env general
DESCRIPTION
Company PresentationTRANSCRIPT
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Enventive Growth
Years of existence: 10.
First product delivery: 2005.
Average growth over last 7 years: 70%
Profitable, no debt, among fastest growing MCAD Companies.
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Examples of clients using Enventive
Automotive = 75% of Enventive market
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Examples of clients using Enventive
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• Intensive time pressure to get a.s.a.p in production and on the market (solve costly Problems).
• Sometimes forgotten due to time and pressure constraints.
• Results not interpreted and valued. Simply sent to customer for justification.
• Complex problems Require engineering change requests or tooling changes, meaning time and costs.
• The probability to have problems in production/assembly/usage is much higher
• Tolerance analysis is a bottleneck in the development & industrialisation process.
Optimizing design for robustness When ? How ?
Voice ofCustomer
Product Releaseto Manufacturing
Pilot Program(Soft Tooling)
ProductionRelease
(Hard Tooling)
ProblemResolution
ToleranceAnalysis
ProductRequirementSpecifications
ConceptualDesign
(Initial prototypes)
Detail Design(Further prototypes
and testing)
ToleranceAnalysis
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Solution Desired by Customers
Managers want pushbutton tolerance analysis from CAD system
This solution does not currently exist
CAD mathematical structure inadequate for tolerance analysis.
Because of the CAD limitations, extremely difficult to develop a CAD-based pushbutton solution.
Plane defined by X,Y,ZCoordinates of points.
Plane defined by X,Y,ZCoordinates of points.
No mathematical relationships between the surfaces
NO MATH STRUCTURE IN CAD SYSTEM
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Process change: pre-CAD Tolerance Analysis-Based Design Optimization.
• Process capabilities taken into account early in investigation.
• Diverse types of complex analyses: • Complex kinematics.• Complex ISO tolerancing.• Physical aspects (forces, contacts): need for
DOE and prototypes reduced.
• Structured Transfer Function optimization (focused on costs):
Number of contributors. Sensitivities. Tolerances Process Capabilities Tolerances on small impacts contributors.
• Design reliability justification from consultation phase. Customer Confidence.
• Ease of use and of deployment among engineers (no full time specialist required).
Voice ofCustomer
Pilot Program(Soft Tooling)
ProductionRelease
(Hard Tooling)
ProblemResolution
TraditionalToleranceAnalysis
Product Releaseto Manufacturing
ProductRequirement
Specifications
ConceptualDesign
(Initial prototypes)
Detail Design(Further prototypes
and testing)
ToleranceAnalysis-Based
Design Optimization
TraditionalToleranceAnalysis
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4 bars Mechanism:
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Finger in friction on complex profile:
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Latch system operating in 3D including transmission by cable:
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Hydraulic Brake Pedal System:
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Multi Variate Statistical Optimisation of Spring submitted to a weight:
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Stroke & Efficiency driven by conduit routing:
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Sealing System:
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Hydraulic Flap Assembly:
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Accuracy Optimization on gear based mechanisms:
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Comments from Enventive Users…“We can conceptualize design concepts ten times faster in Enventive than we can
with our native CAD system…Rather than seeking to simply avoid problems, by using tolerance-based optimization
early in the product development process, well up-front of traditional CAD, we’re able to use Enventive to target and achieve optimized design solutions and aggressively establish competitive product offerings.”
Yves Le Pottier – Electrical Device Supplier
“I cannot leave a discussion of Enventive without mentioning it is fun to use. The software is graphically based. Sketches and graphical representations of the parts drive the models. This, coupled with the easy to use interface, creates “Stack-up Junkies” who want to do the analysis because the software helps them easily visualize the impact a design change can have on the product.”
Eric Pattok – Delphi Steering Systems
“Our engineering team has been able to use Enventive after 4 days of training. We have been able to correct some design mistakes that were done in the past due to the limitations of the tools we were using. In the end, our customer praised us for the speed and professionalism with which we have been able to complete and present the DFSS phase on this project.”
Pedro Lopes – Ficosa International
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