CN113189940B - Method for realizing analysis and adjustment of PCB (printed Circuit Board) liquid medicine based on ERP (Enterprise resource planning) system, electronic equipment and storage medium - Google Patents
Method for realizing analysis and adjustment of PCB (printed Circuit Board) liquid medicine based on ERP (Enterprise resource planning) system, electronic equipment and storage medium Download PDFInfo
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Abstract
The application relates to a method for realizing analysis and adjustment of PCB liquid medicine based on an ERP system. The method comprises the following steps: acquiring liquid medicine analysis data; calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula; comparing the liquid medicine analysis result with a liquid medicine threshold value; performing liquid medicine adjustment according to the comparison result, including: if the liquid medicine analysis result is smaller than or equal to the minimum value of the liquid medicine threshold, adding liquid medicine according to the liquid medicine adding amount, and if the liquid medicine analysis result is equal to or greater than the maximum value of the liquid medicine threshold, performing liquid medicine drainage according to the liquid medicine drainage amount. According to the scheme, the whole process is subjected to calculation and analysis through the computer, so that the influence of human errors on analysis is reduced, the accuracy of liquid medicine analysis is improved, and the effectiveness of liquid medicine adjustment according to analysis results is improved due to the improvement of the accuracy of the analysis.
Description
Technical Field
The application relates to the technical field of ERP systems, in particular to a method for realizing analysis and adjustment of PCB (printed circuit board) liquid medicine based on an ERP system, electronic equipment and a storage medium.
Background
The ERP system is short for enterprise resource planning (Enterprise Resource Planning), and is a management platform integrating information technology and advanced management ideas based on the established information technology, and taking the systematic management ideas as into decision means for enterprise staff and decision-making layer technicians. ERP is not just a software but rather a management concept, which implements integration of enterprise internal resources and enterprise related external resources. The resource optimization and sharing are realized by tightly integrating the people, property, things, products, supply and sales of enterprises and corresponding logistics, information flows, fund flows, management flows, value added flows and the like through software.
Various liquid medicines can be used in a plurality of working procedures in the production of the PCB, and the concentration, the temperature, the PH value and the like of the liquid medicines directly influence whether the produced circuit board can meet the technological requirements, so that the analysis and the adjustment of the liquid medicines are an important link in the production of the PCB.
The existing ERP system does not comprise a module for analyzing and adjusting the liquid medicine of the PCB, and the traditional liquid medicine analysis and adjustment on the PCB production line are manually analyzed and adjusted, so that the manual analysis and adjustment are easy to cause errors, and the accuracy and the effectiveness of the liquid medicine analysis and adjustment are reduced.
In order to improve the accuracy and the effectiveness of liquid medicine analysis in the PCB production process, a reliable basis is provided for controlling the liquid medicine in the PCB production line, and the following technical scheme is provided.
Disclosure of Invention
In order to overcome the problems in the related art, the application provides a method for analyzing and adjusting the liquid medicine of a PCB based on an ERP system.
The first aspect of the application provides a method for realizing analysis and adjustment of PCB liquid medicine based on an ERP system, comprising the following steps:
acquiring liquid medicine analysis data which can reflect the use condition of liquid medicine used in the PCB production process;
calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula, wherein the liquid medicine calculation formula is determined according to different liquid medicine types and PCB production requirements, and the liquid medicine analysis result reflects the current liquid medicine amount;
comparing the liquid medicine analysis result with a liquid medicine threshold value, wherein the liquid medicine threshold value is the liquid medicine dosage required by the PCB production process;
performing liquid medicine adjustment according to the comparison result, including: if the liquid medicine analysis result is smaller than or equal to the minimum value of the liquid medicine threshold, adding liquid medicine according to the liquid medicine adding amount, and if the liquid medicine analysis result is equal to or greater than the maximum value of the liquid medicine threshold, performing liquid medicine drainage according to the liquid medicine drainage amount.
In a first possible implementation of the first aspect, the liquid medicine analysis data includes: liquid medicine titration data, test time period, work number, production line number, cylinder number, analysis item number, cylinder volume, analysis frequency, control range, liquid medicine adding formula and liquid medicine discharging amount formula.
With reference to the first possible implementation method of the first aspect, in a second possible implementation method, the liquid medicine titration data is used for inputting an ERP system as a variable parameter in the liquid medicine calculation formula;
the work number, the production line number, the cylinder number and the analysis item number are used for determining a specific liquid medicine analysis item;
the cylinder volume is used for calculating the adding amount of the liquid medicine and the liquid medicine discharge amount;
the analysis frequency is used for determining the number of times of inputting the analysis data of the liquid medicine every day;
the control range is used for judging whether the analysis result exceeds the range;
the liquid medicine adding formula is used for determining the adding amount of the liquid medicine;
the formula of the liquid medicine discharge amount is used for determining the liquid medicine discharge amount.
