CN110877234A - Outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement - Google Patents
Outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement Download PDFInfo
- Publication number
- CN110877234A CN110877234A CN201911172430.0A CN201911172430A CN110877234A CN 110877234 A CN110877234 A CN 110877234A CN 201911172430 A CN201911172430 A CN 201911172430A CN 110877234 A CN110877234 A CN 110877234A
- Authority
- CN
- China
- Prior art keywords
- grinding
- outer ring
- ring block
- main combustion
- machining
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
An outer ring block coping method capable of realizing automatic eccentric grinding and on-machine measurement, which is a composite processing technology based on centralized working procedures, finishes outer ring block coping and on-machine measurement of inner diameter on the same equipment, realizes double requirements by one-time clamping, and improves the working efficiency; the program module is used for realizing automatic eccentric grinding machining of the main combustion outer ring block; the method for processing the main combustion outer ring block is embodied by efficient grinding parameters; cutting mode: because the abrasive particles in the grinding process have high hardness and the grinding tool has self-sharpening property, the abrasive particles are used for processing high-strength and high-hardness materials such as various high-strength alloy steels, hard alloys and the like, and the grinding process is suitable for the materials. The invention has the advantages that: the risk of engine vibration caused by the collision and abrasion of the main combustion outer ring block and the rotor is reduced. The measured data display is more visual, the grinding quality of the main combustion outer ring block is ensured while the processing efficiency is improved, and the risk of engine vibration caused by collision and abrasion of the main combustion outer ring block and the rotor is reduced.
Description
Technical Field
The invention relates to a unit body and part assembly technology, in particular to an outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement.
Background
The main combustion outer ring block is ground according to the wear condition after the test run of an aircraft engine in a factory, most of the existing industries adopt manual polishing, the manual polishing is time-consuming and labor-consuming, the grinding quality is greatly influenced by the proficiency of workers, the grinding size consistency is poor, and the grinding quality cannot be guaranteed. After the research of the opposite-grinding eccentric machining numerical control module and a large number of grinding machining experiments verify, feasible machining parameters and program modules are developed, the vertical grinding automatic eccentric grinding machining of the main combustion outer ring block is realized, in addition, a measured data radar chart display function can be realized in an on-machine measuring system, the measured data display is more visual, the machining efficiency is improved, meanwhile, the grinding quality of the main combustion outer ring block is ensured, and the risk of engine vibration caused by the collision grinding of the main combustion outer ring block and a rotor is reduced.
Disclosure of Invention
The invention aims to solve the problems that the main combustion outer ring block of an aircraft engine is low in grinding efficiency, poor in grinding size consistency and incapable of guaranteeing grinding quality, reduces the risk of engine vibration caused by collision grinding of the main combustion outer ring block and a rotor, and particularly provides an outer ring block grinding method capable of achieving automatic eccentric grinding and on-machine measurement.
The invention provides an outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement, which is characterized by comprising the following steps of: the outer ring block polishing method capable of realizing automatic eccentric grinding and on-machine measurement adopts a composite processing technology based on centralized working procedures, the outer ring block polishing and the on-machine measurement of the inner diameter are completed on the same equipment, double requirements are realized by one-time clamping, and the working efficiency is improved; the program module is used for realizing automatic eccentric grinding machining of the main combustion outer ring block; the method for processing the main combustion outer ring block is embodied by efficient grinding parameters; cutting mode: because the nickel-based cast superalloy is easy to produce work hardening in the processing process, the material not only has high hardness but also is easy to stick a cutter, the cutter loss rate is particularly high, and turning processing is not suitable to be adopted. Since the abrasive grains have high hardness and the abrasive tool has self-sharpening property in the grinding process, the abrasive tool can be used for processing high-strength and high-hardness materials such as various high-strength alloy steels, hard alloys and the like, and the grinding process is preferably selected for the materials.
The outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement solves the problems that an aero-engine main combustion outer ring block is low in grinding efficiency, poor in grinding size consistency and incapable of guaranteeing grinding quality, and reduces the risk of engine vibration caused by collision grinding of the main combustion outer ring block and a rotor.
The grinding wheel selection is to select a grinding wheel with softer hardness and better threshing performance aiming at the high-strength, high-hardness and high-material, so that dull grinding particles fall off in time, and meanwhile, a grinding wheel with larger pore space is selected, so that the chip-containing performance is better. Cutting amount: because the material has small heat conductivity coefficient, the following principle should be selected in the grinding process: the relative speed is not suitable to be too high so as to reduce the cutting temperature and avoid the grinding wheel from being worn and dull rapidly; the feed rate should not be too high to ensure good surface quality. The grinding wheel should be dressed in time to keep better sharpness of the grinding wheel and obtain better surface quality.
The cutting equipment comprises: the automatic eccentric module of the machine tool needs to be developed, the self-adaptive eccentricity along with the rotation of a workpiece can be realized in the machining process after the automatic eccentric module is set, the eccentric amount does not need to be manually adjusted, the eccentric quality can be ensured, and the machining efficiency is high; the grinding wheel can be automatically trimmed in the processing process so as to keep better sharpness.
On-machine measurement: the automatic measuring system of the machine tool needs to be perturbed, the point selection automatic measurement of the main combustion outer ring block can be realized after setting, the on-machine measuring system can realize the radar chart display function of measured data, the measured data display is more visual, and the grinding quality of the main combustion outer ring block is ensured while the measuring efficiency is improved.
The machining parameters are that the grinding wheel speed V is 27m/s, the machine tool rotating speed n is 10r/min, the rough machining F is 0.06mm/min, and the finish machining F is 0.02 mm/min. In the grinding process, the grinding amount is small, the processing parameters are reasonably set, the phenomenon that the film hole is blocked by obvious burrs is basically not generated, the smoothness of cooling air flow of the film hole is not influenced, and the roughness inspection is qualified.
The main combustion outer ring block is grinded by an aero-engine after test run in a factory according to the wear condition after the factory, most of the aero-engine in the industry at present is manually polished, the manual grinding is time-consuming and labor-consuming, the grinding quality is greatly influenced by the proficiency of workers, the grinding size consistency is poor, and the grinding quality cannot be guaranteed, so that research and application of new equipment and a new processing method are imperative. The automatic grinding machining technology for the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, after the research on the vertical grinding eccentric machining numerical control module and a large number of grinding machining experiments are verified, feasible machining parameters and program modules are developed, the automatic eccentric grinding machining of the vertical grinding of the main combustion outer ring block is realized, the radar chart display function of measured data can be realized through an on-machine measuring system, the measured data display is more visual, the grinding quality of the main combustion outer ring block is guaranteed while the machining efficiency is improved, and the risk of engine vibration caused by the collision of the main combustion outer ring block and a rotor is reduced.
Most of main combustion outer ring blocks in the aircraft engine industry are manually polished and repaired after test run in a factory, manual polishing is time-consuming and labor-consuming, polishing quality is greatly influenced by operating proficiency of workers, polishing size consistency is poor, and polishing quality cannot be guaranteed. Therefore, research and use of new equipment and a new processing technique are imperative, the mechanical automatic grinding processing technology of the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, not only can the production efficiency be improved, but also the surface quality of the main combustion outer ring block can be effectively improved, the practicability is high, the application effect is good, the popularization is strong, the radar chart display function of measured data can be realized in an on-machine measuring system, the measured data display is more visual, the data is more accurate, and the risk of engine vibration caused by the collision and grinding of the main combustion outer ring block and a rotor is reduced. From the early test effect, the main combustion outer ring block which is repaired by the technology can more accurately realize the processing intention and can be accurately evaluated on-machine, and the breakthrough of the mechanical automatic repair grinding process method fundamentally changes the traditional backward processing means, improves the repair grinding technical level of the main combustion outer ring block of the aircraft engine, and has important significance for accelerating the process of independently developing the advanced aircraft engine.
