A Universal Test Facility for Determining Tribotechnical Characteristics of Lubricants Based on the Serial Friction Machine SMTs-2

Tribological test facilities for conducting laboratory studies play a significant role in the process of creating new lubricants and antifriction materials, as well as studying properties of existing materials. These facilities are important both for defining special requirements and providing recommendations to develop technology for the future operation and manufacturing of these materials. At present, more than 150 different methods are used in deve¬loping new types of lubricating and antifriction materials as well as in friction unit testing. These methods are described by domestic (GOST) and foreign standards (ASTM, ISO, DIN, etc.). The conventional classification of test facilities adopted in tribology includes three groups: devices for determining physico-mechanical properties of the surfaces of contacting elements in a friction pair (hardness meters, flaw detectors, etc.); the second group comprising laboratory machines and installations for testing materials for friction and wear; and stands for testing friction units. However, for laboratory machines of the second classification group, there are currently no methods that would determine the antifriction and extreme pressure properties of the materials, taking into account the dynamics of the friction process, i.e. acceleration and deceleration, acceleration (deceleration) rate, etc.

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