With reference to the first possible implementation manner of the first aspect, in a third possible implementation manner, before the acquiring the liquid medicine analysis data, the method further includes:
collecting the in-use liquid medicine on the PCB production line at fixed time;
quantitatively analyzing the in-use medicine water under specific conditions;
obtaining the liquid medicine titration data, wherein the liquid medicine titration data is the liquid medicine characteristic of the liquid medicine under the specific condition, and the liquid medicine characteristic comprises absorption luminosity.
With reference to the first possible implementation manner of the first aspect, in a fourth possible implementation manner, the liquid medicine adjustment information is collated to generate a liquid medicine adjustment notice, where the liquid medicine adjustment notice includes: the production line, the cylinder number, the name of the liquid medicine, the liquid medicine adjusting measure, the analysis result of the liquid medicine, the reason for the liquid medicine adjusting and the adjusting effect obtained based on the liquid medicine adjusting measure.
With reference to the first possible implementation manner of the first aspect, in a fifth possible implementation manner, the adjusting the liquid medicine according to the comparison result further includes:
according to the liquid medicine analysis data and the liquid medicine analysis result, the comparison result generates a liquid medicine analysis report, the liquid medicine analysis report can inquire the data of the appointed time and the appointed analysis item, and the liquid medicine analysis result, the liquid medicine addition amount, the liquid medicine discharge amount and whether the liquid medicine analysis result exceeds the control range can be displayed in a self-defined mode.
In a sixth possible implementation manner of the first aspect, after the calculating the liquid medicine analysis result according to the liquid medicine analysis data and the liquid medicine calculation formula, the method further includes:
inputting the liquid medicine analysis result into an SPC system;
generating an SPC chart based on the results of the liquid medicine analysis;
generating an SPC chart from the SPC chart, the SPC chart including a centerline and a standard deviation line, the standard deviation line comprising: positive 1-fold standard deviation line, positive 2-fold standard deviation line, positive 3-fold standard deviation line, negative 1-fold standard deviation line, and negative 2-fold standard deviation line;
judging whether the SPC control chart is in a non-control state;
if yes, automatically pushing the mail to perform early warning reminding.
In combination with the sixth possible implementation of the first aspect, in a seventh possible implementation of the method, the SPC management table includes: standard deviation, process accuracy, process precision, and process capability index;
the process accuracy represents the degree of deviation of the center position of the process characteristic;
the process precision represents the quality of the production condition;
the process capability index represents the process integration capability.
With reference to the sixth possible implementation method of the first aspect, in an eighth possible implementation method, the unregulated state includes: the method comprises the steps that a point appears in a management chart outside the limit of the management chart, 2 points or 3 points out of 3 continuous points on the same side of the central line in the management chart exceed a standard deviation line by 2 times, 4 points or 5 points out of 5 continuous points on the same side of the central line in the management chart exceed a standard deviation line by 1 time, more than 7 continuous points appear on the same side of the central line in the management chart, equal to or more than 7 continuous points appear in the management chart represent ascending trend or descending trend, equal to or more than 8 points appear in the management chart are distributed on two sides of the central line and exceed a standard deviation line by 1 time, equal to or more than 14 points appear in the management chart are alternately distributed up and down, and 15 continuous points appear in the management chart are distributed between the standard deviation line by 1 time and the standard deviation line by 1 time minus.
With reference to the eighth possible implementation method of the first aspect, in a ninth possible implementation method, a point in the control chart is outside the limit of the control chart, and the method may be used to detect an abnormal mutation of a process average value or a standard deviation;
2 points appear in 3 continuous points on the same side of the central line in the management chart or 3 points exceed 2 times of standard deviation lines, and the method can be used for detecting the change of middle finger and standard deviation;
more than 7 consecutive points in the control chart appear on the same side of the center line, and can be used for detecting the fine change of the average value or the standard value of the process;
the control chart shows an ascending trend or a descending trend of 7 or more continuous points, and can be used for detecting the larger change of the average value or standard deviation of the process;
the presence of equal to or more than 14 points alternating up and down can be used to detect system effects including machine, operator, or material suppliers;
15 consecutive points of the control pattern are distributed between the positive 1-fold standard deviation line and the negative 1-fold standard deviation line, which can be used to detect a reduced variability in the process.
A second aspect of the present application provides an electronic device, comprising:
a processor; and
a memory having executable code stored thereon which, when executed by the processor, causes the processor to perform the method as described above.
A third aspect of the present application provides a non-transitory machine-readable storage medium having stored thereon executable code which, when executed by a processor of an electronic device, causes the processor to perform the method as above.
