246 results about "Wear testing" patented technology

The invention discloses an axial-radial integrated loading rotating shaft bush high-temperature swing friction-wear testing machine, and belongs to the technical field of friction-wear testing, the axial-radial integrated loading rotating shaft bush high-temperature swing friction-wear testing machine comprises a bottom plate, a loading module is arranged on the bottom plate, one side of the loading module is connected with a high-temperature clamp module, one side of the high-temperature clamp module is connected with a motion generation module, and the motion generation module is connected with the loading module. One side of the motion generation module is connected with an electric control box body, and one side of the electric control box body is connected with a control computer. According to the axial-radial integrated loading rotating shaft bush high-temperature swing friction wear testing machine disclosed by the invention, synchronous application of an axial load and a radial load is realized through cooperative control of double stepping motors in the loading module; meanwhile, the influence of the coupling on torque measurement is effectively eliminated through the self-designed coupling, and the accuracy of synchronous application is improved.

The invention relates to a real-time wear test device for a cardiovascular implant mitral valve / tricuspid valve, which comprises a plurality of test mechanisms, and each test mechanism comprises a first compliance adjusting module, a second compliance adjusting module, a liquid flowing pipeline and a driving module, a valve carrier module and a return pipe are connected between the second compliance adjusting module and the first compliance adjusting module; one end of the liquid flowing pipeline is communicated with the first compliance adjusting module, and the other end is connected with the driving module; test liquid sequentially flows through the liquid flowing pipeline, the first compliance adjusting module, the backflow pipe, the second compliance adjusting module and the valve carrier module and flows back into the first compliance adjusting module and the liquid flowing pipeline so as to perform circulating reciprocating motion. According to the invention, a test environment highly similar to human physiological conditions can be simulated, so that the credibility and the accuracy of test results of the mitral valve and the tricuspid valve are ensured, and a real and reliable basis is provided for evaluating the service life of the mitral valve and the tricuspid valve.

This invention discloses a wear and tear testing device for textile materials, comprising a chamber and a rotating device within the chamber. An air diffuser is positioned at a specific location on the agitator of the rotating device, with the air diffuser direction at a 55-degree angle to the plane of the agitator. The diameter of the air diffuser is 1.2 mm. Pressure values ​​are set to suit different ranges of textile materials with varying unit surface mass. When the force value displayed by the sensor fluctuates within ±1% for 1.0 s, an alarm sounds. By setting parameters that correspond to the state of the chamber and the textile material, the testing time for textile material wear and tear testing is reduced. A locking device on the rotating position improves automation and testing accuracy.

This invention provides a testing device and method for corrosion and wear testing of sliding guide rails under corrosive environments. The device includes a support module, a drive module, a guide rail, a test slider, a tension sensor, a pull rod, and a test tank module. The test slider is slidably mounted on the guide rail and contains a counterweight to simulate a load. The drive module drives the pull rod to slide along the length of the guide rail. The tension sensor is connected between the pull rod and the test slider. The test tank module holds the test solution to simulate a corrosive environment. This invention features a compact overall structure, simple component installation, and a simple slider force transmission method. It can realistically simulate the corrosion and wear phenomena of the sliding guide rail moving pair under seawater conditions. Furthermore, the adjustable counterweight and replaceable test solution enable this invention to conduct corrosion and wear tests on moving pairs under different load conditions and corrosive environments.

The invention relates to a high / low temperature wear-corrosion coupling damage test device and a quantitative evaluation method, and belongs to the technical field of wear corrosion test and material failure analysis. The device comprises a temperature-controllable corrosion test tank, a friction-wear test machine, an electrochemical workstation and a high-low temperature external circulation temperature controller, the temperature-controllable corrosion test tank is arranged on the friction-wear test machine, and friction-wear performance testing is achieved through reciprocating motion of the friction-wear test machine. And the temperature-controllable corrosion test tank is externally connected with an electrochemical workstation and a high-low temperature external circulation temperature controller and is used for testing corrosion performance and controlling temperature. According to the invention, high-precision testing and quantitative analysis of abrasion and corrosion of the metal-based material in high and low temperature environments are realized.

