KR101717598B1 - The dimensional quality matter control system - Google Patents

Abstract

The present invention analyzes the causes of quality problems occurring during ship production in a quality management information generation system that generates information for quality management using block measurement and analysis results according to ship production, A quality problem management system for providing information for predicting a problem in advance, wherein a defect and a target block are selected based on manufacturing tolerances according to measurement data and analysis results accumulated through measurement, A degree-of-measurement-degree management module 321 for classifying and managing degree-of-detail measurement charts for blocks to be managed; And a quality information database module 322 for storing a quality problem report generated by the production department, and a quality improvement request created by the quality control department, based on the simulated mounting simulation result, do. According to the present invention, it is possible to utilize it as a solution for analyzing the cause of the generated quality problem and for finding a solution, and realizing the prediction of the quality problem and the systemization of the preventive management.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a quality problem management system,

The present invention relates to a quality quality problem management system, and more particularly, to a method and system for measuring accuracy and quality of a ship, The present invention relates to a quality quality problem management system for analyzing causes of quality problems occurring during ship manufacturing in a quality management information generating system to generate information for predicting problems of similar types of vessels and similar shaped structures.

Generally, in order to dry a ship, it is necessary to start sales design (initial design) according to the type of ship (commercial vessel, special ship, etc.) and size (displacement amount) .

Once the sales design is established, detailed design will be made, the purchase schedule will be established, and a mid-term plan will be established to link the purchase schedule to the purchase schedule.

Once the above detailed design and middle planning is established, production planning necessary for production is made again, and small schedule necessary for production is established by department and type of work, purchase material is put in stock, and production is executed.

On the other hand, the shipbuilding marine industry is a precision manufacturing industry that has a relatively high accuracy in applying a relatively high dimensional control standard to the size of superstructures. Therefore, in order to measure and analyze the structure and perform quality control through it, systematic information should be prepared from the planning stage, and measurement and analysis should be performed using design information. In order to use the result directly in production, Data analysis methods should be utilized.

However, conventionally, related tasks were performed in the form of planning, measuring, analyzing results, organizing and sharing analysis results based on an off-line basis, that is, a manual operation.

Recently, with the spread of Product Life Cycle Management (PLM) technology, there have been some systemization of related technologies in the field of measurement and quality control technology. However, systematization technology that can systematically manage the entire process required for shipbuilding and marine industry has not developed It is true.

On the other hand, conventionally, data related to quality quality problems have been separately prepared and developed and managed by the relevant department, so that it has been difficult to classify and search documents by hand in order to identify the cause of problems when a problem occurs.

A process-data generating method for obtaining machining data of machining objects using GSCAD (GSCAD) data of machining objects in a ship manufacturing process, the method comprising the steps of: (a) Retrieving from the data whether there is information of mutually combined objects; (b) if there is information on the mutually coupled objects, determining whether the mutually coupled objects are included in the same member; (c) if the mutual coupling objects are not included in the same member, calculating a post-weld transformation vector of the mutual coupling objects according to the information of the mutual coupling objects; (d) modifying the GSCAD data of the machining objects so that each of the mutual coupling objects is de-transformed according to a post-weld deformation vector of the mutual coupling objects; And (e) obtaining machining data of the machining objects in accordance with the changed GSCAD data (see Patent Document 1).

Korean Patent Laid-Open No. 10-2012-0131774

The present invention provides systematic information from the measurement planning stage to perform measurement and analysis using the design information in order to measure and analyze structures in the shipbuilding marine industry, In order to apply the advanced data analysis method, the whole process of design - production - measurement - analysis - quality control can have a virtuous cycle structure. In the integrated management system, The present invention provides a quality problem management system that can provide information for predicting problems of similar types and similar shaped structures.