The technical scheme that this application provided can include following beneficial effect: according to the scheme, liquid medicine analysis data are obtained; then calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula; comparing the liquid medicine analysis result with a liquid medicine threshold value; performing liquid medicine adjustment according to the comparison result, including: if the liquid medicine analysis result is smaller than or equal to the minimum value of the liquid medicine threshold, adding liquid medicine according to the liquid medicine adding amount, and if the liquid medicine analysis result is equal to or greater than the maximum value of the liquid medicine threshold, performing liquid medicine drainage according to the liquid medicine drainage amount. Through the data input ERP system that can reflect the liquid medicine service condition in the PCB production process, ERP system obtains the liquid medicine quantity on the current PCB production line according to the data and the liquid medicine calculation formula analysis of entering, then with this quantity and whether reasonable with settlement liquid medicine threshold value, if unreasonable then carry out liquid medicine flowing back or liquid medicine and add the quantity of assurance liquid medicine and accord with PCB production technology requirement's quantity. The whole process is calculated and analyzed by the computer, so that the influence of human errors on analysis is reduced, the accuracy of liquid medicine analysis is improved, and the effectiveness of liquid medicine adjustment according to analysis results is also improved due to the improvement of the accuracy of the analysis.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
Fig. 1 is a schematic flow chart of implementing a PCB liquid medicine analysis and adjustment method based on an ERP system according to an embodiment of the present application;
FIG. 2 is another flow chart of an ERP-based system implementing PCB lotion analysis and adjustment method according to an embodiment of the present application;
FIG. 3 is another flow chart of an ERP-based system implementing PCB lotion analysis and adjustment method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, a first message may also be referred to as a second message, and similarly, a second message may also be referred to as a first message, without departing from the scope of the present application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The existing ERP system does not comprise a module for analyzing and adjusting the liquid medicine of the PCB, and the traditional liquid medicine analysis and adjustment on the PCB production line are manually analyzed and adjusted, so that the manual analysis and adjustment are easy to cause errors, and the accuracy and the effectiveness of the liquid medicine analysis and adjustment are reduced.
Aiming at the problems, the embodiment of the application provides a method for realizing analysis and adjustment of PCB liquid medicine based on an ERP system, which can improve the accuracy and the effectiveness of liquid medicine analysis in the PCB production process.
The following describes the technical scheme of the embodiments of the present application in detail with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart of implementing a PCB liquid medicine analysis and adjustment method based on an ERP system according to an embodiment of the present application.
Referring to fig. 1, an embodiment of implementing a PCB lotion analysis and adjustment method based on an ERP system in an embodiment of the present application includes:
101. acquiring liquid medicine analysis data which can reflect the use condition of liquid medicine used in the PCB production process;
the liquid medicine mentioned in the implementation is a chemical solution which is needed in the production process of the PCB, such as electroplating liquid medicine, chemical plating liquid medicine, corrosion liquid medicine, deplating liquid medicine, stripping liquid medicine and the like.
The liquid medicine analysis data can reflect the type of liquid medicine, the working procedure of the liquid medicine, the production line of the liquid medicine, the cylinder body of the liquid medicine storage place, the reasonable dosage use range of the liquid medicine and the like.
In the embodiment of the application, the collected liquid medicine analysis data are input into an ERP system for storage, and when analysis is needed, the liquid medicine analysis data are obtained from a direct database.
102. Calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula, wherein the liquid medicine calculation formula is determined according to different liquid medicine types and PCB production requirements, and the liquid medicine analysis result reflects the current liquid medicine amount;
the analysis result of the liquid medicine reflects the amount of the liquid medicine, and the liquid medicine can be directly expressed by the concentration of the liquid medicine, and the concentration of the liquid medicine can be changed due to chemical reaction with the PCB in the production process of the PCB, so that the concentration of the liquid medicine is a variable value, and the concentration of the liquid medicine directly influences the production quality of the PCB, and therefore, the liquid medicine needs to be regulated and controlled to ensure the production quality within a reasonable concentration range all the time.
The formula for calculating the liquid medicine can calculate the concentration of the current liquid medicine according to the characteristic parameter of the liquid medicine, wherein the characteristic parameter of the liquid medicine is a characteristic parameter which is easy to obtain by testing or measuring, for example, the concentration of the alkaline solution is determined by using an acidic solution with a known concentration, the concentration of the alkaline solution can be obtained by determining the amount of the acidic solution used for neutralizing and quantifying the alkaline solution, and the amount of the acidic solution is a characteristic parameter which is easy to obtain.
The liquid medicine analysis data obtained in step 101 contains the characteristic parameters of the liquid medicine, and the obtained characteristic is input into a liquid medicine calculation formula to calculate and obtain the liquid medicine analysis result.
103. Comparing the liquid medicine analysis result with a liquid medicine threshold value, wherein the liquid medicine threshold value is the liquid medicine consumption required by the PCB production process;
the liquid medicine threshold is the concentration range of the liquid medicine conforming to the PCB production process liquid medicine, and the produced PCB can only achieve the production of the liquid medicine if the liquid medicine in the concentration range participates in the production.
The concentration of the liquid medicine calculated in step 102 is the concentration of the liquid medicine used on the current production line, and the liquid medicine needs to be compared with a liquid medicine threshold value to determine whether the liquid medicine is in a reasonable concentration range or not.
104. Performing liquid medicine adjustment according to the comparison result, including: if the liquid medicine analysis result is smaller than or equal to the minimum value of the liquid medicine threshold, adding liquid medicine according to the liquid medicine adding amount, and if the liquid medicine analysis result is equal to or greater than the maximum value of the liquid medicine threshold, performing liquid medicine drainage according to the liquid medicine drainage amount;
the liquid medicine adding amount and the liquid medicine discharging amount are calculated according to the difference value between the liquid medicine analysis result and the liquid medicine, and both can enable the liquid medicine which does not meet the concentration requirement at present to return to a reasonable concentration range, so that the production requirement is guaranteed to be met.
The technical scheme that this application provided can include following beneficial effect: according to the scheme, liquid medicine analysis data are obtained; then calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula; comparing the liquid medicine analysis result with a liquid medicine threshold value; performing liquid medicine adjustment according to the comparison result, including: if the liquid medicine analysis result is smaller than or equal to the minimum value of the liquid medicine threshold, adding liquid medicine according to the liquid medicine adding amount, and if the liquid medicine analysis result is equal to or greater than the maximum value of the liquid medicine threshold, performing liquid medicine drainage according to the liquid medicine drainage amount. Through the data input ERP system that can reflect the liquid medicine service condition in the PCB production process, ERP system obtains the liquid medicine quantity on the current PCB production line according to the data and the liquid medicine calculation formula analysis of entering, then with this quantity and whether reasonable with settlement liquid medicine threshold value, if unreasonable then carry out liquid medicine flowing back or liquid medicine and add the quantity of assurance liquid medicine and accord with PCB production technology requirement's quantity. The whole process is calculated and analyzed by the computer, so that the influence of human errors on analysis is reduced, the accuracy of liquid medicine analysis is improved, and the effectiveness of liquid medicine adjustment according to analysis results is also improved due to the improvement of the accuracy of the analysis.
For ease of understanding, the following provides an application embodiment for implementing PCB lotion analysis and adjustment based on the ERP system, referring to fig. 2, an embodiment for implementing PCB lotion analysis and adjustment based on the ERP system in the embodiment of the present application includes:
application implementations describe how the ERP system analyzes and adjusts the liquid medicine based on the liquid medicine analysis data, and more detailed features of the liquid medicine analysis and adjustment module of the ERP system will be shown in the embodiments of the application.
201. Acquiring liquid medicine analysis data which can reflect the use condition of liquid medicine used in the PCB production process;
the liquid medicine analysis data includes: liquid medicine titration data, test time period, work number, production line number, cylinder number, analysis item number, cylinder volume, analysis frequency, control range, liquid medicine adding formula and liquid medicine discharging amount formula. The liquid medicine titration data are used for inputting an ERP system as variable parameters in a liquid medicine calculation formula; the work number, the production line number, the cylinder number and the analysis item number are used for determining a specific liquid medicine analysis item; the cylinder volume is used for calculating the adding amount and the liquid discharge amount of the liquid medicine; the analysis frequency is used for determining the number of times of inputting liquid medicine analysis data every day; the control range is used for judging whether the analysis result exceeds the range; the liquid medicine adding formula is used for determining the adding amount of the liquid medicine; the formula of the liquid medicine discharge amount is used for determining the liquid medicine discharge amount.
The variable parameters in the liquid medicine calculation formula correspond to characteristic parameters of liquid medicine, and the liquid medicine in use on the PCB production line is collected at fixed time; quantitatively analyzing the in-use medicine water under specific conditions; the liquid medicine titration data is obtained, and the liquid medicine titration data is the liquid medicine characteristic of the liquid medicine under the specific conditions, and can be expressed through the characteristic parameters of the liquid medicine, such as the specific absorption luminosity of the liquid medicine.
Exemplary: the method comprises the following steps of [ copper deposition ], a production line [ copper deposition line ], and a cylinder body [ pit etching cylinder ]: 1. taking 10ml of K2MnO4 supernatant by a 10ml pipette, putting the supernatant into a 100ml quantitative bottle, diluting DI water to a scale, and shaking uniformly; 2. taking 1ml of diluted sample in a 100ml quantitative bottle by a 1ml pipette, diluting the scale with DI water, and shaking uniformly; 3. measuring and recording absorption luminosity of the diluent in the step 2 at the wavelengths of 526nm and 603nm to be X and Y respectively, wherein pure water is used as a reference; 4. parameters X and Y are input into an ERP system, corresponding analysis items are [ K2MnO4], corresponding liquid medicine calculation formulas are 136.6xX-12.27 xY, and liquid medicine analysis results are automatically calculated.
Setting a liquid medicine analysis basic data input interface through programming, wherein an input label of the input interface comprises: the method comprises the steps of working procedures, production lines, cylinder bodies, analysis items, cylinder volumes, units, analysis frequency, daily times, control range minimum value, control range maximum value, process range minimum value, process range maximum value, analysis method, calculation formula, addition standard, addition formula, liquid discharge amount formula, standard value, addition judgment (low value) and liquid discharge judgment (high value).
Setting a liquid medicine analysis updating data input interface through programming, wherein the input interface comprises three parts, the first part is a functional area, and the functional label comprises: new additions, modifications, deletions, saves, cancels, approves, prints, exports and queries. The second portion is for selecting an analysis item area, which in turn comprises: a screening condition input area and a screening result display area, the condition input label of the screening condition input area includes: procedures, production lines, cylinders, analysis items and assay dates; the display label of the screening result display area includes: assay time, analysis frequency, process, production line, cylinder, analysis project, calculation formula, cylinder volume (L), control range, process range, analysis method, addition formula, and addition standard. The third portion is a data entry area, which entry label comprises: the method comprises the steps of testing sequence, testing period, parameter X, parameter Y, parameter Z, parameter W, analysis result, liquid medicine adding amount, liquid discharge amount, whether the process range is exceeded, whether the control range is exceeded, remarking, retest recording and recording time.
The first time of data input is based on the prompt of the basic data input interface input label of liquid medicine analysis, the corresponding data is input into the corresponding text input box, the ERP system stores the data, and the following operation steps of data input are as follows: selecting or inputting corresponding working procedures, production line numbers, cylinder numbers, analysis item numbers and test dates in a screening condition input area in a liquid medicine analysis updating data input interface, clicking a query function, screening according to conditions in a database formed by data input for the first time and before, selecting targets in a query result displayed in a screening result display area by an ERP system, and finally inputting test time periods and corresponding parameter values in the data input area. The ERP system clicks a new function according to the input test period and parameter values, automatically invokes a calculation formula corresponding to a selected target in the selected analysis item area to calculate and obtain a liquid medicine analysis result, and then judges whether the result exceeds a process range or a control range, if not, N is displayed, if so, Y is displayed, and corresponding adjustment measures are displayed: corresponding liquid medicine adding amount or liquid discharge amount.
In the embodiment of the application, the ERP system acquires corresponding liquid medicine analysis data according to the selected target, and then acquires the recorded test period and parameter value.
202. Calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula;
in the embodiment of the application, the ERP system automatically invokes and selects a calculation formula corresponding to the selected target in the analysis project area according to the input test period and parameter values, then substitutes the parameter values into variable parameters in the calculation formula, and automatically calculates to obtain a liquid medicine analysis result.
203. Comparing the liquid medicine analysis result with a liquid medicine threshold value, and adjusting the liquid medicine according to the comparison result;
in the embodiment of the application, the obtained liquid medicine analysis result is respectively compared with the control range and the process range, whether the result exceeds the control range or the process range is judged, if both the result exceeds the control range or the process range, the adjustment is not performed, if the result is smaller than the control range or the process range, the liquid medicine is added according to the liquid medicine adding amount, and if the result is larger than the control range or the process range, the liquid is discharged according to the liquid medicine discharging amount, so that the liquid medicine is ensured to be in a reasonable range.
204. The liquid medicine adjustment information is arranged to generate a liquid medicine adjustment notice;
the notice information label of the liquid medicine adjustment notice sheet includes: production line, jar number and liquid medicine adjustment measure: liquid medicine name and adjustment measures, analysis results, remarks, retest sample delivery time, production department: operator/time and affirmer/time, procedure, notice generation date and time. If the liquid medicine is regulated, the ERP system retrieves the regulated information and the information for informing the liquid medicine regulation notice to be filled from the database to generate the liquid medicine regulation notice.
Exemplary: production line-copper deposition wire, cylinder number-14 # catalytic cylinder, liquid medicine name-palladium concentration and adjustment measure-liquid medicine adding amount: 1.129, analysis result-54.7, remark-lower than 56, adding medicine to adjust to 60, and informing procedure adjustment higher than 70; CAT44 (L) = (60-analysis result) cylinder volume/4700.
In the embodiment of the application, a data leakage record notification list is also generated, the ERP system determines the number of times that each analysis item needs to record data every day according to the analysis frequency, if the number of times that the data is recorded on the same day is smaller than the set number of times, the leakage record notification list is generated, and the system automatically pushes mails to send leakage record information to related personnel.
205. Generating a liquid medicine analysis report according to the liquid medicine analysis data and the liquid medicine analysis result;
the liquid medicine analysis report form consists of three parts, wherein the first part is a functional area, and the functional area is provided with function selection keys for adding, modifying, deleting, storing, canceling, previewing, SPC, exporting and inquiring; the second part is a screening condition setting area and a display content selecting area, wherein the screening condition setting area comprises: analysis date start day, analysis date end day, SPC, process, production line, cylinder, analysis project. The display content selection area includes: displaying analysis results, displaying the addition amount of liquid medicine, displaying the liquid discharge amount, displaying whether the process range is exceeded or not and displaying whether the control range is exceeded or not; the third part is a screening result display area, and the screening result display area is provided with display labels comprising: the process, the production line, the cylinder, the analysis project, the control range, the process range, the analysis frequency and the user-defined display options, namely the analysis result, the liquid medicine adding amount, the liquid discharge amount, whether the process range is exceeded or not and whether the control range is exceeded or not.
Exemplary: the initial date of analysis is set as 2019-07-03, the final date of analysis is set as 2019-07-03, the process is selected as copper deposition, the production line is selected as copper deposition B line, and the cylinder body is selected as 6-9# copper deposition cylinder. And selecting and displaying the analysis result, wherein one piece of information displayed in the screening result display area comprises the following steps: the method comprises the steps of working procedure-copper precipitation, production line-copper precipitation B line, cylinder body-6-9 # copper precipitation cylinder, analysis item-Cu < 2+ >, control range-1.8-2.2 g/L, process range-1.7-2.3 g/L, analysis frequency-3 times/class, 2019-07-03_1_1_analysis result-2.064, 2019-07-03_2 analysis result-1.969 and 2019-07-03_3 analysis result-1.937.
According to the embodiment of the application, the liquid medicine analysis data is obtained, the liquid medicine analysis data and the liquid medicine calculation formula are calculated to obtain a liquid medicine analysis result, then the liquid medicine analysis result and the liquid medicine threshold value are compared, liquid medicine adjustment is carried out according to the comparison result, liquid medicine adjustment information is arranged to generate a liquid medicine adjustment notice, and according to the liquid medicine analysis data and the liquid medicine analysis result, the comparison result generates a liquid medicine analysis report. Through overall management and systemization of related data of the liquid medicine, the system can rapidly count out analysis items of missed delivery; the data can be stored in a safer database; all relevant personnel can be notified rapidly when the liquid medicine analysis project is abnormal.
Another application embodiment for implementing PCB lotion analysis and adjustment based on the ERP system is provided below for illustration, referring to fig. 3, an embodiment for implementing PCB lotion analysis and adjustment based on the ERP system in the embodiment of the present application includes:
in the embodiment of the application, the analysis and adjustment of the PCB liquid medicine are systemized and then combined with SPC, so that the abnormality caused by the liquid medicine in the PCB production process is better found, the abnormality is analyzed to find the abnormality cause, and the improvement measures are timely taken, so that the production is recovered to be normal.
301. Acquiring liquid medicine analysis data which can reflect the use condition of liquid medicine used in the PCB production process;
in the embodiment of the present application, the specific content of step 301 is similar to that of step 201 in embodiment 2 described above, and will not be described here again.
302. Calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula;
in the embodiment of the present application, the specific content of step 302 is similar to that of step 202 in embodiment 2, and will not be described here.
303. Inputting the liquid medicine analysis result into an SPC system, generating an SPC management table based on the liquid medicine analysis result, and generating an SPC management chart according to the SPC management table;
SPC statistical process control (Statistical Process Control) is a process control tool that relies on mathematical statistical methods. The method analyzes and evaluates the production process, timely discovers symptoms of systematic factors according to feedback information, takes measures to eliminate the influence of the systematic factors, and maintains the process in a controlled state influenced by random factors only so as to achieve the purpose of controlling quality.
SPC charts include: standard deviation, process accuracy, process precision, process capability index, procedure, production line, cylinder, analysis project, spec, USL, CL, LSL, USL, CL, and LCL;
the process accuracy represents the degree of deviation of the center position of the process characteristics; the process precision represents the quality of the production condition; the process capability index represents the process integration capability. Process accuracy ca=2 x (actual center value-specification center value) x specification tolerance, process precision cp=specification tolerance/6σ, process capability index cpk=cp (1- |ca|).
The SPC control chart includes a centerline and a standard deviation line, the standard deviation line including: positive 1-fold standard deviation line, positive 2-fold standard deviation line, positive 3-fold standard deviation line, negative 1-fold standard deviation line, and negative 2-fold standard deviation line.
304. Judging whether the SPC control chart is in a non-control state, if so, automatically pushing the mail to perform early warning reminding;
the unregulated state includes: the method comprises the steps that one point appears in a management chart outside the limit of the management chart, 2 points or 3 points out of 3 continuous points on the same side of a central line in the management chart exceed a standard deviation line by 2 times, 4 points or 5 points out of 5 continuous points on the same side of the central line of the management chart exceed a standard deviation line by 1 time, more than 7 continuous points in the management chart appear on the same side of the central line, equal to or more than 7 continuous points in the management chart show rising trend or descending trend, equal to or more than 8 points in the management chart are distributed on two sides of the central line and exceed a standard deviation line by 1 time, equal to or more than 14 points in the management chart are alternately arranged up and down, and 15 continuous points in the management chart are distributed between a standard deviation line of plus 1 time and a standard deviation line of minus 1 time.
One point in the management chart is outside the limit of the management chart, and can be used for detecting abnormal mutation of the average value or standard deviation of the process; 2 points appear in 3 continuous points on the same side of the central line in the management chart or 3 points exceed 2 times of standard deviation lines, and the method can be used for detecting the change of the middle finger and the standard deviation; more than 7 continuous points in the management chart appear on the same side of the central line, and can be used for detecting the fine change of the average value or the standard value of the process; the occurrence of the upward trend or the downward trend of 7 or more continuous points in the management chart can be used for detecting the larger change of the average value or the standard deviation of the process; the presence of control charts at or above 14 points alternating up and down can be used to detect system effects, including machine, operator, or material suppliers; the 15 continuous points of the control chart are distributed between the positive 1 times standard deviation line and the negative 1 times standard deviation line, and can be used for detecting the variability reduction of the manufacturing process.
