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Webinar recording

Vibration for Service Centers (12-part webinar series)

  • October 2015
  • Number of views: 504
  • Article rating: No rating
Recording duration: 15 hours

This 12-part recording (15 hours) covers a wide range of topics on vibration.

Members rely on EASA to provide technical assistance and training in all areas related to machinery repair. In the area of machinery vibration, there are training providers that offer general classes in vibration analysis and balancing, but the content is geared to plant maintenance personnel who would be conducting in-plant predictive maintenance services. Some key areas important to EASA service center technicians is not covered adequately, and much of the content does not apply to vibration testing conducted in the service center. This course is designed to address those shortcomings and provide fundamental training in vibration analysis and balancing that directly applies to technicians working in the service center.

Main goals of the series
This webinar series was designed to:

  • Provide EASA service center technicians with the technical knowledge they need to effectively measure and diagnose vibration on machines being tested in the service center.
  • Provide the foundation understanding necessary to use vibration data as an indicator of machinery condition
  • Provide the fundamental knowledge of dynamic balancing necessary to use common balancing instruments in the service center

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Who would benefit from watching this series?
Service center technicians who measure and analyze machinery vibration, and those who must evaluate the vibration data will benefit greatly from the fundamental understanding and knowledge provided by this training series. Service center engineers who may be involved in writing, interpreting and applying vibration and balancing specifications and tolerances will gain a practical understanding of the terms, definitions and parameters encountered in those specifications.

As with any technical subject, fundamental math skills will allow attendees to quickly comprehend concepts and apply techniques. Vibration results from the mechanical and electrical forces at work in machinery, and a fundamental understanding of those forces, and machine components that cause them, will aid in the understanding and application of the subject matter.

Price
Downloadable version - $745 for members, $1,885 for non-members
DVD-ROM version (for viewing on a computer) - $795 for members, $1,985 for non-members

Part 1

Introduction and Overview

  • Vibration – a key indicator of machine condition
  • A complex measurement of amplitude, frequency & phase
  • Historical perspective of machinery vibration measurement
  • How it is applied to new and repaired motor
  • Broader applications of vibration measurement
Part 2

Amplitude, Frequency and Phase

  • Vibration parameter units (mil, in/sec, etc.)
  • Basics of the spectrum
  • Basic vectors
Part 3

Vibration Tolerances

  • NEMA vibration specifications for new motors
  • IEC / ISO vibration specifications

Part 4

Basic Vibration Analysis (Part 1)

  • Recording and reading vibration spectra
Part 5

Basic Vibration Analysis (Part 2)

  • Using the time-waveform display with the spectrum
  • The time-waveform and spectrum relationship
Part 6

Dynamic Balancing Basics

  • Single-plane balancing
  • Understanding phase angle
  • Two-plane balancing
  • Balance tolerances
Part 7

Resonance

  • Natural frequencies and structural resonance
  • Bode plots
  • Flexible rotor and critical speeds
Part 8

Time and Speed Transient Analysis

  • Waterfall spectra display
  • Identifying resonance
  • Data acquisition techniques
Part 9

Rolling Element Bearing Vibration

  • Characteristics of vibration from bearing faults
  • Calculating bearing fault frequencies
  • Assessing bearing condition
Part 10

Demodulation and High Frequency Band Measurements

  • Overview of various high frequency direction schemes
  • Demodulation basics
Part 11

Field Analysis Techniques

  • Setting up PdM programs
  • Tips on field vibration troubleshooting
Part 12

Field Balancing—Problems and Solutions

  • Tips on field balancing

 

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