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GCSE Product Design > Manufacturing processes (timber) > Flashcards

Manufacturing processes (timber) Flashcards

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1
Q

Wastage (removal of material)

Sawing:

A 
Tenon saws: straight cuts
Coping saws: curved cuts
Fret saws: curved cuts
Band saws: straight + curved cuts
Circular saws: straight cuts in larger pieces of timber
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2
Q

Wastage

Drilling

A

Portable hand drill

Pillar drill

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3
Q

Wastage (turning)

A

Wood lathe - turns block of wood into profile

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4
Q

Additive

Adhesive

A

PVA glue can be used to permanently join timber

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5
Q

Additive

Wood joints

A

Increase contact area to make a stronger joint

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6
Q

Types of wood joint

A 
Butt joint
Mitre joint 
Housing joint 
Mortise and tenon joints 
Dowel joints 
Dovetail joints
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7
Q

Portable hand drill are

A

Less accurate

Relies on steadiness of hand

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8
Q

Pillar drill are

A

More accurate

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9
Q

Deforming and reforming (changing the shape) of timber

A

Steam Bending

  • heat in steam (makes timber pliable)
  • shape around former

Laminating
thin strips cut, glue applied and clamp and bending around former/jig

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10
Q

Large scale processes

A

CNC Routers
CNC Wood lathes
CNC laser cutters
CNC millers

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11
Q

Types of drill bits

A

Twist drill- drill hole
Countersink bits - to drill shape of screw head at top of hole
Holesaws - drill big holes

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12
Q

CNC wood lathes

A

If shape cylindrical then wood lathe was probably used Completely automated after set up

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13
Q

Finishes for timber

A 
Paint - paintbrush or roller 
Wood stain - dying it
Oil and wax 
Varnish- makes it shiny
Pressure-treated timber - do this to the timber before making a product, good for outdoor product
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14
Q

CNC routers

A

Used to make grooves and edge profiles
Very accurate
Automated
Suitable for multiple copies of same part
Nesting used to reduce waste (crams all the shapes need to be cut and makes use of all the space on the plank effectively)

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15
Q

Laser cutters (can be used for both large and small scale processes)

A

It’s a CAM machine
Designer creates design in CAD
CAD drawing used in computer to control movement of laser cutter

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16
Q

Processes of timber manufacture

A 
Felling of trees
Seasoning of timber 
Timber cut into planks
Marking
Wastage 
Sanding with adhesive paper
Additives
Deforming and reforming
Finishes
17
Q

Marking

A

Marking knife

Ruler

18
Q

CNC Miller

A

Large scale drill

19
Q

Band saw and circular saw machines

A 
For large timber parts 
To make multiple copies 
Large scale 
Band saw- Curved and straight cuts
Circular saw- straight cuts for large sheets

GCSE Product Design (21 decks)

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