CN115439021A - Metal strengthening treatment quality analysis method and system - Google Patents
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Abstract
The invention discloses a quality analysis method and a system for metal strengthening treatment, which relate to the technical field of intelligent processing and comprise the following steps: obtaining a strengthening step in a strengthening process; obtaining the influence weight of each strengthening step in the strengthening process on the metal strengthening treatment quality; acquiring real-time processing parameter data; calculating an execution fraction of the real-time processing parameter data; calculating to obtain an execution index of the strengthening step; calculating the required execution index of the subsequent unfinished strengthening step; calculating the qualified probability of the quality of metal strengthening treatment; and setting a preset threshold value, and judging whether the qualified probability of the metal strengthening treatment quality is greater than the preset threshold value. The invention has the advantages that: the influence weight calculation is carried out on each step in the strengthening process, comprehensive analysis aiming at parameter change in the metal strengthening process can be realized, the requirement of the execution index of the next step can be dynamically obtained, the metal strengthening treatment quality is guaranteed, and the waste of strengthening processing resources is avoided.
Description
Technical Field
The invention relates to the technical field of intelligent processing, in particular to a quality analysis method and a quality analysis system for metal strengthening treatment.
Background
The metal strengthening is to improve the strength of the metal material by means of alloying, plastic deformation, heat treatment and the like, wherein the heat treatment is a common means for metal strengthening, and in the heat treatment step, the heat preservation temperature and the heat preservation time are key parameters for determining the quality of the final strengthening treatment.
In the prior art, the monitoring process of the metal strengthening treatment process is usually judged only by aiming at the qualification of a single parameter, comprehensive analysis on the metal strengthening treatment quality aiming at the parameter change in the metal strengthening step is lacked, the qualification probability of the metal final strengthening treatment quality cannot be judged according to the execution condition of the finished step, accurate subsequent step judgment cannot be carried out, and the waste of strengthening processing resources is easily caused.
Disclosure of Invention
In order to solve the above technical problems, the present technical solution provides a method and a system for analyzing quality of metal reinforcement processing, which solve the problems in the prior art that generally, only whether a single parameter is qualified or not is determined for a monitoring process of a metal reinforcement processing, comprehensive analysis on quality of metal reinforcement processing is lacked for parameter variation in a metal reinforcement step, a qualification probability of metal final reinforcement processing quality cannot be determined according to an execution condition of a completed step, accurate subsequent step determination cannot be performed, and waste of reinforcement processing resources is easily caused.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a metal strengthening treatment quality analysis method comprises the following steps:
determining a strengthening process of the current metal, and obtaining a strengthening step in the strengthening process;
analyzing the strengthening steps in the strengthening process to obtain the influence weight of each strengthening step in the strengthening process on the metal strengthening treatment quality;
monitoring the processing parameters in each strengthening step in real time to obtain real-time processing parameter data, wherein the processing parameters comprise heat preservation temperature and heat preservation time;
analyzing the real-time processing parameter data, and calculating the execution fraction of the real-time processing parameter data;
calculating to obtain an execution index of the strengthening step according to the execution fraction of the real-time processing parameter data;
analyzing the execution index of the completed strengthening step, and calculating the required execution index of the subsequent unfinished strengthening step;
calculating the qualified probability of the quality of metal strengthening treatment according to the required execution index of the subsequent unfinished strengthening step;
setting a preset threshold, comparing the qualified probability of the metal strengthening treatment quality with the preset threshold, and judging whether the qualified probability of the metal strengthening treatment quality is greater than the preset threshold;
if yes, the qualification probability is determined to be high, the subsequent metal strengthening step is continued normally, and if no, the qualification probability is determined to be low, and the metal strengthening process is stopped.
