3dcs aao, fast dimensional and tolerance analysis

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Presenter: Brenda Quinlan, Senior Dimensional Analyst 3DCS Advanced Analyzer and Optimizer

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See your data like never before! With AAO, users of 3DCS can sort, change, test and analyze their CAD models faster than ever before. Using 3D simulation to create realistic virtual prototypes, 3DCS is an excellent tool for dimensional analysis and tolerance analysis. By reducing variation in the design phase and testing assembly processes, many expensive issues in the product life cycle (PLM) can be removed before building any physical parts. AAO speeds up the analysis process, giving users a birds eye view of their model, and allowing them to optimize for many different attributes. PPK, build capability, cost? All of these can be optimized for quickly. Find out more at http://www.3dcs.com/3dcs-add-on-advanced-analyzer-and-optimizer.html

TRANSCRIPT

Page 1: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Presenter: Brenda Quinlan, Senior Dimensional Analyst

3DCS Advanced Analyzer and Optimizer

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Page 2: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Why AAO?

The Simulation results predict what problems an assembly will have.

The Sensitivity and GeoFactor results predict why those problems occur.

AAO recommends solution alternatives to those problems

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Page 3: 3DCS AAO, Fast Dimensional and Tolerance Analysis

What feature is your analysis most sensitive to?

Which tolerances contribute the most?

How can I reduce cost?

How do I know I’m getting the best value vs quality?

AAO

Analysis run. Now what?

Page 4: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Analyzers

Where Do You Start?

Page 5: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Advanced Analyzer Matrix

• Based on GeoFactor Analysis• Six Methods of Combining Contributors

Advanced Analyzer Matrix

Page 6: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Critical Tolerance Identifier

• Pp*: weighted by spec limits, no mean shift• Ppk*: weighted by spec limits and mean shift• Out%: weighted by out-of-spec results• Ave%: average % contribution per measurement

*Process Performance or Process Performance Index

Quantifies the effect of each tolerance (or hole-pin float) on the measures simultaneously and globally

Page 7: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Optimizers

How can you reduce cost?

How to know you’re getting the best quality vs cost?

Page 8: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Tolerance Cost Optimizer

Achieve desired quality at minimum cost

Goal Value (spec limits)

Max, Min, Lock, Cost

Optimized Measure Range

Opt Tolerance Range

Total Current Cost and Total Optimized (Minimum) Cost

Input

per Measure

per Tolerance

Optimizer

Output

*Assumption: larger tolerance = less cost

Page 9: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Smaller Tolerance = More Cost

(6tk)2

Costk

(6tkmin)2 (6tkmax)

2

Costkmin

Costkmax cck = (Costkmax - Costkmin) / [(6tkmax)

2 - (6tkmin)2]

Page 10: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Cheapest in-Spec Solution

Page 11: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Tolerance Quality Optimizer

Achieve best possible quality at a defined cost

Goal Value, Weight

Max, Min, Lock, Cost

Total Available Budget

Opt Meas

Opt Tol

Total Current Cost, Total Optimized (Minimum) Cost, Optimized Quality Value

Input

per Measure

per Tolerance

Optimizer

Output

*Assumption: Weight and Cost are relative values

Page 12: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Biggest Bang for Your Buck

Page 13: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Advanced Analyzer Matrix

• The GeoFactor Table is accessible from the matrix

Advanced Analyzer Matrix

Page 14: 3DCS AAO, Fast Dimensional and Tolerance Analysis

GeoFactor Mean Shift Table

Ranks affect of Tolerance Offsets

Page 15: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Demo: Suspension Model

Page 16: 3DCS AAO, Fast Dimensional and Tolerance Analysis

Dimensional Control Systems Inc.580 Kirts Blvd.Troy, Michigan48315USA

MAIN OFFICE: 248-269-9777WEB: WWW.3DCS.COMEMAIL: [email protected]

Questions?