CN113432961A - Micro-nano coating multifunctional mechanical testing machine and use method thereof - Google Patents
Micro-nano coating multifunctional mechanical testing machine and use method thereof Download PDFInfo
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- CN113432961A CN113432961A CN202110647765.4A CN202110647765A CN113432961A CN 113432961 A CN113432961 A CN 113432961A CN 202110647765 A CN202110647765 A CN 202110647765A CN 113432961 A CN113432961 A CN 113432961A
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention relates to a micro-nano coating multifunctional mechanical testing machine and a using method thereof, wherein the micro-nano coating multifunctional mechanical testing machine comprises a workbench and a workpiece fixing device, a supporting seat and a liquid storage tank are fixedly arranged on the workbench, a moving block and a transverse driving device for driving the moving block to move in a transverse reciprocating mode are arranged on the supporting seat, a friction assembly and a vertical driving device for providing constant loading force for the friction assembly are arranged above the workpiece fixing device, and the vertical driving device and the moving block are relatively fixedly arranged. The constant loading force loading in the friction test process is realized through the closed-loop control of the loading force, so that the accurate force output is realized; through the insertion connection of the friction assembly and the mounting rod, different types of friction assemblies can be replaced according to test requirements, and the universality of the testing machine is improved; the workpiece is heated through the heating device, so that the friction test requirements of the workpiece at different temperatures are met; through setting up liquid feed pump and liquid bin, make things convenient for accurate control dropping liquid speed.
Description
Technical Field
The invention relates to the technical field of tribology testing, in particular to a micro-nano coating multifunctional mechanical testing machine and a using method thereof.
Background
The friction testing machine is important equipment for researching tribology, a friction head in a friction assembly and the surface of a workpiece are enabled to move relatively by applying certain pressure on the surface of a material, so that friction is generated between the friction head and the surface of the workpiece, a dynamic friction coefficient is obtained according to a friction law, and the friction condition can be observed, so that the workpiece can be tested.
Friction testing machine on the existing market all adopts the weight loading when carrying out the loading, provides pressure for friction pack through the weight of certain quality, and the weight of weight loading theoretical loading power only considers the weight of weight self, does not consider the weight of loading pole and friction pack, makes actual loading power and theoretical loading power inequality, consequently causes the distortion of experimental data.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a micro-nano coating multifunctional mechanical testing machine, which provides constant loading force for a friction assembly and ensures the consistency of actual loading force and theoretical loading force.
The invention is realized by the following technical scheme, and provides a micro-nano coating multifunctional mechanical testing machine which comprises a workbench and a workpiece fixing device fixedly arranged on the workbench, wherein a supporting seat and a liquid storage tank are fixedly arranged on the workbench;
still include the liquid feed pump, the inlet of liquid feed pump is connected with the inlet fluid pipeline that extends to the liquid bin, and the liquid outlet of liquid feed pump is connected with the liquid outlet pipe who extends to the work piece top.
The testing machine of this scheme is the combined test machine who tests to coating and membrane product, realize the relative motion of friction subassembly and work piece through horizontal drive arrangement's action, provide permanent loading power through vertical drive arrangement, the accuracy of actual loading power has been guaranteed, invariable, liquid such as alcohol can be held to the liquid bin through setting up, thereby realize alcohol friction test, the equipment commonality has been improved, and through the confession liquid of liquid feed pump delivery test liquid, be convenient for to the accurate control of liquid dropping liquid.
And preferably, the device also comprises a three-dimensional force sensor which is positioned below the workpiece and supports the workpiece. According to the optimization scheme, the three-dimensional force sensor is arranged, so that the friction force between the friction assembly and the workpiece can be measured during friction test, and the obtained data is more comprehensive.
