CN112683714A - Engineering plastic bearing friction and wear testing machine - Google Patents
Engineering plastic bearing friction and wear testing machine Download PDFInfo
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- CN112683714A CN112683714A CN202011632268.9A CN202011632268A CN112683714A CN 112683714 A CN112683714 A CN 112683714A CN 202011632268 A CN202011632268 A CN 202011632268A CN 112683714 A CN112683714 A CN 112683714A
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- 229920006351 engineering plastic Polymers 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000002474 experimental method Methods 0.000 claims abstract description 29
- 238000013480 data collection Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 abstract description 13
- 239000004033 plastic Substances 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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Abstract
The invention belongs to the technical field of bearings, and particularly relates to a friction and wear tester for an engineering plastic bearing. This engineering plastic bearing friction wear test machine, through setting up slave unit, drive arrangement and display control panel, when carrying out the friction experiment, the friction contact pipe the surface is at the inner wall friction rotation of experiment bearing, the friction temperature that can directly perceivedly know the experiment bearing through the sensor display on the display control panel, pressure, torsion, pressure, the data of rotational speed and time, through the work of display controller control speed regulator, better effect of carrying out friction experiment and data collection has been reached, thereby solved current engineering plastic bearing in the use, most all classify through the plastic materials that engineering plastic bearing used, the problem of great deviation can appear often in the in-service use.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a friction and wear tester for an engineering plastic bearing.
Background
The plastic bearings used at present can be generally divided into plastic rolling bearings and plastic sliding bearings; the working principle of the plastic rolling bearing and the plastic sliding bearing can be distinguished by names, the friction generated when the plastic rolling bearing works is rolling friction, and the friction generated when the plastic sliding bearing works is sliding friction; the magnitude of the rolling friction force mainly depends on the manufacturing precision; the magnitude of the frictional force of the plastic sliding bearing depends mainly on the material of the sliding surface of the bearing.
Because engineering plastics have excellent self-lubricating property, wear resistance, low friction and special seizure resistance, etc., even under the condition of poor lubricating condition can normally work, so that it is very ideal as bearing material, but in the course of actual production and manufacture, because the range of bearing application is extensive, and different service environments have different requirements for various properties of bearing, at present most of engineering plastic bearings are classified by using plastic material used for engineering plastic bearings in the course of use, and this classification mode often has larger deviation in the course of actual use, so that it has need of engineering plastic bearing frictional wear tester.
Disclosure of Invention
Based on the technical problems that most of the existing engineering plastic bearings are classified by plastic materials used by the engineering plastic bearings in the using process and large deviation often occurs in the actual using process, the invention provides a friction and wear tester for the engineering plastic bearings.
The invention provides an engineering plastic bearing friction wear tester, which comprises supporting blocks, wherein the surfaces of the supporting blocks are fixedly connected with a fixed box, the two supporting blocks are symmetrically distributed by taking the axis of the fixed box as the center, the surface of the fixed box is fixedly connected with an installation box, the inner wall of the installation box is fixedly connected with a driven device, the driven device comprises an installation block, the surface of the installation block is fixedly connected with the surface of the fixed box, the surface of the installation box is fixedly connected with a display control panel, the surface of the display control panel is respectively and fixedly provided with a rotating speed sensor, a temperature sensor, a time relay, a reset switch, a pressure sensor and a torsion sensor, the reset switch is electrically connected with the time relay through an electric wire, the inner wall of the fixed box is fixedly connected with a driving device, and the driving device comprises a servo motor, the servo motor is fixedly installed on the inner bottom wall of the fixed box.
Preferably, the surfaces of the two mounting blocks are fixedly connected with bearing seats, the inner walls of the bearing seats are fixedly provided with fixed bearings, and the inner rings of the fixed bearings are fixedly connected with rotating shafts.
Preferably, the surface of the rotating shaft is fixedly sleeved with a driven belt pulley, one end of the rotating shaft is fixedly connected with an induction sheet through a bolt, and the surface of the induction sheet is in an L shape.
Preferably, the inner wall fixedly connected with installing support of installing box, speed sensor is including the rotational speed detection head, the surface at installing support is installed to rotational speed detection head fixed mounting, the rotational speed detection head corresponds with the response piece.