The invention has the advantages that:
according to the outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement, most of main combustion outer ring blocks in the aircraft engine industry are manually polished and repaired after trial run in a factory, the manual grinding is time-consuming and labor-consuming, the grinding quality is greatly influenced by the operating proficiency of workers, the grinding size consistency is poor, and the grinding quality cannot be guaranteed. Therefore, research and use of new equipment and a new processing technique are imperative, the mechanical automatic grinding processing technology of the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, not only can the production efficiency be improved, but also the surface quality of the main combustion outer ring block can be effectively improved, the practicability is high, the application effect is good, the popularization is strong, the radar chart display function of measured data can be realized in an on-machine measuring system, the measured data display is more visual, the data is more accurate, and the risk of engine vibration caused by the collision and grinding of the main combustion outer ring block and a rotor is reduced. From the early test effect, the main combustion outer ring block which is repaired by the technology can more accurately realize the processing intention and can be accurately evaluated on-machine, and the breakthrough of the mechanical automatic repair grinding process method fundamentally changes the traditional backward processing means, improves the repair grinding technical level of the main combustion outer ring block of the aircraft engine, and has important significance for accelerating the process of independently developing the advanced aircraft engine.
After the research of the opposite-grinding eccentric machining numerical control module and a large number of grinding machining experiments verify, feasible machining parameters and program modules are developed, the vertical grinding automatic eccentric grinding machining of the main combustion outer ring block is realized, in addition, a measured data radar chart display function can be realized in an on-machine measuring system, the measured data display is more visual, the machining efficiency is improved, meanwhile, the grinding quality of the main combustion outer ring block is ensured, and the risk of engine vibration caused by the collision grinding of the main combustion outer ring block and a rotor is reduced.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a comparison schematic diagram of automatic measuring radar maps of a machine tool before and after sharpening.
Detailed Description
Example 1
The invention provides an outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement, which is characterized by comprising the following steps of: the outer ring block polishing method capable of realizing automatic eccentric grinding and on-machine measurement adopts a composite processing technology based on centralized working procedures, the outer ring block polishing and the on-machine measurement of the inner diameter are completed on the same equipment, double requirements are realized by one-time clamping, and the working efficiency is improved; the program module is used for realizing automatic eccentric grinding machining of the main combustion outer ring block; the method for processing the main combustion outer ring block is embodied by efficient grinding parameters; cutting mode: because the nickel-based cast superalloy is easy to produce work hardening in the processing process, the material not only has high hardness but also is easy to stick a cutter, the cutter loss rate is particularly high, and turning processing is not suitable to be adopted. Since the abrasive grains have high hardness and the abrasive tool has self-sharpening property in the grinding process, the abrasive tool can be used for processing high-strength and high-hardness materials such as various high-strength alloy steels, hard alloys and the like, and the grinding process is preferably selected for the materials.
The outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement solves the problems that an aero-engine main combustion outer ring block is low in grinding efficiency, poor in grinding size consistency and incapable of guaranteeing grinding quality, and reduces the risk of engine vibration caused by collision grinding of the main combustion outer ring block and a rotor.
The grinding wheel selection is to select a grinding wheel with softer hardness and better threshing performance aiming at the high-strength, high-hardness and high-material, so that dull grinding particles fall off in time, and meanwhile, a grinding wheel with larger pore space is selected, so that the chip-containing performance is better. Cutting amount: because the material has small heat conductivity coefficient, the following principle should be selected in the grinding process: the relative speed is not suitable to be too high so as to reduce the cutting temperature and avoid the grinding wheel from being worn and dull rapidly; the feed rate should not be too high to ensure good surface quality. The grinding wheel should be dressed in time to keep better sharpness of the grinding wheel and obtain better surface quality.