As optimizing, workpiece fixing device includes the fixing base with the workstation rigid coupling to and relative first splint and the second splint that set up, set up the chamber of placing three-dimensional force sensor in the fixing base, and three-dimensional force sensor's top is equipped with the mounting panel, and the one end that first splint and second splint are relative is equipped with the centre gripping opening respectively, first splint and mounting panel fixed connection, wear to be equipped with on the second splint with mounting panel threaded connection's screw, be equipped with the draw-in groove that restriction second splint and screw take place axial relative displacement on the screw. The fixing device of the optimized scheme clamps the workpiece through the first clamping plate and the second clamping plate, avoids the workpiece from moving along the transverse direction by arranging the clamping opening, enables the screw and the second clamping plate to rotate relatively through the arrangement of the screw, drives the second clamping plate to move integrally close to or far away from the first clamping plate when the screw is rotated, and is more convenient to clamp the workpiece; the bottom of the three-dimensional force sensor is fixedly connected with the fixing seat through the arrangement of the placing cavity, so that the three-dimensional force sensor is conveniently fixed, and the heating device is convenient to install.
Preferably, the device further comprises a heating device for heating the workpiece. This optimization scheme heats the work piece through setting up heating device, makes the work piece can carry out the friction test under multiple temperature, satisfies the work piece test requirement that the high temperature condition used, has guaranteed the uniformity of test temperature and actual use temperature.
Preferably, the vertical driving device comprises a first electric cylinder vertically fixed on the moving block, the extending end of the first electric cylinder is connected with the mounting rod through a pressure sensor, the friction assembly is detachably mounted at the lower end of the mounting rod, and the pressure sensor is electrically connected with a control system of the first electric cylinder. The friction assembly can be disassembled to replace the friction assembly, so that friction tests of various items such as alcohol, rubber, pencil hardness and the like can be respectively carried out; through setting up pressure sensor, monitor the vertical pressure between friction subassembly and the work piece, the control system of first electric jar has realized loading power closed-loop control according to the action of the vertical drive arrangement of vertical pressure signal adjustment that receives.
Preferably, a jack penetrating through to the lower end is arranged in the mounting rod, the lower end of the mounting rod is fixedly connected with the upper end of the friction assembly in an inserting mode, and a through hole communicated with the liquid outlet pipeline is formed in the side wall of the jack. This optimization scheme has made things convenient for friction pack to insert with the installation pole and has established the connection through setting up the jack, and then makes things convenient for the friction pack of different grade type to change to make things convenient for arranging of test liquid supply pipeline, make test liquid from the through-hole get into the jack in, drip to the friction test position by the jack.
Preferably, the mounting rod is connected with the workbench in a sliding mode through a linear guide rail set. This optimization scheme is through setting up linear guide group, provides the direction for the vertical removal of installation pole, guarantees the stability that friction pack reciprocated.
Preferably, the workbench comprises a base and a vertical mounting plate fixedly connected to the top of the base, and the liquid storage tank and the supporting seat are respectively and fixedly connected to two sides of the vertical mounting plate. The electric part can be conveniently placed through the base that sets up to this optimization scheme's workstation, has realized the improvement of supporting seat position through setting up vertical mounting panel, makes things convenient for the structural arrangement, sets up the bin at the opposite side of supporting seat, makes vertical mounting panel both sides balanced to holistic stability has been improved.
Preferably, a protective shell covers the upper portion of the base, a liquid filling opening located above the liquid storage tank is formed in a top plate of the protective shell, and a protective door located on the side where the workpiece fixing device is located is arranged on a side plate of the protective shell. This optimization scheme plays the guard action when experimental through setting up protective housing, improves the security of using, through setting up liquid filling port, conveniently toward filling liquid in the liquid storage tank.
The scheme also provides a using method of the micro-nano coating multifunctional mechanical testing machine, which comprises the following steps:
1. a constant loading force is provided for the friction assembly through the vertical driving device, so that the vertical pressure of the friction assembly on the workpiece is kept constant, and the actual loading force is consistent with the theoretical loading force;
2. the workpiece is heated through the heating device, and friction tests are performed on the workpiece at various temperatures, so that the consistency between the friction test temperature and the actual use temperature of the workpiece is realized, the friction test device is suitable for different temperatures, and the universality of the testing machine is improved;
3. the liquid with friction test is provided by the liquid supply pump, and the liquid dropping speed is controlled by controlling the rotating speed of the liquid supply pump, so that compared with the manual visual control in the prior art, the accuracy of quantitative control is greatly improved;
4. the friction force between the two workpieces is measured through the three-dimensional force sensor, and the obtained data are more comprehensive;
5. through the detachable connection of the friction force assembly and the installation rod, various friction assemblies are replaced according to test requirements, and the passing performance of the testing machine is greatly improved.
