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Interim Design Review

Interim Design Review. Outline. Review of project Define Product Failure Measuring the Surface Failure detection vs. Failure prevention Possible machines Testing procedure Future for us. The Hydraulic Lash Adjuster (Revisited). Courtesy of Indonesian Mitsubishi Owner’s Club.

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Interim Design Review

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  1. Interim Design Review

  2. Outline • Review of project • Define Product Failure • Measuring the Surface • Failure detection vs. Failure prevention • Possible machines • Testing procedure • Future for us

  3. The Hydraulic Lash Adjuster (Revisited) Courtesy of Indonesian Mitsubishi Owner’s Club http://www.idmoc.com/Images/News/hla1.gif

  4. Plunger seat Highlighted

  5. Technical Specifications • Acceptable flow rate: Unknown • Surface Clearance: < 0.000035 in. • Surface quality: Free from defects detrimental to the function of the component when assembled and tested • Radius of Plunger seat polish: 0.006”

  6. Unpolished seat Polished Seat

  7. Notes about seat images • Seat is a 3D surface, not flat • Grooves being ground into seat during polishing process • Solution will be a mirror finish or cross-hatched grooves

  8. Acceptable Flow Limits • Original Leak down test • Low flow master • High Flow Master

  9. http://www.sciencegl.com/Forensic_comparator/image_comparator.htmhttp://www.sciencegl.com/Forensic_comparator/image_comparator.htm

  10. How to measure the surface DYMEK - Veeco (Wyko) - Optical Profiler Ebay item: 320102008057 Price: $24,500.00 UBM – AutoScan Automated Surface Profiler

  11. This Semester • Which testing device will be used • Develop theory of what causes grooves • Which of the 8 elements will be tested • Test plan for the Spring • Research materials for testing

  12. Questions? • http://www.eng.fsu.edu/~willibe/gt10

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