Preferably, the inner wall of the installation box is fixedly provided with a through hole, the other end of the rotating shaft extends to the surface of the installation box through the through hole, the surface of the other end of the rotating shaft is in a convex shape, and the surface of the other end of the rotating shaft is fixedly sleeved with a friction contact pipe through a bolt.
Preferably, the surperficial sliding connection of friction contact pipe has the experiment bearing, the fixed surface of experiment bearing has seted up the inspection hole, temperature sensor is including the temperature-sensing head, the surface of temperature-sensing head is pegged graft with the inner wall of inspection hole, the surperficial sliding connection of experiment bearing has auxiliary bearing, auxiliary bearing's fixed cover on surface has been connect the locating piece, the surface of locating piece is square shape.
Preferably, the fixed function groove of having seted up of interior roof of fixed case, the inner wall in function groove and the fixed intercommunication of inner wall of install bin, the inner wall fixed mounting of fixed case has the speed regulator, the power take off end of speed regulator and servo motor's output shaft pass through key and keyway fixed connection, servo motor passes through electric wire and time relay electric connection, the power take off shaft of speed regulator passes through key and keyway fixed connection and takes the initiative band pulley, take the initiative band pulley passes the function groove through the belt and is connected with the driven pulleys transmission, the speed regulator passes through electric wire electric connection display controller, display controller fixed mounting is on display control panel's surface.
Preferably, pressure sensor is including the forced induction head, the one end of forced induction head is pegged graft with the lower surface of locating piece, the other end of forced induction head extends to the inner wall of fixed case, the inner wall fixed mounting of fixed case has the pneumatic cylinder, the pneumatic cylinder is including the hydraulic stem, the one end of hydraulic stem is pegged graft with the other end of forced induction head.
Preferably, the torsion sensor comprises a torsion detection end, a contact block is fixedly connected to the surface of the torsion detection end, the surface of the contact block is concave, a connecting rod is inserted into the surface of the contact block, the surface of the connecting rod is L-shaped, a slot is fixedly formed in the surface of the experiment bearing, and one end of the connecting rod is inserted into the inner wall of the slot.
Preferably, after the surface of the experimental bearing is inserted into the inner ring of the rotating bearing, the surface of the experimental bearing is in sliding sleeve joint with the surface of the friction contact pipe; secondly, a hydraulic rod in the hydraulic cylinder extends out, the hydraulic rod jacks up one end of a pressure sensing head, one end of the pressure sensing head is inserted and positioned with the surface of a positioning block, the pressure of the hydraulic cylinder for jacking and supporting the positioning block is controlled through a pressure sensor, and the contact force between the inner wall of the experimental bearing and the inner ring of the rotating bearing and the surface of the friction contact pipe is controlled; step three, inserting one end of a connecting rod into the slot, inserting the other end of the connecting rod into the groove on the surface of the contact block, and carrying out rotation limiting and torque transmission on the experimental bearing; step four, inserting the temperature sensing head into the inner wall of the detection hole, then controlling the work of the servo motor through a time relay, setting the work time of the servo motor, controlling the rotating speed of the speed regulator through a display controller, and controlling the rotating speed of the driving belt wheel; and step five, the driving belt wheel drives the driven belt wheel to rotate through a belt, the rotating shaft is driven to rotate, the rotating shaft drives the sensing piece to rotate, the rotating speed of the rotating shaft is monitored through the cooperation of the sensing piece rotation and the rotating speed detection head and the rotating speed sensor, meanwhile, the rotating shaft drives the friction contact pipe to rotate and rub on the inner wall of the experimental bearing, the friction temperature data of the experimental bearing is monitored through the temperature sensor, the torque data is detected through the torque sensor, and friction abrasion experiment and data collection are carried out on the experimental bearing.
