Flashcards
IGCSE Woods
Flashcards do conjunto (33)
- 1DESIGNWOODS
- 2TimberWood used in manufacturing of an attract
- 3HardwoodsNothing to do with how hard the wood is but hardwoods come from deciduous trees, trees that shed leaves in autumn
- 4SoftwoodsFrom coniferous trees, these have cones and needles that fall off them
- 5Examples of SoftwoodsUses
- 6Scots PineLow cost furniture, construction, joinery
- 7Parana PineBetter quality Furniture, Structural carpentry
- 8Yellow CedarFurniture, Veneer, Boats
- 9SpruceIndoor Furniture
- 10RedwoodWoodwork, Cupboards, Shelves, Roofs
- 11Examples of HardwoodsUses
- 12AshSports Equipment, Wooden Ladders, Tools
- 13BeechFurniture, Toys, Tool Handles
- 14ElmIndoor and Outdoor Furniture
- 15MahoganyGood Quality Furniture
- 16OakHigh Quality Furniture, Interior Woodwork
- 17ProcessesAnd What they do
- 183 Types of Plank Manufacture
- 19Kiln SeasoningThe process of airing and drying out timber before use by kiln
- 20Natural SeasoningThe process of airing and drying out timber before use by stacking the planks in warmer places
- 21Advantages of Kiln Seasoning- It is easier to control the conditions
- Much Quicker
- Can monitor stuff such as warping and length - 22Disadvantages of Kiln Seasoning- Consumes energy
- More Expensive
- Has a maximum capacity because of its size
- Can cause warping - 23Why do we season the timber- So it remains strong when used
- If not then it will change shape and properties as it dries out - 24How to keep seasoned timberShould be in a controlled environment (temperature, not damp, etc.) , where it is flat as for it not to warp
- 25Manufactured BoardsBoards that are man made from natural wood in specific ways
- 26BlockboardCentral Core of a softwood, bonded with adhesive with a sheet of plywood in each side and then veneer
- 27ChipboardSmall ships of wood bonded together with resin and compressed into sheets, often used for cheaper furniture
- 28HardboardPulped Wood Fibres that are pressurised till the fibres bond together producing a side that is rough and a side that is smooth
- 29MDFMade from fine wood dust and resin pressed into a board
- 30PlywoodMade from veneers of timber with the grain of each layer being at right angles and are bonded by resin and pressure
- 31Advantages of Manufactured Boards- Available in large size
- Have specific purposes and specific properties
- Often use any wasted timber
- Uniform with few imperfections
- Do not split
- Can be in finished formats - 32SteambendingVeneer are put in a steam chamber. Steam is introduced ate one end at it travels through heating it and as the steam cools it condenses back to water and drains away. After some time u take it out and it is malleable and have a change of properties
- 33LaminatingInvolves no heat but uses multiple thin layers of veneer and bonding them to each other over a former
Informações
- Descrição
- Outline of woods and notes on them
- Criado por
- Rohan Badman
- Visualizações
- 168
- Avaliação