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PROJECT RESEARCH ON MOULD CONSTRUCTION

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  1.  BACKGROUND OF STUDY

PROJECT RESEARCH ON MOULD CONSTRUCTION – Mould is a container in which a soft liquid or substance is poured into of which it takes the shape of the container after solidification (Sally and Ashby 2004). A mould can also be defined as a hollowed-out block that is filled with a liquid or pliable material such as plastic or raw materials, the liquid sets inside the mould, adopting its shape (Wikipedia, 2017). A variety of techniques and materials are used in this process, sometimes based on the familiarity and personal experience of the person doing the work.

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The knowledge of materials that can give a good impression and their properties is of great significance for a mould maker to enable him know the technique and type of mould to produce. The mould materials are mainly classified as:

  1. Metals such as iron, steel, copper, aluminum, etc.
  2. Non-metals, such as silicone rubber, plastic, etc.

They are mainly obtained from natural resources from the surrounding environment. The best material is one which serves the desired objective at the minimum cost. Also the important properties, which determine the utility of the material, are physical, chemical and mechanical properties should also be considered.

 Various types of Mould include:

  1. Injection moulding
  2. Compression moulding
  3. Blow moulding
  4. Extrusion moulding
  5. Transfer moulding
  6. Sand casting

PURPOSE OF THE STUDY:

The aim of the study is to design and fabricate wax moulds with improved performance using locally sourced steel material. And the specific objectives include:

  1. For wax production.
  2. Reduce the rate at which wax is been imported
  3. To recycle and reuse dental base wax materials

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