The cutting equipment comprises: the automatic eccentric module of the machine tool needs to be developed, the self-adaptive eccentricity along with the rotation of a workpiece can be realized in the machining process after the automatic eccentric module is set, the eccentric amount does not need to be manually adjusted, the eccentric quality can be ensured, and the machining efficiency is high; the grinding wheel can be automatically trimmed in the processing process so as to keep better sharpness.
On-machine measurement: the automatic measuring system of the machine tool needs to be perturbed, the point selection automatic measurement of the main combustion outer ring block can be realized after setting, the on-machine measuring system can realize the radar chart display function of measured data, the measured data display is more visual, and the grinding quality of the main combustion outer ring block is ensured while the measuring efficiency is improved.
The machining parameters are that the grinding wheel speed V is 27m/s, the machine tool rotating speed n is 10r/min, the rough machining F is 0.06mm/min, and the finish machining F is 0.02 mm/min. In the grinding process, the grinding amount is small, the processing parameters are reasonably set, the phenomenon that the film hole is blocked by obvious burrs is basically not generated, the smoothness of cooling air flow of the film hole is not influenced, and the roughness inspection is qualified.
The main combustion outer ring block is grinded by an aero-engine after test run in a factory according to the wear condition after the factory, most of the aero-engine in the industry at present is manually polished, the manual grinding is time-consuming and labor-consuming, the grinding quality is greatly influenced by the proficiency of workers, the grinding size consistency is poor, and the grinding quality cannot be guaranteed, so that research and application of new equipment and a new processing method are imperative. The automatic grinding machining technology for the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, after the research on the vertical grinding eccentric machining numerical control module and a large number of grinding machining experiments are verified, feasible machining parameters and program modules are developed, the automatic eccentric grinding machining of the vertical grinding of the main combustion outer ring block is realized, the radar chart display function of measured data can be realized through an on-machine measuring system, the measured data display is more visual, the grinding quality of the main combustion outer ring block is guaranteed while the machining efficiency is improved, and the risk of engine vibration caused by the collision of the main combustion outer ring block and a rotor is reduced.
Most of main combustion outer ring blocks in the aircraft engine industry are manually polished and repaired after test run in a factory, manual polishing is time-consuming and labor-consuming, polishing quality is greatly influenced by operating proficiency of workers, polishing size consistency is poor, and polishing quality cannot be guaranteed. Therefore, research and use of new equipment and a new processing technique are imperative, the mechanical automatic grinding processing technology of the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, not only can the production efficiency be improved, but also the surface quality of the main combustion outer ring block can be effectively improved, the practicability is high, the application effect is good, the popularization is strong, the radar chart display function of measured data can be realized in an on-machine measuring system, the measured data display is more visual, the data is more accurate, and the risk of engine vibration caused by the collision and grinding of the main combustion outer ring block and a rotor is reduced. From the early test effect, the main combustion outer ring block which is repaired by the technology can more accurately realize the processing intention and can be accurately evaluated on-machine, and the breakthrough of the mechanical automatic repair grinding process method fundamentally changes the traditional backward processing means, improves the repair grinding technical level of the main combustion outer ring block of the aircraft engine, and has important significance for accelerating the process of independently developing the advanced aircraft engine.
Example 2
The invention provides an outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement, which is characterized by comprising the following steps of: the outer ring block polishing method capable of realizing automatic eccentric grinding and on-machine measurement adopts a composite processing technology based on centralized working procedures, the outer ring block polishing and the on-machine measurement of the inner diameter are completed on the same equipment, double requirements are realized by one-time clamping, and the working efficiency is improved; the program module is used for realizing automatic eccentric grinding machining of the main combustion outer ring block; the method for processing the main combustion outer ring block is embodied by efficient grinding parameters; cutting mode: because the nickel-based cast superalloy is easy to produce work hardening in the processing process, the material not only has high hardness but also is easy to stick a cutter, the cutter loss rate is particularly high, and turning processing is not suitable to be adopted. Since the abrasive grains have high hardness and the abrasive tool has self-sharpening property in the grinding process, the abrasive tool can be used for processing high-strength and high-hardness materials such as various high-strength alloy steels, hard alloys and the like, and the grinding process is preferably selected for the materials.
The outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement solves the problems that an aero-engine main combustion outer ring block is low in grinding efficiency, poor in grinding size consistency and incapable of guaranteeing grinding quality, and reduces the risk of engine vibration caused by collision grinding of the main combustion outer ring block and a rotor.
On-machine measurement: the automatic measuring system of the machine tool needs to be perturbed, the point selection automatic measurement of the main combustion outer ring block can be realized after setting, the on-machine measuring system can realize the radar chart display function of measured data, the measured data display is more visual, and the grinding quality of the main combustion outer ring block is ensured while the measuring efficiency is improved.
The machining parameters are that the grinding wheel speed V is 27m/s, the machine tool rotating speed n is 10r/min, the rough machining F is 0.06mm/min, and the finish machining F is 0.02 mm/min. In the grinding process, the grinding amount is small, the processing parameters are reasonably set, the phenomenon that the film hole is blocked by obvious burrs is basically not generated, the smoothness of cooling air flow of the film hole is not influenced, and the roughness inspection is qualified.
The main combustion outer ring block is grinded by an aero-engine after test run in a factory according to the wear condition after the factory, most of the aero-engine in the industry at present is manually polished, the manual grinding is time-consuming and labor-consuming, the grinding quality is greatly influenced by the proficiency of workers, the grinding size consistency is poor, and the grinding quality cannot be guaranteed, so that research and application of new equipment and a new processing method are imperative. The automatic grinding machining technology for the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, after the research on the vertical grinding eccentric machining numerical control module and a large number of grinding machining experiments are verified, feasible machining parameters and program modules are developed, the automatic eccentric grinding machining of the vertical grinding of the main combustion outer ring block is realized, the radar chart display function of measured data can be realized through an on-machine measuring system, the measured data display is more visual, the grinding quality of the main combustion outer ring block is guaranteed while the machining efficiency is improved, and the risk of engine vibration caused by the collision of the main combustion outer ring block and a rotor is reduced.
Most of main combustion outer ring blocks in the aircraft engine industry are manually polished and repaired after test run in a factory, manual polishing is time-consuming and labor-consuming, polishing quality is greatly influenced by operating proficiency of workers, polishing size consistency is poor, and polishing quality cannot be guaranteed. Therefore, research and use of new equipment and a new processing technique are imperative, the mechanical automatic grinding processing technology of the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, not only can the production efficiency be improved, but also the surface quality of the main combustion outer ring block can be effectively improved, the practicability is high, the application effect is good, the popularization is strong, the radar chart display function of measured data can be realized in an on-machine measuring system, the measured data display is more visual, the data is more accurate, and the risk of engine vibration caused by the collision and grinding of the main combustion outer ring block and a rotor is reduced. From the early test effect, the main combustion outer ring block which is repaired by the technology can more accurately realize the processing intention and can be accurately evaluated on-machine, and the breakthrough of the mechanical automatic repair grinding process method fundamentally changes the traditional backward processing means, improves the repair grinding technical level of the main combustion outer ring block of the aircraft engine, and has important significance for accelerating the process of independently developing the advanced aircraft engine.
Example 3
The invention provides an outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement, which is characterized by comprising the following steps of: the outer ring block polishing method capable of realizing automatic eccentric grinding and on-machine measurement adopts a composite processing technology based on centralized working procedures, the outer ring block polishing and the on-machine measurement of the inner diameter are completed on the same equipment, double requirements are realized by one-time clamping, and the working efficiency is improved; the program module is used for realizing automatic eccentric grinding machining of the main combustion outer ring block; the method for processing the main combustion outer ring block is embodied by efficient grinding parameters; cutting mode: because the nickel-based cast superalloy is easy to produce work hardening in the processing process, the material not only has high hardness but also is easy to stick a cutter, the cutter loss rate is particularly high, and turning processing is not suitable to be adopted. Since the abrasive grains have high hardness and the abrasive tool has self-sharpening property in the grinding process, the abrasive tool can be used for processing high-strength and high-hardness materials such as various high-strength alloy steels, hard alloys and the like, and the grinding process is preferably selected for the materials.
The outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement solves the problems that an aero-engine main combustion outer ring block is low in grinding efficiency, poor in grinding size consistency and incapable of guaranteeing grinding quality, and reduces the risk of engine vibration caused by collision grinding of the main combustion outer ring block and a rotor.
The grinding wheel selection is to select a grinding wheel with softer hardness and better threshing performance aiming at the high-strength, high-hardness and high-material, so that dull grinding particles fall off in time, and meanwhile, a grinding wheel with larger pore space is selected, so that the chip-containing performance is better. Cutting amount: because the material has small heat conductivity coefficient, the following principle should be selected in the grinding process: the relative speed is not suitable to be too high so as to reduce the cutting temperature and avoid the grinding wheel from being worn and dull rapidly; the feed rate should not be too high to ensure good surface quality. The grinding wheel should be dressed in time to keep better sharpness of the grinding wheel and obtain better surface quality.
The machining parameters are that the grinding wheel speed V is 27m/s, the machine tool rotating speed n is 10r/min, the rough machining F is 0.06mm/min, and the finish machining F is 0.02 mm/min. In the grinding process, the grinding amount is small, the processing parameters are reasonably set, the phenomenon that the film hole is blocked by obvious burrs is basically not generated, the smoothness of cooling air flow of the film hole is not influenced, and the roughness inspection is qualified.
The main combustion outer ring block is grinded by an aero-engine after test run in a factory according to the wear condition after the factory, most of the aero-engine in the industry at present is manually polished, the manual grinding is time-consuming and labor-consuming, the grinding quality is greatly influenced by the proficiency of workers, the grinding size consistency is poor, and the grinding quality cannot be guaranteed, so that research and application of new equipment and a new processing method are imperative. The automatic grinding machining technology for the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, after the research on the vertical grinding eccentric machining numerical control module and a large number of grinding machining experiments are verified, feasible machining parameters and program modules are developed, the automatic eccentric grinding machining of the vertical grinding of the main combustion outer ring block is realized, the radar chart display function of measured data can be realized through an on-machine measuring system, the measured data display is more visual, the grinding quality of the main combustion outer ring block is guaranteed while the machining efficiency is improved, and the risk of engine vibration caused by the collision of the main combustion outer ring block and a rotor is reduced.
Most of main combustion outer ring blocks in the aircraft engine industry are manually polished and repaired after test run in a factory, manual polishing is time-consuming and labor-consuming, polishing quality is greatly influenced by operating proficiency of workers, polishing size consistency is poor, and polishing quality cannot be guaranteed. Therefore, research and use of new equipment and a new processing technique are imperative, the mechanical automatic grinding processing technology of the main combustion outer ring block of the aero-engine is a new technology capable of effectively solving the problems, not only can the production efficiency be improved, but also the surface quality of the main combustion outer ring block can be effectively improved, the practicability is high, the application effect is good, the popularization is strong, the radar chart display function of measured data can be realized in an on-machine measuring system, the measured data display is more visual, the data is more accurate, and the risk of engine vibration caused by the collision and grinding of the main combustion outer ring block and a rotor is reduced. From the early test effect, the main combustion outer ring block which is repaired by the technology can more accurately realize the processing intention and can be accurately evaluated on-machine, and the breakthrough of the mechanical automatic repair grinding process method fundamentally changes the traditional backward processing means, improves the repair grinding technical level of the main combustion outer ring block of the aircraft engine, and has important significance for accelerating the process of independently developing the advanced aircraft engine.
