Teaches meter-in, meter-out, and bleed-off circuits using fixed and pressure-compensated flow controls. Directly affects actuator speed regulation.

Lesson 2 • Check Valves and Logic Elements

Covers pilot-operated check valves, shuttle valves, and two-pressure valves. Expands circuit design options for load holding and signal selection.

Lesson 3 • Proportional and Servo Valves

Introduces electrohydraulic proportional and servo valve construction and control signals. Bridges mechanical valve knowledge to precision motion control.

Lesson 4 • Directional Control Valves

Covers spool design, actuation methods, and center condition options for DCVs. Connects valve selection to actuator direction and speed control.

Lesson 1 • Hydraulic Motors and Rotary Actuators

Covers gear, vane, and piston motor types plus limited-rotation actuators. Connects torque and speed formulas to motor selection criteria.

Lesson 2 • Cylinder Force and Speed Calculations

Applies bore area, rod area, and pressure to calculate extend and retract forces and speeds. Core quantitative skill for actuator sizing.

Lesson 3 • Hydraulic Cylinder Types and Construction

Compares tie-rod, welded, and telescopic cylinders and their internal sealing arrangements. Establishes the structural basis for force and stroke calculations.

Lesson 1 • Hydraulic Hose Assemblies

Examines hose construction layers, SAE pressure ratings, and proper routing practices. Prevents premature hose failure through correct specification.

Lesson 2 • Fittings, Adapters, and Connections

Compares O-ring face seal, JIC, NPT, and BSPP fitting standards for leak-free joints. Guides correct fitting selection and assembly torque.

Lesson 3 • Seal Materials and Failure Modes

Reviews nitrile, polyurethane, PTFE, and Viton seal properties and chemical compatibility. Links seal selection to fluid type and operating temperature.

Lesson 4 • Hydraulic Fluid Selection and Management

Covers mineral oil, synthetic, and fire-resistant fluid types and their maintenance requirements. Ensures fluid choice supports system performance and safety.

Lesson 1 • Cylinder Synchronization Circuits

Covers flow divider, servo valve, and mechanical synchronization methods for parallel cylinders. Addresses common industrial requirements for level lifting and pressing.

Lesson 2 • Regenerative and Differential Circuits

Analyzes circuits that recirculate rod-end flow to increase extend speed without added pump flow. Demonstrates advanced circuit techniques for cycle time reduction.

Lesson 3 • Load-Sensing and Pressure-Compensated Systems

Explains how load-sensing pumps and compensated valves maintain efficiency across varying loads. Connects variable displacement pump controls to multi-actuator circuits.

Lesson 4 • System Design Methodology

Introduces a structured process from requirements definition through component sizing to schematic completion. Provides a repeatable framework for all design tasks.

Lesson 1 • Systematic Troubleshooting Methodology

Introduces symptom-based fault trees and divide-and-conquer isolation techniques. Reduces diagnostic time by providing a structured, repeatable process.

Lesson 2 • Preventive Maintenance Programs

Establishes fluid sampling intervals, filter change schedules, and component inspection routines. Extends system life and reduces unplanned downtime.

Lesson 3 • Hydraulic Safety Practices and Hazards

Covers injection injury risks, stored energy lockout, fire hazards, and personal protective equipment. Ensures students work safely on pressurized systems.

Lesson 4 • Diagnostic Instruments and Measurement

Covers pressure gauges, flow meters, temperature sensors, and data loggers for in-service testing. Connects instrument selection to specific fault hypotheses.