In order to achieve the above object, a quality quality problem management system according to the present invention is a system for generating quality management information for generating quality control information by using block measurement and analysis results according to ship production, This is a quality quality problem management system that analyzes the causes of quality problems and provides information for predicting problems of similar types and similar shaped structures. A degree of metrology management module for classifying and managing the degrees of degree of block exceeding a set defective rate by selecting defective and acceptance target blocks based on a standard; A quality information database module for storing a quality problem report generated by the virtual placement simulation result and a degree of quality quality evaluation index generated by the production department and a quality improvement report created by the quality control department; In order to find a solution to the problem by referring to the quality quality problem of similar type and similar type structures based on measurement and analysis data, degree of completeness of measurement, quality quality index evaluation result, degree problem report, improvement request information and deformation estimation information The quality quality evaluation index, the quality quality problem report, and the quality improvement request are commonly stored with the same primary key of the line, block, work department, and work date, The quality quality problem report is based on the measurement chart including measurement number, block number, measurement data classified in production organization information, analysis data, degree measurement chart, and measurement result information. Evaluation of the length and quantity of members out of production tolerance Block number, and production organization information in order to share and measure the quality quality status generated in the production process, and based on the quality improvement request, comprehensive quality management information And information for determining the quality problem information generated during a predetermined period of a specific production organization is calculated.
Here, the degree-of-measurement management module includes a schedule control function for the degree of measurement, degree of origin, origin of origin, degree of completeness after registration, It is possible to check the degree of accuracy according to the plan in comparison with the ratio of original output rate and completeness registration rate, and perform the function to inquire the detailed measurement coordinate result of registered degree measurement chart in line and block.

In addition, it is possible to create a report and related data immediately on the production site using a mobile device or a PC terminal for the generated quality problem, and to register and distribute it, and it can be implemented so that it can be immediately reviewed and taken by the relevant department.

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In addition, the mobile device or the PC terminal may include a job program for generating a report on a quality problem to be generated and related data, invoking an image of the object having a quality problem through the job program, Name, date, and problem description needed to complete the report and related data forms, as well as insert and edit images as required, add the necessary information to the inserted image as a drawing function, You can enter general information including contents, causes, measures, measures.

In addition, a temporary storage function is provided to prevent loss and addition of information being created through the work program, and after the completion of the preparation, the report and related data are transmitted through a text message (SMS) or an e-mail transmission function of a mobile device or a PC terminal You can notify the person in charge.

According to the present invention, it is possible to utilize it as a solution for analyzing the cause of the generated quality problem and for finding a solution, and realizing the prediction of the quality problem and the systemization of the preventive management.

1 is a conceptual diagram showing a general shipbuilding flow;
2 is a block diagram of a measurement degree integrated management system according to the present invention.
3 is a block diagram of a degree-of-control information generating system according to the present invention
FIG. 4 is a diagram showing an example of the degree improvement request related screen according to the present invention
5 is a block diagram of a quality quality problem management system according to the present invention.
FIG. 6 is a graph showing an example of a degree quality evaluation index related to the present invention

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 3 is a block diagram of a degree-of-control information generating system according to the present invention, FIG. 4 is an example of a screen related to a degree-of-improvement request according to the present invention, 6 is a block diagram of a quality quality problem management system according to the present invention.

First, a description will be given of a measurement accuracy integrated management system as a basis for assisting an understanding of the accuracy quality problem management system according to the present invention.

The integrated measurement accuracy management system according to the present invention measures and analyzes structures in the shipbuilding and marine industry and provides systematic information from the planning stage in order to carry out the quality control through the measurement and analysis using the design information In order to apply the results directly to production, a sophisticated data analysis method is systematized so that the entire process of design-production-measurement-analysis-quality control can have a virtuous cycle structure.

For reference, in the present invention, a server computer or a client computer terminal capable of networking in hardware, and a server or client or other network program environment installed and operated by software in these computer devices are basically used.

As shown in FIG. 2, the integrated measurement accuracy management system according to the present invention includes a quality management planning system 100, a measurement management system 100, / Analysis simulation system 200, a quality management information generation system 300, a quality management monitoring system 400, and a quality management database server (not shown).

