To evaluate possible immersion cleaning process for company to replace current solvent dunking system.
Date Run:
05/01/2008
Experiment Procedure:
Six products were selected based on previous lab testing for similar cleaning scenarios. Preweighed coupons were coated with the supplied grinding fluid (Houghton - Grind (HOUC 420060) using a handheld swab and weighed a second time to determine the amount of soil added.
Each cleaner was put in a bowl and three coupons were dunked into the solution at a constant rate for 30 seconds of cleaning. The coupons were then put on a tray and when done and allowed to air dry. There was no rinse. The process was done to as closely replicate the process used on site as possible. Once dry, final weights were recorded, and efficiency calculated for each coupon cleaned.
Trial Results:
Only one product was moderately successful, removing just under 80% of the grinding fluid. Three products removed over 50%. The table below lists the amount of soil added, the amount remaining and the efficiency for the coupons cleaned.
Cleaner
Initial wt
Final wt
% Removed
Solsafe 245
0.2404
0.1178
51.00
0.1904
0.0744
60.92
0.4142
0.1629
60.67
Metalnox M6310
0.1942
0.0514
73.53
0.2076
0.0479
76.93
0.2219
0.0349
84.27
Ionox HC 2
0.2633
0.0964
63.39
0.1483
0.1180
20.43
0.2291
0.0676
70.49
Soy Clear 1500
0.1229
0.0984
19.93
0.2574
0.1238
51.90
0.2085
0.1985
4.80
Biodiesel
0.2689
0.2566
4.57
0.1173
0.0916
21.91
0.1485
0.1137
23.43
SC Supersolve
0.3400
0.1177
65.38
0.2599
0.1272
51.06
0.1885
0.1075
42.97
Success Rating:
A follow up test, usually based on company input.
Conclusion:
Longer cleaning times should improve the efficiencies for many of the selected products. All six will be evaluated on the second supplied cutting fluid.
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