Fixing methods and adhesives

Question 1

What is a veneer?

Answer 1

A thin layer of decorative wood or plastic used to cover a cheaper inferior material

Question 2

What are 5 examples of permanent fixings?

Answer 2

• Welding - Melting two pieces of metal together so they become one.
• Soldering- Melting metal between two pieces of metal to glue/bond them together
• Clinching- Join sheet metal with special ‘stamps’ which connect them together
• Riveting
• Brazing - Welding using brass metals which allows it to be done more safety at lower temperatures.

Question 3

What are 3 examples of semi-permanent fixings?

Answer 3

• Screws
• Nails
• Stables

Question 4

What are 5 examples of temporary fixings?

Answer 4

Nuts and bolts
Clips
Brackets
Sellotape
BlueTrack

Question 5

What are 4 ways of reinforcing materials?

Answer 5

Laminating - When an external layer is added to a product to improve physical and aesthetic qualities
Combining - Different materials are mixed to improve properties such as epoxy resins or carbon fibre
Jointing-
Folding

Question 6

What are 4 types of adhesives?

Answer 6

Epoxy Resin- Works on many different materials and gives a strong bond but can be toxic.

Super Glue- Very quick and strong bond but needs to be handled with care due to reactions with skin or certain materials

PVA wood glue - Provides a cost effective, safe and strong bond between woods once clamped together

Polyurethanes- Fast curing and robust bonding surfaces/ sheets. They are used in door seals and tank caps for a car.