The quality management planning system 100 generates and manages the base information and the performance plan information of the measurement and quality control, and collects planning information such as the welding contraction value, the technical drawings such as the 100MK drawing, May be operated.

The measurement / analysis simulation system 200 includes a total station (a light wave), an Indoor GPS, a laser vision system, a laser, etc., which is a three-dimensional measurement device for measuring an actual ship structure based on the information generated in the accuracy management planning system 100. [ Scanner, etc., and programs for collecting and analyzing the measurement results. The coordinate information measured in conjunction with various dimensional / shape measuring devices is collected / analyzed based on the degree measurement chart, and a simulation function is performed.

The quality management information generation system 300 calculates and manages the quality evaluation index for each structure or quality management department by using the measured and analyzed results, reports and processes the quality problems generated during the production of the ship, It is possible to instantly generate and register a report on the production site using the device, and it can be registered and distributed and can be implemented so that it can be reviewed and taken immediately by the relevant department.

The quality management information generation system 300 may have a function of estimating a deformation amount that can be generated when assembling structures of various shapes based on measurement and analysis results.

The quality management information generation system 300 includes measurement planning, measurement and analysis on the basis of the accumulated measurement and degree information so as to guarantee a predetermined level of work results regardless of who performs the job, including the unskilled person And the like.

The quality management monitoring system 400 performs a function to conveniently search and monitor all the information related to the degree of measurement associated with the integrated management system.

Specifically, the quality management monitoring system 400 can inquire the quality management related information in connection with the structure block inquiry function based on the geographical information system of the shipyard as a whole. In order to provide convenience as well as PC base, It is possible to implement inquiry / monitoring of quality management information and make the intuitive judgment and confirmation for visualization of work process visualization based on 3D model by using the simulation result.

The quality management monitoring system 400 can inquire the reference information plan, review / monitor schedule and time related information, register and inquire measurement and quality management information of the external affiliates related to the production of the ship, And provide a mailing service that enables timely distribution and notification of measurement-related information, including schedule, quality notification, and paper exit, so that corporate information sharing and information integration and appropriate measures .

The quality management database server stores and manages data related to measurement quality control while integrally managing the systems (100, 200, 300, and 400).

On the other hand, as shown in FIG. 3, the accuracy management information generation system 300 is configured as follows. The quality index evaluation module 310 performs statistical analysis on the quality index of the product based on measurement data and analysis data classified into information such as call number, block number, production organization, and the like using the measured and analyzed results. Respectively.

The quality management information generation system 300 can manage quality problems according to products or predict quality problems of similar products on the basis of the measurement charts of the measurement errors, the quality quality index evaluation results, and the quality improvement request information And a degree-of-quality problem management module 320 for generating information on the degree of quality.

The quality management information generation system 300 includes a structure deformation estimation module 330 that calculates a deformation of a structure by classifying the dimensional errors according to a structure shape, a manufacturing environment, and a manufacturing method, and performs an error pattern analysis. At this time, the structure deformation estimating module 330 can estimate a shrinkage value (deformation amount) that can be generated when assembling structures of various shapes based on measurement and analysis results.

The degree-of-control information generation system 300 includes information on the measurement and degree of accumulation so as to guarantee a certain level of work results, regardless of who performs the job, including inexperienced persons, And an expert system module 340 for suggesting a work standard including measurement, analysis, and analysis.

In other words, by proposing working methods according to standardized work processes and using information on accumulated measurement and quality management to ensure quality above a certain level irrespective of worker skill, , Measure the degree, and analyze the results.

The quality management information generation system 300 includes a quality improvement request management module 350 for registering, sharing, and managing quality problem reports and improvement requests generated in the production process.

The quality quality problem management system according to the present invention systematically database various information related to the quality quality problem to analyze the cause of the generated quality problem and provide information for predicting the problem for the similar type and similar shape structures To be provided for the purpose of that technical point.