The invention discloses a wear test device for reciprocating dynamic sealing of an actuator cylinder, and belongs to the technical field of actuator cylinder sealing wear test equipment.The wear test device comprises a main frame body and a test mechanism movably connected to the main frame body, a replaceable to-be-tested actuator cylinder structure is arranged on one side of the main frame body, and the test mechanism comprises a moving rod; the upper end and the lower end of the moving rod are provided with a limiting assembly and a counterweight assembly respectively, the moving rod is provided with a connecting piece, and the connecting piece is hinged to one end of a piston rod in the actuator cylinder structure to be tested. According to the method, the conventional motion of the output end of the actuator cylinder in a static state and the external non-axial acting force borne by the output end of the actuator cylinder in a dynamic state can be simulated, the reliability of the sealing ring in actual work can be comprehensively evaluated through combination of the two, verification is carried out from multiple dimensions, potential risks can be found, and the requirements of safety specifications in the fields of aviation, industry and the like are better met.

The invention relates to the field of wear resistance testing, in particular to an automatic testing method and testing equipment for wear resistance of a mobile phone protective film. According to the method, firstly, in the process that a polishing wheel rotates at different rotating speeds, abrasive paper of different mesh numbers and types is used for polishing the mobile phone protective film, and the target abrasive paper is combined with the mesh number of the target abrasive paper, rotating speed data of the target abrasive paper during polishing of the mobile phone protective film every time and a surface image of the mobile phone protective film after polishing of the target abrasive paper every time; the grinding effect value of the target abrasive paper during grinding of the mobile phone protective film each time is obtained according to the target abrasive paper and the surface distance between the mobile phone protective film and the grinding wheel after grinding of the target abrasive paper each time, and a sequence formed by the grinding effect values of all the abrasive paper during grinding of the mobile phone protective film each time is subjected to time sequence decomposition; and evaluating the wear resistance of the mobile phone protective film according to the data change of the trend term and the data distribution level of the residual term obtained through decomposition. According to the invention, the wear resistance of the mobile phone protective film can be evaluated more comprehensively and accurately.

The application discloses a high-bearing-column-piston pump friction pair friction and wear testing machine, wherein the lower sample is installed on a lower sample clamp, the lower end of the lower sample clamp is provided with a lifting mechanism for driving the vertical movement of the lower sample to make the lower sample contact or separate from the upper sample, and the upper end of the upper sample is connected with a rotary driving device for driving the rotation of the upper sample through an upper sample clamp. The loading of the testing machine is matched with a lead screw through an optimized mechanical structure design, the loading precision is high, the accuracy of experimental results is improved, stepless loading can be realized, and the testing machine is suitable for the friction and wear characteristic research of friction pairs under various pressures; the testing machine is provided with an oil collecting mechanism, the oil at any moment during the experiment can be collected, the change of the physicochemical indexes of the oil during the whole experiment can be detected, and the influence of the change of the physicochemical indexes of the oil on the friction and wear of the friction pair can be accurately analyzed.

The invention provides a friction and wear test device suitable for shaft seats of multiple specifications and a use method. The device comprises a test table board, an assembly type clamp, a crank-link mechanism and an oil cylinder loading system, the assembly type clamp is arranged on the test bench surface and is used for clamping the dual shaft; the dual shaft is used for mounting a shaft seat tested piece; the assembly type clamp comprises an inner side bearing base and an outer side bearing base which are both movably installed on the test bench surface. The dual shaft is rotationally connected with the crank connecting rod mechanism, so that the swing friction test of the dual shaft in the shaft seat tested piece is realized; and the oil cylinder loading system is arranged below the shaft seat tested piece and is used for providing radial pressure for the shaft seat tested piece. The distance between the inner bearing base and the outer bearing base can be adjusted through the inner bearing base and the outer bearing base which are movably mounted on the test bench surface, so that the device adapts to shaft seats with different lengths and is used for friction and wear tests of shaft seats with multiple specifications.

