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Pneumatics Applications

3 Day Training

Dates: 27 – 29 May | 19 – 21 August 2024
Locations: Johannesburg, South Africa
Platform: Available In-Class / Online

Price: Available on request

This is a Non-accredited Course

Course Introduction

Our Pneumatics Applications course introduces pneumatic principles through a combination our theoretic curriculum with hands-on skills resulting in a thorough understanding of the topic.

 

The course covers how work, force, and energy are applied to principles of pneumatics. The course shows operating principles of reciprocating, positive displacement, rotary, and dynamic air compressors, covers primary and secondary air treatment, including valves, logic devices, cylinders, and air motors.

 

All persons declared competent after receiving the basic pneumatics training should be able to service and repair any

pneumatic equipment in the plant.

Course Objectives

  • Understand the principles of pneumatics

  • Read and interpret pneumatic symbols and diagrams

  • Identify pneumatic components and their function

  • Diagnose faults on pneumatic equipment and systems

  • Replace faulty pneumatic equipment.

  • Complete required documentation including condition and failure reports

Who should attend?

  • Maintenance staff working on pneumatic equipment or any person nominated by the maintenance manager.

  • Production operators with a technical inclination and nominated as TPM workers.

  • Any worker at any level that needs to be developed into a multiskilled TPM person.

  • Current apprentices that have pneumatics as one of their modules (fitters and millwrights).

  • Qualified artisans who require this module as part of their daily duty (multitasking development and expansion).

  • Managers who require this skill in order to save time on mediocre breakdowns (can do basic repairs themselves).

  • Engineers that require a refresher on pneumatics.

Training methodology

Training Methodology

Our diverse instructional approaches ensure effective learning:

– Lectures & Presentations: Engage with expert-driven, stimulating content.
– Course Material: Access well-crafted supporting resources.
– Group Work: Collaborate on discussions and case studies for practical insights.
– Workshops & Role-Play: Participate in immersive, scenario-based activities.
– Practical Application: Focus on applying theoretical knowledge in real situations.
– Post-Training Support: Receive extensive support after training for skill implementation.

Training Outline

Principles of Pneumatics

  • Physical Fundamentals of Pneumatics

  • Characteristics of Air

  • Generation and Preparation of Compressed Air

    • Air production plant

    • Air preparation

    • Air driers

    • Absorption dryers

    • Service unit – Air filter

    • Pressure regulator

    • Air lubricator

  • After studying the course material of this module and successfully completing all the practical work required the trainee should be able to:

    • Pass a theoretical test on the characteristics of air.

    • Pass a theoretical test on the generation and preparation of air.

Pneumatic Diagrams and Symbols

  • Symbols for Energy conversion and preparation

  • Development of Symbols for Directional control valves

  • Numbering, Ports and positions for Directional control valves

  • Methods of actuation

  • Symbols for Non-return valves and derivatives

  • Symbols for Pressure valves

  • Cylinders or Linear actuators

  • Rotary Actuators

  • Auxiliary Symbols

  • Designing Basic Pneumatic circuits

  • Exercise 1. Direct control of a single-acting cylinder

  • Exercise 2. Indirect control of a double acting cylinder

  • Exercise 3. Speed control of cylinder with a memory circuit

  • After studying the course material of this module and successfully completing all the practical work required the trainee should be able to:

  • Identify various schematic symbols used in pneumatics.

  • Design a basic schematic drawing from a given requirement.

Thermal control of hydraulic systems  

  • Define and explain Heat Exchangers

  • Heat dissipation heat exchangers:

    • Air-cooled and Water Cooled

    • Advantages & Disadvantages

Hydraulic components and Valves        

  • Pressure­control valves; incl.

    • Pressure­Relief Valve

    • Simple Pressure­Relief Valve

    • Compound Pressure­Relief Valve

  • Directional Control Valves; including

    • Complex Valves

    • Poppet Valve

    • Sliding­Spool Valve

    • Two­Way

    • Four­Way Valves

  • Control Valve Repair

  • Proportional valves; including:

    • Proportional Control Valve Circuits

    • Circuits with proportional throttle valves

  • Typical conventional valve circuit with resistive load

  • Cartridge valves; including slip-in cartridge valves

  • How to Monitor a Hydraulic Machine’s ‘Vital Signs’

Hydraulic Accumulators, Circuits and Control Theory           

  • Accumulators – selection of and calculation of size; including

    • Weight-loaded-type

    • Spring-loaded-type

    • Gas-loaded-type

    • Non-separator type

    • Piston-type separator gas-loaded

    • Bladder-type separator gas-loaded accumulators

  • Accumulator applications

  • An auxiliary power source

  • Leakage compensator

  • Hydraulic shock absorber

Step-by-Step Building of a Hydraulic system         

  • Step 1: Understand how a hydraulic system works

  • Step 2: Determine what type of power source your hydraulic system will require

  • Step 3: Look at some simple, everyday hydraulic systems to help you become familiar with their function.

  • Step 4: Plan your hydraulic system project with the design parameters you will require.

  • Step 5: Determine the amount of work your system will do to allow you to size the components

  • Step 6: Choose the appropriate container for your hydraulic fluid reservoir

  • Step 7: Pick a suitable material to plumb up your hydraulic circuit

  • Step 8: Find a suitable valve system for your task

  • Step 9: Select the type of and capacity of your hydraulic pump

  • Step 10: Pair up a suitable motor to your pump

  • Step 11: Hook up your power application component

  • Step 12: Build a support frame that will position each component in a position where it will perform it’s task

  • Step 13: Fill the system with the hydraulic fluid you choose, bleed the air out of it, then pressurize it to check for leaks

Hydraulic control theory

  • Pressure compensation and load sensing, closed loop and open loop

  • Control valves

  • Control components in a hydraulic system

    • Centering washers

    • Simple pressure relief valve

    • Pressure-compensated flow control valves

    • The Hydraulic Lever

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