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IB Design Technology > Topic 4.3-4.6 > Flashcards

Topic 4.3-4.6 Flashcards

1
Q

Scales of Production

A

One-off, Batch, Continuous Flow, Mass Customization

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2
Q

One-off/Job Production

A

An individual (often craft-produced) article or a prototype for larger-scale production.

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3
Q

Batch Production

A

Limited production (set no. of units to be produced) used to produce any product in batches.

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4
Q

Mass Production

A

Production of large amounts of standardized products on production lines

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5
Q

Continuous Flow Production

A

Used to manufacture standardized products without interruption.

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6
Q

Mass Customization

A

A CIM system that manufactures products to individual customer needs or wants

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7
Q

CIM

A

Computer Integrated Manufacturing

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8
Q

CAD

A

Computer Aided Design

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9
Q

CAM

A

Computer Aided Manufacturing

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10
Q

DfM

A

Designers design specifically for optimum use of existing manufacturing capability

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11
Q

Production Systems

A

Craft, mechanized, automated

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12
Q

Craft Production

A

A small-scale production process centred on manual skills (one-off/job)

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13
Q

Mechanized production

A

A volume production process involving machines controlled by humans (batch, mass, flow)

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14
Q

Automated Production

A

A volume production process involving machines controlled by production computers (batch, mass, flow)

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15
Q

Additive technique

A

Add material to create a product/component.

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16
Q

Paper-based rapid prototyping

A

Takes a drawing from the computer and prints it out into a 3D physical object made out of paper

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17
Q

Selective Laser Sintering (SLS)

A

Additive technique- uses a laser as the power source to sinter powdered material, aiming the laser automatically at points in space to bind the material together.

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18
Q

Laminated Object manufacture (LOM)

A

Additive technique- creates a 3D product by converting it into slices, cutting the slices out and joining/gluing the slices together

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19
Q

Stereolithography

A

Additive technique- creates 3D models layer-by-layer by hardening molecules of a liquid polymer using a laser beam

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20
Q

Fused Deposition Modelling (FDM)

A

Additive technique- builds parts layer-by-layer by selectively depositing melted material in a predetermined path

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21
Q

Subtractive/Wasting techniques

A

Techniques that cut away material to create a product/component

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22
Q

Cutting

A

Material is reduced to the desired shape by cutting away material

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23
Q

Machining

A

Removal of material by a tool fitted to a machine. The tool/machine spins and removes waste material

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24
Q

Turning

A

Material is held between 2 centers and the tool moves longitudinally across it, removing material

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25
Miling
Material is held firm in a vice on a movable bed and a rotating cutting tool sweeps along the path on the surface of the material
26
Drilling
Boring a hole into a piece of material
27
Abrading
Wearing away material using abrasive material (sand paper)
28
Moulding
Shaping techn.- Heat a material until it is a liquid or pliable state, then placing into a mould
29
Injection moulding
Producing products by injecting plastic into a mould
30
Blow moulding
Process of inflating a hot and hollow thermoplastic tube inside a closed mould.
31
Rotational moulding
Heated hollow mould is rotated during the heating up of the plastic and cooling
32
Compression moulding
Material is heated and placed into an open mould that closes and compresses the material to the shape of the mould cavity
33
Thermoforming
Shaping techn.- where a plastic sheet is heated until it is pliable. Then it is placed into a mould to form a shape. (Vacuum forming is common)
34
Laminating
Shaping techn.- sheets of thin veneer are layed with a polymer glue in-between
35
Casting
Shaping techn.- pouring a molten metal into a mould. Then the mould is broken.
36
Knitting
Shaping techn.- loops of yarn are formed and stitched together.
37
Weaving
Shaping techn.- interlacing 2 sets of yarn (warp and weft) perpendicularly
38
Adhering or Gluing
Permanent joining techn.- the use of adhesives
39
Adhesives
Research and write
40
Fusing (incl. of welding and brazing)
Permanent joining techn.- similar materials are melted at high temperatures and adding a small amount of a similar material
41
Fasteners (permanent)
Nails and rivets
42
Fasteners (temporary)
nuts and bolts, screws, keys, studs, pins, rings, velcro
43
Adhering (temporary)
joining techn.- thermoplastic glue used to hold materials together
44
CNC = Computer Numerical Control
The computer control of machines for the manufacturing computer parts in metals and other materials.
45
In CNC, machines are controlled by ______.
G code
46
Assembly line production
A volume production process where components are moved continuously along a conveyor. The components are added until the final product is assembled.
47
Mass production via a flow line is based on ? (4 things)
interchangeability of parts, pre-processing of materials, standardisation and work division
48
5 aspects of DfM are ?
materials, process, assembly, disassembly, adapting designs for DfM
49
Design for materials
Designing in relation to materials during processing
50
Design for process
Designing to enable the product to be manufactured using a specific process/technique
51
Design for assembly
Designing considering assembly at various levels (components and sub-assemblies)
52
Design for disassembly
Designing a product so that when it becomes obsolete it can easily and economically be taken apart
53
Adapting designs for DfM
Using standard parts, reducing the no. of parts, employ modular design principles
54
Work envelope
The 3D space a robot can operate within, considering clearance and reach
55
Load capacity
The weight a robot can manipulate
56
Teams of robots
Groups of robots carry out similar tasks
57
M2M (Machine to Machine)
Wireless and wired systems communicate b/n devices to share info. or send instructions.
58
First-gen robots
Simple mechanical arm that has the ability to make precious motions at high speed. Constant human supervision.
59
Second-gen robots
Equipped with sensors that can provide info. about their surroundings. They can synchronize with each other. Controlled by an external control unit.
60
Third-gen robots
Autonomous, can operate largely without supervision. They have their own central control unit.

IB Design Technology (10 decks)

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