Preferably, the method for calculating the influence weight of each strengthening step in the strengthening process on the quality of the metal strengthening treatment specifically includes the following steps:
acquiring historical sample strengthening data and establishing a historical sample set;
calculating according to historical sample strengthening data to obtain execution scores of the sample heat preservation temperature and the sample heat preservation time, and obtaining a plurality of sample heat preservation temperature execution scores and a plurality of sample heat preservation time execution scores;
calculating influence factors of the heat preservation temperature and the heat preservation time in each step of strengthening treatment on the metal strengthening treatment quality according to the heat preservation temperature execution scores of the samples and the heat preservation time execution scores of the samples;
and calculating the influence weight of the corresponding strengthening step on the metal strengthening treatment quality according to the influence factors of the heat preservation temperature and the heat preservation time in each strengthening step on the metal strengthening treatment quality.
Preferably, the formula for calculating the influence factors of the holding temperature and the holding time in each strengthening step on the quality of the metal strengthening treatment is as follows:
in the formula (I), the compound is shown in the specification,
the heat preservation temperature or the heat preservation time is an influence factor on the metal strengthening treatment quality;
u is a historical sample set, and U and v are elements in the historical sample set;
Preferably, the calculation formula of the influence weight of the strengthening step on the metal strengthening treatment quality is as follows:
wherein, B is the weight of the influence of the strengthening step on the quality of the metal strengthening treatment;
Preferably, the step of calculating the execution fraction of the holding temperature comprises:
according to a set time interval, carrying out real-time temperature acquisition on the metal in the heat preservation stage to obtain a plurality of real-time temperature data;
performing execution fraction calculation of the heat preservation temperature according to the plurality of real-time temperature data;
the execution fraction calculation formula of the heat preservation temperature is as follows:
in the formula (I), the compound is shown in the specification,
is the execution fraction of the holding temperature;
Preferably, the step of calculating the fraction of the incubation time is as follows:
recording the heat preservation time in the metal strengthening step to obtain actual heat preservation time data;
calculating the execution fraction of the heat preservation time according to the actual heat preservation time data;
the execution fraction calculation formula of the heat preservation time is as follows:
in the formula (I), the compound is shown in the specification,
is the execution fraction of the holding time;
and t is the actual heat preservation time of the metal strengthening step.
Preferably, the formula for calculating the execution index of the acquiring enhancement step is as follows:
wherein A is the execution index of the strengthening step.
Preferably, the method for calculating the required performance index of the subsequent unfinished reinforcement step includes:
in the formula (I), the compound is shown in the specification,
the lowest mass fraction is qualified in the quality of metal strengthening treatment;
n is the number of completed reinforcement steps;
n is the total number of strengthening steps;
and calculating the required execution index of the subsequent unfinished strengthening step under the condition of meeting the inequality according to the inequality.
Preferably, the method for calculating the quality qualification probability of metal strengthening treatment comprises:
acquiring historical execution index data of uncompleted processing steps in the historical data;
calculating according to the historical execution index data of the unfinished processing steps, counting the number of the cases which meet the execution indexes needed by the unfinished strengthening steps and the number of the cases which do not meet the execution indexes needed by the finished strengthening steps, and obtaining historical statistical data;
calculating the qualified probability of the metal strengthening treatment quality according to historical statistical data;
the calculation formula of the quality qualification probability of the metal strengthening treatment is as follows:
in the formula, P is the quality qualification probability of metal strengthening treatment;
A metal strengthening treatment quality analysis system is used for realizing the metal strengthening treatment quality analysis method, and comprises the following steps:
the central controller is used for outputting control signals to the components to realize control over the components;
the data receiving module is used for receiving the processing parameter data;
the data calculation module is electrically connected with the data receiving module and the central controller and is used for performing execution fraction calculation of processing parameter data, execution index calculation for acquiring strengthening steps and metal strengthening treatment quality qualification probability calculation;
the data analysis module is electrically connected with the data calculation module and the central controller and is used for judging whether the qualified probability of the metal strengthening treatment quality is greater than a preset threshold value or not;
and the signal output module is electrically connected with the data analysis module and the central controller and is used for outputting a control signal to the metal strengthening processing device according to a judgment result.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a metal strengthening treatment quality analysis method, which is characterized in that each step in a strengthening process is subjected to influence weight calculation, then each step is subjected to execution index calculation in the actual metal strengthening treatment process, the execution index and the influence weight of the finished step and the influence weight of the unfinished step are utilized to calculate the qualified probability of the strengthening quality, and the strengthening processing process of the subsequent unfinished processing step is guided according to the qualified probability of the strengthening quality.
