![Questions and comments According to the Six Sigma Body of Knowledge from the ASQC section on Design for Six Sigma - Robust Design Process - Tolerance Design a Black Belt is suppose to know how to do Statistical Tolerancing. Thank you [email_address]](https://image.slidesharecdn.com/sixsigmamechanicaltoleranceanalysis1-12577913289516-phpapp01/85/Six-Sigma-Mechanical-Tolerance-Analysis-1-14-320.jpg)
![SEMINAR[2].pptx automatic circuit design](https://cdn.slidesharecdn.com/ss_thumbnails/seminar2-240429082425-ef3426ac-thumbnail.jpg?width=560&fit=bounds)
Six Sigma Mechanical Tolerance Analysis 1
- 1. David A. Panek Product Cost Engineering Six Sigma Mechanical Tolerance Analysis
- 2. BIO Name: David A. Panek Education (Degree/College): Bachelor of Science Electrical Engineering and Bachelor of Science Computer Science Area of Expertise:Tolerance analysis, Monte Carlo Techniques, Time to market improvement, Cost Estimation Techniques, Neural costing. Years of Experience: 18 (costing) Area of Focus: Improvements to cost control
- 3. Introduction Methods for doing Tolerance Analysis Worst Case Individual tolerance Statistical (RSS) Individual tolerance/3 ² Six Sigma Individual tolerance/(3*Cpk) ²
- 4. Definition of terms Process Variation Standard Deviation Rejects UL LL Mean A frequency plot shows how a process varies from the mean Capability
- 5. Measures of Process Capability 3 6 k Process Capability Index: Cp adjusted for k : C pk = C p (1-k) UL UL LL LL
- 6. 6 Variation Defined RSS : 6 : where C pk = C p (1-k) and 3 UL LL 6 k UL LL
- 7. Optimizing the nominal dimensions of the components Optimizing the tolerances of the components Establish the variance Pool Motorola Product Design Optimization
- 8. Design Analysis and Optimization Guidelines Execute Preliminary Design Activities Identify Process Standard Deviation Assign Tolerances to Related Dimensions Compute Z for Each Specified Gap Constraint Optimize the Probability for Each Specified Gap Constraint (.9999966 Probability of assembly)
- 9. Simple Problem 1±.001 1±.001 1±.001 3.1±.001
- 10. Simple Six Sigma Tolerance Analysis Spread sheet
- 11. Dr. Ken Chase, Brigham Young University, cats_1d spreadsheet
- 12. Reference information (web) http://adcats.et.byu.edu/home.html(Brigham Young University Adcats home page) http://adcats.et.byu.edu/WWW/ADCATS/software/(Excel Spreadsheet )
- 13. Reference information Six Sigma Mechanical Design Tolerancing - Mikel J. Harry, Reigle Stewart - 1988 - ISBN 1569460167
- 14. Questions and comments According to the Six Sigma Body of Knowledge from the ASQC section on Design for Six Sigma - Robust Design Process - Tolerance Design a Black Belt is suppose to know how to do Statistical Tolerancing. Thank you [email_address]