In detail, the quality quality problem management module 320 is a quality management information generation system that generates information for quality management using block measurement and analysis results according to ship production, The accuracy measurement information management module 321, the accuracy quality information database module 322, and the accuracy quality information database module 322, as shown in FIG. 5, so as to analyze the cause, And a reference information calculation module 323.

The degree-of-precision measurement management module 321 classifies defects and acceptance blocks based on measurement tolerance and measurement results accumulated through measurement, and separately classifies degree-of-detail measurement charts of defective blocks exceeding the set defective rate do.

In addition, the degree-of-precision measurement management module 321 is provided with a schedule management function for the degree of accuracy measurement based on the production scheduling in units of lines, the timing of origin of origin, And the degree of accuracy according to the schedule can be retrieved in comparison with the ratio of original output rate and completeness registration rate, and the detailed measurement coordinate result of the registered degree measurement chart can be retrieved in line and block units.

Also, the degree-of-precision measurement management module 321 includes a degree-of-detail management information inquiry UI and an UX, line and block unit search, a degree-plan search through a mobile office and a PDF viewer, It can perform the functions through inquiry of report and improvement request, inquiry of quality quality index evaluation through ERP and quality control DB, inquiry of accuracy analysis and simulation result, and inquiry of quality control process status.

The accuracy quality information database module 322 stores a quality quality evaluation index generated based on the result of the virtual mounting simulation, a quality problem report generated by the production department, and a quality improvement request made by the quality control department.

At this time, it is preferable that the quality quality evaluation index, the quality quality problem report, and the quality improvement request are commonly stored with the same primary key of the line, block, work department, and work date.

In addition, the accuracy quality information database module 322 includes a quality level information database 322, which includes line number and block number, measurement data classified into production organization information, analysis data, degree measurement diagram completion file, Based on the measurement error information, it is classified into line number, block number, and production organization information in order to share and measure the quality index result and the quality level generated in the production process. Standardized welding contraction information, block structure weld deformation estimation result, and multi-stage assembly process connected with assembly, control, and control block assembly. As a result of the deformation evaluation and deformation effect analysis, A may be composed of an amount of deformation information estimated by comprehensive analysis of the dimensional error amount.

The quality problem report includes the measurement number, the block number, the measurement data classified into production organization information, the analysis data, the degree measurement chart, and the measurement tolerance information including the measurement result information. , Block number, and production organization information to share and measure the quality quality index result and the quality quality status generated in the production process, , It is possible to check the comprehensive quality control information in the entire production process for the line and block where the quality problem occurred and also to calculate the information for determining the quality problem information generated during a certain period of the specific production organization.

In this case, it is possible to continuously improve the estimation accuracy by correcting the final deformation amount estimation value by comparing and analyzing the result of the welding deformation analysis of the block structure by using the dimensional error information of the performance similar line and the similar shape block.

The reference information calculation module 323 calculates the accuracy quality problems of the similar type and similar shape structures based on the measurement and analysis data, the degree of completeness of the degree measurement, the degree of quality index evaluation result, the degree problem report and the improvement request information, Reference information is calculated so that a problem solution can be searched. That is, it calculates useful reference information that can solve newly generated problems through information on the conventional problems.

The quality quality problem management module 320 can immediately generate reports and related data on the production site using a mobile device or a PC terminal for the quality problems to be generated and can register and distribute them. It is preferable to be implemented so as to be possible.

The mobile device or the PC terminal may be equipped with a work program for generating a report on a quality problem to be generated and related data. The mobile device or the PC terminal may also load an image of the object having a quality problem through the work program, Enter the location and size specified by the user, insert and edit images as needed, add the necessary information to the inserted image as a drawing function, and specify the department, name, date, and problem You can enter general information including content, cause, action, and countermeasures.

In addition, a temporary storage function is provided to prevent loss and addition of information being created through the work program, and after the completion of the creation, the report and related data are transmitted to a mobile device or a PC terminal through a text message (SMS) To the person in charge.