The present invention discloses a micro-friction and wear testing device and method for aviation transmission components, which belongs to the field of aerospace manufacturing. The device comprises a support assembly, an axial force loading assembly, a lateral vibration assembly, a first test piece and a second test piece. The support assembly comprises a vibration platform, a first support and a second support, the first support is fixed on the vibration platform, the axial force loading assembly comprises a sliding plate, a servo motor, a lead screw and a nut, the sliding plate is slidably connected to the vibration platform, the servo motor is connected to the lead screw, the nut is fixedly connected to the sliding plate, and the second support is fixed on the sliding plate; the lateral vibration assembly comprises a variable frequency motor, an eccentric wheel, a connecting rod, a vibration rod and a limit plate, the variable frequency motor is fixed on the sliding plate, the eccentric wheel comprises a rotating shaft and an eccentric shaft, the variable frequency motor is transmission-connected to the rotating shaft, one end of the connecting rod is rotationally connected to the eccentric shaft, and the other end is rotationally connected to the vibration rod, thereby simulating the working condition of the aviation transmission component in a lateral vibration environment.

The invention relates to the technical field of semiconductor manufacturing, and particularly discloses a method for evaluating and verifying material performance of a key component in a photoetching machine, which comprises the following steps of: S1, performing a simulation test on a novel material through a vacuum outgassing rate module to predict whether the vacuum outgassing rate of the novel material meets a vacuum environment stability requirement or not; s2, manufacturing a sample block corresponding to the novel material, and performing a counter-abrasion test on the sample block through a frictional wear test module so as to test whether the friction performance of the sample block meets the wear resistance requirement or not; and S3, replacing the material of the key part of the photoetching machine with the verified novel material, and carrying out complete machine version transfer test on the photoetching machine to evaluate the stability of the key part of the novel material in the real working environment and the complete machine matching degree. According to the invention, the problems that the cost is high and the safety risk is very easy to occur in the testing process due to complete machine testing when new materials of key parts are optimized, screened, evaluated and verified can be solved.

A test method for anti-slip long effectiveness of an anti-slip ceramic tile. The test method includes: performing a wear test on a testing surface of a to-be-tested anti-slip ceramic tile; performing an anti-slip performance test on the worn testing surface, to obtain a wear test value; and determining an anti-slip long effectiveness grade of the to-be-tested anti-slip ceramic tile according to the wear test value. In the embodiments, the worn to-be-tested anti-slip ceramic tile is subjected to the anti-slip performance test, to obtain the anti-slip long effectiveness grade, thus explaining the performance of the worn anti-slip ceramic tile, which is conductive to determining the long effectiveness anti-slip performance of the anti-slip ceramic tile, and provides the long effectiveness anti-slip performance test method and determination basis for the manufacturing of the anti-slip ceramic tile.

The utility model provides a novel flow distribution and wear testing device, include: linear force motor (1), valve core (2), through rod (4), reflector disc (5), laser displacement sensor (8), through rod (4) is connected with linear force motor (1), is driven by linear force motor (1) and does linear motion, valve core (2) is set up on through rod (4), and through rod (4) end is provided with reflector disc (5), laser displacement sensor (8) is set up to reflector disc (5) and is consistent with reflector disc (5) height, is used for emitting laser to reflector disc (5), and obtains the displacement of valve core (2) according to the laser signal of reflection. Can improve the repeatability, stability, accuracy of hydraulic element performance detection, improve the detection efficiency.