Claims (6)
1. An outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement is characterized in that: the outer ring block polishing method capable of realizing automatic eccentric grinding and on-machine measurement adopts a composite processing technology based on centralized working procedures, the outer ring block polishing and the on-machine measurement of the inner diameter are completed on the same equipment, double requirements are realized by one-time clamping, and the working efficiency is improved; the program module is used for realizing automatic eccentric grinding machining of the main combustion outer ring block; the method for processing the main combustion outer ring block is embodied by efficient grinding parameters; cutting mode: because the nickel-based cast superalloy is easy to produce work hardening in the processing process, the material not only has high hardness but also is easy to stick a cutter, the cutter loss rate is particularly high, and turning processing is not suitable to be adopted. Because the abrasive particles in the grinding process have high hardness and the grinding tool has self-sharpening property, the abrasive particles are used for processing high-strength and high-hardness materials such as various high-strength alloy steels, hard alloys and the like, and the grinding process is suitable for the materials.
2. The method for grinding the outer ring block capable of realizing automatic eccentric grinding and on-machine measurement according to claim 1, wherein the method comprises the following steps: the outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement solves the problems that an aero-engine main combustion outer ring block is low in grinding efficiency, poor in grinding size consistency and incapable of guaranteeing grinding quality, and reduces the risk of engine vibration caused by collision grinding of the main combustion outer ring block and a rotor.
3. The method for grinding the outer ring block capable of realizing automatic eccentric grinding and on-machine measurement according to claim 1, wherein the method comprises the following steps: the grinding wheel selection is to select a grinding wheel with softer hardness and better threshing performance aiming at the high-strength, high-hardness and high-material, so that dull grinding particles fall off in time, and meanwhile, a grinding wheel with larger pore space is selected, so that the chip-containing performance is better. Cutting amount: because the material has small heat conductivity coefficient, the following principle should be selected in the grinding process: the relative speed is not suitable to be too high so as to reduce the cutting temperature and avoid the grinding wheel from being worn and dull rapidly; the feed rate should not be too high to ensure good surface quality. The grinding wheel should be dressed in time to keep better sharpness of the grinding wheel and obtain better surface quality.
4. The method for grinding the outer ring block capable of realizing automatic eccentric grinding and on-machine measurement according to claim 1, wherein the method comprises the following steps: the cutting equipment comprises: the automatic eccentric module of the machine tool needs to be developed, the self-adaptive eccentricity along with the rotation of a workpiece can be realized in the machining process after the automatic eccentric module is set, the eccentric amount does not need to be manually adjusted, the eccentric quality can be ensured, and the machining efficiency is high; the grinding wheel can be automatically trimmed in the processing process so as to keep better sharpness.
5. The method for grinding the outer ring block capable of realizing automatic eccentric grinding and on-machine measurement according to claim 1, wherein the method comprises the following steps: on-machine measurement: the automatic measuring system of the machine tool needs to be perturbed, the point selection automatic measurement of the main combustion outer ring block can be realized after setting, the on-machine measuring system can realize the radar chart display function of measured data, the measured data display is more visual, and the grinding quality of the main combustion outer ring block is ensured while the measuring efficiency is improved.
