Section: Week 10-12: LO 5 Understand seals and sealing principles | EAL Level 3 QET3/029 Maintenance of mechanical systems 23-24 | Grŵp NPTC Group Moodle

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  • GENERAL COURSE INFORMATION

    Here you will find documents and information regarding the course overall.

    • QET3/029 Maintenance of Mechanical Systems

      This section contains useful information for the unit and covers six learning outcomes:

      LO 1 Understand the maintenance function

      LO 2 Understand lubricants and lubrication systems
      LO 3 Understand bearing operations, types, materials and causes of failure
      LO 4 Understand power transmissions, principles of operation and failure patterns
      LO 5 Understand seals and sealing principles
      LO 6 Understand and use dismantling and re-assembly techniques

      Please click on a book to read

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    • UPLOAD your project summary/ initial ideas here. It is important that you get some ideas down as soon as possible, fill in the summary sheet and upload it here before 22nd November. This is so we can address any problems together. 

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    • Staff and Contact Details

      Unit 029 will be delivered by Ian Griffiths
       
      Email is ian.griffiths@nptcgroup.ac.uk

      Teams Phone Number is 0330 818 8345

      Ian Griffiths will be contactable during 9am to 4:30pm Mon to Friday

Week 10-12: LO 5 Understand seals and sealing principles

  • Week 10-12: LO 5 Understand seals and sealing principles

    • seal

      29.5 Learning outcome: Understand seals and sealing principles

      Learning Objectives:

      • To demonstrate an understanding of the principles and identify the types of seals and gaskets
      • To dismantle, inspect and re-assemble a mechanical system that includes inspection and replacement of seals and gaskets


    • Activity 1:

      Please look through the PowerPoint on Seals and then watch Video 1 showing the different types of seals used in industry.
    • Here is a PowerPoint on Seals and Gaskets used within the engineering sector.
    • Video 1:

      Here is a video showing the different types of seal used in industry.
    • Activity 2:

      Please watch Video 2 that shows how to install packing glands into the stuffing box of a pump and then Video 3 showing you how to make a paper gasket for a flange on a pump.
    • Video 2:

      Here is a video showing how to correctly install new packing glands into a pump.
    • Video 3:

      Here is a video showing how to make a paper gasket to fit a flange on a pump.
    • Activity 3:

      Please watch Video 4 that explains what a the lip seal is and what it does.
    • Video 4:

      A video explaining the installation of a split lip seal ring.

    • Activity 4:

      Please watch Video 5 that looks at the Mechanical seal. After watching these please read through the PowerPoint that explains how to fit a mechanical seal.
    • Video 5:

      Here is a video showing the basics of a mechanical seal.
    • Here is a PowerPoint on Mechanical Seals used within the engineering sector.
    • Here is a PowerPoint on how to replace a mechanical seal on a 4” centrifugal effluent pump.

    • Activity 5:

      Please watch Video 6 that looks at the spiral wound gasket used primarily for flanges and then Video 7 that focuses at the different seals used in engineering, including the labyrinth seal.
    • Video 6:

      Here is a video showing the make up of a spiral wound gasket and how it is made.
    • Video 7:

      Here is a video showing the different types of seal used in industry including  how the labyrinth seal works.
    • Please use the resources available in this section to complete the seals activity to the best of your ability then upload here.

    • Extra Useful Information on Seals

    • Here is a word document explaining how to identify and measure Oil Seals.
    • Here is a link to information about the make up, advantages and applications of felt seals.
    • Here is an interesting case study from a manufacturing company that produces seals.
    • Here are notes from United Seal & Rubber Co. INC on how to design and produce a high performance gasket or seal.
    • Here is a link to show the different types of gasket used in industry