The invention has the beneficial effects that:
1. by closed-loop control of the loading force, constant loading force loading in the friction test process is realized, accurate force output is realized, and the consistency of the actual loading force and the theoretical loading force is ensured;
2. through the insertion connection and the disassembly of the friction assembly and the mounting rod, different types of friction assemblies can be replaced according to test requirements, and the universality of the testing machine is improved;
3. the workpiece is heated by the arranged heating device, so that the friction test requirements of the workpiece at different temperatures are met;
4. through setting up liquid feed pump and liquid storage case, realized the storage and the confession of liquid to convenient accurate control dropping liquid speed has realized the friction test of liquid such as alcohol.
5. A reciprocating mechanism: the loading force control mechanism is driven by the high-precision electric cylinder to reciprocate on the surface of the workpiece, so that reciprocating friction among the workpieces is realized, and the reciprocating stroke is controlled accurately; the reciprocating motion of the friction tester in the prior art is controlled by an eccentric wheel, and the stroke cannot be accurately adjusted;
6. a USB data interface is adopted to realize test data interaction;
7. friction measurement mechanism: the machine realizes the measurement of the friction force between two workpieces by arranging the three-dimensional force sensor at the bottom when reciprocating friction motion is carried out, and the measured friction force value and the change curve are displayed on the touch screen; the friction testing machine in the prior art can only carry out friction testing and has no friction force measuring function.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention with the protective housing removed;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a schematic view of a connection structure of the vertical driving device and the friction assembly;
FIG. 5 is an isometric view of FIG. 4;
FIG. 6 is a schematic view of a workpiece fixture;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a cross-sectional view of FIG. 6;
shown in the figure:
1. the device comprises a protective door, 2, a liquid filling port, 3, a vertical mounting plate, 4, a supporting seat, 5, a transverse driving device, 6, a liquid storage tank, 7, a vertical driving device, 8, a moving block, 9, a friction assembly, 10, a workpiece fixing device, 11, a workbench, 12, a linear guide rail set, 13, a pressure sensor, 14, a mounting rod, 15, a fixed seat, 16, a mounting plate, 17, a screw, 18, a second clamping plate, 19, a lower workpiece, 20, a first clamping plate, 21, a displacement table, 22 and a three-dimensional force sensor.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 2, the micro-nano coating multifunctional mechanical testing machine comprises a workbench 11 and a workpiece fixing device 10 fixedly arranged on the workbench, wherein the workbench comprises a base and a vertical mounting plate 3 fixedly connected to the top of the base, a protective shell is covered above the base, a protective door 1 located on the side of the workpiece fixing device is arranged on a side plate of the protective shell, the protective door is opened to clamp and mount a friction component on a workpiece, and when a friction test is performed, the protective door is closed to ensure the safety of the test.
Supporting seat 4 and liquid storage tank 6 have set firmly on the base of workstation, and both sides around vertical mounting panel are fixed connected to liquid storage tank and supporting seat rigid coupling respectively, have improved vertical mounting panel 3's stress balance, set up the U type window from top downwardly extending on the vertical mounting panel between liquid storage tank and the supporting seat, have alleviateed weight to reduce the focus, improved vertical mounting panel's stability. A liquid filling port 2 positioned above the liquid storage tank is formed in a top plate of the protective shell, so that test liquid can be conveniently filled into the liquid storage tank.
The supporting seat 4 is provided with a moving block 8 and a transverse driving device 5 for driving the moving block to move in a transverse reciprocating mode, a friction assembly 9 and a vertical driving device 7 for providing constant loading force for the friction assembly are arranged above a workpiece fixing device 10, and the vertical driving device and the moving block are fixed relatively. Specifically, the transverse driving device is a second high-precision electric cylinder which is horizontally arranged, a cylinder body of the second high-precision electric cylinder is fixedly connected with the supporting seat 4, a telescopic rod of the second high-precision electric cylinder is connected with the moving block 8, and the second high-precision electric cylinder stretches to drive the moving block 8 to reciprocate; the vertical driving device is a vertically arranged first high-precision electric cylinder, a cylinder body of the first high-precision electric cylinder is fixedly connected with the moving block 8, and a telescopic rod of the first high-precision electric cylinder penetrates through the moving block and the supporting seat downwards and then is connected with the mounting rod 14. In order to realize closed-loop control of the loading force, the extending end of the first high-precision electric cylinder is connected with the mounting rod 14 through the pressure sensor 13, the pressure sensor is electrically connected with the control system of the first high-precision electric cylinder, a pressure signal measured by the pressure sensor is fed back to the control system of the first high-precision electric cylinder, and the control system adjusts the action of the first high-precision electric cylinder according to the pressure signal so as to ensure the constancy of the loading force.
