Lamination

Question 1

Why is the lay-up process unlike other moulding methods?

• CT

Answer 1

As it is very manual and requires great skill.

Question 2

Why do we laminate papers and cards?

• CT

Answer 2

It is done to protect the product, prolong it’s life or to improve its aesthetic features.

Question 3

What is needed to create accurate shapes in the laminating timber process?

• CT

Answer 3

A large amount of pressure as well as highly accurate moulds.

Question 4

In the lay-up process, what is the mould prepared with?

• CT

Answer 4

A high quality surface finish.

Question 5

What does ‘GRP’ stand for?

• CT

Answer 5

Glass reinforced polyester.

Question 6

What is the main downside to laminating card etc. ? -F.W.

Answer 6

It greatly increases the cost.

Question 7

What is a requirement of the timber used in bending timber? -F.W.

Answer 7

It has to be comprised of thin sheets.

Question 8

What is the equivalent of laminating, but for composites? -F.W.

Answer 8

Laying up.

Question 9

Which notable timber glue cannot the used for vacuum bag lamination? -F.W.

Answer 9

PVA.

Question 10

What is the name of the “Mould” used in vacuum bag lamination? -F.W.

Answer 10

A former.

Question 11

Crucial part of the first step on lay up?

- HA

Answer 11

No surface imperfections

Question 12

What is different about the laying up process over other moulding processes?
- HA

Answer 12

Very manual and therefore requires great skill

Question 13

Name three notorious composites

- HA

Answer 13

Fibreglass, Kevlar and carbon fibre

Question 14

Result from bag press moulding?

- HA

Answer 14

A bend as good as the mould, more uniform structure

Question 15

Why is a large amount of pressure needed in Laminating?

- HA

Answer 15

To create accurate shapes, along with highly accurate moulds

Question 16

Is clamping or a bag press better for creating a high quality laminated products?
-EW

Answer 16

A bag press as the pressure is even across the surface of the product and the glue will cure evenly

Question 17

Why do the car industry favour carbon fibre use in cars?

-EW

Answer 17

It has a very high strength to weight ratio. It is incredibly rigid when set/cured for its very small weight.

Question 18

How is colour added to a laminate composite if desired?

-EW

Answer 18

A gel coat layer can be applied and can be mixed with a very small amount of pigment to give colour.

Question 19

Why is are composite laminates so expensive?

-EW

Answer 19

The man hours required to make them are huge, and it is a highly skilled job too.

Question 20

Plywood is a composite. True or False?

-EW

Answer 20

False it is commonly considered a composite which is wrong.