SYSTEMS PREPARATION QUESTIONS 2007 - 10
V. Ryan © 2007 - 2009
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The toy train shown below has been manufactured using a plastic called HDPE High Density Polyethylene. The coupling rod is of great importance as it is linked to both of the main wheels. |
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The manufacturing process is called injection moulding. In the space below draw a labelled sketch showing this process. Add explanatory notes. |
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1. Granules of plastic powder (note the plastics listed
above) are poured or fed into a hopper which stores it until it is needed.
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