The beneficial effects of the invention are as follows:
1. through setting up slave unit, drive arrangement and display control panel, when carrying out the friction experiment, drive slave unit through drive arrangement and rotate, the surface that drives friction contact pipe is at the inner wall friction rotation of experiment bearing, the friction temperature that can directly perceivedly know experiment bearing through the sensor display on the display control panel, pressure, torsion, pressure, the data of rotational speed and time, through the work of display controller control speed regulator, better effect of carrying out friction experiment and data collection has been reached, thereby solved current engineering plastic bearing in the use, most all classify through the plastic materials that engineering plastic bearing used, the problem of great deviation can appear often in the in-service use.
Drawings
FIG. 1 is a schematic view of an engineering plastic bearing friction wear testing machine according to the present invention;
FIG. 2 is a sectional view of a structure of a fixed box of the engineering plastic bearing friction wear testing machine according to the present invention;
FIG. 3 is an enlarged view of the structure A in FIG. 2 of the engineering plastic bearing frictional wear testing machine according to the present invention;
FIG. 4 is a front view of a structure of a fixed box of the engineering plastic bearing friction wear testing machine according to the present invention.
In the figure: 1. a support block; 2. a fixed box; 21. a functional groove; 3. installing a box; 31. mounting a bracket; 32. a through hole; 4. mounting blocks; 41. a bearing seat; 42. fixing the bearing; 43. a rotating shaft; 44. a driven pulley; 45. an induction sheet; 46. a friction contact tube; 5. a display control panel; 6. a rotational speed sensor; 61. a rotational speed detection head; 7. a temperature sensor; 71. a temperature sensing head; 8. a time relay; 9. a reset switch; 10. a pressure sensor; 101. a pressure sensing head; 11. a torque sensor; 111. a torsion detection end; 12. a servo motor; 121. a driving pulley; 13. testing the bearing; 131. a detection hole; 132. a slot; 14. an auxiliary bearing; 15. positioning blocks; 16. a speed regulator; 161. a display controller; 17. a hydraulic cylinder; 171. a hydraulic lever; 18. a contact block; 19. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an engineering plastic bearing friction wear tester comprises supporting blocks 1, fixed boxes 2 are fixedly connected to the surfaces of the supporting blocks 1, the two supporting blocks 1 are symmetrically distributed by taking the axis of the fixed box 2 as the center, an installation box 3 is fixedly connected to the surface of the fixed box 2, a driven device is fixedly connected to the inner wall of the installation box 3, the driven device comprises an installation block 4, the surface of the installation block 4 is fixedly connected with the surface of the fixed box 2, a display control panel 5 is fixedly connected to the surface of the installation box 3, a rotation speed sensor 6, a temperature sensor 7, a time relay 8, a reset switch 9, a pressure sensor 10 and a torque sensor 11 are respectively and fixedly installed on the surface of the display control panel 5, the reset switch 9 is electrically connected with the time relay 8 through an electric wire, a driving device is fixedly connected to the inner wall of the fixed box 2, the servo motor 12 is fixedly arranged on the inner bottom wall of the fixed box 2;
the surfaces of the two mounting blocks 4 are fixedly connected with a bearing seat 41, a fixed bearing 42 is fixedly mounted on the inner wall of the bearing seat 41, a rotating shaft 43 is fixedly connected to the inner ring of the fixed bearing 42, a driven belt wheel 44 is fixedly sleeved on the surface of the rotating shaft 43, one end of the rotating shaft 43 is fixedly connected with an induction sheet 45 through a bolt, the surface of the induction sheet 45 is L-shaped, a mounting bracket 31 is fixedly connected to the inner wall of the mounting box 3, a rotating speed sensor 6 comprises a rotating speed detection head 61, the rotating speed detection head 61 is fixedly mounted on the surface of the mounting bracket 31, the rotating speed detection head 61 corresponds to the induction sheet 45, a through hole 32 is fixedly formed in the inner wall of the mounting box 3, the other end of the rotating shaft 43 extends to the surface of the mounting box 3 through the through hole 32, the surface of the other;
the surface of the friction contact pipe 46 is connected with an experiment bearing 13 in a sliding way, the surface of the experiment bearing 13 is fixedly provided with a detection hole 131, the temperature sensor 7 comprises a temperature sensing head 71, the surface of the temperature sensing head 71 is inserted with the inner wall of the detection hole 131, the surface of the experiment bearing 13 is connected with an auxiliary bearing 14 in a sliding way, the surface of the auxiliary bearing 14 is fixedly sleeved with a positioning block 15, the surface of the positioning block 15 is square, the inner top wall of the fixing box 2 is fixedly provided with a function groove 21, the inner wall of the function groove 21 is fixedly communicated with the inner wall of the mounting box 3, the inner wall of the fixing box 2 is fixedly provided with a speed regulator 16, the power output end of the speed regulator 16 is fixedly connected with the output shaft of the servo motor 12 through a key and a key slot, the servo motor 12 is electrically connected with the time relay 8, the driving pulley 121 passes through the functional groove 21 through a belt and is in transmission connection with the driven pulley 44, the speed regulator 16 is electrically connected with a display controller 161 through an electric wire, and the display controller 161 is fixedly arranged on the surface of the display control panel 5;
