CN112903496A - High-speed brush type sealing test device and system - Google Patents
High-speed brush type sealing test device and system Download PDFInfo
- Publication number
- CN112903496A CN112903496A CN202011490838.5A CN202011490838A CN112903496A CN 112903496 A CN112903496 A CN 112903496A CN 202011490838 A CN202011490838 A CN 202011490838A CN 112903496 A CN112903496 A CN 112903496A
- Authority
- CN
- China
- Prior art keywords
- speed brush
- feeding
- speed
- brush type
- force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- 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
- G01N3/56—Investigating resistance to wear or abrasion
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The embodiment of the invention provides a high-speed brush type sealing test device which comprises a rotating disc, a tool rest device, a feeding spindle part, a two-dimensional motion table and a digital display device, wherein the rotating disc is used for scraping a sealing coating and provided with a blade sample, the sealing coating is used for contacting with the blade sample, the tool rest device is used for detecting mechanical parameters of the sealing coating, the feeding spindle part is used for providing power, the two-dimensional motion table is used for providing feeding speed for the feeding spindle part, and the digital display device is used for displaying the measured mechanical parameters or data obtained after the parameters are processed; and the base is used for placing the rotating disc, the tool rest device, the feeding spindle part and the two-dimensional motion table. The invention adopts a high-speed feeding main shaft part to simulate an aircraft engine rotor, controls the feeding main shaft part to move by using a two-dimensional motion table, ensures that a blade sample piece on a rotating disc generates friction on a sealing coating, detects mechanical parameters generated by the friction by using a tool rest device, and comprehensively evaluates the sealing performance of the brush type sealing coating according to the mechanical parameters and the morphological characteristics of a friction pair.
Description
Technical Field
The invention relates to the technical field of test systems for aero-engine tests, in particular to a high-speed brush type sealing test device and system.
Background
With the rapid development of military aircraft and civil aircraft in the aviation industry, countries in the world all put higher requirements on the performance of aero-engines, including higher thrust, higher safety, higher efficiency, lower oil consumption, longer service life and the like. Research has found that the size of the radial clearance (i.e., gas path seal) between the rotating components and the casing of a turbine engine increases by approximately 0.5% of the operating efficiency, power and oil consumption of the turbine; on the contrary, the turbine efficiency is improved by about 1% for every 0.25mm reduction, and in order to reduce the gas path sealing clearance, the common method at present is to introduce a sealing coating (or sealing coating) into the clearance part of the gas flow channel of the advanced aircraft engine.
The brush type sealing coating can improve the sealing performance between a rotating part and a fixed part in an engine and can improve the performance of the engine, so that the sealing coating is widely applied to the field of aviation at present. The sealing coating is generally applied to the surfaces of a rotor shaft, a drum barrel, a bearing, a rotating blade tip, an air compressor and an air flow channel between turbines, so that the minimum working clearance is ensured, the scraping damage is effectively prevented, and the leakage is reduced. The brush seal coating serves to consume the entire amount of engagement by itself as the coating (seal coating) is scraped off the engine blades, thereby ensuring that the blades are not worn or frayed, and maintaining a small air path clearance while ensuring that the blades are not damaged to improve engine performance. The research on the test method and the evaluation index of the scraping evaluation of the brush type sealing coating begins in the 70 th century abroad. The existing test method is mature, high-speed scraping or impact scratch test equipment is adopted, specific energy consumption, dynamic hardness and the ratio of the abrasion loss of the coating to the abrasion loss of the blade are used as evaluation indexes, and an abrasion machine drawing of the sealing coating is drawn according to the evaluation indexes.
At present, the abrasiveness evaluation of the brush type sealing coating in China is mostly qualitative, no special test system exists, and the research is not deep enough.
Disclosure of Invention
In order to change the current situation that most of the abradability evaluation of the brush type sealing coating in China is qualitative analysis and no special test system exists, the embodiment of the invention provides a high-speed brush type sealing test device and system. The system can measure the scraping speed, the invasion rate and the use temperature, and then is matched with various sensors such as a force measuring sensor and a temperature measuring sensor to measure the experimental parameters, and the measured experimental parameters and the morphological characteristics of the friction pair are integrated together to analyze the performance of the sealing coating. The specific technical scheme is as follows:
in a first aspect, the embodiment of the invention provides a high-speed brush type sealing test device, which comprises a rotating disc (2) with a blade sample (1) for scraping a sealing coating, a sealing coating (3) for contacting with the blade sample (1), a tool rest device (4) for detecting mechanical parameters of the sealing coating (3), a feeding spindle component (5) for providing power, a two-dimensional motion table (6) for providing a feeding speed for the feeding spindle component (5), and a digital display device for displaying the measured mechanical parameters or data obtained after processing the parameters; a base (7) for placing the rotating disc (2), the tool holder device (4), the feed spindle assembly (5) and the two-dimensional motion stage (6).
