cad computer aided design. computer aided design computer-aided design (cad) is the use of computer...
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Computer Aided Design
Computer-aided design (CAD) is the use of computer technology for the design of objects, real or virtual.
• The design elements include:• Packaging design• Bacterial modelling • Nutritional analysis
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Computer Aided Design Packages
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CAD - Packaging/ Product Design
• Designers can produce 2D/3D images (‘virtual reality’) of new food products and packaging
• The ideas can be seen by others in other parts of the office or even the world!
• Changes or modifications can be made on screen
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CAD• CAD can be used for adding pictures to
packaging design/artwork
• Scanned images• Digital photographs• Clipart
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CAD - Product Development
CAD packages can also be used for Product Development .• Spider Diagram• Packaging nets• Food labels• Design ideas• Star diagrams
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CAD - Databases
• DATABASE - A collection of costs and items that can be accessed and searched through a spreadsheet.
• E.g. Using spreadsheets to cost products in product development COSTING
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CAD – Nutritional Databases
• Nutritional modelling can be carried out using computer packages to create labels and nutritional data
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CAD -Spreadsheets
• Spreadsheets are used to create:
• PRODUCT COSTINGS
• SCALING UP PRODUCT RECIPES
• STOCK CONTROL
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CAD
• CAD can also be used for :
• Planning production flow charts • Research and sales forecasting • Modelling bacterial growth
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Advantages of using CAD in the food industry
• Mathematical work is done speedily and with great accuracy.
• Computers allow designers to work quickly and accurately
• ‘Modelling’ saves money for manufacturers
• Designers can model ideas without having to produce a real dish!
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CAM: Computer Aided Manufacture
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Computer Aided Manufacture (CAM) - Definition
• The process of using specialised computers to control and monitor and adjust food processing machinery
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CAM – Computer Aided Manufacture
Food manufacturers use computers in many of the stages of production because they:
• Do not make mistakes
• Can run all day everyday without tea breaks!
• Save on labour costs
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CAM – Computer Aided Manufacture
• Remove human error
• Assess thousands of products in minutes
• Detect things that the human eye cannot see!
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CAM - Uses in manufacture• Cam includes:• Oven thermostats• Oven temperature and temperature adjustment• Weighing and measuring control • Rate at which ingredient is added• Amount of mixture coating being used• Timing of mixing, kneading, stirring, combining • Speed of a conveyor belt or other machinery• Metal detector
See CAD/CAM in food industry supplementing sheet for further information
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ICT and CAM in single item production
• Microwave ovens
• Timers
• Bread makers
• Edible icing printer
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Computer Numerical Control (CNC)
• CNC Means controlling machines using numbers and digital information
• Equipment required for the system in highly sophisticated and very expensive
• CAM systems use CNC machinery to carry out tasks in the production processes
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Computer Numerical Control (CNC) – Cont...
• CAM systems use CNC machinery to carry out tasks in the production processes.
• Cad software can be used to drive CNC machines, e.g. Card cutters for packaging
• The benefits of using CNC include the following:-increased speed and accuracy-increases flexibility-continuous operations-economical to operate
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Example of CNC
Robot!This is a piece of equipment that is computer driven and mimics the skills of a human being
Robots used for ‘pick and place’ operations e.g. Packing biscuits into a tray
Stacking boxes
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Computed Integrated Manufacture (CIM)
• A system in which all the stages of in a food manufacture processes are integrated and linked and controlled by computer systems
• High volume products such as bread, cereals and snack foods use CIM systems. They are essential because:
• They produce high volumes quickly• They are highly accurate• Consistent result