The invention discloses a processing method of a storage device, electronic equipment and a storage medium, the storage device is arranged in the electronic equipment after leaving a factory, and the processing method of the storage device comprises the following steps: when the electronic equipment is idle, carrying out wear test on all storage blocks in the storage device; wherein the memory device is not subjected to the wear test before leaving a factory; in the wear test process, responding to failure of executing the test instruction on any storage block, and marking the corresponding storage block as a bad block. Through the method, after the storage device leaves the factory, the wear test is performed on the storage device in the electronic equipment, so that the test task of a production test end on the storage device is reduced, the test cost of the storage device is effectively reduced, in addition, in the wear test process, bad blocks in the storage device can be marked, and the test efficiency is improved. Therefore, data loss caused by writing the data into the bad block is avoided.

The present invention relates to the technical field of wheel-rail double-disc rolling simulation, and specifically discloses a double-disc rolling rail specimen design method that takes into account the effect of bending stress. The present invention realizes the effect of bending stress on the extension of rail rolling contact fatigue cracks on the double-disc rolling specimen, and combines finite element analysis methods and rolling contact fatigue and wear testing machines, SEM scanning electron microscopes and other equipment to analyze the cross-sectional crack morphology and maximum bending stress value σ of the double-disc rolling rail specimen. simRmax The cross-sectional shapes of the specimens are optimized according to the analysis results until the crack morphology of the specimen cross section is close to the crack morphology of the rail cross section after field service, and the total height H of the simulated beam cross section of the specimen is continuously modified until it meets σ simRmax =σ Rmax , and then combined with the rolling contact fatigue and wear testing machine to verify the rationality of the test structure again, to ensure that the rolling contact fatigue crack damage of the full-size rail under bending stress can be reproduced in the laboratory.

This utility model discloses an adjustable cantilever for OPC wear testing, including a support base. A positioning column is connected to one side of the support base, and a telescopic groove is formed on the other side. An adjusting column is slidably installed inside the telescopic groove. A drive motor is mounted on one side of the positioning column, and a rotating shaft is rotatably mounted on one side of the adjusting column. Both the output ends of the rotating shaft and the drive motor are connected to support covers. An adjusting frame is provided on the surface of the support base, and a testing cantilever is rotatably installed inside the adjusting frame. A cantilever adjustment mechanism is provided between the testing cantilever and the adjusting frame. This utility model has the following advantages: it stably clamps both ends of the OPC drum to be tested within two support covers. The cantilever adjustment mechanism allows for free adjustment of the testing cantilever, thereby adjusting the testing position and pressure on the OPC drum surface during wear testing. This more accurately simulates the wear condition of OPC in actual use, improving the accuracy and reliability of the measurement results.

The utility model discloses a high pressure oil pipe wear testing machine, including testing machine main part, rubber pipe fixed component, polishing subassembly and drive assembly, rubber pipe fixed component is including rubber pipe fixed spare, polishing subassembly is located the top of rubber pipe fixed component, polishing subassembly at least includes slider assembly, mobile seat, connecting rod, weight and polishing block, the output of drive assembly is connected to one end of rubber pipe fixed component, makes drive assembly control rubber pipe fixed spare rotation, the other output of drive assembly is connected to mobile seat, makes drive assembly control mobile seat along the extension direction of slider assembly and moves, to make polishing block and rubber pipe fixed spare resist and along the extension direction of rubber pipe fixed spare to and fro movement, thus, drive mobile seat and drive polishing block along the accurate reciprocating linear motion of oil pipe length direction, realize the oil pipe on rubber pipe fixed component and carry out friction movement to guarantee the laboratory simulation of oil pipe high efficiency, accurate, reliable.