Drawings
FIG. 1 is a flow chart of an analysis method proposed by the present invention;
FIG. 2 is a flow chart of the calculation of the influence weight of the strengthening step on the quality of the metal strengthening treatment in the present invention;
FIG. 3 is a flow chart of the calculation of the quality qualification probability of the metal strengthening treatment;
fig. 4 is a system structure block diagram of the analysis method proposed by the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1, a method for analyzing quality of metal strengthening treatment includes:
determining a strengthening process of the current metal, and obtaining a strengthening step in the strengthening process;
analyzing the strengthening steps in the strengthening process to obtain the influence weight of each strengthening step in the strengthening process on the metal strengthening treatment quality;
monitoring the processing parameters in each strengthening step in real time to obtain real-time processing parameter data, wherein the processing parameters comprise heat preservation temperature and heat preservation time;
analyzing the real-time processing parameter data, and calculating the execution fraction of the real-time processing parameter data;
calculating to obtain an execution index of the strengthening step according to the execution fraction of the real-time processing parameter data;
analyzing the execution index of the completed strengthening step, and calculating the required execution index of the subsequent unfinished strengthening step;
calculating the qualified probability of the quality of metal strengthening treatment according to the required execution index of the subsequent unfinished strengthening step;
setting a preset threshold, comparing the qualified probability of the metal strengthening treatment quality with the preset threshold, and judging whether the qualified probability of the metal strengthening treatment quality is greater than the preset threshold;
if yes, the qualification probability is determined to be high, the subsequent metal strengthening step is continued normally, and if no, the qualification probability is determined to be low, and the metal strengthening process is stopped.
The technical scheme is that in the actual metal strengthening process, in order to ensure that the performance of the metal can meet the strengthening ideal energy requirement, multiple metal strengthening heat treatments are generally required to be performed on the metal, and the effect of each metal strengthening heat treatment step on the metal strengthening quality is different.
Referring to fig. 2, the method for calculating the influence weight of each strengthening step in the strengthening process on the quality of the metal strengthening treatment specifically includes the following steps:
acquiring historical sample strengthening data and establishing a historical sample set;
calculating according to historical sample strengthening data to obtain execution scores of the sample heat preservation temperature and the sample heat preservation time, and obtaining a plurality of sample heat preservation temperature execution scores and a plurality of sample heat preservation time execution scores;
calculating influence factors of the heat preservation temperature and the heat preservation time in each step of strengthening treatment on the metal strengthening treatment quality according to the heat preservation temperature execution scores of the samples and the heat preservation time execution scores of the samples;
and calculating the influence weight of the corresponding strengthening step on the metal strengthening treatment quality according to the influence factors of the heat preservation temperature and the heat preservation time in each strengthening step on the metal strengthening treatment quality.
The formula for calculating the influence factors of the heat preservation temperature and the heat preservation time in each step of strengthening step on the metal strengthening treatment quality is as follows:
in the formula (I), the compound is shown in the specification,
the heat preservation temperature or the heat preservation time is an influence factor on the metal strengthening treatment quality;
u is a historical sample set, and U and v are elements in the historical sample set;
The calculation formula of the influence weight of the strengthening step on the metal strengthening treatment quality is as follows:
wherein, B is the weight of the influence of the strengthening step on the quality of the metal strengthening treatment;
And calculating the influence weight of each strengthening step according to the strengthening processing heat preservation temperature and the strengthening processing heat preservation time in each step of a plurality of sample data, taking the influence weight of the strengthening step on the metal strengthening treatment quality as an important degree index in the metal strengthening step, and facilitating the analysis and judgment of the metal strengthening process in the follow-up process.
