Abstract
The study objective is a comparative analysis of the effect of nano-additives in engine oil on reducing the friction factor during upsetting. The task to which the paper is devoted is to obtain lubricants with different concentrations of fullerenes (C60) and analyze comparative tests of lubricant compositions. Research methods: lubricating compositions are obtained by mixing on an ultrasonic dispersant in the laboratory of friction units for extreme conditions of IMASH RAS; experimental studies are carried out at MIREA – Russian Technological University using the laboratory complex "Metal Working Process. Computerized CNC Press" which implements upsetting. Novelty of the work: for the first time, the effect of different concentrations of fullerenes (C60) on the upsetting is studied. Study results: experiments are performed on the workpiece upsetting; the dependences of the force on the workpiece movement for the tested lubricants are obtained. The main conclusion of the study is that engine oil with the introduction of fullerenes reduces the resistance to deformation of the workpiece and the friction factor
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