The present invention discloses a method and device for testing the tangential stiffness of a material friction and wear testing machine system. The method comprises a base, a lifting mechanism, a connecting plate, a micro-electric cylinder, a grating support rod, a loading rod, a frame mounted on the base, a normal load loading mechanism, and a laser interferometer. The lifting mechanism is mounted on the frame, the connecting plate is mounted on the lifting mechanism, and the micro-electric cylinder and grating support rod are both mounted on the connecting plate. The loading rod is connected to the micro-electric cylinder, which drives the loading rod to perform horizontal reciprocating motion. The loading rod is provided with a lower fixture and a grating fixture, and the grating support rod is provided with a grating displacement sensor located above the grating fixture. The normal load loading mechanism is provided with an upper fixture located directly above the lower fixture. The testing device and method provided by the present invention can test the tangential static and dynamic stiffness of a friction and wear testing machine system, and has high testing efficiency and accuracy.

The utility model relates to the field of abrasion testing machines, and discloses a multifunctional reciprocating friction abrasion testing machine which comprises a working table, a supporting frame is fixedly connected to the upper side of the working table, hydraulic rods are fixedly connected to the two sides of the upper portion of the supporting frame, and the output ends of the hydraulic rods are fixedly connected with a supporting plate. The lower side of the supporting plate is fixedly connected with a fixing frame, the upper side of the supporting plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a rotating block, the lower side of the rotating block is fixedly connected with a first rotating plate, and the first rotating plate is rotationally connected with a second rotating plate through a first rotating shaft; and the second rotating plate is rotationally connected with a sliding block through a second rotating shaft. According to the utility model, the to-be-processed product can be conveniently driven to be conveyed, the accuracy of the to-be-processed product during testing is improved, the device has higher precision and repeatability, and consistent results can be obtained in multiple tests.

This invention provides an experimental device for friction and wear testing of an artificial knee joint, belonging to the field of material friction and wear technology. It includes a lifting module, with a femoral clamping module at its top. The femoral clamping module contains a polyurethane elastomer sealed chamber, and a tibial clamping module is connected below this chamber. An intelligent temperature-controlled circulating hydraulic pump is located on one side of the polyurethane elastomer sealed chamber. This invention achieves reciprocating motion through a reversing valve control. Combined with sub-millimeter precision adjustment of the hydraulic actuator and differentiated installation positions, it realizes high-precision flexion, extension, and torsional movements of the artificial knee joint. A stable base load is provided by a central hydraulic loading module, while the unnecessary torque from the dual electromagnetic loading modules cancels each other out. Simultaneously, instantaneous impact force is superimposed on the stable hydraulic load through instantaneous power switching, enriching the loading methods of the experimental device for friction and wear testing of an artificial knee joint.

The application relates to the technical field of acoustic signal processing and fault diagnosis, and discloses an engine alloy component wear testing method and system based on acoustic emission. The method comprises the following steps: acquiring continuous acoustic emission signals of an engine alloy component during operation and dividing the signals into multiple data frames, the signals being collected by an acoustic emission sensor; extracting a spectrum time domain feature set and an energy domain feature set based on a Teager-Kaiser energy operator for each data frame, and concatenating the two feature sets after Z-score standardization to form an initial combined feature; independently clustering in two feature spaces to generate a composite cluster label, and calculating the local covariance matrix of each composite cluster; constructing a sample relation graph with the data frames as nodes, for any two data frames, fusing the Euclidean distance between the initial combined features of the two data frames and the Riemann distance between the local covariance matrices corresponding to the composite cluster labels to which the two data frames belong through a kernel function to obtain an edge weight; and combining part of the labeled samples and determining the wear states of all the data frames through a label propagation algorithm. The application improves the accuracy of wear state recognition.

