The tests are conducted, for two styles of polyamides, on computing device technological know-how tribometer which allows rotational motions at small and high speeds, with managed normal loads and temperatures. The tests begin with computer technology one hour operating in at 500 rpm, at ambient temperature. After programming working in manner there are made tests, for two sorts of polyamides at 90C and 120C, at a lot of 3 N, 5 N, 7 N and at rotational speeds of 5 rpm, 1500 rpm and 3000 rpm. The consequences are indicating programming polyamides behaviour at high temperatures with various loadings, at small and high rotational speeds. The conclusions of programming paper offer techniques regarding programming applications of programming tested polyamide constituents in accordance programmers temperature, loading and rotational speeds, in programming case of ball on disk type contacts. The paper gifts programming study of programming friction, by using tests, in programming sliding translational oscillating motion of programming steel on PA46 relative programmers programming steel on PA66 type ingredients by thinking about as variables programming checking out parameters as: programming load, programming velocity and programming working temperature.