AGITATOR REDESIGN FOR CORROSIVE ENVIRONMENT Kate Karauda Luigi Abbate Will Fritzinger Peter Torab.
RIT Team P13656: Agitator Redesign for Corrosive Environment - CTI Meeting March 11 th, 2013 MSD II.
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Transcript of RIT Team P13656: Agitator Redesign for Corrosive Environment - CTI Meeting March 11 th, 2013 MSD II.
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RIT Team P13656: Agitator Redesign for Corrosive Environment - CTI Meeting
March 11th, 2013MSD II
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Meeting Outline
• Current Project State– MSD I Recap and Project Changes– Feasibility Test Results
• Future Vision for MSD II– Testing Overview– Project Budget– Proposal– Additional Project Needs– Timeline– Deliverables
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Current Project State
Recap of MSD I Project Changes
• Project scope changed from part cleaning via mechanical agitation system to the use of ultrasonics
• Budget increased in anticipation of more costly purchases
Pre-Winter Hiatus• Waiting for test results from
visit to Jamestown at end of last meeting
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Feasibility Test SetupEquipment Highlights
Model: SC-6Tank Capacity: 6 gallonsTank Material: 316L SSTank Dimensions: 13” x 13” x 12”Power: Standard 120V, 20AUltrasonic Power: 600 WTransducer Type: 40 kHz piezoelectricHeating Power: 1000 WLoudness (insulated): 80 dBFrequency Generator Output: 40.8 kHzCost: $3,462.00 (Peter quote)Warranty: 5 yrs on transducers, 1 yr on
SS tank
Tank Conditions• Solution Used: SevereClean _____
– Composition not known• Amount of Solution: 4 gallons• Initial Bath Temperature: 137-140F
– Heating elements do not remain on the entire time. After the transducers are turned on, the energy from the 600 watt sonics transfers heat energy to the bath.
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Feasibility Test Procedure (just discuss)
• Degassing time: 7 min• Part placed in tank with thick rubber
glove in a ‘clean side up’ orientation (because transducers mounted on bottom of tank)– 1st removal from tank (and
inspected visually); time: 16 min– 2nd removal from tank; time: 17
min• Turning tinted orange/red on the
sides– 3rd removal from tank; time: 22
min• Comparing to one of the original
bar stock it looks shades lighter, but obviously not completely removed as compared to the bare SS bottom face of the bar stock.
• Temperature of bath is 150F
– 4th removal from tank; time: 18 min• Tested specimen is much lighter
in color, appears somewhat polished
• The coating is not completely removed, but we can tell significant stripping has occurred. We will now follow up with a coating thickness check, to evaluate the degree of stripping.
– Total stripping time: 73 min (1 hr 13 min); degassing time was not included
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Feasibility Test Results
Total Time in Ultrasonic Bath: 73 min
Initial Coating Thickness: _____ microns
Final Coating Thickness: avg. ____microns
(Dayton Coating Technology)
Plot of wear over time (2 data points)….projected with a linear fit to completion
Comment on possible non-linear fit
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Preliminary Process ComparisonPreliminary Ultrasonic
TestCurrent Agitation
Process
Estimated Time for Complete Coating Removal
min
Projected Coating Removal Rate
microns/min
Solution Composition -
Maintenance Schedule -
Warranty Details yrs
Additional Comments -
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Future Vision for MSD II
• Testing Overview• Project Budget• Proposal• Additional Project Needs• Timeline• Deliverables
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Testing Overview
• First Round– Variable Testing– Corrosion Testing– Capillary Test
• Solution Testing• Second Round– Scale-up Test
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First Round Testing (Variable, Corrosion, and Capillary Tests)
• Details….sample size, data collection methodology (triangle), error mitigation, variables, etc.
• Will be conducted in RIT lab using small Branson ultrasonic cleaning unit
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Second Round of Testing(Solution and Validation Tests)
• Conducted using larger scale production unit
• Test outline and objectives….what we’re planning on analyzing and initial thoughts on tank optimization
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Project Budget
Date VendorFaculty Review Description Amount
BUDGET $ 2,500.00
11/2/2012 SMC Metal Gomez Stainless Steel Sections $ (70.50)
11/26/2012 Dayton Coating Technology Hanzlik Coating for Bar Stock and Panels $ (416.43)
3/4/2013 Dayton Coating Technology Hanzlik Coating for Bar Stock and Panels $ (84.50)
Remaining Balance - MSD I $ 1,928.57
Future SMC Metal Additional SS
Dayton Coating Technology Additional Coating
Solution
Testing
….
Remaining Balance - MSD II $ 1,928.57
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ProposalOption A Option B
Large Scale Cleaning Unit Small Scale Cleaning Unit
Advantages Production Scale Minimum Risk
Cost
Disadvantages May not be optimal for coating removal process
Can’t be used for production use?
Cost
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Unit QuotesJamestown Advanced
Emerson - Industrial and Branson Cleaners http://www.emersonindustrial.com/en-US/branson/Products/precision-cleaning/bench-top-cleaners/bransonics/Pages/DigitalUltrasonicBaths.aspxhttp://www.emersonindustrial.com/en-US/branson/Products/precision-cleaning/bench-top-cleaners/ic-1216-1620/Pages/default.aspxEmerson - Solutionshttp://www.emersonindustrial.com/en-US/branson/Products/precision-cleaning/cleaning-solutions/Pages/default.aspx An Emerson/Branson/Ultrasonic Cleaner Supplierhttp://www.sonicsonline.com/branson-8800-ultrasonic-cleaner.htmlhttp://www.sonicsonline.com/cp2600.htmlhttp://www.sonicsonline.com/branson-dha-1000-ultrasonic-cleaner.htmlhttp://www.sonicsonline.com/icseries.htmlCustom Cleanerhttp://www.sonicsonline.com/branson-series-7000-tanks-and-generators.htmlWarranty Informationhttp://www.sonicsonline.com/warranty.html Another Vendorhttp://www.kell-strom.com/tools/branson/115price.htm
• What are we proposing in this proposal?
• And what options besides just Jamestown– Limited to just one
solution supplier
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Additional Project Needs
• CTI– Physical Needs
• Space on CTI floor• Solution• Etc.
– Financial Approval• Approval to order quote
• Other– Outside Lab Contacts
• Metallurgical Testing• Optical Microscopy
– RIT Lab Access– What else?
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Timeline
• Testing Time Frame– Breakdown, test
duration estimates
• Lead Times– Units– Samples– Lab results
• Meeting Points– Prior to deliverables
• Deliverable Due Dates
A Microsoft project document
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Deliverables
• Capital– Unit, Test Samples
• Informative– Optimal Unit Parameters– Precautions– Data
• MSD II Student Requirements– Invitations to Imagine RIT
(thoughts on display?)
• EDGE Updates