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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
Q

Miling

A

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
Q

Drilling

A

Boring a hole into a piece of material

27
Q

Abrading

A

Wearing away material using abrasive material (sand paper)

28
Q

Moulding

A

Shaping techn.- Heat a material until it is a liquid or pliable state, then placing into a mould

29
Q

Injection moulding

A

Producing products by injecting plastic into a mould

30
Q

Blow moulding

A

Process of inflating a hot and hollow thermoplastic tube inside a closed mould.

31
Q

Rotational moulding

A

Heated hollow mould is rotated during the heating up of the plastic and cooling

32
Q

Compression moulding

A

Material is heated and placed into an open mould that closes and compresses the material to the shape of the mould cavity

33
Q

Thermoforming

A

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
Q

Laminating

A

Shaping techn.- sheets of thin veneer are layed with a polymer glue in-between

35
Q

Casting

A

Shaping techn.- pouring a molten metal into a mould. Then the mould is broken.

36
Q

Knitting

A

Shaping techn.- loops of yarn are formed and stitched together.

37
Q

Weaving

A

Shaping techn.- interlacing 2 sets of yarn (warp and weft) perpendicularly

38
Q

Adhering or Gluing

A

Permanent joining techn.- the use of adhesives

39
Q

Adhesives

A

Research and write

40
Q

Fusing (incl. of welding and brazing)

A

Permanent joining techn.- similar materials are melted at high temperatures and adding a small amount of a similar material

41
Q

Fasteners (permanent)

A

Nails and rivets

42
Q

Fasteners (temporary)

A

nuts and bolts, screws, keys, studs, pins, rings, velcro

43
Q

Adhering (temporary)

A

joining techn.- thermoplastic glue used to hold materials together

44
Q

CNC = Computer Numerical Control

A

The computer control of machines for the manufacturing computer parts in metals and other materials.

45
Q

In CNC, machines are controlled by ______.

A

G code

46
Q

Assembly line production

A

A volume production process where components are moved continuously along a conveyor. The components are added until the final product is assembled.

47
Q

Mass production via a flow line is based on ? (4 things)

A

interchangeability of parts, pre-processing of materials, standardisation and work division

48
Q

5 aspects of DfM are ?

A

materials, process, assembly, disassembly, adapting designs for DfM

49
Q

Design for materials

A

Designing in relation to materials during processing

50
Q

Design for process

A

Designing to enable the product to be manufactured using a specific process/technique

51
Q

Design for assembly

A

Designing considering assembly at various levels (components and sub-assemblies)

52
Q

Design for disassembly

A

Designing a product so that when it becomes obsolete it can easily and economically be taken apart

53
Q

Adapting designs for DfM

A

Using standard parts, reducing the no. of parts, employ modular design principles

54
Q

Work envelope

A

The 3D space a robot can operate within, considering clearance and reach

55
Q

Load capacity

A

The weight a robot can manipulate

56
Q

Teams of robots

A

Groups of robots carry out similar tasks

57
Q

M2M (Machine to Machine)

A

Wireless and wired systems communicate b/n devices to share info. or send instructions.

58
Q

First-gen robots

A

Simple mechanical arm that has the ability to make precious motions at high speed. Constant human supervision.

59
Q

Second-gen robots

A

Equipped with sensors that can provide info. about their surroundings. They can synchronize with each other. Controlled by an external control unit.

60
Q

Third-gen robots

A

Autonomous, can operate largely without supervision. They have their own central control unit.

IB Design Technology (10 decks)

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