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CREO as a tool for
virtual prototyping.
Dr ing. Peter ArrasKU Leuven – technology campus De Nayer
2KU Leuven – Technology Campus De Nayer,
2016
Contents
• History of design
• History of CAD
• From drawing oriented design to model oriented design
• Introduction to CREO
• Case study
3KU Leuven – Technology Campus De Nayer,
2016
History of design.
• Drawing is method of communication.
4KU Leuven – Technology Campus De Nayer,
2016
Drawing containing a lot of information:• Calculate
• Manufacture
• Document
• …..
> many documents,
many possible errors
5KU Leuven – Technology Campus De Nayer,
2016
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.
6KU Leuven – Technology Campus De Nayer,
2016
• Drawing oriented:
o Paper model
o Only on paper
o Multiplication of data
• Model oriented:
o CAD-model
o Virtual prototype
o 1 source of data
From drawing oriented to model oriented
design.
7KU Leuven – Technology Campus De Nayer,
2016
Model
oriented.
virtual prototype:
CAD model
production: CAMdocumentation:
drawings
BOM
...
numerical simulations:
structural
thermal
electrical
mechanism analysis
geometry checks
tolerance analysis
visual represen-
tation
8KU Leuven – Technology Campus De Nayer,
2016
Virtual prototype.
virtual prototype:
CAD Model
geometry
appearance
physical and
mechanical properties
dynamic behavior
9KU Leuven – Technology Campus De Nayer,
2016
MCAD (Mechanical CAD):
CREO/ProEngineer (PTC): Model oriented.
10KU Leuven – Technology Campus De Nayer,
2016
MCAD (Mechanical CAD):
CREO/ProEngineer
• No compromise on design
• From simple to complex design
11KU Leuven – Technology Campus De Nayer,
2016
Cable harness: cabling.
• Geometry: lengths,
electrical logic: paths,
connections
Wire, cable, bundle
Entry ports,
connections
12KU Leuven – Technology Campus De Nayer,
2016
Cabling: interfacing hardware
13KU Leuven – Technology Campus De Nayer,
2016
14KU Leuven – Technology Campus De Nayer,
2016
Framework extension:
15KU Leuven – Technology Campus De Nayer,
2016
16KU Leuven – Technology Campus De Nayer,
2016
Complex design study• Scalemodel 1/10 steam engine
17KU Leuven – Technology Campus De Nayer,
2016
Manufacturing.
• Creating toolpaths
• Simulation
• First-time right
18KU Leuven – Technology Campus De Nayer,
2016
Air compressor
19KU Leuven – Technology Campus De Nayer,
2016
Parametric: dimensions drive the design
20KU Leuven – Technology Campus De Nayer,
2016
Associative
21KU Leuven – Technology Campus De Nayer,
2016
CREO:
fundamentals
22KU Leuven – Technology Campus De Nayer,
2016
Some student examples:
23KU Leuven – Technology Campus De Nayer,
2016
24KU Leuven – Technology Campus De Nayer,
2016
Case study: car jack.
• Aim: make a car jack, able to lift the car.
o Force to operate not too big
o Light weight (cost, maneuverability)
o Strong enough to withstand operation
25KU Leuven – Technology Campus De Nayer,
2016
Design parts
26KU Leuven – Technology Campus De Nayer,
2016
Make assembly
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2016
Make mechanism
• Include:
o Motors
o Measures
o Conditions
o …
28KU Leuven – Technology Campus De Nayer,
2016
Mechanism analysis.
29KU Leuven – Technology Campus De Nayer,
2016
Strength analysis
30KU Leuven – Technology Campus De Nayer,
2016
Make documentation
31KU Leuven – Technology Campus De Nayer,
2016
Time for a demo.
32KU Leuven – Technology Campus De Nayer,
2016
Questions?
33KU Leuven – Technology Campus De Nayer,
2016
Contact
Dr. Ing. Peter Arras
contact
MCAD/CAE