During the period from the beginning of December 2011 to the end of May 2012 (6 months) of the controlled operation of elevator No. L3 in different modes:
- a decrease in the intensity of wear and tear of shoe liners by 4 times (and more) was determined in comparison with the "original" ones;
- the possibility of operation in the mode of insufficient lubrication of friction surfaces of composite shoes and mating elements was established;
- compliance of the mechanical and tribotechnical characteristics of the polymeric composite material Oxafen specified by the manufacturer (Oxafen Tech) with increased loads affecting the elements of the friction units of the elevator was confirmed .