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DT Morris > Woods > Flashcards

Woods Flashcards

1
Q

Wood is strong towards or against the grain?

A

Towards

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2
Q

SEASONING
why is a kiln used?

A

•Removes excess moisture
•prevents warping, cracks, dis forming
•immunity to decay

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3
Q

SEASONING
Air seasoning process

A

•Wood stacked outside in shelter to protect from rain and air circulates
-slow, cheap
-outdoor products

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4
Q

SEASONING
Kiln seasoning process

A

•wood stacked on trolleys, steamed (hot then dry?)
-quick (few weeks)

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5
Q

STOCKFORMS
6 stockforms

A
  1. Rough sawn
  2. Planed square edge (PSE)
  3. Planed all around (PAR)
  4. Natural wood
  5. Manufactured boards
  6. Mouldings
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6
Q

STOCKFORMS
1. Rough sawn

A

•direct from seasoning
-rough
-nominal size

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7
Q

STOCKFORMS
2. Planed square edge (PSE)

A

•one side planed, rest rough sawn
-planing removes est 3mm from nominal size

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8
Q

STOCKFORMS
3. Planed all around (PAR)

A

•planed on all size
-planing removes est 3mm from nominal size each side
•most expecting stock form

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9
Q

STOCKFORMS
4. Natural wood

A

•Not cut into planks

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10
Q

STOCKFORMS
5. Manufactured boards

A

•man made
•large
-often 1220mm x 2440mm

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11
Q

STOCKFORMS
Mouldings

A

Pre - made mouldings eg skirting boards
•approx 4metres

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12
Q

HARDWOOD
(6)

A
  1. Oak
  2. Ash
  3. Mahogany
  4. Teak
  5. Birch
  6. Beech
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13
Q

HARDWOOD
1. Oak

A

Properties - hard, tough, attractive grain, weather resistance, can corrode steel screws (acidic)

Uses - furniture, flooring, boat, interior and exterior

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14
Q

HARDWOOD
2. Ash

A

Properties - tough, attractive open grain (increases flexibility)

Uses - tool handles, ladders

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15
Q

HARDWOOD
3. Mahogany

A

Properties - interlocking grain (not straight) so harder to work with
-red

Uses - indoor furniture, cabinets

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16
Q

HARDWOOD
4. Teak

A

Properties - straight grain, hard, tough, oils resist moisture

Uses - outdoor furniture, boat decks

17
Q

HARDWOOD
5. Birch

A

Properties - hard, closed grain, resist warping

Uses - furniture, indoor panelling, tools

18
Q

HARDWOOD
6. Beech

A

Properties - tough, close grained, hard
- steamed white
- unsteamed pink tinge

Uses - chairs, chopping board, turned bowls

19
Q

HARDWOOD
Properties of hardwood
4

A

•dense, strong, harder to work with
•expensive
•grows slowly
•deciduous - lose leaves in winter

20
Q

SOFTWOOD
Properties of softwood
4

A

•less dense, lightweight, easier to work with
•less expensive
•grow quick
•coniferous - ever green

21
Q

SOFTWOOD
4

A
  1. Pine
  2. Spruce
  3. Douglas fir
  4. Larch
  5. Cedar
22
Q

SOFTWOOD
1. Pine

A

Properties - straight grain, knots

Uses - construction, beams

23
Q

SOFTWOOD
2. Spruce

A

Properties - straight grain, no splitting

Uses - indoor furniture

24
Q

SOFTWOOD
3. Douglas fir

A

Properties - wavy/straight grain, good corrosion resistance

Uses - construction work

25
SOFTWOODS 4. Larch
Properties - hard, tough, attractive grain Uses - garden furniture and fencing
26
SOFTWOODS 5. Cedar
Properties - straight grain, sound dampening, insect resistance Uses - exterior sheds, interior cladding
27
MANUFACTURED BOARDS 6
1. Plywood 2. Marine plywood 3. Aeroply 4. Flexible plywood 5. Chipboard 6. MDF
28
MANUFACTURED BOARDS 1. Plywood
Properties - thin layers of wood stacked and glued 90°. No grain weakness Uses - school desks
29
MANUFACTURED BOARDS 2. Marine Plywood
Properties - plywood but no gaps using glue WBP. High moisture resistance Uses - boat dashboards
30
MANUFACTURED BOARDS 3. Aeroply
Properties - expensive woods like birch and timber. Lightweight and bendable Uses - laser cut projects, laminated furniture
31
MANUFACTURED BOARDS 4. Flexible plywood
Properties - open grained timber allows for flexibility. Bent and glued around former to remain shape Uses - curved panels, laminated furniture
32
MANUFACTURED BOARD 5. chipboard
Properties - wood chips compressed with resin Uses - veneered for flat pack
33
MANUFACTURER BOARD 6. MDF
Properties - compressed wood fibres with resin Uses - flat pack furniture
34
Veneers
Properties - thin slices of wood Uses - aesthetic covers for manufactured boards
35
MF laminates
Properties - a veneer but polymer. Chemical resistant Uses - kitchen worktops

DT Morris (12 decks)

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