The utility model discloses a rubber abrasion test device which comprises a machine table, a supporting seat installed on one side of the top end of the machine table, a rotary driving piece installed at the top end of the supporting seat, a coupler installed at one end of the rotary driving piece, a rotating shaft arranged at the end, away from the rotary driving piece, of the coupler, and a frosted disc arranged at the end, away from the coupler, of the rotating shaft. A first bearing seat is arranged at the top end of the machine table below the rotating shaft, a first limiting shaft seat is arranged on the outer side of the rotating shaft above the first bearing seat, the bottom end of the first limiting shaft seat is connected with the top end of the first bearing seat, and an electric cabinet is arranged at the top end of the machine table on one side of the supporting seat. Compared with the prior art, the rubber product abrasion testing device can perform abrasion testing on rubber products of different specifications so as to widen the application range of the testing device, can reduce the phenomenon of displacement generated in the rubber product testing process, achieves the purpose of performing air-cooling heat dissipation on the rubber products, further reduces the phenomenon of high temperature generated by the rubber products, and improves the service life of the rubber products. And the phenomenon of vibration generated in the rotating process of the grinding disc is reduced.

Carbon wear tester for testing and / or monitoring a degree of wear of at least one carbon brush (3a) of a current collector (3), wherein the carbon wear tester is arranged or can be arranged on a conductor line, wherein the carbon wear tester has at least one triggering element (2) and at least one signal generator, characterized in that the at least one triggering element (2) is arranged or can be arranged so as to be adjustable relative to the conductor line, wherein the signal generator (4a) detects the adjustment of the at least one triggering element (2), and that the triggering element (2) and the signal generator (4a) are connected to one another.

The utility model relates to the technical field of shoe sole wear resistance testing, in particular to a clamp damage prevention structure of a shoe sole wear resistance machine, which comprises a base, two sides of the top of the base are provided with clamping parts for clamping two sides of a shoe sole, the middle of the top of the base is provided with a supporting part for supporting the shoe sole, and the upper ends of the clamping parts are provided with clamping heads. A driving part is installed in the base close to the lower end of the clamping part, and the middle of the clamping part is rotationally connected with the base through a pin shaft. According to the clamp damage prevention structure of the shoe sole wear-resisting machine, the clamping components on the two sides of the top of the base are matched with the supporting component in the middle, and a shoe sole can be fixed in multiple directions. The driving component drives the lower end of the clamping component to move, the clamping head tightly presses the side face of a shoe sole according to the lever principle, the supporting height can be flexibly adjusted by combining the jacking component at the bottom of the supporting component, and accurate and stable fixing can be achieved for conventional shoe soles or shoe soles of irregular shapes and different sizes.

The utility model provides a rockshaft and bushing high-temperature repeated rotation wear testing machine, which comprises a rack, a test assembly is arranged on the rack, the test assembly comprises rockshaft clamping devices for clamping rockshafts, a resistance type square high-temperature furnace heating device is arranged between the rockshaft clamping devices, and the resistance type square high-temperature furnace heating device is connected with the rockshaft clamping devices. The rocker arm shaft right clamp is provided with a flange plate cooling water circulation system and is matched with a coupler to be connected with a torque sensor, the torque sensor and a support are connected and installed on a middle-layer plate, friction torque between a rocker arm shaft and a lining is recorded in real time, and a power motor is arranged on a bottom plate. The power motor is connected with the variable-eccentric-distance cam device through the coupler, the variable-eccentric-distance cam device drives the loading assembly to complete up-and-down reciprocating motion and drives the rocker arm shaft to achieve reciprocating motion within a fixed angle, and the force application device is loaded on the lining and connected with the rack to adjust spring force so as to achieve preset torque.

The invention relates to the technical field of vehicle tire testing, and discloses a cyclic working condition construction method, device and equipment for a vehicle tire wear test, and the method comprises the steps: obtaining the original driving data of an actual road test; dividing kinematics fragments by taking a complete start-stop event of the vehicle as a boundary, and extracting motion features of each kinematics fragment; grouping the kinematics fragments and the motion features thereof according to the vehicle speed; performing clustering analysis on each group; screening a plurality of kinematics fragments closest to the clustering center in each class cluster, and constructing a typical kinematics fragment library; selecting candidate kinematics fragments from the typical kinematics fragment library according to a preset cyclic working condition total duration, and splicing the candidate kinematics fragments; and performing optimization selection on the candidate kinematics fragments by taking the condition that the relative deviation between the splicing working condition and the motion characteristics of the original driving data is smaller than a set threshold value as a target to obtain a cyclic working condition. The cyclic working condition constructed by the invention can accurately simulate tire wear under the actual driving condition, and the test accuracy is improved.

