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Revision > Dt > Flashcards

Dt Flashcards

1
Q

What is felling?

A

Tree is felled, cut into manageable length, normally in winter when tree has less water

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2
Q

What is debarking?

A

Remaining bark and branches cut off and logs created

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3
Q

What is conversion?

A

Logs cut into planks, this is now known as timber

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4
Q

What is seasoning?

A

Process of drying out the wood, air dry or kiln-drying

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5
Q

What are the differences between air and kiln-drying?

A

Kiln-drying- quicker, controlled environment
Air drying- seasoned naturally

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6
Q

What is rough sawn timber?

A

Timber that is untreated and cut into planks

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7
Q

What is planed all round(par)?

A

Process of using a plane to smooth both the edges and sides of a plank. Usually removing 2-3mm

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8
Q

What are hardwoods?

A

Wood that comes from deciduous trees, large fall leaves that fall in autumn, hardwoods take longer to grow, not easily sourced and expensive

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9
Q

Examples of hardwood?

A

Mahogany
Ash
Oak
Beech
Balsa

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10
Q

What is softwood?

A

Wood that comes from coniferous trees, pines or needles, evergreens, faster growing than hardwoods, cheaper to buy, considered a sustainable material

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11
Q

Examples of a softwood?

A

Pine
Spruce

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12
Q

What is manufactured board?

A

Usually made from timber waste and adhesive, to make them more aesthetically pleasing they are often veneered, cheap

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13
Q

Examples of maufaxtured board?

A

Plywood
Chipboard
MDF

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14
Q

Pros and cons of through and through cut?

A

Pro
Low cost
Little waste
Easy, board doesn’t have to be turned
Fast
Con-
Likely to cup when drying
No grain pattern
Less durable

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15
Q

What are the 6 Rs

A

Reduce
Refuse
Re-use
Repair
Recycle
Re-think

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16
Q

Examples of reinforced material?

A

Concrete
Carbon fibre
Kevlar

17
Q

What is a composite material?

A

Materials made of two or more constituent materials

18
Q

Examples of composite materials?

A

Plywood
Fibreglass

19
Q

What are all drill bits?

A

Hole saw
Frostner bit
Twist drill bit
Wood drill bit
Flat bit
Countersink bit

20
Q

What is wasting and abrading?

A

Wasting is the removal of material and abrading means to wear away by friction

21
Q

What tool would be used for wasting and abrading by hand?

A

Smoothing plane
Chisel
Surform
Rasp
File

22
Q

What are some standard woodworking components?

A

Wood screw
Wood nail
Wood tack
Dowel
Hinge
Block joints
Rigid joint
Cam fastener

23
Q

What are the stock forms?

A

Plank- piece of timber
Sheet- manufactured boards
Beading- thin mouldings
Dowel- circular section of timber
Cladding- any timber outside of building
Veneer-thin natural wood slice
Mouldings-specially shaped sections of wood

24
Q

What is drilling?

A

Bare holes drilled into earths crust to reach a pocket of a resource

25
Q

What is meant by social footprint?

A

Measure of the impact of a companies social policies have on society as a whole

26
Q

What do surface treatments and finishes do?

A

Applied to Timbers to Improve their appearance and enhance certain properties

27
Q

Different types of timbers and surface treatments

A

Acrylic paint
Wax
Oil
Varnish
Wood stain

28
Q

What is quality control?

A

Checking if a product is being produced correctly

29
Q

Step by step steam bending

A

Create steam box and leave wood in a box
Steam increases moisture content, thin strip more bendy
Once moisture content increased, now easily bendable
Bend wood into whatever shape you need
Pin wood in place and leave to dry

30
Q

Step by step lamination

A

Put thin piece of wood into hot water, let it soak, 1 hour per 25mm
Take pieces out
Glue two or more veneers together
Place in former while still wet then put into vice and squeeze
Leave until dry

31
Q
A

Revision (13 decks)

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