Progress Report. What we’ve done so far… A fluid dynamics model to calculate leakage A method to set pass/fail limits for roughness A Quality Control.

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Presentation transcript:

Progress Report

What we’ve done so far… A fluid dynamics model to calculate leakage A method to set pass/fail limits for roughness A Quality Control machine to recommend A sales representative contact at Dymek A test plan Polishing materials ordered umentation/Optical_Profilers/Wyko_NT9300/

Test plan # of Tests Material Fine Grit Ruby 5/16” x 4” roundFine Grit Diamond Fine Grit CBN (Cubic Boron Nitride)3 SpeedLowMediumHigh3 Time2 Seconds5 Seconds10 Seconds3 Pressure10 lbs20 lbs30 lbs3 Directionone directiontwo directions 2 14 Speed, Time, Pressure, and Direction tests will be conducted with Course Grit Ruby stone

After testing Measuring Roughness and Roundness at the NHMFL. Set parameters and tolerances for the surface profiler. Incorporate a fluid dynamic model for roundness measurements.

Roughness and Roundness hobson.com/faqrounddetail.php?f aqid=44

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What we still need Carry out polishing tests at GT Tech and machine shop Analyze samples at NHMFL Fluid dynamic model for roundness Combined model that calculates leakage given roughness and roundness

Last minute ideas Change from stainless steel ball bearings to high temperature rubber Viton™ Rubber will allow some deformation to form to the surface of the seat Could potentially eliminate the need for polishing Image from

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