According to the embodiment of the application, the liquid medicine analysis data are obtained, and the liquid medicine analysis data can reflect the use condition of liquid medicine used in the PCB production process; calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula; inputting the liquid medicine analysis result into an SPC system, generating an SPC management table based on the liquid medicine analysis result, and generating an SPC management chart according to the SPC management table; judging whether the SPC control chart is in a non-control state, if so, automatically pushing the mail to perform early warning reminding. Through inputting the liquid medicine analysis result into an SPC system to generate a corresponding SPC management chart, the symptoms of faults caused by the liquid medicine in the PCB production process can be found in time through the state of the SPC management chart, measures can be taken in time to eliminate the influence caused by the liquid medicine, and the normal production operation of production is ensured.
Corresponding to the embodiment of the application function implementation method, the application further provides electronic equipment and corresponding embodiments.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Referring to fig. 4, an electronic device 401 includes a memory 402 and a processor 403.
The processor 403 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Memory 402 may include various types of storage units, such as system memory, read Only Memory (ROM), and persistent storage. Where the ROM may store static data or instructions that are required by the processor 403 or other modules of the computer. The persistent storage may be a readable and writable storage. The persistent storage may be a non-volatile memory device that does not lose stored instructions and data even after the computer is powered down. In some embodiments, the persistent storage device employs a mass storage device (e.g., magnetic or optical disk, flash memory) as the persistent storage device. In other embodiments, the persistent storage may be a removable storage device (e.g., diskette, optical drive). The system memory may be a read-write memory device or a volatile read-write memory device, such as dynamic random access memory. The system memory may store instructions and data that are required by some or all of the processors at runtime. Furthermore, memory 402 may include any combination of computer-readable storage media, including various types of semiconductor memory chips (DRAM, SRAM, SDRAM, flash memory, programmable read-only memory), magnetic disks, and/or optical disks may also be employed. In some implementations, memory 402 may include readable and/or writable removable storage devices such as Compact Discs (CDs), digital versatile discs (e.g., DVD-ROMs, dual layer DVD-ROMs), blu-ray discs read only, super-density discs, flash memory cards (e.g., SD cards, min SD cards, micro-SD cards, etc.), magnetic floppy disks, and the like. The computer readable storage medium does not contain a carrier wave or an instantaneous electronic signal transmitted by wireless or wired transmission.
The memory 402 has stored thereon executable code that, when processed by the processor 403, can cause the processor 403 to perform some or all of the methods described above.
The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required in the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the apparatus of the embodiment of the present application may be combined, divided and pruned according to actual needs.
Furthermore, the method according to the present application may also be implemented as a computer program or computer program product comprising computer program code instructions for performing part or all of the steps of the above-described method of the present application.
Alternatively, the present application may also be embodied as a non-transitory machine-readable storage medium (or computer-readable storage medium, or machine-readable storage medium) having stored thereon executable code (or a computer program, or computer instruction code) that, when executed by a processor of an electronic device (or electronic device, server, etc.), causes the processor to perform some or all of the steps of the above-described methods according to the present application.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the application herein may be implemented as electronic hardware, computer software, or combinations of both.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems and methods according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (8)
1. A method for realizing analysis and adjustment of PCB liquid medicine based on an ERP system is characterized by comprising the following steps:
acquiring liquid medicine analysis data which can reflect the use condition of liquid medicine used in the PCB production process; the liquid medicine analysis data includes: liquid medicine titration data, test time period, work sequence number, production line number, cylinder number, analysis project number, cylinder volume, analysis frequency, control range, liquid medicine adding formula and liquid medicine discharging formula; the liquid medicine titration data are used for inputting an ERP system as variable parameters in the liquid medicine calculation formula;
calculating to obtain a liquid medicine analysis result through the liquid medicine analysis data and a liquid medicine calculation formula, wherein the liquid medicine calculation formula is determined according to different liquid medicine types and PCB production requirements, and the liquid medicine analysis result reflects the current liquid medicine amount; further comprises:
inputting the liquid medicine analysis result into an SPC system;
generating an SPC chart based on the results of the liquid medicine analysis;
generating an SPC chart from the SPC chart, the SPC chart comprising a centerline and a standard deviation line, the standard deviation line comprising: positive 1-fold standard deviation line, positive 2-fold standard deviation line, positive 3-fold standard deviation line, negative 1-fold standard deviation line, and negative 2-fold standard deviation line;
judging whether the SPC control chart is in a non-control state; wherein the SPC chart comprises: standard deviation, process accuracy, process precision, and process capability index; the process accuracy represents the deviation degree of the center position of the process characteristic; the process precision represents the quality of the production condition; the process capability index represents a process integrated capability; the unregulated state includes: a point appears in the management chart outside the limit of the management chart, 2 points or 3 points out of 3 continuous points on the same side of the central line in the management chart exceed 2 times standard deviation lines, 4 points or 5 points out of 5 continuous points on the same side of the central line in the management chart exceed 1 time standard deviation lines, more than 7 continuous points appear on the same side of the central line in the management chart, equal to or more than 7 continuous points appear in the management chart represent ascending trend or descending trend, equal to or more than 8 points appear in the management chart are distributed on two sides of the central line and exceed 1 time standard deviation lines, equal to or more than 14 points appear in the management chart are alternately up and down, and 15 continuous points appear in the management chart are distributed between the positive 1 time standard deviation lines and the negative 1 time standard deviation lines;
if yes, automatically pushing the mail to perform early warning reminding;
comparing the liquid medicine analysis result with a liquid medicine threshold value, wherein the liquid medicine threshold value is the liquid medicine consumption required by the PCB production process;
performing liquid medicine adjustment according to the comparison result, including: if the liquid medicine analysis result is smaller than or equal to the minimum value of the liquid medicine threshold, adding liquid medicine according to the liquid medicine adding amount, and if the liquid medicine analysis result is equal to or greater than the maximum value of the liquid medicine threshold, performing liquid medicine drainage according to the liquid medicine drainage amount.
2. The method for analyzing and adjusting PCB liquid medicine based on the ERP system of claim 1, wherein the method comprises the steps of,
the work number, the production line number, the cylinder number and the analysis item number are used for determining a specific liquid medicine analysis item;
the cylinder volume is used for calculating the adding amount of the liquid medicine and the liquid medicine discharge amount;
the analysis frequency is used for determining the number of times of inputting the liquid medicine analysis data every day;
the control range is used for judging whether the analysis result exceeds the range;
the liquid medicine adding formula is used for determining the liquid medicine adding amount;
the formula of the liquid medicine discharge amount is used for determining the liquid medicine discharge amount.
3. The method for analyzing and adjusting the liquid medicine on the PCB based on the ERP system of claim 1, further comprising, before the step of obtaining the liquid medicine analysis data:
collecting the in-use liquid medicine on the PCB production line at fixed time;
quantitatively analyzing the in-use medicine water under specific conditions;
and obtaining the liquid medicine titration data, wherein the liquid medicine titration data is the liquid medicine characteristic of the medicine water under the specific condition, and the liquid medicine characteristic comprises absorption luminosity.
4. The method for analyzing and adjusting the liquid medicine on the PCB based on the ERP system of claim 1, further comprising, after the liquid medicine is adjusted according to the comparison result:
the liquid medicine adjustment information is arranged to generate a liquid medicine adjustment notice, and the liquid medicine adjustment notice comprises: the production line, the cylinder number, the name of the liquid medicine, the liquid medicine adjusting measure, the analysis result of the liquid medicine, the reason for liquid medicine adjustment and the adjusting effect obtained based on the liquid medicine adjusting measure.
5. The method for analyzing and adjusting the liquid medicine on the PCB based on the ERP system of claim 1, further comprising, after the liquid medicine is adjusted according to the comparison result:
according to the liquid medicine analysis data and the liquid medicine analysis result, the liquid medicine analysis report is generated by the comparison result, the liquid medicine analysis report can inquire the data of the appointed time and the appointed analysis item, and whether the liquid medicine analysis result, the liquid medicine addition amount, the liquid medicine discharge amount and the liquid medicine analysis result exceed the control range or not can be displayed in a self-defined mode.
6. The method for analyzing and adjusting the liquid medicine of the PCB based on the ERP system according to claim 1, wherein a point in the control chart is out of the limit of the control chart, and the method can be used for detecting abnormal mutation of the average value or the standard deviation of the process;
2 points or 3 points exceeding 2 times standard deviation lines appear in 3 continuous points on the same side of the central line in the management chart, and the detection device can be used for detecting the change of middle fingers and standard deviation;
more than 7 continuous points in the management chart appear on the same side of the central line and can be used for detecting the fine change of the average value or the standard value of the process;
the control chart shows an ascending trend or a descending trend of 7 or more continuous points, and can be used for detecting the larger change of the average value or standard deviation of the process;
the presence of the control graph alternating from top to bottom at equal to or greater than 14 points can be used to detect system effects including machine, operator, or material suppliers;
the 15 consecutive points of the control graph are distributed between the positive 1-fold standard deviation line and the negative 1-fold standard deviation line, which can be used to detect a reduced variability in the process.
7. An electronic device, comprising:
a processor; and
a memory having executable code stored thereon, which when executed by the processor, causes the processor to perform the method of any of claims 1-6.
8. A non-transitory machine-readable storage medium having stored thereon executable code, which when executed by a processor of an electronic device, causes the processor to perform the method of any of claims 1-6.
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| CN104615163B (en) * | 2014-12-22 | 2017-02-22 | 东莞美维电路有限公司 | Automatic PCB agent adding method |
| CN106056354A (en) * | 2016-05-25 | 2016-10-26 | 东莞美维电路有限公司 | PCB medicine-adding fool-proof method |
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