The method comprises the following steps of:
according to a set time interval, carrying out real-time temperature acquisition on the metal in the heat preservation stage to obtain a plurality of real-time temperature data;
performing execution fraction calculation of the heat preservation temperature according to the real-time temperature data;
the execution fraction calculation formula of the heat preservation temperature is as follows:
in the formula (I), the compound is shown in the specification,
is the execution fraction of the holding temperature;
and M is the number of the real-time temperature data.
As the metal heat treatment process is a continuous process, in the process of collecting the heat preservation temperature, continuous temperature collection is carried out according to a set time interval in the heat preservation continuous stage process by adopting a multi-point temperature collection mode, and then the execution fraction of the heat preservation temperature in the step is obtained by calculating a plurality of real-time temperature data.
The heat preservation time execution fraction calculation steps are as follows:
recording the heat preservation time in the metal strengthening step to obtain actual heat preservation time data;
calculating the execution fraction of the heat preservation time according to the actual heat preservation time data;
the execution fraction calculation formula of the heat preservation time is as follows:
in the formula (I), the compound is shown in the specification,
is the execution fraction of the holding time;
and t is the actual holding time of the metal strengthening step.
The execution fraction of the heat preservation time is calculated through the difference between the actual heat preservation time and the optimal heat preservation time, so that the execution standard of the heat preservation time of the reaction metal in the heat treatment stage can be effectively reflected.
The formula for calculating the execution index of the strengthening step is as follows:
wherein A is the execution index of the strengthening step.
The execution fraction of the heat preservation temperature and the execution fraction of the heat preservation time are multiplied to obtain a product value which is used as an execution index of the current step, so that the execution quality condition of the current reinforced step can be effectively reflected, and the execution condition of the finished step can be rapidly mastered by calculating the execution index of the reinforced step and combining the influence weight of the finished step, so that the follow-up step can be conveniently guided to be carried out.
The method for calculating the required execution index of the subsequent unfinished strengthening step comprises the following steps:
in the formula (I), the compound is shown in the specification,
the lowest mass fraction is qualified in the quality of metal strengthening treatment;
n is the number of completed reinforcement steps;
n is the total number of strengthening steps;
and calculating the required execution index of the subsequent unfinished strengthening step under the condition of meeting the inequality according to the inequality.
And calculating the execution indexes of the unfinished steps by combining the execution indexes and the influence weights of the finished steps and the influence weights of the unfinished steps with the mass fraction required to be reached in the actual processing process, and judging the execution index requirements of the subsequent steps for meeting the enhanced quality in the current processing state.
Referring to fig. 3, the method for calculating the quality passing probability of the metal strengthening treatment includes:
acquiring historical execution index data of uncompleted processing steps in the historical data;
calculating according to the historical execution index data of the unfinished processing steps, counting the number of the conditions meeting the execution indexes required by the unfinished strengthening steps and the number of the conditions not meeting the execution indexes required by the finished strengthening steps, and obtaining historical statistical data;
calculating the qualified probability of the metal strengthening treatment quality according to historical statistical data;
the calculation formula of the quality qualification probability of the metal strengthening treatment is as follows:
in the formula, P is the quality qualification probability of metal strengthening treatment;
Through calculation of the machining history data, the probability that the subsequent machining step meets the requirement of the execution index in the current machining state is obtained, and the subsequent strengthening step is guided to be carried out according to the actual probability, so that waste of strengthening machining resources can be effectively avoided.