the pressure sensor 10 comprises a pressure sensing head 101, one end of the pressure sensing head 101 is inserted into the lower surface of the positioning block 15, the other end of the pressure sensing head 101 extends to the inner wall of the fixing box 2, a hydraulic cylinder 17 is fixedly mounted on the inner wall of the fixing box 2, the hydraulic cylinder 17 comprises a hydraulic rod 171, one end of the hydraulic rod 171 is inserted into the other end of the pressure sensing head 101, the torque sensor 11 comprises a torque detection end 111, a contact block 18 is fixedly connected to the surface of the torque detection end 111, the surface of the contact block 18 is concave, a connecting rod 19 is inserted into the surface of the contact block 18, the surface of the connecting rod 19 is L-shaped, a slot 132 is fixedly formed in the surface of the experiment bearing 13, and one end of the connecting rod 19 is inserted into the;
the use method of the engineering plastic bearing friction wear testing machine comprises the steps that firstly, after the surface of the experimental bearing 13 is inserted into the inner ring of the rotating bearing, the surface of the experimental bearing 13 is in sliding sleeve joint with the surface of the friction contact pipe 46; secondly, the hydraulic rod 171 in the hydraulic cylinder 17 extends out, the hydraulic rod 171 jacks up one end of the pressure sensing head 101, one end of the pressure sensing head 101 is inserted and positioned with the surface of the positioning block 15, the pressure sensor 10 controls the pressure of the hydraulic cylinder 17 for jacking up and supporting the positioning block 15, and the contact force between the inner wall of the experimental bearing 13 and the inner ring of the rotary bearing and the surface of the friction contact pipe 46 is controlled; step three, inserting one end of the connecting rod 19 into the inserting groove 132, inserting the other end of the connecting rod 19 into the groove on the surface of the contact block 18, and performing rotation limiting and torque transmission on the experiment bearing 13; step four, inserting the temperature sensing head 71 into the inner wall of the detection hole 131, then controlling the work of the servo motor 12 through the time relay 8, setting the work time of the servo motor 12, controlling the rotating speed of the speed regulator 16 through the display controller 161, and controlling the rotating speed of the driving pulley 121; driving the driving belt wheel 121 to drive the driven belt wheel 44 to rotate through a belt, driving the rotating shaft 43 to rotate, driving the sensing piece 45 to rotate through the rotating shaft 43, monitoring the rotating speed of the rotating shaft 43 through the rotation of the sensing piece 45 in cooperation with the rotating speed detection head 61 and the rotating speed sensor 6, simultaneously driving the friction contact tube 46 to rotate and rub on the inner wall of the experimental bearing 13 through the rotating shaft 43, monitoring the friction temperature data of the experimental bearing 13 through the temperature sensor 7, detecting the torque data through the torque sensor 11, and performing friction wear experiments and data collection on the experimental bearing 13;
through setting up the slave unit, drive arrangement and display control panel 5, when carrying out the friction experiment, drive the slave unit through drive arrangement and rotate, the surface that drives friction contact pipe 46 rotates at the inner wall friction of experiment bearing 13, can directly perceivedly know the friction temperature of experiment bearing 13 through the sensor display on the display control panel 5, pressure, torsion, pressure, the data of rotational speed and time, through the work of display controller 161 control speed regulator 16, the better effect of carrying out friction experiment and data collection has been reached, thereby solved current engineering plastic bearing in the use, most all classify through the plastic materials that engineering plastic bearing used, the problem of great deviation can appear often in the in-service use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides an engineering plastics bearing friction and wear experiment machine, includes supporting shoe (1), its characterized in that: the surface of the supporting block (1) is fixedly connected with a fixed box (2), the two supporting blocks (1) are symmetrically distributed by taking the axis of the fixed box (2) as the center, the surface of the fixed box (2) is fixedly connected with an installation box (3), the inner wall of the installation box (3) is fixedly connected with a driven device, the driven device comprises an installation block (4), the surface of the installation block (4) is fixedly connected with the surface of the fixed box (2), the surface of the installation box (3) is fixedly connected with a display control panel (5), the surface of the display control panel (5) is respectively and fixedly provided with a rotating speed sensor (6), a temperature sensor (7), a time relay (8), a reset switch (9), a pressure sensor (10) and a torque sensor (11), and the reset switch (9) is electrically connected with the time relay (8) through an electric wire, the inner wall fixedly connected with drive arrangement of fixed case (2), drive arrangement includes servo motor (12), servo motor (12) fixed mounting is at the interior diapire of fixed case (2).