Further, the device also comprises a heating device (7) which is arranged on the tool rest device (4) and is used for detecting the temperature; wherein the temperature comprises the temperature of the spindle and the temperature of the heating cavity.
Furthermore, a protective inner cover (8) is arranged above the base (7) and used for avoiding the damage to equipment and human bodies caused by accidents in the test process; the front end of the feeding main shaft component (5) is provided with a safety protection cover (9) which is used for playing a role of blocking when the feeding main shaft component (5) rotates at a high speed and falls off accidentally.
Furthermore, the air purifier also comprises a protective outer cover, wherein the protective outer cover is arranged on the outer layer of the protective inner cover (8), an exhaust device (11) is arranged on the upper surface of the protective outer cover, and an air inlet (12) is arranged on the lower surface of the protective outer cover and used for promoting air flow.
Further, the system also comprises a CCD camera for monitoring the working state of the system; a gas pressure sensor arranged on the protective inner cover (8), and a main shaft vibration sensor arranged on the feeding main shaft part (5).
Further, the device also comprises a cooling device which is used for providing a cooling source for the feeding spindle assembly (5) and the two-dimensional motion table (6).
Further, the tool holder device (4) comprises a force sensor and a force protection device (20); a sealing coating (3) is arranged on the surface of the tool rest device (4) corresponding to the rotating disc (2); the force sensor is disposed below the two-dimensional platform.
Furthermore, the force protection device (20) comprises a linear guide mechanism (21), a force application spring (22), an electric limiting device (23) and a protection stroke device (24); wherein the linear guide mechanism (21) moves along a preset direction, and the force application spring (22) is used for adjusting and setting the magnitude of the protection force; the electric limiting device (23) is used for moving along the direction of the linear guide mechanism (21) when the intrusion force exceeds the preset protection force, and forcibly powering off the equipment if the intrusion force is continuously increased and is greater than or equal to the maximum value of the protection stroke device (24).
Further, the brush type sealing test device comprises any one of the high-speed brush type sealing test device, a man-machine interaction device, a control device and a data processing device; the high-speed brush type sealing test device and the man-machine interaction device are connected through RS-232, and the control device and the data processing device are connected through a data bus; the human-computer interaction device is used for sending an instruction to the control device, and the control device is used for controlling the high-speed brush type sealing test device to operate according to the instruction requirement according to the received instruction; and the data processing device is used for calculating the sealing performance of the sealing coating according to the mechanical information and the temperature information acquired by the high-speed brush type sealing test device.
Further, the control device adopts a PLC controller with the model of a CPU224XP CN.
To sum up, the high-speed brush type sealing test device provided by the embodiment of the invention comprises a rotating disc with a blade sample piece for scraping a sealing coating, a sealing coating for contacting with the blade sample piece, a tool rest device for detecting mechanical parameters of the sealing coating, a feeding spindle part for providing power, a two-dimensional motion table for providing feeding speed for the feeding spindle part, and a digital display device for displaying the measured mechanical parameters or data obtained after processing the parameters; and the base is used for placing the rotating disc, the tool rest device, the feeding spindle part and the two-dimensional motion table. The invention adopts a high-speed feeding main shaft part to simulate an aircraft engine rotor, controls the feeding main shaft part to move by using a two-dimensional motion table, ensures that a blade sample piece on a rotating disc generates friction on a sealing coating, detects mechanical parameters generated by the friction by using a tool rest device, and evaluates the sealing performance of the sealing coating according to the mechanical parameters, the morphological characteristics of a friction pair and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic general structural diagram of a high-speed brush type sealing test device according to an embodiment of the present invention.
Fig. 2 is a model diagram of a mechanical structure of a high-speed brush type sealing test device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a feeding spindle component of a high-speed brush type sealing test device according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a tool rest device of a high-speed brush type sealing test device according to an embodiment of the invention.
Fig. 5 is a schematic structural view of a force protection device of a high-speed brush type sealing test device according to an embodiment of the present invention.
