Vacuum Forming (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What type of material is shaped using vacuum forming?
What type of material is shaped using vacuum forming?
Thermoplastic
What actually forces the plastic against the mould in vacuum forming?
What actually forces the plastic against the mould in vacuum forming?
Atmospheric pressure
Why must thermoplastic be pre-heated before vacuum forming?
Why must thermoplastic be pre-heated before vacuum forming?
To make it flexible
What can happen if the thermoplastic is overheated during vacuum forming?
What can happen if the thermoplastic is overheated during vacuum forming?
It can tear or burn
How is the heated plastic sheet secured over the mould?
How is the heated plastic sheet secured over the mould?
Using a clamp system
What feature allows air to be removed from beneath the plastic sheet?
What feature allows air to be removed from beneath the plastic sheet?
Small holes in the mould
What is applied to the mould to prevent the plastic from sticking?
What is applied to the mould to prevent the plastic from sticking?
Talc or powder
Which product is commonly made using vacuum forming?
Which product is commonly made using vacuum forming?
Bathtubs
What is a vacuum in the context of vacuum forming?
What is a vacuum in the context of vacuum forming?
Space with reduced air pressure
What removes air from between the plastic sheet and mould?
What removes air from between the plastic sheet and mould?
A vacuum pump
For what production scale is vacuum forming particularly cost-effective?
For what production scale is vacuum forming particularly cost-effective?
Medium to large-scale