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Vibration Monitoring, Analysis & Balancing.
Objectives

Upon completing this course, participants will be able to:

  • The primary causes of vibration in machinery is due to imbalance of rotors
  • This seminar will cover basic balancing terminology and a practical guide to solving single and dual plane balancing of rigid. flexible rotors and some of the challenges and pitfalls one can encounter during the process of balancing.
  • Understand the basics of vibration measurement.
  • Demonstrate the basics of signal analysis.
  • Understand measurement and the characteristics of vibration signals.
  • Use Data Acquisition Equipment for vibration signals.
  • Understand CSI 2130 System overview and set up. 
  • Transferring measurement data between the data collector and Machine Suite and vice versa.
  • Route creation and set up & Route data collection.
  • Collecting off route data.
  • Reviewing measurement results in the field.
  • Analyzing vibration spectrums.
  • Two channel/balancing/bump test/recorder overview.
  • Guidelines for implementing a portable condition monitoring program.
  • Apply vibration analysis for different machinery faults.
  • Apply specific techniques for pumps, compressors, engines, turbines and motors.
  • Apply vibration based fault detection and diagnostic techniques.
  • Diagnose machinery related problems with vibration analysis techniques.
  • Apply advanced signal processing techniques and tools to Vibration analysis.
  • Detect, locate and diagnose faults in rotating and reciprocating machinery using vibration analysis techniques.
  • Identify conditions of resonance and be able to rectify these problems

Outlines

Day One

VIBRATION ANALYSIS

 

What Is Vibration And How Can It Be Used To Evaluate Machinery Condition?

  • Introduction

 

  •  What Is Vibration Frequency And How Does It Relate To A Time Wave Form?
  •  What Is Vibration Displacement?
  •  What Is Vibration Velocity?
  •  What Is Vibration Acceleration?
  •  What Is Vibration Phase?
  • What Is The Vibration Spectrum?
  • Difference between RMS, Peak and Peak-Peak Vibration Amplitude?
  • When To Use Displacement, Velocity Or Acceleration?
  • How Much Is Too Much Vibration?
  • What Is Overall Vibration?
  • Understanding Phase and Its Application?
  • How to Make Phase Measurements?
  • Using Phase Analysis in Vibration Diagnostics?

 

 

 

Overview of Vibration Transducer and How to Properly Select Them

Introduction

  •  Types Of Vibration Transducers And Their Optimum Applications
  •  Accelerometers
  •  Velocity Pickups
  •  Noncontact Eddy Current Displacement Probes
  •  Shaft Contact Displacement Probes
  •  Shaft Sticks
  •  Shaft Riders

Selection Criteria

  •  Mounting Of Transducer
  • Transducer Mounting Application

 

Proven Method for Specifying Spectral Band Levels And Frequencies Using Todays Predictive Maintenance Software System

  • Brief Review Problems Detectable By Vibration Analysis
  • Specification Of Overall Vibration Alarm Bands For Various Machine Types
  • How To Specify Spectral Alarm Bands For Various Machine Types And Configurations
  • Examples Of Various Machines With Spectral Alarm Bands Specified For Them

 

Common Pitfalls in Everyday Vibration Measurements

  • Introduction
  • Choosing Measurements Location
  • Machine And Point Identification
  • Measurement Parameters
  • Instrument Selection, Setup, And Condition
  • Measurements Techniques
  • Transducer Mounting And Probes
  • Effect Of Transducer Mounting On Vibration Measurements

 

Digital Signal Processing

Introduction

  • Related Time waveform Length And Frequency Band Width To Sampling Rate And Sample Size
  • Choose The Correct Analysis Window For Each Vibration AnalysisOpportunity
  • Recognize Limitation Of Digital Signal Processing

1.0   Practical case study

 

Day Two:

CSI 2130 Machinery Health™ Analyzer

Dual channel vibration analyzer.

Introduction to the CSI 2130

  • Standard Equipment and Accessories.
  • Panels (front, top, side, bottom).

Shell Program Overview

  • The CSI 2130 Shell.
  • Analyze and Advanced Analyze.
  • Basic Setup (File Utility, Set Display Units, Communications Setup).

Communications and RBMcom.

  • Understanding RBMcom.
  • Downloading Routes with RBMcom.
  • Uploading Route Data with RBMcom.

Cables, Adapters and accessories.

Route.

  • What is a Route?
  • Using a Route.
  • Route Data Collection.
  • Add Notes.
  • Downloading Routes and Uploading Data.

Analyze

  • Using Analyze.
  • Manual Analyze.
  • Special Features.
  • Spectra.
  • Waveform.
  • Overall.
  • Third Octave.
  • True Zoom and Zoom Analysis.
  • Cascade.
  • Peak and Phase.
  • Filtered Orbit.
  • Cross Channel Phase.

        

Advanced Analyze Functions

  • Analyze Mode.
  • Impact testing.
  • Advanced Cross Channel Testing.
  • Two Channel Plot Setup
  • Applications and Insights Related to Impact Testing.

Practical case study

Day three

Dynamic balancing

  • The Balancing Machine As A Measuring Tool
  • Unbalance Mass Causes Free Centrifugal Force
  • Causes Of Unbalance
  • Understand how to measure runout on machinery rotors. To measure runout on machinery rotors.
  • Ascertain what types of machinery could be balance in-situ (i.e. in place) and what   types of machinery are better suited for balance correction in a shop balancing machine.
  • Centrifugal Force Increase With TheSquareOfSpeed
  • Unit Of Unbalance
  • Types Of Unbalance  
  • Effect Of Unbalance And Rotational Speed
  • Balancing Machines
  • Types Of Balancing Machines
  • Establishing A Purchase Specifications
  • Determining The Right Balancing Speed
  •   Direction Of Rotation
  •   Rigid Vs. Flexible Rotor
  •   Flexible Vs. Rigid Rotor
  •   Unbalance Correction Methods
  •   The Problem Of Balancing Machine In Operational Condition
  •   The Peculiarities Of The Field Balancing Machine
  •   The Main Sequence For Balancing Procedure
  •   Determine whether a rotor should be balanced in one plane or more than one plane.
  •   obtain information on current balance standards (ISO & ANSI), balance quality grades, and what balance grades are typically assigned to specific machine types
  •   Review acceptable vibration levels of various types of rotating machinery.
  •   Cover the preliminary checks that should be made prior to attempting a balance correction on a machinery rotor.
  •   Practical case study balancing of rotating machinery

Day Four:

Introduction to Vibration Signature Analysis And How To Diagnose Machine Operating Condition

  1. Eccentric Rotors
  2. Bent Shaft
  3. Misalignment
  4. Mechanical Looseness
  5. Tracking Of Rolling Element Bearings Failure Stage Using Vibration Signature Analysis
  6. Journal Bearings Failure
  7. Practical case study

 

 

Day five:

  1. Electrical problem
  2. Gear Problem Detection
  3. critical Problem Detection
  4. Belt Drive Problem
  5. Resonance Problem
  6. Hydraulic And Aerodynamic Forces Problem
  7. Rubbing
  8. Practical case study

Case studies & discussions, all the days of the course will be carried out.   the support tools four video movie about the principle of the I learn soft ware program and practical  training in original software for vibration measurements and analysis.

Note: The Course Manual will be as course outlines which will be used during the Course it will be available for all participants on CD.

Who Should Attend

  • This course is suitable for maintenance, reliability, process, control and instrumentation personnel who are willing to gain, improve and/or update their knowledge and skills of practical aspects of machinery vibration monitoring, analysis and predictive maintenance.

Duration

5 Days

Start Date End Date Country City

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