The friction assembly 9 is detachably mounted at the lower end of the mounting rod 14, a jack penetrating through to the lower end is arranged in the mounting rod, the lower end of the mounting rod is fixedly connected with the upper end of the friction assembly in an inserting mode, and a through hole communicated with the liquid outlet pipeline is formed in the side wall of the jack. The tester can replace different friction components according to test requirements, so that alcohol, rubber and pencil hardness friction tests and ball-ring friction tests are respectively carried out; the friction testing machine in the prior art can not meet the above 3 tests simultaneously, and the testing machine can be expanded to perform other project tests except the above 3 tests according to the customer requirements. In order to guarantee the stability of the up-and-down moving end of the friction component, the linear guide rail set 12 is arranged on the workbench, the installation rod is connected with the workbench in a sliding mode, specifically, the installation rod penetrates through the sliding block of the linear guide rail set and is fixedly connected with the sliding block, and the guide rail of the linear guide rail set is fixedly connected with the vertical installation plate 3 of the workbench.
The three-dimensional force sensor 22 is positioned below the workpiece and used for supporting the workpiece, the heating device is used for heating the workpiece, the three-dimensional force sensor 22 and the heating device are both installed in the workpiece fixing device, the heating device adopts an electric heating pipe, the workpiece fixing device is installed on a displacement table, the displacement table is installed on the top surface of the workbench, the displacement table is operated to realize the movement of the workpiece fixing position in the X, Y direction, and the test position is convenient to replace and adjust. Specifically, the workpiece fixing device comprises a fixing seat 15 fixedly connected with the top surface of the displacement table, and a first clamping plate 20 and a second clamping plate 18 which are arranged oppositely, a placing cavity for placing the three-dimensional force sensor is formed in the fixing seat, a mounting plate 16 is arranged at the top of the three-dimensional force sensor, an electric heating pipe is arranged on the mounting plate in a penetrating mode, the lower workpiece 19 is heated through the electric heating pipe, and the bottom of the three-dimensional force sensor is fixedly connected with the fixing seat. First splint and the relative one end of second splint are equipped with the centre gripping opening respectively, first splint 20 and mounting panel 16 fixed connection, wear to be equipped with the screw 17 with mounting panel threaded connection on the second splint 18, be equipped with the draw-in groove that restriction second splint and screw take place axial relative displacement on the screw 17, the screw can rotate relatively with the second splint, concretely, be equipped with the draw-in groove on the screw, the second splint is including the punch holder that is provided with the centre gripping opening, with the lower plate of being connected through bolt and punch holder, the base of punch holder and the top edge of lower plate form the card hole with the draw-in groove adaptation, card hole diameter is less than the lead screw external diameter. First splint 20, second splint 18, screw 17 and lower part work piece 19 are all installed on the mounting panel to this embodiment, and the mounting panel is placed in three-dimensional force sensor top, supports the whole of first splint 20, second splint 18, screw 17, lower part work piece 19 and mounting panel 16 constitution by three-dimensional force sensor, both make things convenient for whole to pull down overhauls three-dimensional force sensor, also make things convenient for the frictional force to measure. The mounting plate and the placing cavity are rectangular to prevent the mounting plate from rotating.
The testing machine of this embodiment is still including fixed the liquid feed pump that sets up in vertical mounting panel, the inlet of liquid feed pump is connected with the inlet channel who extends to the liquid bin, and the liquid outlet of liquid feed pump is connected with the drain pipe who extends to the work piece top.
