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JSS2: BASIC TECHNOLOGY - 1ST TERM

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  1. Definition of First Aid | Week 1
    7 Topics
    |
    1 Quiz
  2. Rescue Operation | Week 2
    3 Topics
    |
    1 Quiz
  3. Materials & their Common Uses (Wood) | Week 3
    6 Topics
    |
    1 Quiz
  4. Materials & their Common Uses (Metal) | Week 4
    6 Topics
    |
    1 Quiz
  5. Uses of Common Alloys (Brass & Bronze) | Week 5 & 6
    7 Topics
    |
    1 Quiz
  6. Uses of Ceramics and Glass (Contd) | Week 7 & 8
    4 Topics
    |
    1 Quiz
  7. Uses of Plastics | Week 9
    4 Topics
    |
    1 Quiz
  8. Uses of Rubber | Week 10
    3 Topics
    |
    1 Quiz



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Topic Content:

  • Processing of Plastics

Some methods of production of plastic include:

  • Injection molding
  • Compression molding
  • Extrusion molding
  • Calendering

Injection Molding:

The most commonly used manufacturing process for the fabrication of plastic parts is injection molding. A wide variety of products are manufactured using injection molding. The injection molding process requires the use of raw plastic material, a mold, and an injection molding machine. The plastic is melted in the injection molding machine and then injected into the mold, where it cools and solidifies into the final part.

injectionMolding machine overview e1604757617475
Injection molding.

 

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