FIG. 6 is a schematic structural diagram of a high-speed brush seal testing system according to an embodiment of the present invention.
In the figure:
0-temperature sensor; 1-a blade sample; 2-rotating the disc; 3-sealing the coating; 4-a tool holder device; 5-a feed spindle assembly; 6-a two-dimensional motion table; 7-a base; 8-a protective inner cover; 9-safety protection cover; 11-an exhaust; a 20-force protection device; 21-a linear guide mechanism; 22-a force-applying spring; 23-an electrical stop device; 24-a protective stroke device; 71-a heating device; 72-CCD camera; 73-a digital display device; 74-Cooling means.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-2, fig. 1 is a schematic general structural diagram of a high-speed brush type sealing test device according to an embodiment of the present invention, and fig. 2 is a model diagram of a mechanical structure of the high-speed brush type sealing test device according to an embodiment of the present invention. In the figure, the device comprises a rotating disc (2) with a blade sample (1) for scraping a sealing coating, a sealing coating (3) for contacting with the blade sample (1), a tool rest device (4) for detecting mechanical parameters of the sealing coating (3), a feeding spindle component (5) for providing power, a two-dimensional motion table (6) for providing feeding speed for the feeding spindle component (5), and a digital display device for displaying the measured mechanical parameters or data obtained after processing the parameters; a base (7) for placing the rotating disc (2), the tool holder device (4), the feed spindle assembly (5) and the two-dimensional motion stage (6).
The invention adopts a high-speed feeding main shaft component to simulate an aircraft engine rotor, controls the feeding main shaft component to move by using a two-dimensional motion table, enables a blade sample piece on a rotating disc to generate friction on a sealing coating, detects mechanical parameters generated by the friction by using a tool rest device, and evaluates the sealing performance of the sealing coating according to the mechanical parameters.
In the embodiment of the invention, the base is positioned at the lowest part and is the foundation of the whole device. The feeding spindle part, the two-dimensional motion table and the heating device are fixed on the base, the tool rest device is installed on the two-position platform, and the protective outer cover is fixed on the base and protects all the parts such as the feeding spindle part, the two-dimensional motion table and the heating device. The protection dustcoat sets up the skin of protection inner cover (8), and is in the upper surface of protection dustcoat sets up exhaust apparatus (11), and the lower surface sets up the air inlet for promote the air flow.
Further, the temperature measuring sensor (0) of the embodiment of the invention is used for detecting temperature; wherein the temperature comprises the temperature of the spindle and the temperature of the heating cavity. The embodiment of the invention comprehensively analyzes, judges and calculates various collected parameters such as mechanical parameters, temperature parameters and the like, and comprehensively calculates the sealing performance of the sealing coating.
The embodiment of the invention comprehensively analyzes, judges and calculates various parameters such as collected mechanical parameters, vibration parameters measured by the vibration sensor, temperature parameters and the like, and comprehensively calculates the sealing performance of the sealing coating.
The design of the heating device can realize a heating system which is suitable for the heating range of 20-1200 ℃, and under the high-temperature condition, in order to ensure the normal work of the system, certain heat insulation measures need to be taken, and heat insulation devices are designed aiming at different high-temperature areas.
In particular, in an alternative embodiment of the invention, the maximum rotational speed of the feed spindle unit is 30000rpm, the radial stiffness is 197N/μm, the axial stiffness is 121N/μm, the peak torque MS1 is 15Nm, and the MS6 is 16.8 Nm.
The mechanical parameters include the normal and tangential forces on the seal coating.
The embodiment of the invention also comprises a digital display device for displaying the measured mechanical parameters or the data obtained after the parameters are processed.
The feeding speed range of the two-dimensional motion table is wide, 1-2000 mu m/s, which requires that the speed range of the motor is wide, and the guide rail structure and the driving mode of the displacement table are determined according to the requirement.
Referring to fig. 3, which is a schematic structural diagram of a feeding spindle part of the high-speed brush type sealing test device according to an embodiment of the present invention, the feeding spindle part (5) further includes a cooling device (74) for providing a cooling source for the feeding spindle part (5) and the two-dimensional moving stage (6). A protective inner cover (8) is arranged above the base (7) and used for avoiding the damage to equipment and human bodies caused by accidents in the test; the front end of the feeding main shaft component (5) is provided with a safety protection cover (9) which is used for playing a role of blocking when the feeding main shaft component (5) rotates at a high speed and falls off accidentally. The protective inner cover (8) and the protective outer cover are made of steel materials. As the feeding main shaft part and the bearing rotate at high speed, the edge linear speed is maximally over 400m/s, in order to avoid the damage to equipment and human bodies caused by the possible accident condition during the test, a safety protection cover enclosed by a steel plate is added at the front end of the main shaft, and the stopping effect is achieved when the high-speed rotating part falls off accidentally.