The electrical control part of this embodiment testing machine sets up in the base of workstation to realize experimental data interaction through USB data interface, electric line connection is simple and convenient. Set up the touch-sensitive screen on the workstation, data such as loading power numerical value, frictional force numerical value, liquid dropping liquid speed show through the touch-sensitive screen, and the operating personnel of being convenient for carries out data analysis to the friction process.
When the micro-nano coating multifunctional mechanical testing machine is used, a high-precision electric cylinder drives a loading force control mechanism to reciprocate on the surface of a workpiece, reciprocating friction among the workpieces is realized, the reciprocating stroke is accurately controlled, and the repeated positioning precision can reach +/-0.02 mm; the reciprocating motion of the friction tester in the prior art is generally controlled by an eccentric wheel, and the stroke cannot be accurately adjusted.
The invention discloses a micro-nano coating multifunctional mechanical testing machine, which is a comprehensive testing machine specially used for testing coatings and film products, and integrates a pencil experiment, a friction experiment and an alcohol saline experiment, wherein the pencil experiment is essentially a hardness experiment. The using method of the micro-nano coating multifunctional mechanical testing machine comprises the following steps:
1. a loading force closed-loop control mechanism: the machine adopts an electric mechanism for loading, stepless adjustment is carried out in a force range, the numerical value of the loading force can realize automatic closed-loop feedback control, accurate force output is realized, the numerical value of the loading force is displayed on a touch screen, and particularly, constant loading force is provided for a friction assembly through a vertical driving device, so that the vertical pressure of the friction assembly on a workpiece is kept constant; the pressure sensor monitors the pressure of the friction assembly on the workpiece, when the pressure is smaller than a set value, the vertical driving device drives the friction assembly to move downwards, and when the pressure is larger than the set value, the vertical driving device drives the friction assembly to move upwards, so that the loading force of the friction assembly on the workpiece is kept constant, and the accuracy of a friction test is improved; in the prior art, the loading force control of the friction testing machine is realized by adding weights with different weights during loading, the influence of other factors on the numerical value of the loading force cannot be eliminated, and the actual loading force is not equal to the theoretical loading force;
2. heating the workpiece by a heating device, and performing friction tests on the workpiece at various temperatures; the temperature during the test is consistent with the actual use state of the workpiece, and the authenticity of test data is improved; the temperature control of the lower workpiece is realized, the temperature control range is room temperature-150 ℃, and the test requirements under different temperature working conditions are met;
3. according to the test requirement, friction test liquid is supplied by the liquid supply pump, and the liquid dropping speed is controlled by controlling the rotating speed of the liquid supply pump, so that the accurate control of the liquid dropping speed is realized, the control of dropping precision by human factors is eliminated, and the control precision can reach 0.0017-41 ml/min; in the prior art, the liquid dropping speed of the friction testing machine is controlled by artificial sensory visual control, and accurate quantitative control cannot be realized;
4. the three-dimensional force sensor is arranged at the bottom, so that the friction force between two workpieces is measured when reciprocating friction motion is carried out, and the measured friction force value is displayed on the touch screen; the friction testing machine in the prior art can only carry out friction testing and has no friction force measuring function;
5. through the detachable connection of the friction force assembly and the installation rod, various friction assemblies are replaced according to test requirements, and alcohol, rubber and pencil hardness friction tests and ball-ring friction tests are respectively carried out.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a receive multi-functional mechanical testing machine of coating a little, includes workstation (11) and sets firmly work piece fixing device (10) on the workstation, its characterized in that: a supporting seat (4) and a liquid storage tank (6) are fixedly arranged on the workbench, a moving block (8) and a transverse driving device (5) for driving the moving block to move transversely in a reciprocating manner are arranged on the supporting seat (4), a friction assembly (9) and a vertical driving device (7) for providing constant loading force for the friction assembly are arranged above a workpiece fixing device (10), and the vertical driving device and the moving block are relatively fixedly arranged;
still include the liquid feed pump, the inlet of liquid feed pump is connected with the inlet fluid pipeline that extends to the liquid bin, and the liquid outlet of liquid feed pump is connected with the liquid outlet pipe who extends to the work piece top.
2. The micro-nano coating multifunctional mechanical testing machine according to claim 1, is characterized in that: also included is a three-dimensional force sensor positioned below and supporting the workpiece.