6. The method for grinding the outer ring block capable of realizing automatic eccentric grinding and on-machine measurement according to claim 1, wherein the method comprises the following steps: the machining parameters are that the grinding wheel speed V is 27m/s, the machine tool rotating speed n is 10r/min, the rough machining F is 0.06mm/min, and the finish machining F is 0.02 mm/min. In the grinding process, the grinding amount is small, the processing parameters are reasonably set, the phenomenon that the film hole is blocked by obvious burrs is basically not generated, the smoothness of cooling air flow of the film hole is not influenced, and the roughness inspection is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911172430.0A CN110877234A (en) | 2019-11-26 | 2019-11-26 | Outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911172430.0A CN110877234A (en) | 2019-11-26 | 2019-11-26 | Outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110877234A true CN110877234A (en) | 2020-03-13 |
Family
ID=69729371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911172430.0A Pending CN110877234A (en) | 2019-11-26 | 2019-11-26 | Outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110877234A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11300590A (en) * | 1998-04-24 | 1999-11-02 | Asahi Glass Co Ltd | Grinding device |
| CN205936702U (en) * | 2016-08-12 | 2017-02-08 | 中国航空工业集团公司沈阳发动机设计研究所 | High pressure turbine rotor |
| CN206335434U (en) * | 2016-12-31 | 2017-07-18 | 赫比（上海）金属工业有限公司 | A kind of three-dimension curved surface high-freedom degree full-automatic grinding machine |
| CN208262597U (en) * | 2018-04-13 | 2018-12-21 | 台州动林汽车空调压缩机有限公司 | A kind of system of processing of transmission shaft |
| CN209223810U (en) * | 2018-12-04 | 2019-08-09 | 四川凌峰航空液压机械有限公司 | The device of bias grinding high-pressure oil pump rotor sliding-vane eccentric arc |
-
2019
- 2019-11-26 CN CN201911172430.0A patent/CN110877234A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11300590A (en) * | 1998-04-24 | 1999-11-02 | Asahi Glass Co Ltd | Grinding device |
| CN205936702U (en) * | 2016-08-12 | 2017-02-08 | 中国航空工业集团公司沈阳发动机设计研究所 | High pressure turbine rotor |
| CN206335434U (en) * | 2016-12-31 | 2017-07-18 | 赫比（上海）金属工业有限公司 | A kind of three-dimension curved surface high-freedom degree full-automatic grinding machine |
| CN208262597U (en) * | 2018-04-13 | 2018-12-21 | 台州动林汽车空调压缩机有限公司 | A kind of system of processing of transmission shaft |
| CN209223810U (en) * | 2018-12-04 | 2019-08-09 | 四川凌峰航空液压机械有限公司 | The device of bias grinding high-pressure oil pump rotor sliding-vane eccentric arc |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Klocke et al. | Abrasive machining of advanced aerospace alloys and composites | |
| CN106378668B (en) | A kind of control method of five axis double-ended grinding machine | |
| CN108907905A (en) | A kind of robot sanding and polishing method and device for automotive hub casting mold | |
| US8500518B2 (en) | Method of grinding an indexable insert and grinding wheel for carrying out the grinding method | |
| CN110125497B (en) | Machining method for mortise of high-temperature alloy disc part | |
| CN109926894B (en) | Turbine disc mortise forming and grinding processing equipment and using method thereof | |
| CN106363475B (en) | A kind of efficient double-ended grinding machine and its control method | |
| CN108908124A (en) | A kind of offline trimming device of Arc Diamond Wheel and its dressing method | |
| CN109623591A (en) | A kind of compressor blade holotype face numerical control grinding and polishing method | |
| CN104526503A (en) | Integrated blade disk and blade tip curved surface numerical control grinding device and method | |
| CN110253418A (en) | A kind of precision and ultra-precision machining method for form grinding | |
| TW202026097A (en) | Polishing auxiliary method | |
| CN107088753A (en) | A kind of turbine disk-like accessory groove edge finishing process and processing unit (plant) | |
| CN102922397A (en) | Accessory lathe-grinding integration device for lathe machining center and use method thereof | |
| CN114888702A (en) | Numerical control polishing method for compressor blade | |
| CN107457703B (en) | A kind of bronze boart boart wheel disc precise dressing method of the end surface full jumping better than 2 μm | |
| CN103707003B (en) | The processing method of tungsten titanium alloy plate | |
| CN201455808U (en) | Automatic finisher for grinding wheel | |
| CN206140218U (en) | High -efficient double -ended grinding machine | |
| CN110877234A (en) | Outer ring block grinding method capable of realizing automatic eccentric grinding and on-machine measurement | |
| CN105563261B (en) | A kind of grinding thining method of glass | |
| CN105522172A (en) | Aluminum alloy wheel mirror finishing process | |
| US9498865B2 (en) | System and methods for rough grinding | |
| CN205310067U (en) | Work piece mirror surface processingequipment | |
| JP2012168742A (en) | Machining center provided with grindstone wear correction function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200313 |