In an alternative embodiment of the present invention, the tool rest device includes: a force sensor and force protection device (20); referring to fig. 4, the structural schematic diagram of the tool rest device of the high-speed brush type sealing test device provided by the embodiment of the invention is shown, wherein a sealing coating (3) is arranged on the surface of the tool rest device (4) corresponding to the rotating disc (2); the force sensor is disposed below the two-dimensional platform.
When the device is normally used, the radial invasion force is small (less than 100N), but because the rotating speed of the feeding spindle part is high, in order to prevent the spindle from being damaged due to the overlarge radial invasion force during misoperation, a force protection device is designed, wherein the force protection device (20) comprises a linear guide mechanism (21), a forcing spring (22), an electric limiting device (23) and a protection stroke device (24); fig. 5 is a schematic structural diagram of a force protection device of a high-speed brush type sealing test device according to an embodiment of the present invention, in which the linear guide mechanism (21) moves along a predetermined direction, and the biasing spring (22) is used to adjust and set the magnitude of the protection force; the electric limiting device (23) is used for moving along the direction of the linear guide mechanism (21) when the intrusion force exceeds the preset protection force, and forcibly powering off the equipment if the intrusion force is continuously increased and is greater than or equal to the maximum stroke value of the protection stroke device (24).
In an optional implementation manner of the embodiment of the present invention, the system further includes a CCD camera for monitoring a working state of the system; a gas pressure sensor arranged on the protective inner cover (8), and a main shaft vibration sensor arranged on the feeding main shaft part (5).
In an alternative implementation of the embodiment of the invention, the two-dimensional motion table further comprises a cooling device (74) for providing a cooling source for the feeding spindle assembly (5) and the two-dimensional motion table (6). In order to provide a cooling source for ensuring the normal operation of the high-speed feeding main shaft component and other moving components, the refrigerating capacity, the flow of a cooling medium and the like need to be calculated.
A second aspect of the present invention further provides a high-speed brush type sealing test system, referring to fig. 6, fig. 6 is a schematic structural diagram of a high-speed brush type sealing test system according to an embodiment of the present invention, including any one of the above-mentioned high-speed brush type sealing test devices, a human-computer interaction device, a control device, and a data processing device; the high-speed brush type sealing test device and the man-machine interaction device are connected through RS-232, and the control device and the data processing device are connected through a data bus; the human-computer interaction device is used for sending an instruction to the control device, and the control device is used for controlling the high-speed brush type sealing test device to operate according to the instruction requirement according to the received instruction; and the data processing device is used for calculating the sealing performance of the sealing coating according to the mechanical information and the temperature information acquired by the high-speed brush type sealing test device.
The PLC type selected in the scheme is CPU224XP CN, 14 inputs and 10 outputs are integrated, and the integration is totally 27I/O points with 24 digital I/O points and 3 analog I/O points, and the PLC type can be connected with an expansion module. The PLC is added with a plurality of functions, such as position control characteristic, built-in analog I/O, LED diagnosis and the like.
The control system adopts a control structure of PC + PLC, an industrial personal computer is used as a man-machine interaction window, and the connection and control between the control system and peripheral equipment are realized through the PLC and an extension module thereof.
In the figure, the human-computer interaction device is preferably a computer device, the computer device is connected with the computer device through an RS-232 cable, a PC/PPI cable and an RS-485 bus, the PLC controls the feeding spindle part to move along the X direction, the Y spindle direction and the Z axis direction, meanwhile, the PLC is also controlled by a lubricating control system, a cooling control system, an air pressure control system and a hydraulic control system, and a data processing device processes collected data such as early CCD monitoring data, temperature data, contact force data, vibration data and the like to calculate the sealing performance of the sealing coating.
