Maintenance & Fittings of Bearings & Bearings Failure Analysis

At the completion of the course, participants will understand:

• Types of Bearings

• The functions of a bearing in rotating machines.

• The factors effecting the performance of rolling element bearings

• Bearing mounting and dismantling procedures

• Shaft alignment and how to correct for misalignment.

• Bearing Inspection methods

• Causes of bearing failure

• Identify the symptoms of bearing trouble and describe how to remedy each situation.

• Shaft alignment, compensation for misalignment.

• Root cause and Failure analysis

• Installation care and precaution

• Selection of lubricants.

• Replacement procedures

• Tools for servicing

Introduction to bearing Technology

• Introduction, Principals of friction

• Components, terminology, and types of rolling element bearings

• The bearing numbering system and significance of prefix and suffix characters

• Construction of Bearing, Components and their functions

• Material of construction

• Bearing design for misalignment compensation.

• Ball screw – for precision machines.

• Bearing life by design Causes of failure

• Why do bearing fail, Bearing failure stages

• Bearing defect frequencies, Displaying fault frequencies

• Types of wear, Major signals of Bearing failure Methods of Failure analysis

• Acceleration enveloping signal processing

• Standard acceleration and velocity measurement setup

• Failure prevention methods, Introduction to noise and vibration analysis

• Introduction to thermography, Ultrasonic level 1, level 2 Preventive , Predictive maintenance

• Purpose of maintenance, Scheduling of bearing maintenance

• Proactive reliability maintenance programs

• Comprehensive Bearing maintenance

• Improving reliability of Bearings in the system

• Bearing Maintenance and Service,Bearing reliability

• Failure prevention methods Corrective actions, Servicing and checks

• Misalignment,Thrust setting,Setting radial play

• Safety precautions that are essential for working

• Bearing Servicing procedure, Bearing check sheet

• Record / history of Bearing behavior Lubricant types, uses and selection criteria

• Role of lubricating media in machine

• Bearing Lubricating oil / grease selection

• Lubricating oil property, Quality and quantity of lubricant

• Use of additives in lubricant,Effect of lubrication on Bearing life

• Selection of Lubricant in extreme weather conditions Rotating Machines

• Bearing selection criteria for machine application

• Type of machine – Low speed, Medium speed, High speed

• Type of machine - Heavy non precision , Light Precision

• Slides and Spindle movements Installation

• General principles of plain-bearing installation

• Inspection of bearings before fitment

• Knowledge of tools and equipments

• Following manufacturer’s recommendations Monitoring Bearing performance

• Methods of checking soundness of bearing

• Bearing history records for future

• Performance monitoring procedure, Monitoring equipments Tools and service equipments

• Types of tools used for bearing fitment

• Procedure for bearing removal ,Types of tools used for bearing removal

• Types of bearing fitness tests and records for future