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Leightons study cards > Metal Work/Engineering > Flashcards

Metal Work/Engineering Flashcards

1
Q

Name the 3 taps in order

A

Tapper
2nd
Plug

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2
Q

What tool do you use to hold the taps?

A

Tap wrench

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3
Q

What do you use a tap for?

A

Internal threading

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4
Q

What do you use a die holder for?

A

external threading

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5
Q

Name the process for internal threading

A
  • still pilot hole
  • put the tap in tap wrench
  • cutting compound on the hole
  • turn clockwise to begin
  • go backwards every few turns
  • repeat the last few steps
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6
Q

Reasons why to slow down lathe and drill

A

The material
Size of the object
The process

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7
Q

Name the 4 types of rivets

A

Counter sink
Round head/snap head
Flat head
Pop rivet

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8
Q

Why is the taper tap used first in internal threading?

A

It is the thinnest and create space for the next taps

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9
Q

What can be done to ensure a good thread is produced?

A

Cutting compound
Tap is straight
Used in the laith

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10
Q

What is a blind hole?

A

A hole with a bottom or 1 entrance

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11
Q

What is a flat file used for?

A

To remove material off of metal

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12
Q

What is an engineer square used for?

A

To find 90* angle to then draw a straight line

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13
Q

What is marking blue used for?

A

To make marked out lines stand out more

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14
Q

What is a height gauge use for?

A

Used to measure the height of metal accurately

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15
Q

What is an odd leg caliper used for?

A

To mark straight lines parallel to the edges

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16
Q

What is a centre punch used for?

A

To dent metal so drilling is easier

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17
Q

What is a ball pin hammer used for?

A

To hit centre punches and round headed rivets

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18
Q

What are spring dividers used for?

A

To mark out arks and circles

19
Q

What is a pedestal/ pillar drill used for?

A

To creat a hole in metal

20
Q

What are tin snips, notchers and guillotines used for?

A

To cut into sheet metal

21
Q

Name the 4 vices

A

Hand vice
Machine vice
Engineer’s vice
Tool makers clamp

22
Q

Name the lathe tools

A 
Parting Tool
Round nose
RH knife 
LH knife
Revolving centre
Centre drill
Knurling Tool
Jacobs chuck
23
Q

What is a snap and rivet set?

A

This is the tool used when riveting to shape the rivet heads

24
Q

What is malleability?

A

This is the ability of a material to withstand being hammered, rolled or bent without the material breaking

25
Q

Name some pure metals

A 
Copper
Iron
Tin
Lead
Gold
Silver
26
Q

Name some alloys

A

Steel
Duralumin
Brass
Bronze

27
Q

Name some ferrous metal

A

Cast iron
Mild steel
High carbon steel

28
Q

Name some non-ferrous metals

A 
Aluminium 
Copper
Brass
Duralumin 
Lead
Tin
Zinc
29
Q

Name some forms of supply

A 
Round rod 
Sheet
Squares
Round tube
Flats
Square tube
Hexagonal bar
Rectangular tube
Octagonal bar
Angle
30
Q

What does iron + carbon make?

A

Steel

31
Q

What happens when you heat up metal and let it cool down slowly?

A

It becomes softer
More malleable
Recrystallisation/grains regrows

32
Q

What happens when you hit hot metal with a hammer?

A

Gets rid of dislocations and Removes unwanted carbon from the metal

33
Q

What happens when you cold work metal?

A

The grains in the metal fill the dislocations and get squeeze together. So it becomes thinner and harder

34
Q

Why would you anneal metal?

A

So hard brittle metal becomes more malleable, softer and the grains regrows

35
Q

How do you anneal metal?

A

Heat the metal up to a certain temperature and allow it to cool slowly

36
Q

Name 2 ways to cold work metal

A

With a hammer or rolling machine

37
Q

What is hot working?

A

When you heat up metal and bash it with a hammer to break up and remove carbon from it

38
Q

What is everything made of? Literally

A

Atoms

39
Q

What is a dislocation?

A

When there is a gap in the atom pattern/matrix

40
Q

What do you call the atom pattern?

A

Lattice or matrix

41
Q

What is a unit cell?

A

Atoms joined together to make a cube

42
Q

What do you call the area between grains?

A

Grain boundaries

43
Q

What is the chemical symbol for iron?

A

Fe

Leightons study cards (7 decks)

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