This invention belongs to the field of product testing technology, specifically disclosing a rapid clamping type two-dimensional composite motion corrosion and wear testing device and method. It includes a base shell and a robotic arm detachably mounted on the base shell. A movable component is located on one side of the top surface of the base shell. A sealing shell is detachably mounted on top of the base shell, and a carrier is slidably mounted inside the sealing shell. The carrier is used to move the test sample inside the sealing shell. An electrode rod and a friction rod are inserted into the sealing shell, with the friction rod passing through the output end of the robotic arm. During operation, a liquid containing the corrosion test sample is injected into the sealing shell. Subsequently, the electrode rod energizes the interior of the sealing shell, and the movable component, through the carrier, moves the test sample to rub against the friction rod. This device achieves non-contact transmission and dynamic medium control through the synergistic effect of magnetic coupling drive and suction structure, effectively improving the environmental realism, sealing reliability, and ease of operation of corrosion and wear testing.

This invention belongs to the field of knee joint friction testing technology, and discloses a wear testing machine and monitoring method for self-monitoring multi-degree-of-freedom motion of an artificial knee joint. The machine includes a frame and testing components. The testing components include a support base, a hydraulic cylinder, a hydraulic rod, a femoral end assembly, and a third motor. Below the femoral end assembly, a tibial end assembly, a centering platform, a pressure sensor, and a sliding platform are sequentially arranged. A second slide rail parallel to the support base is provided between the sliding platform and the frame. A monitoring device is installed on one corner of the frame near the centering platform. The pressure sensor is sleeved on a torsion shaft, and the other end of the torsion shaft is fixedly connected to a first reducer and a first motor. A crossbeam is fixedly connected to the bottom of the sliding platform, and the crossbeam is connected to a swinging component, which is also connected to a second reducer and a second motor. This invention adopts a design combining hydraulic, electric, and mechanical methods to achieve comprehensive simulation of the real multi-degree-of-freedom motion of the human knee joint.

Disclosed are a friction and wear test system and a friction and wear test method. To reduce the error of measured friction coefficients, the friction and wear test system of the present disclosure includes a rotating shaft, a dynamic specimen mounting structure mounted on the rotating shaft, a first static specimen mounting structure, a first loading module for applying a preset loading force to the first static specimen during the test, and a second static specimen mounting structure arranged directly opposite to the first static specimen mounting structure in the axial direction of the rotating shaft. The second static specimen mounting structure is configured with a second loading module for applying a preset loading force pointing at the dynamic specimen to the second static specimen during the test, so as to at least partially counterbalance the force loaded on the dynamic specimen by the first static specimen during the test.

This invention relates to the field of tire rubber performance testing technology, and more particularly to a method and system for evaluating and predicting the sliding wear of tread rubber under high-torque acceleration / braking conditions in new energy vehicles. The invention measures the wear amount W at a slip ratio s=10 under the same load, speed, temperature, and abrasive conditions on an improved Lambourn slip wear testing machine. 10 W 15 W 20 The slip sensitivity coefficient K was obtained by linear fitting the W-s relationship using the least squares method. slip and intercept b. Based on high slip wear and K slip Constructing evaluation index I for high torque operating conditions HT And by calibrating the model, I HT This is mapped to wear level or equivalent wear mileage. Compared with single slip rate evaluation, this invention can characterize the sensitivity of wear as slip rate increases, enhance the ability to distinguish high slip events, improve the consistency between indoor evaluation and actual vehicle wear, and is applicable to formula screening, process window determination, and mileage prediction.