Referring to fig. 4, a metal strengthening treatment quality analysis system is further provided for implementing the metal strengthening treatment quality analysis method, including:
the central controller is used for outputting control signals to the components to realize control over the components;
the data receiving module is used for receiving the processing parameter data;
the data calculation module is electrically connected with the data receiving module and the central controller and is used for performing execution fraction calculation of the processing parameter data, obtaining execution index calculation of the strengthening step and calculating the qualified probability of the metal strengthening treatment quality;
the data analysis module is electrically connected with the data calculation module and the central controller and is used for judging whether the qualified probability of the metal strengthening treatment quality is greater than a preset threshold value or not;
and the signal output module is electrically connected with the data analysis module and the central controller and is used for outputting a control signal to the metal strengthening processing device according to a judgment result.
The work flow of the metal strengthening treatment quality analysis system comprises the following steps:
the method comprises the following steps: the central controller outputs starting signals to all the components, the data receiving module receives real-time parameter data such as heat preservation temperature, heat preservation time and the like in the metal strengthening processing step and sends the real-time parameter data to the data calculating module;
step two: the data calculation module calculates the execution index of the calculation strengthening step through the real-time parameter data, and calculates the execution index requirement of the subsequent unfinished step according to the execution index of the finished step and the influence weight of the strengthening step;
step three: the data calculation module calculates the qualified probability of the metal strengthening treatment quality according to the execution index requirements of the subsequent unfinished steps;
step four: the data analysis module judges whether the qualified probability of the metal strengthening treatment quality is greater than a preset threshold value according to the preset probability threshold value and outputs a judgment result;
step five: and the signal output module outputs a control signal to the metal strengthening treatment device according to the judgment result, specifically, if the qualified probability of the quality of the metal strengthening treatment is greater than a preset threshold value, the qualified probability is judged to be high, the subsequent metal strengthening step is carried out normally, otherwise, the qualified probability is judged to be low, and the metal strengthening treatment is stopped.
In conclusion, the invention has the advantages that: the influence weight calculation is carried out on each step in the strengthening process, comprehensive analysis aiming at parameter change in the metal strengthening process can be realized, the execution index requirements of the following steps can be dynamically obtained, the metal strengthening treatment quality is guaranteed, and the waste of strengthening processing resources is avoided.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A metal strengthening treatment quality analysis method is characterized by comprising the following steps:
determining a strengthening process of the current metal, and obtaining a strengthening step in the strengthening process;
analyzing the strengthening steps in the strengthening process to obtain the influence weight of each strengthening step in the strengthening process on the metal strengthening treatment quality;
monitoring the processing parameters in each strengthening step in real time to obtain real-time processing parameter data, wherein the processing parameters comprise heat preservation temperature and heat preservation time;
analyzing the real-time processing parameter data, and calculating the execution fraction of the real-time processing parameter data;
calculating to obtain an execution index of the strengthening step according to the execution fraction of the real-time processing parameter data;
analyzing the execution index of the completed strengthening step, and calculating the required execution index of the subsequent unfinished strengthening step;
calculating the qualified probability of the quality of metal strengthening treatment according to the required execution index of the subsequent incomplete strengthening step;
setting a preset threshold, comparing the qualified probability of the metal strengthening treatment quality with the preset threshold, and judging whether the qualified probability of the metal strengthening treatment quality is greater than the preset threshold;
if yes, the qualification probability is judged to be high, the subsequent metal strengthening step is continued normally, if not, the qualification probability is judged to be low, and the metal strengthening treatment is stopped.
2. The method as claimed in claim 1, wherein the method for calculating the influence weight of each strengthening step in the strengthening process on the metal strengthening treatment quality specifically comprises the following steps:
acquiring historical sample strengthening data and establishing a historical sample set;
calculating according to historical sample strengthening data to obtain execution scores of the sample heat preservation temperature and the sample heat preservation time, and obtaining a plurality of sample heat preservation temperature execution scores and a plurality of sample heat preservation time execution scores;
calculating influence factors of the heat preservation temperature and the heat preservation time in each step of strengthening treatment on the metal strengthening treatment quality according to the heat preservation temperature execution scores of the samples and the heat preservation time execution scores of the samples;
and calculating the influence weight of the corresponding strengthening step on the metal strengthening treatment quality according to the influence factors of the heat preservation temperature and the heat preservation time in each strengthening step on the metal strengthening treatment quality.
