Course Objectives

 The course objectives are:

• To ensure that the attendees will understand the concepts of alignment and misalignment and of ensuring that misalignment is eliminated whenever possible.
• To have a full comprehension of the consequences of misalignment and be able to describe them.
• To ensure that they recognize and are able to describe the types of misalignment which can occur.
• To be able to describe and carry out pre-alignment procedure checks.
• To be able to carry out the graphical reverse alignment procedure and attain an alignment of +/- 0.002 T.I.R.
• To be able to describe the concept of desired alignment and be able to plot graphs in order to carry out the procedure.
• To be able to describe the concept of hot alignment and be able to plot graphs in order to carry out the procedure.

Course Description

This course will provide practical training on the main alingment techniques including Reverse Alignment and Laser Alignment. Students will be given opportunity to practice these alignment techniques on our training rigs and will use a Pruftechnik Laser Alignment system as part of the training process.

Who should attend

The course is targeted at technicians involved in the operation and maintenance of all plant rotating machinery. The primary function is to provide them with the knowledge and practical training to carry out reverse graphic alignment without error. The course is an essential preliminary step before embarking upon laser alignment techniques.

Pre-Requisites

All Attendees should have a sound power generation and mechanical background.

Course Outcome

At the end of this course you will be able to align shafts of turbines.

Course Outline

Days 1 - 5

• Introduction
• An explanation of the concepts of misalignment and alignment.
• Recognising machinery problems which can occur because of misalignment.
• Recognising the types of misalignment.
• Describe alignment procedures.
• Describe the tools and equipment used to perform alignment.
• Methods of carrying out alignment.
• Pre-alignment checks.
  • Sag
  • Soft Foot
  • Run-out
  • Mechanical Looseness
  • Motor Magnetic Centre
  • Piping Strain

Days 6 -10

• Prepare graphs for graphic cold reverse alignment.
  • Plot vertical readings.
  • Plot horizontal readings
    • Perform cold graphic alignment without error.
• Prepare graphs for desired readings
  • Plot vertical readings.
  • Plot horizontal readings
• Prepare graphs for graphic hot alignment
  • Plot vertical readings.
  • Plot horizontal readings
• Conduct laser alignment using Pruftechnik Laser Alignment Equipment
• Course Review and Feedback
   

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