Natural and manufactuerd timbers and other stuff Flashcards
What is chipboard ?
- A man made sheet material made from small chips of wood that are bonded together
- Manufactured board
What occurs when wood shrinks and becomes dry
It splits
What type of adhesive joins wood to wood ?
PVA- (Polyvinyl acetate)
What is a prototype ?
A prototype is a single product made as a one-off or a model
Diffrent types of Softwood’s
Pine
Larch
Spruce
What is Softwood ?
- Softwoods come from coniferous trees
- faster growing than hardwoods
- cheaper
Pine
Pine is a softwood and does not drop leaves
What is a mitre square used for ?
Is used for manking angels 90 degrees such as the corners of a picture frame
What manufactured board is glued at a 90 degree angle ?
Plywood
What type of metal do you need to make wire ?
Ductile metal as it can strech
Which natural fibre grows in bolls ?
Cotton
What is Hardwood ?
- comes from deciduous trees
- large flat leaves that fall in autumn
- longer to grow than softwood
- more expensive
Diffrent types of Hardwood ?
- ash
- beech
- mahogany
- oak
- balsa
What is timber ?
- comes from trees
- the trees need to grow until 25-100 years before they can be cut down to make wood
Diffrent types of Manufactured boards
- medium-density fibreboard
- chipboard
- plywood