Rubber plastic sliding friction and wear testing machine related introduction
Working principle of sliding friction and wear testing machine
The to-be-ground layer of the sample and the friction paper are rubbed against each other at a prescribed speed under the action of a load friction body. The wear resistance of the ink layer (or coating) is judged by measuring the decrease in density (or the decrease in coating thickness) before and after rubbing.
The sliding friction and wear testing machine adopts microcomputer control, LCD dynamic display, and electromechanical integration principles to carry out the set friction test. Before the test, input the number of frictions required by the test standard or the operator's self-determination into the control system. The test can be automatically controlled and beeped after each test. The control system has a power-off memory function, that is, after each power-on, the state of the parameters entered before the last power-off is maintained.
Main part of sliding friction and wear testing machine
1. Spindle and drive system: mainly composed of AC motor, arc toothed belt, arc toothed pulley, tachometer gear, photoelectric encoder, spindle, centripetal thrust spindle, spindle speed measurement control system, spindle speed measurement display system Etc.
2. Hydraulic force application system: hydraulic oil source, oil cylinder, plunger and test force measurement control system constitute the force application system of the test machine.
3. Friction pair: pin-disk friction pair, long-time four-ball friction pair, thrust ring friction pair, ball three-piece friction pair, ball-disk friction pair, etc.
4. Spring-type microcomputer force application system: the test force is applied automatically through the spring-type force application structure and microcomputer-controlled stepper motor system
5. Test machine control panel system: the control box of the test machine is a computer monitor on the right side above the base. Open the back cover to see the computer control box, and the operation of the testing machine can be realized by setting the corresponding parameters.
The rubber-plastic sliding friction and wear testing machine is designed and manufactured according to GB3960. It is suitable for the sliding friction and wear performance test of plastic products and rubber products or other composite materials. The friction force, friction coefficient and wear of the sample in the test can also be measured.
The rubber-plastic sliding friction and wear testing machine adopts computer control to display the torque-time curve at the same time, set the number of tests at will, display the current number of tests, set time and current test time and other functions. Print out exquisite test report with curve, table data and test unit name.
Selection range of rubber-plastic sliding friction and wear testing machine
The rubber-plastic sliding friction and wear testing machine can simulate rolling, sliding or sliding-rolling composite motion under a certain contact pressure to complete the point, line and surface friction simulation test. It can be used to evaluate the friction and wear properties of lubricants, metals, plastics, coatings, rubber, ceramics and other materials. It can not only meet the needs of users in the traditional petrochemical industry for research, development, and testing of various high-end series of hydraulic oils, internal combustion engine oils, and gear oils, but also meet the needs of users of new material development and new process research for simulation evaluation tests.
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