Unit 5B Flashcards
1
Q
Why are timber and board materials widely used in the workshop
A
- readily available
- can be cut and shaped using common tools and machines in the workshop
- can be formed and bent using jigs and mould
- can be joined using a variety of joints and fixings
2
Q
Common personal protective equipment required in the workshop when using different tools
A
- goggles
- hair tied back
- apron
3
Q
Stock forms, types and sizes
A
- timbers and components are commercially available
- planks, boards and standard mouldings
- sold by length, width, thickness, diameter
- using standard components such as wood screws, hinges, knock down fittings
4
Q
Standardisation
A
- timber comes in a range of standardised sizes
- initially standardised sizes were imperial
- the nearest metric sizes (millimetres) to the old standard imperial sizes are used now
5
Q
PAR
A
Different finishes- planned all round (PAR) and rough sawn
- if ordering PAR timber, standard size will b reduced
6
Q
Rough sawn used for
A
- rough sawn timber usually used for pieces such as internal frames where it will be concealed by a neat layer
- beams beneath flooring or in attics where it won’t be visible
- strength of wood is most important factor
7
Q
What are mouldings
A
- they are decorative timber components with a shaped profile
8
Q
Where in a house are mouldings used
A
- decorative trim pieces that surround doors and windows, run along tops and bottoms of walls
- they serve as a transition between building elements
9
Q
How are mouldings produced
A
- Involves shaping a liquid or malleable raw material by using a fixed frame, known as either a mould or matrix
- As the liquid cools and hardens inside the mould, the final configuration is achieved
- removal by release agent or ejection pins
10
Q
How are mouldings refinished
A
- Painted to an extremely high standard with a smooth satin white painted surface
- saves finishing and installation time
