Chapter 28 — Working with Timber Based Materials

What are the factors that need to be considered when choosing what timber-based material is best for a certain product? (12)

Why do most wood-based materials come in a range of standard shapes and sizes?

What are the standard measurements for planks?

What are the standard measurements for rods and dowels?

What are mouldings?

What are two forms of moulding found in houses?

What are mouldings usually made of?

What are dowel rods?

How are mouldings and dowels machined?

How do you fix two pieces of wood together?

When connecting two pieces of timber together why is it best to select a screw that has a shank?

Label this image:

• A — Countersunk hole

• B — Clearance (shank) hole

• C — Pilot hole

• D — Threads

• E — Shank

• F — Drive slot

Describe the process of drilling a hole in timber.

Why is it good practice to drill a pilot hole?

What are nails and pins?

What are the ways that nails and pins can be inserted?

What are nails and pins generally used for?

What makes pins different from nails?

Why is ‘dovetail’ nailing used?

What are the characteristics of a round wire nail?

What are the characteristics of a panel pin?

What are the characteristics of a clout nail?

What are the characteristics of an oval wire nail?

What are the characteristics of a tack?

What are the characteristics of a lost head nail?

What are knock-down fittings (KDF)?

What are two benefits of knock-down fittings (KDF)?

What are some types of knock-down fittings (KDF)?

What are hinges used for?

What material are hinges commonly made from?

Why do hinges need to be carefully aligned?

What is meant by rebating or recessing a hinge?

How can steel hinges be modified to protect them from rust?

What are the characteristics of a butt hinge?

What are the characteristics of a flush hinge?

What are the characteristics of a butterfly hinge?

What are the characteristics of a piano hinge?

What are the characteristics of a concealed hinge?

What are the characteristics of a tee hinge?

What do tools enable you to do? (5)

What needs to be considered when drilling a hole into a piece of wood? (3)

When drilling a hole into a piece of wood, why is it important to select the correct type of drill bit?

When drilling a hole into a piece of wood, why is it important to consider the speed of the drill?

When drilling a hole into a piece of wood, why is it important to consider the depth of the cut?

What is a pillar drill good for?

What is a cordless drill good for?

What are the characteristics of a wood drill bit?

What are the characteristics of a twist drill bit?

What are the characteristics of a countersink bit?

What are the characteristics of a hole saw?

What are the characteristics of a flat bit?

What are the characteristics of a forstner bit?

What is the most essential piece of PPE to be worn when using a drill?

What are saws used for?

What are three common types of hand saw used for cutting straight lines in wood?

What is a tenon saw used for?

What are rip and cross-cuts saws used for?

What is a coping saw used for?

What can a band saw be used for?

What is a scroll saw used for?

What are two types of wasting tools?

What are the characteristics of a smoothing plane?

What are the characteristics of a chisel?

What are two types of abrading tools?

What are the characteristics of a rasp?

What are the characteristics of a surform?

Why is wood sanded?

What is a disc or belt sander best used for?

What do you hand sand with?

What PPE would be appropriate to use when mechanically sanding?

When sanding a rough piece of timber to a smooth finish, would you start with a high number of grit and work lower, or a low number grit and work higher? Why?

What are wood lathes used for?

• When using a wood lathe, the _____ of the material being turned is important.

• The ________ needs to be reduced as the ____________ of the object being turned gets __________.

What are common chisels used when turning wood? (3)

What does laminating involve?

• Laminating can be done with thick materials.

  • What can this be used to do?

What happens if thinner materials are used for laminating?

Describe the process of laminating.

Why is flexi-ply often used for lamination?

What must you check before releasing the shaped laminate from the former?

How can you bend wood into ornate shapes and curves?.

Why will a thin branch on a young tree bend without snapping?

Which two types of wood can’t bend very well?

Bending:

• The thinner the wood being bent, the _______ the radius that can be achieved.

Explain the process of bending

What can wood joints be used for?

Why is it better to have wood joints that are a tight fit rather than loose and require filling?

What are the characteristics of a butt joint?

What are the characteristics of a dowelled joint?

What are the characteristics of a mitre joint?

What are the characteristics of a housing joint?

What are the characteristics of a mortise and tenon joint?

What type of joint would best suit a shelf? Why?

What type of joint would best suit an architrave around a door frame? Why?

What type of joint would best suit a raised vegetable bed made from railway sleepers? Why?