2. The engineering plastic bearing friction wear testing machine of claim 1, characterized in that: the surface of the two mounting blocks (4) is fixedly connected with a bearing seat (41), a fixed bearing (42) is fixedly mounted on the inner wall of the bearing seat (41), and a rotating shaft (43) is fixedly connected to the inner ring of the fixed bearing (42).
3. The engineering plastic bearing friction wear testing machine of claim 2, characterized in that: the fixed cover in surface of pivot (43) has been connect from driven pulley (44), the one end of pivot (43) is through bolt fixed connection response piece (45), the surface of response piece (45) is the L shape.
4. The engineering plastic bearing friction wear testing machine of claim 3, characterized in that: the inner wall fixedly connected with installing support (31) of installing bin (3), speed sensor (6) are including rotational speed detection head (61), rotational speed detection head (61) fixed mounting is on the surface of installing support (31), rotational speed detection head (61) are corresponding with response piece (45).
5. The engineering plastic bearing friction wear testing machine of claim 4, characterized in that: the inner wall of install bin (3) is fixed and has been seted up through-hole (32), the other end of pivot (43) passes through-hole (32) and extends to the surface of install bin (3), the other end surface of pivot (43) is convex shape, the other end surface of pivot (43) has cup jointed friction contact pipe (46) through the bolt fastening.
6. The engineering plastic bearing friction wear testing machine of claim 5, characterized in that: the surperficial sliding connection of friction contact pipe (46) has experiment bearing (13), inspection hole (131) have been seted up to the fixed surface of experiment bearing (13), temperature sensor (7) are including temperature-sensing head (71), the surface of temperature-sensing head (71) is pegged graft with the inner wall of inspection hole (131), the surperficial sliding connection of experiment bearing (13) has auxiliary bearing (14), positioning block (15) have been cup jointed to the fixed surface of auxiliary bearing (14), the surface of positioning block (15) is square shape.
7. The engineering plastic bearing friction wear testing machine of claim 6, characterized in that: the inner top wall of the fixed box (2) is fixedly provided with a functional groove (21), the inner wall of the functional groove (21) is fixedly communicated with the inner wall of the installation box (3), a speed regulator (16) is fixedly arranged on the inner wall of the fixed box (2), the power output end of the speed regulator (16) is fixedly connected with the output shaft of the servo motor (12) through a key and a key slot, the servo motor (12) is electrically connected with the time relay (8) through an electric wire, a power output shaft of the speed regulator (16) is fixedly connected with a driving belt wheel (121) through a key and a key slot, the driving belt wheel (121) passes through the functional groove (21) through a belt and is in transmission connection with the driven belt wheel (44), the speed regulator (16) is electrically connected with a display controller (161) through an electric wire, the display controller (161) is fixedly arranged on the surface of the display control panel (5).
