Download here the Hydraulic Training Course ... - Bosch Rexroth
Download here the Hydraulic Training Course ... - Bosch Rexroth
Download here the Hydraulic Training Course ... - Bosch Rexroth
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TPS-1<br />
<strong>Hydraulic</strong>s -<br />
Proportional Systems<br />
3 Days St. Neots/Treforest/Bradford<br />
Aims<br />
<strong>Course</strong> Content<br />
• To introduce students to <strong>the</strong> principles and<br />
Day One<br />
practices of proportional control<br />
Valve construction and operation:<br />
• Introduction to <strong>the</strong> study of circuit construction and • Types of proportional control devices<br />
circuit components<br />
• Pressure relief<br />
• To introduce basic principles of design of<br />
• Flow control<br />
proportional systems<br />
• Direction control<br />
• Students will gain knowledge of both analogue and • <strong>Hydraulic</strong> symbols<br />
digital proportional systems<br />
• Spool configurations<br />
• Students will gain a knowledge of both open and • Selection & sizing with reference to<br />
closed loop proportional systems<br />
manufacturer’s data<br />
• For student to become familiar with set-up<br />
Electrical operation:<br />
procedures on proportional systems<br />
• Types of proportional control devices<br />
• For students to become familiar with maintenance • Basic electrical circuits and operation<br />
and faultfinding techniques on proportional<br />
• Solenoid design<br />
hydraulic systems<br />
• Comparison between conventional and<br />
proportional valves<br />
• Methods of control<br />
• Comparison between analogue and digital control<br />
Pre-requisites<br />
• Attendance on ei<strong>the</strong>r MH or MH-s<br />
(See Stage 2 prerequisites)<br />
Participants<br />
• Maintenance Engineers<br />
• Project Engineers<br />
Notes<br />
• Practical exercises form an important part of this<br />
course. These are carried out using our range of<br />
specially designed training rigs<br />
• <strong>Course</strong> participants are asked to bring current<br />
circuit diagrams to <strong>the</strong>se sessions w<strong>here</strong> time will<br />
be devoted to <strong>the</strong>ir explanation<br />
Day two<br />
Proportional Attributes:<br />
• Ramp<br />
• Gain<br />
• Deadband<br />
• Di<strong>the</strong>r<br />
• Pulse width modulation<br />
Amplifier cards:<br />
• Principles of operation<br />
• Design and application<br />
• Analogue and digital<br />
Closed Loop:<br />
• Internal and external feedback devices<br />
• Operation and application of closed loop systems<br />
Day three<br />
Integrated Electronics Option Frequency Response:<br />
• Principles of operation<br />
• Bode diagrams and <strong>the</strong>ir use in manufacturer’s<br />
data<br />
• PID control<br />
Practical Exercises:<br />
•Commissioning and set-up procedures<br />
• Open loop circuits<br />
• Closed loop circuits<br />
• Interface to <strong>the</strong> control<br />
• Use of monitoring equipment<br />
7
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