Fastenings Flashcards

1
Q

Taps are used to cut what type of thread?

Caspar Tyser

A

Internal Threads.

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2
Q

A die is used to cut what type of thread?

Caspar Tyser

A

External Threads.

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3
Q

Is Riveting considered to be a permanent method of joining components?

Caspar Tyser

A

Yes it is.

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4
Q

Whilst threading what is the die held in?

Caspar Tyser

A

A die stock.

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5
Q

What method of fixing do Machine screws provide?

Caspar Tyser

A

A Temporary method of fixing, suitable for all kinds of material.

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6
Q

What are the different types of nail heads?

-Krystian S

A

Oval nail
Lost head nail
Flat head nail

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7
Q

What are the different arrangements that can be used for nailing into timber which avoid splitting?
-Krystian S

A

Staggered nailing

Dovetail nailing

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8
Q

What size is the clearance hole for a screw?

-Krystian S

A

The diameter at the shank of the screw

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9
Q

What size is the pilot hole for a screw?

-Krystian S

A

The diameter at the core of the screw

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10
Q

What are taps used for

-Krystian S

A

Cutting internal threads

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11
Q

What is dovetail nailing?

-Oscar Lawson

A

Nailing at an angle to prevent the nails from pulling out

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12
Q

What is a pozi-drive screw?

-Oscar Lawson

A

a cross head, or Phillips screw with extra cross shapes to prevent slipping whilst driving in the screw

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13
Q

What is a slotted screw?

-Oscar Lawson

A

A screw with one horizontal notch for a flat head screwdriver

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14
Q

What are the advantages of using a slotted screw?

-Oscar Lawson

A

It can generate more torque as pozi-drive screws are designed to ‘skip’ with high torque

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15
Q

What are the advantages of using a pozi-drive screw?

-Oscar Lawson

A

It self aligns so doesn’t slip and is easier to drive the screw in

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16
Q

What size are clearance holes?

  • Humphrey Marsh
A

The diameter as the shank of the screw

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17
Q

What size is a pilot hole?

  • Humphrey Marsh
A

The diameter of core of the screw

18
Q

What does a self tapping screw do to a material?

  • Humphrey Marsh
A

It cuts its own thread into the material.

19
Q

What do machine screws provide?

  • Humphrey Marsh
A

Temporary method of fixing suitable for all kinds of materials

20
Q

What are Taps used for?

  • Humphrey Marsh
A

To cut an internal thread

21
Q

What is the downside of Pop Rivets?

A

They are less strong than snap rivets

22
Q

What is the most common type of nail?

A

The flat head nail

23
Q

What is the definition of dovetail nailing?

A

Nailing two nails into a v formation to prevent joints pulling out

24
Q

Why is staggered nailing good?

-Ssnehnil G

A

To prevent splitting

25
Q

Which rivet type is suitable when there is only access to one side of the sheets?
-Ssnehnil G

A

A pop rivet

26
Q

What is a bifurcated rivet used for?

-Ssnehnil G

A

Soft materials

27
Q

What is dovetail nailing?

YanK

A

Nailing at an angle to prevent nails pulling out

28
Q

What is Staggered nailing?

YanK

A

Nailing out of line to prevent splitting

29
Q

What is the clearance hole?

YanK

A

Diameter as the shank of the screw

30
Q

What is the pilot hole?

YanK

A

Dimeter of core of the screw

31
Q

What does a self-tapping screw do?

YanK

A

Cuts its own thread into material

32
Q

What are washers used for?

Nathan P

A
  1. Distributing load from a nut, bolt, or screw head
  2. To lock in a nut and prevent it working loose
  3. To reduce friction between two surfaces
33
Q

What is used to create an internal thread?

Nathan P

A

Taps

34
Q

What is used to create an external thread?

Nathan P

A

Dies

35
Q

What is riveting?

Nathan P

A

A permanent method of joining components

36
Q

What do self tapping screws do?

Nathan P

A

Cuts its own thread into material

37
Q

What is the purpose of staggered nailing?

Torsai K

A

To nail out of line to prevent splitting

38
Q

What is dovetail nailing?

Torsai K

A

Nailing at an angle to prevent nails from pulling out

39
Q

What is the purpose of machine screws?

Torsai K

A

To provide a temporary method of fixing suitable for all kinds of material. They are defined by length, diameter, head profiles and thread.

40
Q

What are dies used for?

Torsai K

A

to cut an external thread. The die is held in a die stock.

41
Q

How are rivets defined?

Torsai K

A

By their material, diameter, length, and head profile. They are made from soft, easily deformable material.

42
Q

A pilot hole is usually ____ the diameter of the clearance hole
-OTC

A

A pilot hole is usually HALF the diameter of the clearance hole