Proceedings of SerbiaTrib '13

Table 7. Test results of oil samples for drawingoperations with classical formulation with chlorinatedparaffine and Syn ester 2.Neat oil for drawingSample 1 Sample 2ChlorinatedSyn ester 2,3paraffine, % m/m% m/m10Additive package, %Additive package,18m/m% m/m7Base oil, % m/m 56 Base oil, % m/m 73Vegetable oil,Vegetable oil,23% m/m% m/m10Results1 2Wear, 40 kg, mm 0,44 Wear, 40 kg,mm 0,35Welding point, N 4000 Welding point,N 4200V at 40 0 C, mm 2 /s 44,26Vat 40 0 C,mm 2 /s40,02Cu corrosionCu corrosion(3 h, 100 0 3aC)(3 h, 100 0 C)1bAcid number,Acid number, mg4,67mg KOH/grKOH/gr7,81which are prepared with Syn esters, as areplacement for chlorinated paraffine, shows:- test result of welding points has showed that atheavy operations such as a broaching with Synester 1 they do not achieve good results, although itis attempted to use synergistic effect of esters andadditives with active sulphur.- with stamping operations, which is alsoconsidered as heavy, welding points test showedthat with two different formulated Syn estes it isimpossible to achieve good results, which will alsoaffect application conditions- based on test results for steel profiles drawingoperations, one can conclude that Syn ester 2 canbe used for formulations intended for thatoperations, with reduced quantities of otheradditives.This is the start of one comprehensive research,in laboratory and application conditions, that arebeing done with additive manufacturers. Testresults shows that it is hard to achieve replacementfor chlorparaffins in formulations of heavymetalworking operations, like broaching, deepdrilling, stamping and others.Constant arguing about usage of chlorparaffinsand their allowed chain length, confuse both usersand manufacturers. But it initiated many studiesregarding that problematic and efforts to findadequate replacement for chlorparaffins, as soon aspossible.REFERENCESFigure 10. Test results of diameter wear with samplesfor drawing operations with classical formulationwith chlorparaffine and Syn ester 2.4. CONCLUSIONTest results of samples of neat oils intended foroperations: broaching, fine stamping and drawing[1] N. Canter: Special Report: Trends in extremepressure additives, Tribology & LubricationTechnology, September 2007., pp.10-17[2] T. Kelley, R. Fensterhein, A. Jaques : “Voices &Views”, Chlorinated Paraffins, Vol.59, No.4, April2009.[3] L. Rudnick, “Syntetics, Minerals oils, and Bio basedLubricants”, 2006[4] Internal documentation of additive manufacturer13 th International Conference on Tribology – Serbiatrib’13 313