Thin film high-temperature friction and wear testing device

Abstract

A thin film high-temperature friction and wear testing device comprises a casing, a driver is arranged in the casing, a moving test sample round disc is arranged on the drive shaft of the driver, a magnetizer, an induction heating coil and an infrared temperature measurement instrument are arranged above the moving test sample round disc in a non-contact manner, a fixed test sample is arranged above the moving test sample round disc in a contact manner and fixed by a fixed test sample fixture, the fixed test sample fixture is mounted on a U shaped cantilever beam, a loading weight is arranged on the fixed test sample fixture, a counter weight is arranged at one end of the U shaped cantilever beam, a linear displacement sensor is symmetrically arranged on the U shaped cantilever beam, a radial feeding system is fixed on the casing, an adjusting rotation shaft is disposed above the radial feeding system, and the U shaped cantilever beam is connected with the adjusting rotation shaft via a connection member. The invention adopts induction heating manner to directly generate heat on a workpiece surface and provide high power density, can achieve the temperature required for testing in short time, and has features of high heating efficiency, high speed, simple heating part and flexible control.

Description

technical field [0001] The invention relates to the technical field of friction and wear testing machines, in particular to a thin-film high-temperature friction and wear testing device, which can obtain high temperature quickly, uniformly and efficiently by means of induction heating, and is especially suitable for working conditions requiring fast, uniform and high-efficiency heating. technical background [0002] With the development of automobile, aviation, aerospace and other industries, the friction and wear properties of materials under high temperature conditions are becoming more and more important. In order to meet the research needs of engineering applications, it is necessary to design an applicable high temperature friction and wear testing machine to simulate the actual use conditions of materials. friction and wear performance. Convenient operation, reliable data, and stable performance are the characteristics that a high-temperature friction and wear testing ...

AI Technical Summary

Problems solved by technology

At present, the heating method of the general-purpose high-temperature friction and wear testing machine usually adopts the resistance heating method, the heating speed is slow, the heating efficiency is low, the time required for heating up is as long as several hours, and the energy consumption is large; The thermal influence of the rotating spindle and rolling bearings is large; at the same time, the overall heating method of the moving mechanism is adopted. Due to the difficulty in selecting materials for the transmission spindle, rolling bearings and other parts of the friction and wear testing machine, the maximum heating temperature is limited, so a new heating method is required. Rapid and efficient heating of the sample disk surface

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