The above description is only an example of the present application and is not limited to the present application. Various modifications and alterations to this application will become apparent to those skilled in the art without departing from the scope of this invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A high-speed brush type sealing test device is characterized by comprising a rotating disc (2) with a blade sample piece (1) for scraping a sealing coating, a sealing coating (3) for contacting with the blade sample piece (1), a tool rest device (4) for detecting mechanical parameters of the sealing coating (3), a feeding spindle component (5) for providing power, and a two-dimensional motion table (6) for providing a feeding speed for the feeding spindle component (5); a base (7) for placing the rotating disc (2), the tool holder device (4), the feed spindle assembly (5) and the two-dimensional motion stage (6).
2. A high-speed brush seal test device according to claim 1, further comprising a heating device (71) and a temperature sensor (0) mounted on said blade carrier device (4), said temperature sensor being adapted to detect temperature; wherein the temperature comprises the temperature of the spindle and the temperature of the heating cavity.
3. A high-speed brush type sealing test device according to claim 1, characterized in that a protective inner cover (8) is arranged above the base (7) for avoiding injury to equipment and human bodies caused by accidents during tests; the front end of the feeding main shaft component (5) is provided with a safety protection cover (9) which is used for playing a role of blocking when the feeding main shaft component (5) rotates at a high speed and falls off accidentally.
4. A high-speed brush seal test device according to claim 3, characterized in that it further comprises a protective outer cover, said protective outer cover is arranged on the outer layer of said protective inner cover (8), and an air exhaust device (11) is arranged on the upper surface of said protective outer cover, and an air inlet is arranged on the lower surface of said protective outer cover for promoting the air flow.
5. A high-speed brush type seal testing device according to claim 4, further comprising a CCD camera for monitoring the operating state of the system; a gas pressure sensor arranged on the protective inner cover (8), and a main shaft vibration sensor arranged on the feeding main shaft part (5).
6. A high-speed brush seal test apparatus according to claim 2, further comprising a cooling means (74) for providing a cooling source for said feed spindle unit (5) and said two-dimensional motion stage (6).
7. A high-speed brush seal test apparatus according to claim 1, characterised in that said blade carrier means (4) comprises a force sensor and a force protection means (20); a sealing coating (3) is arranged on the surface of the tool rest device (4) corresponding to the rotating disc (2); the force sensor is disposed below the two-dimensional platform.
8. A high-speed brush seal test device according to claim 7, characterized in that said force protection means (20) comprise a linear guide (21), a forcing spring (22), an electric limit device (23) and a protection stroke device (24); wherein the linear guide mechanism (21) moves along a preset direction, and the force application spring (22) is used for adjusting and setting the magnitude of the protection force; the electric limiting device (23) is used for moving along the direction of the linear guide mechanism (21) when the intrusion force exceeds the preset protection force, and forcibly powering off the equipment if the intrusion force is continuously increased and is greater than or equal to the maximum stroke value of the protection stroke device (24).
9. A high speed brush seal test system comprising a high speed brush seal test apparatus according to any one of claims 1 to 8, human-computer interaction means, control means and data processing means; the high-speed brush type sealing test device and the man-machine interaction device are connected through RS-232, and the control device and the data processing device are connected through a data bus; the human-computer interaction device is used for sending an instruction to the control device, and the control device is used for controlling the high-speed brush type sealing test device to operate according to the instruction requirement according to the received instruction; and the data processing device is used for calculating the sealing performance of the sealing coating according to the mechanical information and the temperature information acquired by the high-speed brush type sealing test device.