8. The engineering plastic bearing friction wear testing machine of claim 7, characterized in that: pressure sensor (10) are including forced induction head (101), the one end of forced induction head (101) is pegged graft with the lower surface of locating piece (15), the other end of forced induction head (101) extends to the inner wall of fixed case (2), the inner wall fixed mounting of fixed case (2) has pneumatic cylinder (17), pneumatic cylinder (17) are including hydraulic stem (171), the one end of hydraulic stem (171) is pegged graft with the other end of forced induction head (101).
9. The engineering plastic bearing friction wear testing machine of claim 8, characterized in that: the torsion sensor (11) comprises a torsion detection end (111), a contact block (18) is fixedly connected to the surface of the torsion detection end (111), the surface of the contact block (18) is in a concave shape, a connecting rod (19) is inserted into the surface of the contact block (18), the surface of the connecting rod (19) is in an L shape, a slot (132) is formed in the surface of the experiment bearing (13), and one end of the connecting rod (19) is inserted into the inner wall of the slot (132).
10. The use method of the engineering plastic bearing friction wear testing machine according to any one of claims 1 to 9, characterized in that: step one, inserting the surface of an experimental bearing (13) and an inner ring of a rotating bearing, and then slidably sleeving the surface of the experimental bearing (13) and the surface of a friction contact pipe (46); secondly, a hydraulic rod (171) in the hydraulic cylinder (17) extends out, the hydraulic rod (171) jacks up one end of the pressure sensing head (101), one end of the pressure sensing head (101) is inserted and positioned with the surface of the positioning block (15), the pressure of the hydraulic cylinder (17) for jacking and supporting the positioning block (15) is controlled through the pressure sensor (10), and the contact force between the inner wall of the experimental bearing (13) and the inner ring of the rotating bearing and the surface of the friction contact pipe (46) is controlled; thirdly, inserting one end of the connecting rod (19) into the inserting groove (132), inserting the other end of the connecting rod (19) into the groove on the surface of the contact block (18), and carrying out rotation limiting and torque transmission on the experimental bearing (13); step four, inserting a temperature sensing head (71) into the inner wall of the detection hole (131), then controlling the work of the servo motor (12) through a time relay (8), setting the work time of the servo motor (12), controlling the rotating speed of the speed regulator (16) through a display controller (161), and controlling the rotating speed of the driving belt wheel (121); step five, the driving belt wheel (121) drives the driven belt wheel (44) to rotate through the belt, the rotating shaft (43) is driven to rotate, the rotating shaft (43) drives the sensing piece (45) to rotate, the rotating speed of the rotating shaft (43) is monitored through the cooperation of the sensing piece (45) rotation and the rotating speed detection head (61) and the rotating speed sensor (6), meanwhile, the rotating shaft (43) drives the friction contact pipe (46) to rotate and rub on the inner wall of the experimental bearing (13), the friction temperature data of the experimental bearing (13) are monitored through the temperature sensor (7), the torque data are detected through the torque sensor (11), and friction and abrasion experiments and data collection are carried out on the experimental bearing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011632268.9A CN112683714A (en) | 2020-12-31 | 2020-12-31 | Engineering plastic bearing friction and wear testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011632268.9A CN112683714A (en) | 2020-12-31 | 2020-12-31 | Engineering plastic bearing friction and wear testing machine |
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| Publication Number | Publication Date |
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| CN112683714A true CN112683714A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011632268.9A Pending CN112683714A (en) | 2020-12-31 | 2020-12-31 | Engineering plastic bearing friction and wear testing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607589A (en) * | 2021-08-19 | 2021-11-05 | 冯成立 | High-speed high-pressure friction and wear experimental equipment and using method thereof |
| CN116124593A (en) * | 2023-04-14 | 2023-05-16 | 常州市慧宇建筑工程质量检测有限公司 | Universal experiment press with transmission device |
-
2020
- 2020-12-31 CN CN202011632268.9A patent/CN112683714A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607589A (en) * | 2021-08-19 | 2021-11-05 | 冯成立 | High-speed high-pressure friction and wear experimental equipment and using method thereof |
| CN116124593A (en) * | 2023-04-14 | 2023-05-16 | 常州市慧宇建筑工程质量检测有限公司 | Universal experiment press with transmission device |
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Application publication date: 20210420 |