3. The method according to claim 2, wherein the formula for calculating the influence factors of the holding temperature and holding time in each strengthening step on the metal strengthening treatment quality is as follows:
in the formula (I), the compound is shown in the specification,
the influence factor of the heat preservation temperature or the heat preservation time on the metal strengthening treatment quality is adopted;
u is a historical sample set, and U and v are elements in the historical sample set;
4. The method according to claim 3, wherein the calculation formula of the influence weight of the strengthening step on the metal strengthening treatment quality is:
wherein, B is the weight of the influence of the strengthening step on the quality of the metal strengthening treatment;
5. The method for analyzing the quality of metal strengthening treatment according to claim 4, wherein the step of calculating the execution fraction of the holding temperature comprises:
according to a set time interval, carrying out real-time temperature acquisition on the metal in the heat preservation stage to obtain a plurality of real-time temperature data;
performing execution fraction calculation of the heat preservation temperature according to the plurality of real-time temperature data;
the execution fraction calculation formula of the heat preservation temperature is as follows:
in the formula (I), the compound is shown in the specification,
is the execution fraction of the holding temperature;
6. The method for analyzing the quality of metal reinforcement treatment according to claim 5, wherein the step of calculating the execution fraction of the holding time comprises:
recording the heat preservation time in the metal strengthening step to obtain actual heat preservation time data;
calculating the execution fraction of the heat preservation time according to the actual heat preservation time data;
the execution fraction calculation formula of the heat preservation time is as follows:
in the formula (I), the compound is shown in the specification,
is the execution fraction of the incubation time;
7. The method according to claim 6, wherein the formula for calculating the performance index of the strengthening step is as follows:
in the formula, A is the execution index of the strengthening step.
8. The method of claim 7, wherein the method of calculating the performance index required for the subsequent unfinished strengthening step comprises:
in the formula (I), the compound is shown in the specification,
the lowest mass fraction is qualified for metal strengthening treatment;
and calculating the required execution index of the subsequent unfinished strengthening step under the condition of meeting the inequality according to the inequality.
9. The method of claim 8, wherein the method of calculating the quality passing probability of metal strengthening treatment comprises:
acquiring historical execution index data of uncompleted processing steps in the historical data;
calculating according to the historical execution index data of the unfinished processing steps, counting the number of the cases which meet the execution indexes needed by the unfinished strengthening steps and the number of the cases which do not meet the execution indexes needed by the finished strengthening steps, and obtaining historical statistical data;
calculating the qualified probability of the metal strengthening treatment quality according to historical statistical data;
the calculation formula of the quality qualification probability of the metal strengthening treatment is as follows:
in the formula, P is the qualified probability of metal strengthening treatment quality;
10. A metal-strengthening treatment quality analysis system for implementing the metal-strengthening treatment quality analysis method according to any one of claims 1 to 9, comprising:
the central controller is used for outputting control signals to the components to realize the control of the components;
the data receiving module is used for receiving the processing parameter data;
the data calculation module is electrically connected with the data receiving module and the central controller and is used for performing execution fraction calculation of processing parameter data, execution index calculation for acquiring strengthening steps and metal strengthening treatment quality qualification probability calculation;
the data analysis module is electrically connected with the data calculation module and the central controller and is used for judging whether the qualified probability of the metal strengthening treatment quality is greater than a preset threshold value or not;
and the signal output module is electrically connected with the data analysis module and the central controller and is used for outputting a control signal to the metal strengthening processing device according to a judgment result.
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