EAL Level 3 QET3/029 Maintenance of mechanical systems 23-24

Week 13 - 16: LO 3 Understand bearing operations, types, materials and causes of failure

• Week 13 - 16: LO 3 Understand bearing operations, types, materials and causes of failure

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    29.3 Learning outcome: Understand bearing operations, types, materials and causes of failure
    

    Learning Objectives:

    • To identify the types and function of bearings
    • To recognise and discuss bearing materials
    • To examine the causes of bearing failure
    • To demonstrate the methods involved in mounting and removing bearings
    • To dismantle and reassemble a mechanical system that involves bearing removal, inspection and replacement

    
    

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    Useful Documents on Bearings:

    Below are some useful documents and videos that show bearing types, how to select bearings and how to also identify bearings.

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    Bearing Booklet File

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    Here is a useful booklet that contains information on the different types of bearings, installation, dismantling, bearing failure and other information.

    
    

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    SKF Bearing Manual File

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    Here is a useful booklet from the SKF manufacturing catalogue.

    
    

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    Here is a video of how to use bearing designation to select a new bearing to replace an old one. 

    
    

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    How to Identify a Bearing File

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    Here is a guide of how to identify a bearing if it needs to be replaced.

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    Bearing Identification Table File

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    Here is a PDF showing tables of how to identify bearing type, series code, bore size, shield/seal configuration and internal clearance.

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    An Example of how to Identify a Bearing File

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    Here is an example of how to identify a bearing.

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    Here is a video explaining the internal clearance on a rolling element type bearing.

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    Here is a video explaining how to m ount a tapered bore spherical bearing on an adapter sleeve.

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    Kahoot Quiz (Bearings)

    Please follow the instructions below to access Kahoot to complete a quiz on bearings.

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    Kahoot! for students URL

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    Access to Kahoot.it to enable students to play the online Kahoot! sessions. 

    THIS IS A GROUP SESSION, WAIT FOR THE LECTURER TO TELL YOU TO START.

    Nothing can happen until you have a 'pin' which should be displayed on the lecturer's PC.

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    Activity 1:

    Please watch videos 1, 2 and 3 and then complete the Different Types of Bearing Activity.

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    Different Types of Bearing File

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    Here is a word document showing some of the different types of bearing used in industry.

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    Bearing Basics File

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    Here is a PDF on the basics of the ball and roller bearing.

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    Video 1:

    Please watch the video on what a journal bearing is and how it works.

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    Video 2:

    Here is a video explaining the different types of rolling element bearings, stating their advantages and disadvantages and also their uses.

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    Video 3:

    Here is a video showing you an SKS Roller bearing type.

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    Different Types of Bearing Activity Assignment

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    Please watch videos 1, 2 and 3 and then complete the Different Types of Bearing Activity. Please upload when completed.

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    Activity 2:

    Please watch the video 4 & 5 on the thrust bearing and then video 6 on the linear bearing.

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    Video 4:

    Here is a video showing the removal, inspection and maintenance of a journal and thrust  bearing.

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    Video 5:

    Below is a video explaining the typical construction and uses of a plain bearing.

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    Video 6:

    A video explaining the maintenance of linear bearings.

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    Activity 3:

    Please watch video 7 on bearing failure and then look at the link to a webpage explaining causes of bearing failure then complete the Bearing Failure Activity. 

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    Video 7:

    A video showing bearing failure.

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    Here is a useful link to common types of bearing failure URL

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    Bearing Fault Chart File

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    Taken from the Koyo bearing company, a useful chart showing images of bearings and the reason they failed.

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    Bearings Failure Activity Assignment

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    Please watch video 7, look at the bearing failure link and then compete the Bearings Failure Activity. Please upload when completed.

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    Activity 4:

    Please watch the video on how to fit a bearing onto a shaft with an interference fit using an induction heater. When you have watched the video please complete the Induction Heater Activity  below.

    
    

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    Induction Heater Activity Assignment

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    Please can you complete the Induction Heater Activity below then upload when finished.

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    Activity 5:

    After watching all of the videos and reading through the content in this section, please complete the bearing  quiz and upload when completed.

    Good luck!
    

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    Bearings Quiz Assignment

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    Please carry out some research and using the videos above, complete the bearings quiz and upload here when completed.