10. A high-speed brush type sealing test system is characterized in that a PLC controller with the model number of CPU224XP CN is adopted as a control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490838.5A CN112903496A (en) | 2020-12-17 | 2020-12-17 | High-speed brush type sealing test device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490838.5A CN112903496A (en) | 2020-12-17 | 2020-12-17 | High-speed brush type sealing test device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112903496A true CN112903496A (en) | 2021-06-04 |
Family
ID=76111829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011490838.5A Withdrawn CN112903496A (en) | 2020-12-17 | 2020-12-17 | High-speed brush type sealing test device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112903496A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050066740A1 (en) * | 2003-09-25 | 2005-03-31 | Schlegel Corporation | Laboratory wear and drag force testing system |
| CN102116722A (en) * | 2009-12-31 | 2011-07-06 | 中国科学院金属研究所 | High-speed high-temperature multifunctional friction and abrasion tester |
| CN103018124A (en) * | 2012-11-28 | 2013-04-03 | 北京矿冶研究总院 | High-speed high-temperature abradable testing machine for sealing coating and experimental method |
| CN103196765A (en) * | 2013-03-11 | 2013-07-10 | 北京矿冶研究总院 | Multifunctional high-temperature high-speed friction and wear testing machine and method |
| CN103900958A (en) * | 2014-03-21 | 2014-07-02 | 中国科学院金属研究所 | Method for evaluating scraping performance of sealed coating and material |
| CN111855467A (en) * | 2020-07-31 | 2020-10-30 | 矿冶科技集团有限公司 | System and method for testing performance of abradable coating capable of accurately calibrating collision and abrasion zero point |
-
2020
- 2020-12-17 CN CN202011490838.5A patent/CN112903496A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050066740A1 (en) * | 2003-09-25 | 2005-03-31 | Schlegel Corporation | Laboratory wear and drag force testing system |
| CN102116722A (en) * | 2009-12-31 | 2011-07-06 | 中国科学院金属研究所 | High-speed high-temperature multifunctional friction and abrasion tester |
| CN103018124A (en) * | 2012-11-28 | 2013-04-03 | 北京矿冶研究总院 | High-speed high-temperature abradable testing machine for sealing coating and experimental method |
| CN103196765A (en) * | 2013-03-11 | 2013-07-10 | 北京矿冶研究总院 | Multifunctional high-temperature high-speed friction and wear testing machine and method |
| CN103900958A (en) * | 2014-03-21 | 2014-07-02 | 中国科学院金属研究所 | Method for evaluating scraping performance of sealed coating and material |
| CN111855467A (en) * | 2020-07-31 | 2020-10-30 | 矿冶科技集团有限公司 | System and method for testing performance of abradable coating capable of accurately calibrating collision and abrasion zero point |
Non-Patent Citations (2)
| Title |
|---|
| 张彬: "封严涂层刮削式试验机的研制", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
| 张彬等: "封严涂层刮削式试验台刀架装置分析及测试", 《中国会议 工程科技Ⅱ辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Dhanola et al. | Tribological challenges and advancements in wind turbine bearings: A review | |
| CN103900958B (en) | A kind of seal coating and material evaluated can the method for scraping performance | |
| CN103196765A (en) | Multifunctional high-temperature high-speed friction and wear testing machine and method | |
| Nitschke et al. | An advanced experimental method and test rig concept for investigating the dynamic blade-tip/casing interactions under engine-like mechanical conditions | |
| Wollmann et al. | Investigating the friction, wear and damage behaviour of plain bearing bushes of the variable stator vane system | |
| Haijun et al. | Investigation of high-speed abrasion behavior of an abradable seal rubber in aero-engine fan application | |
| CN112903496A (en) | High-speed brush type sealing test device and system | |
| CN101749259A (en) | Method and equipment for detecting abnormality of fan assembly | |
| CN106894851B (en) | The method and vibration absorber in centre frame vibration damping adjusting steam turbine sealing gland gap | |
| Wang et al. | Acoustic emissions from lubricated hybrid contacts | |
| Delebarre et al. | The wear mechanisms occurring in a labyrinth seal/abradable contact depending on the incursion depth parameter | |
| Board | Stress wave analysis of turbine engine faults | |
| Yang et al. | Phenomenological modeling of wear mechanisms between nickel-based superalloy blades and ceramic-based abradable coatings in turbomachines | |
| CN115561106A (en) | Sealing coating collision grinding testing device | |
| CN116337657A (en) | Online monitoring device for cracks of wheel disc low-cycle fatigue test | |
| Wang et al. | Detection and analysis of metal scrap in lubricating oil based on wear fault of spindle bearing of turboshaft engine | |
| CN212007058U (en) | Rotating machinery axle displacement monitor | |
| CN106948874B (en) | The method and vibration absorber in centre bearing vibration damping adjusting steam turbine sealing gland gap | |
| CN106837435A (en) | Jet sectional center frame vibration damping adjusts the method and device of steam turbine sealing gland | |
| CN202379531U (en) | Crimping machine for production of cellulose acetate tow for cigarettes | |
| CN105424524A (en) | Tribological property testing method of high-temperature in-situ generated solid lubricant film | |
| Wolak et al. | Preliminary results on the abradability of porous, sintered seal material | |
| CN203259437U (en) | High-speed rotating skiving testing machine | |
| CN221765184U (en) | High-speed sliding bearing material testing machine | |
| Dykas et al. | A foil thrust bearing test rig for evaluation of high temperature performance and durability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210604 |
|
| WW01 | Invention patent application withdrawn after publication |