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Resistant Materials > Tools and Processes > Flashcards

Tools and Processes Flashcards

1
Q

Name a saw for wood, plastics and for cutting curves

A
  • Tenon saw
  • hacksaw
  • Coping saw - curves in woods and plastics
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2
Q

What is a bench plane

A

Angled blade that shaved off thin layers to shape

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3
Q

What can you use to make a pilot hole (planning)

A

A bradawl or centre punch for metals

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4
Q

Name the three types of drill

A

A brace, hand drill or power drill

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5
Q

What drill bit is used to make flat bottomed holes

A

Flat bit

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6
Q

What is a stationary saw called

A

A saw bench or circular saw

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7
Q

What is the small saw in skl called

A

The band saw

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8
Q

What do u use in school to drill holes?

A

Pillar drill

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9
Q

What do u use to turn and cut wood ect

A

A lathe. Engineers’ lathe is for metal

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10
Q

What is used to reduce the thickness of a material

A

A planner or thicknesser

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11
Q

What is the sander in school called

A

Disc sander

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12
Q

What is used to remove metal and has a wheel

A

A bench grinder

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13
Q

What is used to remove layers at a time and is v accurate

A

A milling machine

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14
Q

What can be used to bend metal

A

A hug or former, or heat

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15
Q

What is laminating

A

Glueing strips of wood together then putting them in a jig

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16
Q

What can be used to fold plastics

A

A line Bender of strip heater

17
Q

What is press moulding

A

Slug of thermosetting plastic powder put into female mould. Former pushed into it. Very high temperatures and pressures liquefy the powder turning it into a permanent shape

18
Q

What is strength?

A

The ability to withstand forces without breaking

19
Q

What is hardness

A

Ability to withstand scratches, denting ect

20
Q

What is plasticity

A

Can change shape permanently

21
Q

What is brittle

A

Can withstand stretching. If brittle will crack like glass rather than change shape

22
Q

What is toughness

A

If tough, a material can absorb impacts without breaking.

23
Q

What are ferrous metals

A

Metals containing iron, are magnetic but can rust.

24
Q

Name some types of ferrous metals 4

A

Milf steel, medium carbon steel, high carbon steel and cast iron

25
Q

What are non ferrous metals

A

Metals containing iron. Non magnetic and don’t rust

26
Q

Name some non ferrous metals 4

A

Aluminium, copper, gold silver and platinum and zinc

27
Q

Name some properties of aluminium 4

A
  • Malleable and ductile
  • very conductive of heat and electricity
  • light
  • fully recyclable
28
Q

Name the properties of stainless steel 4

A
  • 80% steel 20% nickel
  • tough
  • wear resistant
  • corrosion resistant
29
Q

How do u paint a metal using plastic coating

A

Metal is heated evenly then plunged into fluidised powder. Then put back into oven and it fuses together

30
Q

What is brass made from?

A

Copper and zinc

31
Q

What plastic is Lego made off and explain its properties

A

ABS - hard, unbreakable

- injection mounded

32
Q

What plastic is a plastic bottle made off and explain its properties

A

PET- clear, can be used thin, used for disposable products

Sounds cheap however and it blow moulded

33
Q

What plastic are car lights made off and explain its properties

A

Acrylic - clearer than glass, loads of colours, shattering proof

However scratches easily and is injection moulded

34
Q

What plastic would a sandwich box be made off and explain its properties

A

Polypropylene - tough, flexible and bendable.

However isn’t clear and it injection moulded

35
Q

What plastic would cheap toys bemade off and explain its properties

A

HIPS - cheap ABS

36
Q

What plastic would a cheap cup and plastic bag be made off and explain its properties

A

Expanded polystyrene

LDPE

37
Q

Name 3 thermosetting plastics

A

Urea Formaldehyde
Melamine Formaldehyde
Polyester resin

38
Q

What are plastics made off

A

Mostly crude oil(plants)

Resistant Materials (2 decks)

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