3. The micro-nano coating multifunctional mechanical testing machine according to claim 2, is characterized in that: workpiece fixing device include with fixing base (15) of workstation rigid coupling to and relative first splint (20) and second splint (18) that set up, set up the chamber of placing three-dimensional force sensor in the fixing base, three-dimensional force sensor's top is equipped with mounting panel (16), the one end that first splint and second splint are relative is equipped with the centre gripping opening respectively, first splint (20) and mounting panel (16) fixed connection, wear to be equipped with screw (17) with mounting panel threaded connection on second splint (18), be equipped with the draw-in groove that restriction second splint and screw take place axial relative displacement on screw (17).
4. The micro-nano coating multifunctional mechanical testing machine according to claim 1, is characterized in that: the device also comprises a heating device for heating the workpiece.
5. The micro-nano coating multifunctional mechanical testing machine according to claim 1, is characterized in that: the vertical driving device comprises a first electric cylinder vertically fixed on the moving block, the extending end of the first electric cylinder is connected with a mounting rod (14) through a pressure sensor (13), the lower end of the mounting rod (14) is detachably provided with the friction assembly (9), and the pressure sensor is electrically connected with a control system of the first electric cylinder.
6. The micro-nano coating multifunctional mechanical testing machine according to claim 5, is characterized in that: the mounting rod is internally provided with a jack which penetrates through to the lower end, the lower end of the mounting rod is fixedly connected with the upper end of the friction assembly in an inserting mode, and the side wall of the jack is provided with a through hole communicated with the liquid outlet pipeline.
7. The micro-nano coating multifunctional mechanical testing machine according to claim 5, is characterized in that: the mounting rod is connected with the workbench in a sliding mode through a linear guide rail set (12).
8. The micro-nano coating multifunctional mechanical testing machine according to claim 1, is characterized in that: the workbench comprises a base and a vertical mounting plate (3) fixedly connected to the top of the base, and the liquid storage tank and the supporting seat are respectively and fixedly connected to two sides of the vertical mounting plate.
9. The micro-nano coating multifunctional mechanical testing machine according to claim 8, is characterized in that: the base top cover is equipped with protective housing, sets up on protective housing's the roof and is located liquid filling mouth (2) of liquid storage tank top, is equipped with on protective housing's the curb plate and is located protective door (1) of work piece fixing device place side.
10. The use method of the micro-nano coating multifunctional mechanical testing machine is characterized by comprising the following steps:
(1) a vertical driving device provides constant loading force for the friction assembly, so that the vertical pressure of the friction assembly on the workpiece is kept constant;
(2) heating the workpiece by a heating device, and performing friction tests on the workpiece at various temperatures;
(3) providing friction test liquid by a liquid supply pump, and controlling the liquid dropping speed by controlling the rotating speed of the liquid supply pump;
(4) measuring the friction force between the two workpieces through a three-dimensional force sensor;
(5) through the detachable connection of the friction force assembly and the installation rod, various friction assemblies are replaced according to test requirements.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114383965A (en) * | 2022-01-10 | 2022-04-22 | 吉林大学重庆研究院 | Fixed-load multi-grinding-surface type porous material sliding friction wear testing device and method |
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| CN211179386U (en) * | 2019-10-28 | 2020-08-04 | 湖北世丰汽车内饰有限公司 | Multifunctional alcohol wear-resistant wiping machine |
| CN212110998U (en) * | 2019-12-27 | 2020-12-08 | 绍兴上虞宇强塑料制品有限公司 | Abrasion resistance testing machine |
| CN212180425U (en) * | 2020-03-16 | 2020-12-18 | 昆山万杰新材料科技有限公司 | Elastic resin friction resistance testing machine |
| CN213091418U (en) * | 2020-06-28 | 2021-04-30 | 佛山智强光电有限公司 | Reciprocating push-pull workpiece detection tool |
| AU2020102029A4 (en) * | 2020-08-28 | 2020-10-08 | Ocean University Of China | Sliding friction and wear tester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114383965A (en) * | 2022-01-10 | 2022-04-22 | 吉林大学重庆研究院 | Fixed-load multi-grinding-surface type porous material sliding friction wear testing device and method |
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