Technology DT4

• Labelled in MM
• Drawn with pencil and ruler
• Shaded and coloured
• Use parallel lines

• Mandatory- blue
• Precaution - red
• DO NOT- yellow and black

Used for cutting shapes too intricate to cut with a coping saw. Materials used (e.g.) acrylic, wood

Used for smoothing rough edges on wood

Used for drilling precise holes in a range of materials.

Used to draw straight lines or to draw an accurate 90° right angle

Used in metalworking or woodworking to mark out lines for purposes like accurate cutting.

• It is a machine with a strip of wire that heats materials like acrylic so that they become malleable without becoming warped or start to bubble.

Used for nailing in panel pins precisely.

Used, when rubbed hard against the material, to wear away rough surfaces.

This welds thermoplastic sheets or pipes together by softening the surface of the material being bonded

Used to stiffly secure panels of wood together by gluing them

Uses SOLDER (an alloy of tin and lead) and melts this onto a PCB to secure electrical components to it.

These strips the plastic tubing off an electrical wire so that the joining of the component to the PCB is more efficient and easy.

Used mainly for cutting wire

Thermosetting plastics and thermoplastics

• Can be reshaped by heat
• Used for rulers, aerosol tops, wrappers etc
• Colourful

• Can chip or crack when dropped
• Can't be reshaped
• Generally strong and heat resistant

Oil, air, water and salt are combined and processed to create powders, resins and granules.

• Paperweights
• make GRP
• Boat hulls

• Glues
• waterproof wood glues

• Record deck lids
• Shop signs
• Baths
• Jewellery

• Disposable cups
• cosmetic bottles
• tv cabinets

They are heated on the hot wire strip heater until they become soft, pliable and malleable and then they can be shaped in different ways into different shaped. They can be folded, bent using equipment like a former or a jig.

A metal that contains iron

A metal that doesn't contain iron

• Tough
• Ferrous
• High tensile strength
• Can be hardened
• Rusts easily
• Used commonly in schools, car bodies, nuts and bolts

• Ductile
• Non- ferrous
• Can be beaten into shape
• Conductor of electricity and heat
• Used for electrical wiring, pipes, kettles and bowls.

• harder than softwood
• Trees loose their leaves
• OAK, ELM, BEECH.