CREO as virtual prototyping.5 Zaparozhya, 15 October 2015 History of CAD. •
Transcript of CREO as virtual prototyping.5 Zaparozhya, 15 October 2015 History of CAD. •
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CREO as a tool for virtual prototyping.Dr ing. Peter Arras
KU Leuven –
technology campus De Nayer
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Contents• History of design• History of CAD• From drawing oriented design to model
oriented design• Introduction to CREO• Case study
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History of design.• Drawing is method of communication.
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Drawing containing a lot of information:• Calculate• Manufacture• Document• …..
> many documents, many possible
errors
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History of CAD.• <1980• 1980: introduction of Autocad, first wide spread
2D drawing software• 1985: introduction of 3D software, first steps
towards model oriented software• 1989: introduction of Pro/Engineer, first
commercial parametric modeler.
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• Drawing oriented:– Paper model– Only on paper– Multiplication of data
• Model oriented:– CAD‐model– Virtual prototype– 1 source of data
From drawing oriented to model oriented design.
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Model oriented.
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Virtual prototype.
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MCAD (Mechanical CAD): CREO/ProEngineer: Model oriented.
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MCAD (Mechanical CAD): CREO/ProEngineer
• No compromise on design• From simple to complex design
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Complex design study• Scalemodel 1/10 steam engine
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Manufacturing.• Creating
toolpaths• Simulation• First‐time right
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Air compressor
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Parametric: dimensions drive the design
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Associative
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CREO: fundamentals
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Some student examples:
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Case study: car jack.• Aim: make a car jack, able to lift the car.
– Force to operate not too big– Light weight (cost, maneuverability)– Strong enough to withstand operation
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Design parts
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Make assembly
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Make mechanism• Include:
– Motors– Measures– Conditions– …
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Mechanism analysis.
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Strength analysis
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Make documentation
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Time for a demo.
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Questions?