Compression Moulding (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How many main manufacturing processes are used in the plastics industry?
How many main manufacturing processes are used in the plastics industry?
Seven
Which type of plastic works particularly well with compression moulding?
Which type of plastic works particularly well with compression moulding?
Thermosetting plastics
What is the specific amount of polymer material placed in the mould called?
What is the specific amount of polymer material placed in the mould called?
The charge
What system is commonly used to force the mould halves together?
What system is commonly used to force the mould halves together?
Hydraulic systems
What helps push the completed part out of the mould?
What helps push the completed part out of the mould?
Ejector pins
Which mould half is movable during compression moulding?
Which mould half is movable during compression moulding?
The upper mould half
What happens to thermosetting materials during curing?
What happens to thermosetting materials during curing?
They undergo permanent chemical changes
What does the charge typically consist of?
What does the charge typically consist of?
Polymer billet
Which product is commonly made using compression moulding?
Which product is commonly made using compression moulding?
Wellington boots
What happens after the mould halves are forced together?
What happens after the mould halves are forced together?
The polymer material fills the cavity
Which industry relies heavily on compression moulding for tyre manufacturing?
Which industry relies heavily on compression moulding for tyre manufacturing?
Automotive industry
What quality does compression moulding produce in finished parts?
What quality does compression moulding produce in finished parts?
Excellent surface finish