Metal material thermal friction performance test bench
A technology of metal materials and thermal friction, applied in the direction of analyzing materials, measuring devices, instruments, etc., to achieve the effects of stable work, convenient use, and accurate test results
Active Publication Date: 2018-08-21
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology
At present, various enterprises do not have practical and reasonable methods and test benches that can accurately detect the thermal friction coefficient of metal materials. They can only rely on human experience and repeated comparisons and explorations in the molding process to obtain approximate thermal friction coefficients.
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[0018] The metal material thermal friction coefficient test bench of the present invention is mainly composed of an aluminum alloy frame 3, a tubular electric furnace 1, a pressing mechanism, a clamping and pulling mechanism, and a base 4. The tubular electric furnace 1 is fixed on the aluminum alloy frame 3 and pressed down The mechanism and the clamping and pulling mechanism are fixed on the upper surface of the base 4, and the base 4 is fixed on the aluminum alloy frame 3.
[0019] The pressing mechanism is mainly composed of pressing support 5, pressing sliding block 6 (9), pressing guide 7, pressing connection block 8, oil cylinder mounting plate 10, pressing oil cylinder 11, infrared temperature sensor 12, temperature sensor mounting bracket 13. Lower pressure ball head 14, spring 15, upper pressure block 16, lower pressure block 17, lower pressure support block 18, and shear force sensor 19; the lower pressure support 5 and shear force sensor 19 are fixed on the base 4 On ...
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The invention relates to a heat friction performance test bed of metal materials, which is particularly applied for detecting heat friction coefficients of different metal materials under the conditions of different temperatures, loads and pulling speeds. In the event of testing, a strip-shaped metal material passes through a heating channel hole of an electric tube furnace, and a square hole in the vertical surface of a downward pressed support base; one end of the strip-shaped metal material is tightly clamped by upper and lower clamping plates on a clamping and pulling mechanism; after the strip-shaped metal material is heated to required temperature, a downward pressing oil cylinder of a downward pressing mechanism is started; a piston rod extends out; given pressure is applied to the strip-shaped metal material through an upper pressure block; a servo motor of the clamping and pulling mechanism is driven, so that a screw rotates; then, the strip-shaped metal material is driven to linearly move along with a ball nut at a certain speed; downward pressing force is detected through a shear force sensor in real time in the testing process; pulling force is detected in real time through a pulling force sensor; and thus, by means of operating and processing, heat friction coefficients of the strip-shaped metal material can be obtained by accurate detection. The heat friction performance test bed of the metal materials disclosed by the invention is also applied to heat friction performance tests of other materials.
Description
Technical field [0001] The invention relates to a metal material thermal friction performance test bench, which is particularly suitable for detecting the thermal friction coefficient of different metal materials under different temperature, load, and pulling speed conditions. Background technique [0002] The thermal friction coefficient of metal materials is a very critical factor in various forming processes. Currently, companies do not have practical and reasonable methods and test benches that can accurately detect the thermal friction coefficient of metal materials. They can only rely on human experience and repeated comparisons and explorations in the molding process to obtain an approximate thermal friction coefficient. For a variety of new metal alloy materials, it takes a long time to compare and explore to get the thermal friction coefficient of the material. Summary of the invention [0003] The technical problem solved by the present invention is to provide a metal m...
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IPC IPC(8): G01N19/02
Inventor 杨孟涛唐家兵徐子晟
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY