CN109344522A - A kind of calculation method and system of the stator blade stock removal for axial flow compressor - Google Patents
A kind of calculation method and system of the stator blade stock removal for axial flow compressor Download PDFInfo
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Abstract
The invention discloses the calculation method and system of a kind of stator blade stock removal for axial flow compressor, method includes: that a reference value and tolerance zone value in gap corresponding with measurement point are analyzed and determined respectively；By calculating separately the difference between a reference value corresponding with each measurement point and the gap width measured, the benchmark stock removal of the corresponding stator blade of each measurement point is obtained；The numerical values recited for comparing the benchmark stock removal of the corresponding stator blade of each measurement point, using the tolerance zone minimum value of the corresponding measurement point of maximum value of the benchmark stock removal of stator blade as grinding benchmark event value；The difference between gap width by calculating grinding benchmark event value measurement point corresponding with benchmark event value is ground, determines the stock removal of stator blade.Method provided by the invention reduces to the gap width calculation times and stock removal repeated examinations between casing inner wall and stator blade, and then reduces the workload calculated stator blade stock removal, shortens the antenatal time of axial flow compressor.
Description
Technical field
The invention belongs to the stator blade processing technique fields of axial flow compressor, and in particular to a kind of for the quiet of axial flow compressor
The calculation method and system of leaf stock removal.
Background technique
Axial Flow Compressor is a kind of Turbomachinery equipment of offer compressed gas, it utilizes the phase interaction of blade and gas
With improving the pressure and kinetic energy of gas, and make flow slowing down using successive flow passage component, kinetic energy be changed into mentioning for pressure
It is high.It is the important motivity equipment of the large-scale air feed such as petroleum, chemical industry, metallurgy, environmental protection, pharmacy, ammonia processed, gas compression.The compression of axis stream
The operation stability and operating condition use scope of machine will directly decide the production capacity and product quality of these industries that involve the interests of the state and the people.
Wherein, the stator blade of axial flow compressor, which has, becomes pressure energy for the kinetic energy of gas, and makes gas according to certain
Direction and speed enter the effect of next stage.The gap width of stator blade can influence the pressure and efficiency of axial flow compressor, so quiet
The accuracy of the gap width of leaf directly influences the quality of axial flow compressor.And before carrying out match grinding to stator blade gap, it need to be by skill
The a reference value and tolerance zone that the gap width for the measurement that art personnel provide according to operator and designer provide, calculate grinding
Amount.There are ten multistage gap values to need calculating repeatedly and verifying stock removal at different levels for a usual axial flow compressor, so big
And cumbersome workload, huge difficulty is brought for the punctual completion of antenatal preparation.
Summary of the invention
Place in view of the deficiency of the prior art, the present invention provides a kind of stator blade mills for axial flow compressor
The calculation method and system for the amount of cutting.
The purpose of the present invention is achieved through the following technical solutions:
One aspect of the present invention provides a kind of calculation method of stator blade stock removal for axial flow compressor, comprising:
It is right respectively after to the gap distribution between the casing inner wall and stator blade of axial flow compressor, at least three measurement points are set
The a reference value and tolerance zone value in gap corresponding with the measurement point are analyzed and are determined；
Real-time measurement is carried out respectively to gap corresponding with the measurement point, by calculating separately and each measurement point
Difference between the corresponding a reference value and the gap width measured obtains the base of the corresponding stator blade of each measurement point
Quasi- stock removal；
The numerical values recited for comparing the benchmark stock removal of the corresponding stator blade of each measurement point, by the base of the stator blade
The tolerance zone minimum value of the corresponding measurement point of the maximum value of quasi- stock removal is as grinding benchmark event value；
By the gap for calculating grinding benchmark event value measurement point corresponding with the grinding benchmark event value
Difference between value determines the stock removal of the stator blade.
A kind of computing system of the stator blade stock removal for axial flow compressor, comprising:
Analysis module is surveyed for the gap distribution setting at least three between the casing inner wall and stator blade to axial flow compressor
After amount point, a reference value and tolerance zone value in gap corresponding with the measurement point are analyzed and determined respectively；
Benchmark stock removal determining module passes through for carrying out real-time measurement respectively to gap corresponding with the measurement point
The difference between a reference value corresponding with each measurement point and the gap width measured is calculated separately, is obtained each described
The benchmark stock removal of the corresponding stator blade of measurement point；
It is ground benchmark event value determining module, the benchmark for comparing the corresponding stator blade of each measurement point is ground
The numerical values recited of amount makees the tolerance zone minimum value of the corresponding measurement point of the maximum value of the benchmark stock removal of the stator blade
To be ground benchmark event value；
Stock removal determining module, for opposite with the grinding benchmark event value by calculating the grinding benchmark event value
Difference between the gap width for the measurement point answered determines the stock removal of the stator blade.
The calculation method and system of a kind of stator blade stock removal for axial flow compressor provided by the invention, by casing
The corresponding gap of setting measurement point between inner wall and stator blade carries out the determination of a reference value and tolerance zone value, and to measurement point
Corresponding gap, which carries out real-time measurement, to be reduced to determine the stock removal of stator blade to the gap width between casing inner wall and stator blade
Calculation times and stock removal repeated examinations, and then reduce the workload calculated stator blade stock removal, shorten the production of axial flow compressor
Preceding time.
Detailed description of the invention
Fig. 1 is a kind of stream of the calculation method of stator blade stock removal for axial flow compressor of exemplary embodiment of the present
Cheng Tu；
Fig. 2 is the calculation method that the another kind of exemplary embodiment of the present is used for the stator blade stock removal of axial flow compressor
Flow chart；
Fig. 3 is used for the calculation method of the stator blade stock removal of axial flow compressor for another of exemplary embodiment of the present
Flow chart；
Fig. 4 be exemplary embodiment of the present it is another another for axial flow compressor stator blade stock removal calculation method
Flow chart；
Fig. 5 is a kind of mould of the computing system of stator blade stock removal for axial flow compressor of exemplary embodiment of the present
Block connection schematic diagram；
Fig. 6 is the computing system that the another kind of exemplary embodiment of the present is used for the stator blade stock removal of axial flow compressor
Module connection diagram；
Fig. 7 is used for the computing system of the stator blade stock removal of axial flow compressor for another of exemplary embodiment of the present
Module connection diagram；
Fig. 8 be exemplary embodiment of the present it is another another for axial flow compressor stator blade stock removal computing system
Module connection diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of calculation method of the stator blade stock removal for axial flow compressor, comprising:
S100, between the casing inner wall and stator blade of axial flow compressor gap distribution be arranged at least three measurement points after,
The a reference value and tolerance zone value in gap corresponding with measurement point are analyzed and determined respectively.
For example, to a measurement point is respectively set on the gap four direction between the casing inner wall and stator blade of axial flow compressor
After can be as follows, but not limited to this:
| Stator blade | On | Under | It is right | It is left |
| Tolerance zone value (minimum) | 0.93 | 0.87 | 0.90 | 0.90 |
| Tolerance zone value (maximum) | 1.23 | 1.17 | 1.20 | 1.20 |
| A reference value | 1.03 | 0.97 | 1.00 | 1.00 |
Wherein, a reference value in gap is the best clearance value in the corresponding gap of measurement point, and tolerance zone value is measurement point pair
The gap width within this range in the gap answered all is qualified.
S200, real-time measurement is carried out respectively to gap corresponding with measurement point, by calculating separately and each measurement point pair
Difference between a reference value answered and the gap width measured obtains the benchmark stock removal of the corresponding stator blade of each measurement point.
Wherein, when carrying out real-time measurement respectively to gap corresponding with measurement point, each survey is measured respectively by galvanized wire
The difference of radius between the corresponding casing inner wall of amount point and stator blade, determines the corresponding gap width of each measurement point.
For example, obtaining each measurement point after to real-time measurement is carried out respectively to gap corresponding with four measurement points respectively
The benchmark stock removal of corresponding stator blade can be as follows, but not limited to this:
| Stator blade | On | Under | It is right | It is left |
| Measure gap | 0.45 | 0.42 | 0.4 | 0.43 |
| Tolerance zone (minimum) | 0.93 | 0.87 | 0.90 | 0.90 |
| Tolerance zone (maximum) | 1.23 | 1.17 | 1.20 | 1.20 |
| A reference value | 1.03 | 0.97 | 1.00 | 1.00 |
| Benchmark stock removal | 0.58 | 0.55 | 0.60 | 0.57 |
S300, the corresponding stator blade of each measurement point of comparison benchmark stock removal numerical values recited, the benchmark of stator blade is ground
The tolerance zone minimum value of the corresponding measurement point of the maximum value of amount is as grinding benchmark event value.
For example, the maximum value of the benchmark stock removal of stator blade is 0.6, benchmark stock removal is the allowable of 0.6 corresponding measurement point
Stated range minimum is 0.9, and by 0.9 as benchmark event value is ground, can be as follows, but not limited to this:
| Stator blade | On | Under | It is right | It is left |
| Measure gap | 0.45 | 0.42 | 0.4 | 0.43 |
| Tolerance zone (minimum) | 0.93 | 0.87 | 0.90 | 0.90 |
| Tolerance zone (maximum) | 1.23 | 1.17 | 1.20 | 1.20 |
| A reference value | 1.03 | 0.97 | 1.00 | 1.00 |
| Benchmark stock removal | 0.58 | 0.55 | 0.60 | 0.57 |
| It is ground benchmark event value | 0.90 |
S400, by calculate grinding benchmark event value and the gap width of the corresponding measurement point of grinding benchmark event value it
Between difference, determine the stock removal of stator blade.
For example, the determination of the stock removal of stator blade can be as follows, but not limited to this:
| Stator blade | On | Under | It is right | It is left |
| Measure gap | 0.45 | 0.42 | 0.4 | 0.43 |
| Tolerance zone (minimum) | 0.93 | 0.87 | 0.90 | 0.90 |
| Tolerance zone (maximum) | 1.23 | 1.17 | 1.20 | 1.20 |
| A reference value | 1.03 | 0.97 | 1.00 | 1.00 |
| Benchmark stock removal | 0.58 | 0.55 | 0.60 | 0.57 |
| It is ground benchmark event value | 0.90 | |||
| Stock removal | 0.50 |
As a preferred embodiment, as shown in Fig. 2, after the stock removal for determining the stator blade, further includes:
S500, it after being added the gap width that each measurement point measures with stock removal, obtains stator blade is after grinding each
The corresponding calculated gap value of measurement point；
S600, each calculated gap value is distinguished to the corresponding tolerance zone maximum value of corresponding each measurement point and most
Small value compares；
If S700, each calculated gap value respectively in the corresponding corresponding tolerance zone maximum value of each measurement point and
Between minimum value, then calculated gap value meets the tolerance zone in the gap between institute stator blade and casing inner wall, i.e. stock removal meets
Requirement to stator blade practical grinding amount.
For example, the judgement that the stock removal of stator blade meets the requirement to stator blade practical grinding amount can be as follows, but unlimited
In this:
| Stator blade | On | Under | It is right | It is left |
| Measure gap | 0.45 | 0.42 | 0.4 | 0.43 |
| Tolerance zone (minimum) | 0.93 | 0.87 | 0.90 | 0.90 |
| Tolerance zone (maximum) | 1.23 | 1.17 | 1.20 | 1.20 |
| A reference value | 1.03 | 0.97 | 1.00 | 1.00 |
| Benchmark stock removal | 0.58 | 0.55 | 0.60 | 0.57 |
| It is ground benchmark event value | 0.90 | |||
| Stock removal | 0.50 | |||
| Calculated gap value | 0.95 | 0.92 | 0.90 | 0.93 |
| Gap width judgement | √ | √ | √ | √ |
Further, as shown in figure 3, it is corresponding perhaps each calculated gap value is distinguished corresponding each measurement point
After being compared with range maximum value and minimum value, further includes:
If S701, each calculated gap value are less than corresponding each measurement point tolerance zone minimum value, it will grind
It cuts benchmark event value and carries out numerical value increase adjustment；
S702, the stock removal of stator blade is increased by grinding benchmark event value after numerical value increase adjustment, and then makes calculated gap
Value increases；
S703, will be increased after each calculated gap be worth corresponding each measurement point tolerance zone maximum value
It is compared with minimum value, if each calculated gap value after increasing is maximum in corresponding each measurement point tolerance zone
Between value and minimum value, then stop carrying out grinding benchmark event value numerical value increase adjustment, if each calculated gap after increasing
Value then continues not between corresponding each measurement point tolerance zone maximum value and minimum value to grinding benchmark event value
Numerical value increase adjustment is carried out, until each calculated gap value is in corresponding each measurement point tolerance zone maximum value and most
Between small value, stop carrying out grinding benchmark event value numerical value increase adjustment.
Wherein, by be ground benchmark event value measurement point corresponding with the maximum value of benchmark stock removal tolerance zone most
Numerical value adjustment is carried out between small value and maximum value.
Further, as shown in figure 4, each calculated gap value to be distinguished to corresponding each measurement point model allowable
Enclose maximum value and after minimum value compares, further includes:
If S701a, each calculated gap value are greater than corresponding each measurement point tolerance zone maximum value, will be ground
Benchmark event value carries out numerical value and reduces adjustment；
S702b, the stock removal of the stator blade is reduced by the numerical value reduction adjustment grinding benchmark event value, and then makes to count
Gap width is calculated to reduce；
S703b, will be reduced after each calculated gap value distinguish corresponding each measurement point tolerance zone
Maximum value and minimum value compare, if each calculated gap value after reducing is in corresponding each measurement point model allowable
It encloses between maximum value and minimum value, then stops carrying out grinding benchmark event value numerical value reduction adjustment, if each meter after reducing
Gap width is calculated not between corresponding each measurement point tolerance zone maximum value and minimum value, then is continued to grinding benchmark
Gap width carries out numerical value and reduces adjustment, until each calculated gap value is maximum in corresponding each measurement point tolerance zone
Between value and minimum value, stop carrying out grinding benchmark event value numerical value reduction adjustment.
As the specific implementation of Fig. 1 to Fig. 4 method, the embodiment of the invention provides a kind of stator blades for axial flow compressor
The computing system of stock removal, as shown in figure 5, system includes: analysis module 100, benchmark stock removal determining module 200, grinding base
Quasi- gap width determining module 300 and stock removal determining module 400.
Analysis module 100, for the gap distribution setting at least three between the casing inner wall and stator blade to axial flow compressor
After a measurement point, a reference value and tolerance zone value in gap corresponding with measurement point are analyzed and determined respectively；
Benchmark stock removal determining module 200, for carrying out real-time measurement respectively to gap corresponding with measurement point, by dividing
Not Ji Suan difference between a reference value corresponding with each measurement point and the gap width measured, it is corresponding quiet to obtain each measurement point
The benchmark stock removal of leaf；
It is ground benchmark event value determining module 300, for comparing the benchmark stock removal of each measurement point corresponding stator blade
Numerical values recited, using the tolerance zone minimum value of the corresponding measurement point of maximum value of the benchmark stock removal of stator blade as between grinding benchmark
Gap value；
Stock removal determining module 400, for corresponding with grinding benchmark event value by calculating grinding benchmark event value
Difference between the gap width of measurement point determines the stock removal of stator blade.
As shown in fig. 6, a kind of computing system of the stator blade stock removal for axial flow compressor further include:
Calculated gap value determining module 500, after the gap width for measuring each measurement point is added with stock removal, is obtained
By the corresponding calculated gap value of stator blade each measurement point after grinding；
Gap width contrast module 600, it is corresponding for each calculated gap value to be distinguished corresponding each measurement point
Tolerance zone maximum value and minimum value compare；
Stock removal detection module 700, if corresponding in corresponding each measurement point respectively for each calculated gap value
Tolerance zone maximum value and minimum value between, then calculated gap value meets the model allowable in the gap between stator blade and casing inner wall
It encloses, i.e., stock removal meets the requirement to stator blade practical grinding amount.
Further, stock removal detection module 700 includes:
If each calculated gap value is less than corresponding each measurement point tolerance zone minimum value, benchmark will be ground
Gap width carries out numerical value increase adjustment；
Increase the stock removal of stator blade by grinding benchmark event value after numerical value increase adjustment, and then increases calculated gap value
Greatly；
Each calculated gap after being increased is worth corresponding each measurement point tolerance zone maximum value and most
Small value compares, if each calculated gap value after increasing in corresponding each measurement point tolerance zone maximum value and
Between minimum value, then stop carrying out grinding benchmark event value numerical value increase adjustment, if each calculated gap value after increasing is not
Between corresponding each measurement point tolerance zone maximum value and minimum value, then continue to carry out grinding benchmark event value
Numerical value increase adjustment, until each calculated gap value is in corresponding each measurement point tolerance zone maximum value and minimum value
Between, stop carrying out grinding benchmark event value numerical value increase adjustment.
Wherein, benchmark event value will be ground in the model allowable of the measurement point corresponding with the maximum value of benchmark stock removal
Enclose progress numerical value adjustment between minimum value and maximum value.
Further, stock removal detection module 700 further include:
It, will be between grinding benchmark if each calculated gap value is greater than corresponding each measurement point tolerance zone maximum value
Gap value carries out numerical value and reduces adjustment；
Reduce adjustment grinding benchmark event value by numerical value and reduce the stock removal of stator blade, and then reduces calculated gap value；
Each calculated gap value after being reduced distinguishes corresponding each measurement point tolerance zone maximum value
It is compared with minimum value, if each calculated gap value after reducing is maximum in corresponding each measurement point tolerance zone
Between value and minimum value, then stop carrying out grinding benchmark event value numerical value reduction adjustment, if each calculated gap after reducing
Value then continues not between corresponding each measurement point tolerance zone maximum value and minimum value to grinding benchmark event value
It carries out numerical value and reduces adjustment, until each calculated gap value is in corresponding each measurement point tolerance zone maximum value and most
Between small value, stop carrying out grinding benchmark event value numerical value reduction adjustment.
As a preferred embodiment, benchmark stock removal determining module 200 includes: clearance measurement module, for passing through lead
Silk measures the difference of the radius between the corresponding casing inner wall of each measurement point and stator blade respectively, determines each measurement point corresponding
Gap value.
It should be noted that a kind of calculating of stator blade stock removal for axial flow compressor provided in an embodiment of the present invention fills
Other corresponding descriptions of involved each functional unit are set, can be with reference to the corresponding description in Fig. 1,2,3,4, details are not described herein.
Based on above-mentioned method as shown in Figure 1,2,3, 4, correspondingly, the embodiment of the invention also provides a kind of storage equipment,
It is stored thereon with computer program, which realizes above-mentioned one kind as shown in Figure 1,2,3, 4 for axis when being executed by processor
Flow the calculation method of the stator blade stock removal of compressor.
Based on the embodiment of above-mentioned method as shown in Figure 1,2,3, 4 and the virtual bench as shown in Fig. 5,6,7,8, in order to realize
Above-mentioned purpose, the embodiment of the invention also provides a kind of computing system of stator blade stock removal for axial flow compressor, the entities
Device includes storage equipment and processor；Equipment is stored, for storing computer program；Processor, for executing computer journey
Sequence is to realize the calculation method of above-mentioned stator blade stock removal for axial flow compressor as shown in Figure 1,2,3, 4 a kind of.
By applying the technical scheme of the present invention, by the setting measurement point between casing inner wall and stator blade it is corresponding between
Gap carries out the determination of a reference value and tolerance zone value, and carries out real-time measurement to the corresponding gap of measurement point, to determine stator blade
Stock removal, reduce to the gap width calculation times and stock removal repeated examinations between casing inner wall and stator blade, and then reduce
To the workload that stator blade stock removal calculates, shorten the antenatal time of axial flow compressor.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of calculation method of the stator blade stock removal for axial flow compressor characterized by comprising
To between the casing inner wall and stator blade of axial flow compressor gap distribution be arranged at least three measurement points after, respectively to institute
The a reference value and tolerance zone value for stating the corresponding gap of measurement point are analyzed and are determined；
Real-time measurement is carried out respectively to gap corresponding with the measurement point, it is corresponding with each measurement point by calculating separately
The a reference value and the gap width that measures between difference, obtain the benchmark mill of the corresponding stator blade of each measurement point
The amount of cutting；
The numerical values recited for comparing the benchmark stock removal of the corresponding stator blade of each measurement point grinds the benchmark of the stator blade
The tolerance zone minimum value of the corresponding measurement point of the maximum value for the amount of cutting is as grinding benchmark event value；
By calculate the grinding benchmark event value and the gap width for being ground the corresponding measurement point of benchmark event value it
Between difference, determine the stock removal of the stator blade.
2. a kind of calculation method of stator blade stock removal for axial flow compressor according to claim 1, which is characterized in that
After the stock removal for determining the stator blade, further includes:
After the gap width of each measurement point measurement is added with the stock removal, obtain the stator blade is after grinding each
The corresponding calculated gap value of a measurement point；
Each calculated gap value is distinguished into the corresponding tolerance zone maximum value of corresponding each measurement point and most
Small value compares；
If each calculated gap value respectively in the corresponding tolerance zone maximum value of corresponding each measurement point and
Between minimum value, then the calculated gap value meets the tolerance zone in the gap between the stator blade and the casing inner wall, i.e.,
The stock removal meets the requirement to the stator blade practical grinding amount.
3. a kind of calculation method of stator blade stock removal for axial flow compressor according to claim 2, which is characterized in that
Each calculated gap value is being distinguished into the corresponding tolerance zone maximum value of corresponding each measurement point and minimum
After value compares, further includes:
It, will be described if each calculated gap value is less than corresponding each measurement point tolerance zone minimum value
It is ground benchmark event value and carries out numerical value increase adjustment；
Increase the stock removal of the stator blade by the grinding benchmark event value after numerical value increase adjustment, and then makes between the calculating
Gap value increases；
Each calculated gap after being increased is worth corresponding each measurement point tolerance zone maximum value
It is compared with minimum value；
If each calculated gap value after increasing in corresponding each measurement point tolerance zone maximum value and
Between minimum value, then stop carrying out the grinding benchmark event value numerical value increase adjustment；
If each calculated gap value after increasing is not in corresponding each measurement point tolerance zone maximum value
Between minimum value, then continue to carry out the grinding benchmark event value numerical value increase adjustment, until each calculated gap
Value stops between corresponding each measurement point tolerance zone maximum value and minimum value between the grinding benchmark
Gap value carries out numerical value increase adjustment.
4. a kind of calculation method of stator blade stock removal for axial flow compressor according to claim 3, which is characterized in that
By the benchmark event value that is ground in the tolerance zone minimum value of the measurement point corresponding with the maximum value of benchmark stock removal
Numerical value adjustment is carried out between maximum value.
5. a kind of calculation method of stator blade stock removal for axial flow compressor according to claim 2, which is characterized in that
By each calculated gap value distinguish corresponding each measurement point tolerance zone maximum value and minimum value into
After row comparison, further includes:
If each calculated gap value is greater than corresponding each measurement point tolerance zone maximum value, by the mill
It cuts benchmark event value and carries out numerical value reduction adjustment；
Reduce the adjustment grinding benchmark event value by numerical value and reduce the stock removal of the stator blade, and then makes the calculated gap
Value reduces；
Each calculated gap value after being reduced distinguishes corresponding each measurement point tolerance zone most
Big value and minimum value compare；
If each calculated gap value after reducing in corresponding each measurement point tolerance zone maximum value and
Between minimum value, then stop carrying out the grinding benchmark event value numerical value reduction adjustment
If each calculated gap value after reducing is not in corresponding each measurement point tolerance zone maximum value
Between minimum value, then continue to carry out the grinding benchmark event value numerical value reduction adjustment, until each calculated gap
Value stops between corresponding each measurement point tolerance zone maximum value and minimum value between the grinding benchmark
Gap value carries out numerical value and reduces adjustment.
6. a kind of calculation method of stator blade stock removal for axial flow compressor according to claim 1, which is characterized in that
When carrying out real-time measurement respectively to gap corresponding with the measurement point, each measurement point pair is measured respectively by galvanized wire
The difference for the radius between casing inner wall and stator blade answered determines the corresponding gap width of each measurement point.
7. a kind of computing system of the stator blade stock removal for axial flow compressor characterized by comprising
At least three measurement points are arranged for the gap distribution between the casing inner wall and stator blade to axial flow compressor in analysis module
Afterwards, a reference value and tolerance zone value in gap corresponding with the measurement point are analyzed and is determined respectively；
Benchmark stock removal determining module passes through difference for carrying out real-time measurement respectively to gap corresponding with the measurement point
The difference between a reference value corresponding with each measurement point and the gap width measured is calculated, each measurement is obtained
The benchmark stock removal of the corresponding stator blade of point；
It is ground benchmark event value determining module, for comparing the benchmark stock removal of each measurement point corresponding stator blade
Numerical values recited, using the tolerance zone minimum value of the corresponding measurement point of the maximum value of the benchmark stock removal of the stator blade as mill
Cut benchmark event value；
Stock removal determining module, for corresponding with the grinding benchmark event value by calculating the grinding benchmark event value
Difference between the gap width of measurement point determines the stock removal of the stator blade.
8. a kind of computing system of stator blade stock removal for axial flow compressor according to claim 7, which is characterized in that
Further include:
Calculated gap value determining module, after the gap width of each measurement point measurement is added with the stock removal,
It obtains the corresponding calculated gap value of the stator blade each measurement point after grinding；
Gap width contrast module, it is corresponding for each calculated gap value to be distinguished corresponding each measurement point
Tolerance zone maximum value and minimum value compare；
Stock removal detection module, if corresponding in corresponding each measurement point respectively for each calculated gap value
Tolerance zone maximum value and minimum value between, then the calculated gap value meets between the stator blade and the casing inner wall
The tolerance zone in gap, i.e., the described stock removal meet the requirement to the stator blade practical grinding amount.
9. a kind of storage medium, is stored thereon with computer program, which is characterized in that realization when described program is executed by processor
The calculation method of stator blade stock removal described in any item of the claim 1 to 8 for axial flow compressor.
10. a kind of rough milling device of 3 d impeller, including storage medium, processor and storage are on a storage medium and can be
The computer program run on processor, which is characterized in that the processor realizes claim 1 to 8 when executing described program
The calculation method of described in any item stator blade stock removals for axial flow compressor.
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| CN201811211225.6A CN109344522B (en) | 2018-10-17 | 2018-10-17 | Method and system for calculating grinding quantity of stationary blade of axial flow compressor |
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| CN201811211225.6A CN109344522B (en) | 2018-10-17 | 2018-10-17 | Method and system for calculating grinding quantity of stationary blade of axial flow compressor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076524A (en) * | 2019-04-30 | 2019-08-02 | 沈阳透平机械股份有限公司 | A kind of processing method of axial flow type compressor stator blade runner plate |
| CN114198151A (en) * | 2021-11-25 | 2022-03-18 | 沈阳透平机械股份有限公司 | Blade top gap control method for ORC turbine unit |
| CN116262302A (en) * | 2022-12-06 | 2023-06-16 | 杭州汽轮动力集团股份有限公司 | Method for ring welding of static blades of gas compressor of electron beam welding type gas turbine |
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| CN114198151B (en) * | 2021-11-25 | 2024-04-30 | 沈阳透平机械股份有限公司 | ORC turbine unit blade tip clearance control method |
| CN116262302A (en) * | 2022-12-06 | 2023-06-16 | 杭州汽轮动力集团股份有限公司 | Method for ring welding of static blades of gas compressor of electron beam welding type gas turbine |
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