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Abstract

The paper gives an example where a concept, essentially a mechanical concept, applies in the field of tribology, with no particular reference to materials, surfaces or lubricants. The frictional forces are considered as external forces capable of maintaining a solid body in equilibrium. Illustration is given. The description of a theoretical experiment explains how it is possible to keep a pendulum free, by means of two similar rotating sleeves transmitting to the pendulum axle two opposite moments, generated by friction forces. An industrial prototype is also described, involving a set of different rotating seals (patented). A laboratory bench is shown together with the results it was possible to gain from its use. In conclusion, other possible applications of this principle are mentioned, involving situations where stick slip can occur or where it is necessary to avoid irregular or jerking motion.

Additional information

Authors: D'AGRAIVES B C JRC ISPRA ESTAB. (ITALY), JRC ISPRA ESTAB. (ITALY)
Bibliographic Reference: QUARTO CONVEGNO NAZIONALE DI TRIBOLOGIA, MILANO (ITALY), SEPT. 27-29, 1983 - WRITE TO CEC LUXEMBOURG, DG XIII/A , POB 1907 MENTIONING PAPER I 31258 ORA
Availability: Can be ordered online
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