Manufacturing with Plastics (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
What does calendering produce?
What does calendering produce?
Large, flat sheets
What is a billet in calendering?
What is a billet in calendering?
A lump or block of heated polymer
What is the key principle of calendering?
What is the key principle of calendering?
Progressive thinning
Besides solid billets, what form can polymer take in calendering?
Besides solid billets, what form can polymer take in calendering?
Granulated polymer
How are the rollers arranged in calendering?
How are the rollers arranged in calendering?
In sequence
What are the two options for final processing of the sheet?
What are the two options for final processing of the sheet?
Wound onto roll or cut on conveyor
What characteristic defines thermoplastics suitable for calendering?
What characteristic defines thermoplastics suitable for calendering?
Can be repeatedly heated and reshaped
Which materials are particularly suitable for calendering?
Which materials are particularly suitable for calendering?
Thermoplastics and rubber
Which of these is an application of calendered products?
Which of these is an application of calendered products?
Floor coverings
Why is calendering ideal for certain products?
Why is calendering ideal for certain products?
Consistent thickness across large areas
Why are the rollers heated in calendering?
Why are the rollers heated in calendering?
To maintain polymer flexibility
What requirement is critical for calendering equipment?
What requirement is critical for calendering equipment?
Precise calibration and maintenance