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This is the final – no more

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Presentation on theme: "This is the final – no more"— Presentation transcript:

1 This is the final – no more
Revision is fun

2 We start at the beginning
Remember what you need to know Describe the aesthetic, functional and mechanical properties of ..... You will need to answer questions where you apply the knowledge

3 Wood aesthetic, functional and mechanical properties of Oak, mahogany, beech, ash and pine Which one is the softwood and which are the hardwoods This table needs to be learnt off by heart to gain the points

4 Learn this Wood and type Properties Uses Advantages Disadvantaged
Oak (H) Hard, tough, durable, high density High-quality furniture Garden benches, boat building, veneers Finishes well Contains an acid which corrodes steel Mahogany (h) Durable Medium density Indoor stuff, window frames, veneers Finishes well, relatively easty to work Prone to warping, bit soft Beech Hard Tough Workshop benches, children’s toys, interior stuff Turns well, finished well Prone to warping Ash Tough, flexible, good elasticity Sports equipment, ladders, furniture, tool handles Flexible Can become a bit splintered Pine Lightweight Constructional woodwork, floorboards, children toys Nice colour and grain pattern, grows quickly Knots can fall out and leave holes

5 Interesting things to think about
Wood is an organic materials as so will decay, in wetter conditions decay is quicker. Varies widely by colour Subject to movement - Warping, bowing, cupping and splitting – make them unusable Knots make weakness but can be aesthetics Contain more fibrous materials. Fibres are smaller and more compact and give it greater mechanical strength. Softwoods can have lots of resins so icky. Pale yellow and also prone to bowing etc Generally less dense than hardwoods, more prone to water damage as end grain soaks up water if not covered.

6 For A to A* Draw the product as if you had broken it apart and laid the bits on the floor. I want to know everything about this product Depth of detail is required Justify everything you say Every material and every component

7 Question time Give three properties of oak (3 points)
The hardwood sill is made from mahogany. Explain two advantages of using mahogany rather than pine a softwood for the sill (4 marks)

8 Exam technique Give and explain – what is the difference – what do you have to do? Give can be one word Explain mean exactly that – give a real answer with explanation

9 Answer this – 7 mins go. Give three properties of oak (3 points)
The hardwood sill is made from mahogany. Explain two advantages of using mahogany rather than pine a softwood for the sill (4 marks)

10 Manufactured boards They are man-made and therefore controlled
Large sheets (2440 x 1220) – make large furniture rather than joining bits together. Dimensional stable – does not warp or cup Can be decorated - veneer or painted Can be flexible and easy to bend over formers and laminates Waste from wood production can be used in making MDF


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