As described above, according to the present invention, the present invention can be utilized as a solution for analyzing the cause of the generated quality problem and solution solution, and realizing the prediction of the quality problem and the systemization of the preventive management.

While the accuracy quality problem management system according to the present invention has been described in terms of a limited number of embodiments, the scope of the present invention is not limited to the specific embodiments, Various modifications, alterations, and changes may be made without departing from the scope of the present invention.

Therefore, the embodiments disclosed in the present invention and the accompanying drawings are intended to illustrate and not to limit the technical spirit of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments and the accompanying drawings . The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: Quality control planning system 200: Measurement / analysis simulation system
300: Quality management information generation system 310: Quality quality index evaluation module
320: Degree of Quality Problem Management Module 321: Degree of Degree of Degree Management Module
322: Quality information database module
323: reference information calculation module 330: structure variation estimation module
340: Expert System Module 350: Quality Improvement Request Management Module
400: Quality Management Monitoring System

Claims (8)

We analyze the causes of quality problems that occur during ship production in a quality control information generation system that generates information for quality control by using block measurement and analysis results according to ship production, A quality quality problem management system for providing information for prediction,
A degree-of-measurement-degree management module 321 for classifying and managing degree-of-detail degrees of blocks exceeding a set defective rate by selecting defective and acceptance target blocks based on the measurement tolerance based on measurement data and analysis results accumulated through measurement; ;
A quality information database module 322 for storing a quality quality evaluation index generated based on a result of the virtual placement simulation, a quality problem report generated by the production department, and a quality improvement request made by the quality control department;
To be able to search for problem solutions by referring to the quality quality problems of similar types and similar shaped structures based on measurement and analysis data, degree of completeness of measurement, quality quality index evaluation result, degree problem report, improvement request, and deformation estimation information A reference information calculation module 323 for calculating reference information,
The quality quality evaluation index, quality quality problem report, and quality improvement request are commonly stored with the same primary key of line, block, work department, and work date,
The quality problem report includes the measurement number, the block number, the measurement data classified into production organization information, the analysis data, the degree measurement chart, and the measurement tolerance information including the measurement result information. , Block number, and production organization information in order to share and measure the quality quality status that occurs in the production process,
It is possible to check the comprehensive quality management information in the entire production process for the quality problem occurrence line and the block based on the quality improvement request and to calculate information for determining the quality problem information generated during a certain period of the specific production organization A quality problem management system with a feature to be characterized. The method according to claim 1,
The degree-of-precision measurement management module 321 is provided with a schedule management function for the accuracy measurement level, the origin point, the origin point, and the completion status after the accuracy measurement based on the production schedule in units of lines, The quality measurement according to the plan can be inquired in comparison with the originating rate and the completeness registration rate, and the detailed measurement coordinate result of the registered degree measurement chart can be retrieved in line and block units. Problem management system. The method according to claim 1,
The degree-of-precision measurement management module 321 displays the degree-plan information through UI, UX, line and block unit search, mobile office and PDF viewer, Quality quality index evaluation by inquiry of improvement request, enterprise quality management index (ERP) and quality management database, inquiry of degree analysis & simulation result, and quality control process status inquiry. Management system. delete delete The method according to claim 1,
It is possible to instantly generate reports and related data on the production site using the mobile device or the PC terminal for the generated quality problems, and to register and distribute them. Problem management system. The method of claim 6,
The mobile device or the PC terminal,
It has a work program to generate reports and related materials about the quality problems that occur,
An image of the object having a quality problem is input through the work program, the image is input in the position and size specified by the user in the corresponding form field, the image is inserted and edited as needed, and the necessary information is drawn And to enter general information, including department, name, date, problem description, causes, measures, and countermeasures, necessary for completing the report and related data forms. The method of claim 7,
A temporary storage function is provided to prevent loss and addition of information being created through the work program. After completion of the preparation, the report and the related data are transmitted to the person in charge through the text message (SMS) or e-mail transmission function of the mobile device or PC terminal And the quality quality problem management system.

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