Topic 8 The Use of ICT in Production

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What does CAD stand for?
Computer-aided design
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What does CAM stand for?
Computer-aided manufacture
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What does CAD allow you to do?
Create, modify and communicate design ideas
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What does CAM allow us to do?
Monitor and control production
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Using input --> Process --> Output, put CAM,CAD and CNC in the correct places on this diagram
CAD --> CNC --> CAM
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Give examples of CAM hardware
Laser cutter, miller, router, printer, cutter
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What are some advantages of using CAD?
Saves time in planning and development; More time for production; Reduced labour costs due to less human intervention; Accurate; Repetition; Storage and use of ideas and info; capability for full automation
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How can you use CAD at school?
Make templates; Improve accuracy of drawings; Create numerical data for CNC machinery
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What else can CAD be used for?
Calculate the nutritional profile of a food product; Work out manufacturing costs and a retail price; Scale up recipes for commercial manufacture; Take digital photos of proposals
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What is stress analysis?
An engineering discipline used to determine whether or not a material or object can withstand forces
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What are the disadvantages of using CAD?
Risk of corruption; Ensuring the data is secure; High initial investment in the plant and training
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What is rapid prototyping?
Using a computer to transfer drawings into 3D for model making
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What is good about rapid prototyping?
Problems can be identified early; Avoids unescessary costs or delays; Informs manufacturer and designer
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Give some uses of rapid prototyping
Replicating injection mould components to test the pieces fit prior to investing in expensive mould making
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What is stereolithography?
A rapid prototyping process to produce realistic models and working prototypes
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How does stereolithography work?
A laser draws outlines of the product onto liquid resin. Where the laser hits the resin, it solidifies to build a 3D prototype identical to the drawing
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What are the two machines found in school that do rapid prototyping?
3D printer (Z-corp machine) and an ABS version 3D prototyping machine
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Which of the two school prototyping methods is cheaper?
3D printing
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What is the issue with 3D printing?
Not as durable
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What is the issue with rapid prototyping in general?
Cannot be altered if there is a fault - must be completely remade; Need a high level of skill in CAD
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What is good about video conferencing?
Can talk face-to-face with others around the world; Designers can watch their product being made on the other side of the world
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What is remote manufacturing?
Designing and making products on different sites around the world
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What is the advantage of remote manufacturing?
Cheaper to get certain tasks done in poorer countries and send them back to the UK
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What is the issue with remote manufacturing?
Impact on the environment by transportation makes it less attractive
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What is a prototype?
A highly finished model or working product to demonstrate a design
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What materials could you use in school to make a prototype?
Card or modelling clay
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What is a mock-up?
A rough prototype made at low cost
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What can mock-ups be used for?
To model products and demonstrate ergonomics
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What are mock-ups often made of?
card, MDF, modelling clay, polymorph, modelling foam, plywood
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What is orthographic projection?
Drawings showing three dimensions in 2D
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What can you do once you finish an orthographic projection?
It can be transmitted to a CNC output machine
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What are CAD models used for?
Developing an idea
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What does modelling allow designers and clients to do?
Consider ergonomic and anthropometric issues
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Give three reasons why ICT software sharing is necessary
Stock control; Sourcing data; Manufacture information
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What is good about ICT sharing?
Changes can be implemented immediately anywhere around the world
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What is automation?
The use of an automated production system
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What are some uses of CNC?
Reads instructions; Drives and controls industrial tools, machines and processes; Enables many interlinked subsystems to be centrally controlled; Drives the use of robots or materials handling systems to carry out repetitive or dangerous tasks
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What is a CNC controller?
A powered mechanical device typically used to make components by selective removal of material
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What does CNC technology also do?
Exchanges data with other computers
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What are the advantages of using CNC machinery?
Increased productivity as can work around the clock; Improved profitability as different processes can be integrated; Sustained quality as monitoring and measuring can be continuous
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Give some other uses of CNC tech
Assembly schedules, integration of operations, organising transport
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When does CNC work particularly well?
When many small factories manufacture different components of a product
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What are CNC robots?
Machinery controlled by a computer numerical control for use in manufacture
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What does a first generation robot do?
Responds to a pre-set program and carries on doing the same task repeatedly
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What does a second generation robot do?
Has sensors that relay information to the computer in the factory. Performs a similar job on different products
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What might a second generation robot do on a car assembly line?
Insert a car windscreen and then the dashboard
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What do third generation robots do?
Have more sophisticated sensors so it can perform many different tasks. It can also modify its own program giving it 'artificial intelligence'
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What does FMS stand for?
Flexible manufacturing systems
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What does an FMS do?
Organising production into cells in a U shape so one person can operate many machines. This is controlled by a central computer that logs different tasks and operates them in a sequence
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What is good about FMS?
Saves time and effort. Can react quickly if small changes need to be made in small quantities e.g. school polo shirt logos in different colours
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Other cards in this set

Card 2


What does CAM stand for?


Computer-aided manufacture

Card 3


What does CAD allow you to do?


Preview of the front of card 3

Card 4


What does CAM allow us to do?


Preview of the front of card 4

Card 5


Using input --> Process --> Output, put CAM,CAD and CNC in the correct places on this diagram


Preview of the front of card 5
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