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Nat 5 Design And Manufacture > Joining Methods > Flashcards

Joining Methods Flashcards

1
Q

What are alternative items to join wood together?

A

Nails
Screws
Glue
Knock down fittings

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2
Q

What are knock down fittings?

A

Temporary fittings that can be put together using simple tools. Often used in flat pack furniture

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3
Q

Why are nails used to join wood?

A
  • help strengthen weak joints
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4
Q

Why are screws used to join wood together?

A
  • efficient
  • help strengthen weak joints.
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5
Q

Why is glue used to join wood together?

A
  • to keep the structure together
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6
Q

What is a lap joint?

A
  • Where two pieces of wood meet together at 90 degrees.
  • strong joint
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7
Q

When would a T halving joint be used?

A

A T Halving joint would be used when one piece of wood meets another at 90 degrees, but not at a corner.

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8
Q

When would a corner rebate joint be used?

A

It may be used when two pieces of wood meet at 90 degrees at a corner.

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9
Q

In which instance might a cross halving joint be used?

A

A cross halving joint would be used when two pieces of wood cross each other at right angles.

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10
Q

When might you a stopped housing joint be used instead of a housing joint?

A

You would use a stopped housing joint when you do not want to see the joint on the front edge of your product.

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11
Q

Why would you use a mortise and tenon joint instead of a dowel joint?

A
  • A mortise and tenon joint is much stronger than a dowel joint as has a larger surface area to glue
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12
Q

What is a dovetail joint?

A
  • a very strong and looks good but complex and difficult to cut (jigs can be used to aid this process), often used in high-quality furniture
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13
Q

What is a butt joint?

A
  • A simple join where the edges of the timber are glued together
  • easy to make
  • weak
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14
Q

What is a housing joint?

A
  • a simple slot into one piece, usually cut by a router
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15
Q

What is a comb joint?

A
  • offers good contact for gluing and the pieces of the wood interlock providing strength
  • used in wooden boxes
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16
Q

What is a rivet?

A

A rivet is a mechanical fixing for joining two pieces of metal.

17
Q

Describe how nuts and bolts would be used to attach two pieces of metal together.

A

A hole would be drilled in each piece of metal.
The bolt would then be fed through the hole.
The nut would then be then tightened onto the bolt to hold the metal together.

18
Q

Suggest why might welding might not be used to joint metal.

A

It does not leave a neat finish when the weld metal is melted at at the joint of the two metal pieces.

19
Q

Describe how metal is soldered?

A

Metal is soldered by melting the solder and letting it flow between the two pieces of metal to leave a neat, strong joint.

20
Q

What is a self-tapping screw?

A

It is a screw that cuts its own thread as it is screwed into a pre drilled hole in metal.

21
Q

What is the purpose of a metal tap?

A

A tap cuts an internal thread in a pre-drilled hole in metal.

22
Q

What is the purpose or a metal die?

A

A die cuts an external thread on metal rod.

23
Q

What is epoxy resin?

A

Epoxy resin is a type of glue which has two elements, epoxy and hardener. When they are mixed together, they create a very strong joint.

24
Q

What is welding?

A

Where metal is melted at the joint to connect two pieces of metal together.

25
Q

State some examples of adhesives that can be used with plastic.

A

Epoxy resin
Super glue
Acrylic cement

26
Q

Describe the process of riveting when joining two pieces of plastic together.

A

A hole is drilled in the two pieces of plastic to be joined, one hole also being countersunk.
A rivet is then placed in the hole.
A hammer is then used to ‘flatten’ the rivet into the countersunk

27
Q

Which type of plastics can be welded?

A

Some types of thermoplastic can be welded.

28
Q

When are screws used in joining plastic?

A

Screws are mostly used to join plastic to other types of material such as wood or metal.

29
Q

Describe how nuts and bolts would be used to join plastic together?

A

A hole would be drilled in each piece of plastic to be joined.
The bolt would then be fed through the hole.
The nut would then be then tightened onto the bolt to hold the plastic pieces together.

Nat 5 Design And Manufacture (2 decks)

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