CN1651920A - Statistics process controlling system and method thereof - Google Patents
Statistics process controlling system and method thereof Download PDFInfo
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- CN1651920A CN1651920A CN 200410015310 CN200410015310A CN1651920A CN 1651920 A CN1651920 A CN 1651920A CN 200410015310 CN200410015310 CN 200410015310 CN 200410015310 A CN200410015310 A CN 200410015310A CN 1651920 A CN1651920 A CN 1651920A
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Abstract
The present invention relates to a statistical process control system and its method. Said system includes several measuring instruments, a measuring computer and a data base. The described measuring instruments can be used for measuring product to be measured, the measuring computer can be used for obtaining measurement value of the measured product, and analyzing and processing said measurement value, it includes a basic data receiving module, a measurement value obtaining module, a measurement value storage module, a SPC graph generation module, an abnormal judgement module and an abnormal report generation module. Said data base is used for storing measuring program, measurement recorded list, statistical process control chart and abnormal report.
Description
[technical field]
The present invention relates to a kind of QC system and method, particularly relate to a kind of statistics processing procedure control system and method.
[background technology]
Production division in enterprises, all will produce or process the large quantities of products every day, and can how be the performance of these products, quality, meet customer need, all to analyze, so that division management person understands the integral production situation of this product or this batch product according to testing result.The measurement of traditional detection mode, write down and the processing procedure control of taking statistics (Statistical ProcessControl, SPC) graphical analysis procedure all is to adopt manually-operated to finish, and various mistakes can occur, and work efficiency is not high.
In recent years, along with the raising of computer hardware performance and the reduction of price, the use of computing machine more and more widely, the testing process of product is finished by computer system gradually.Taiwan Wise property office is No. 331650 patents in the Announcement Number of bulletin on May 11st, 1998, its name is called " integrating management of processing procedure defective yield and query facility ", this patent is carried out processing procedure defective and process rate analysis by defective yield checkout equipment, thereby a plurality of processing procedure defective yield records are provided.But this patent can not be carried out statistical study with the assay of production line, can not be inserted in the normality distribution principle to the data of manufacturing, with the output probability of prevention defective products.
So a kind of statistics processing procedure control system and method need be provided, it can reduce the mistake in the product measurement process, the assay of production line is carried out statistical study, the data of manufacturing is inserted in the normality distribution principle, output probability with the prevention defective products, reach and reduce production costs the purpose of improving the quality of products.
[summary of the invention]
Fundamental purpose of the present invention is to provide a kind of statistics processing procedure control system and method, it can reduce the mistake in the product measurement process, the assay of production line is carried out statistical study, the data of manufacturing is inserted in the normality distribution principle, with the output probability of prevention defective products.
The invention provides a kind of statistics processing procedure control system, this system comprises that a plurality of measuring instruments, measure a computing machine and a database.Measuring instrument is used to measure product to be measured, and wherein, measuring instrument comprises vernier caliper, scale and height gage etc., and product to be measured comprises screw rod, bearing and phone housing etc.The measurement computing machine is used to obtain the measuring value of above-mentioned product to be measured, and measuring value is carried out analyzing and processing.Above-mentioned measurement computing machine comprises a basic document receiver module, a measuring value acquisition module, a measuring value memory module, a SPC figure generation module, a unusual judge module and a unusual report generation module.Wherein, the basic document receiver module is used to receive the basic document of user's input.Above-mentioned basic document comprises product information to be measured, board data, measuring instrument data and measuring program managerial data.Above-mentioned product information to be measured comprises numbering, title, manuscript numbering, wiring layout numbering, customer name and the record date etc. of product to be measured.Above-mentioned board data is meant the board basic document of producing above-mentioned product to be measured, and it comprises board numbering, board production history record and current production status etc.Above-mentioned board production history record is used to write down this board, and all produce the production code member, title, date of manufacture etc. of products.Above-mentioned current production status comprises the beginning production status and stops two kinds of production statuses.Above-mentioned measuring instrument data comprises numbering, title, model and supplier's title etc. of measuring instrument.Above-mentioned measuring program managerial data comprises nominal value that production code member to be measured, operation, measuring instrument, dimensional units, sampling frequency and product to be measured set, goes up tolerance, tolerance etc. down.The user can increase newly, revise, delete or operation such as inquiry by its authority above-mentioned basic document.The measuring value acquisition module is used for obtaining automatically the measuring value of product to be measured, such as, need to measure the length value of product to be measured at work, after measuring by measuring instrument, the length value of this product to be measured is 3.20cm, then 3.20cm is the measuring value of this product to be measured.The measuring value memory module is used for the above-mentioned measuring value that obtains is stored in the measurement record sheet.SPC figure generation module is used for generating statistics processing procedure control (Statistic Process Control, SPC) figure, this SPC figure can science park divides normal fluctuation and the unusual fluctuations in the production process, and state in time notes abnormalities, eliminate so that take measures unusual, the process of resuming production stable.Unusual judge module is used for according to the nominal value of the product to be measured of above-mentioned reception and tolerance up and down, judges that above-mentioned measuring value is whether in requiring range of size.If measuring value is in requiring range of size, represent that then measuring value meets the requirements, product to be measured is qualified; If measuring value exceeds the requirement range of size, represent that then measuring value is in abnormality, product to be measured is defective.Unusual report generation module is used to generate unusual form, and this unusual form comprises the quality problems advice note and the advice note of doing over again.Database is used for memory space measuring program, measurement record sheet, SPC figure and unusual form.Above-mentioned measuring program is each measurement parameters according to product to be measured, according to the program that different measuring instruments and measurement are set up in proper order, is used to obtain the measuring value of product to be measured.Above-mentioned measurement record sheet is used to write down the measuring value that has measured product.Above-mentioned SPC figure comprises single observation value control chart (Individual Chart), sample measured value mean value and range control chart (X-bar R Chart), individual values and moving range control chart (X-Rm Chart), mean value and standard deviation control chart (X-bar S Chart), median and range control chart (X-RChart), fraction defective control chart (P Chart), umber of defectives control chart (Pn Chart), number of defect control chart (C Chart), histogram (Histogram), exponentially weighted moving average (EWMA) control chart (EWMA Chart), processing procedure ability control chart (Process Capability Chart) etc.
The present invention also provides a kind of statistics process control method, and this method may further comprise the steps: the basic document that (a) receives user's input; (b) selected measuring instrument in the above-mentioned basic document is linked to each other with the measurement computing machine; (c), obtain corresponding measuring program according to the measuring instrument of above-mentioned selection; (d) obtain the measuring value of product to be measured automatically; (e) the above-mentioned measuring value that obtains is stored in the measurement record sheet; (f) generate SPC figure, and according to the nominal value of the product to be measured of above-mentioned reception and tolerance up and down, judge that above-mentioned measuring value is whether in requiring range of size; (g), continue to measure next product to be measured if measuring value is in requiring range of size; If measuring value exceeds the requirement range of size, then generate the quality problems advice note and the advice note of doing over again, then, continue to measure next product to be measured.
Utilize the present invention, can reduce the mistake in the product measurement process, the assay of production line is carried out statistical study, the data of manufacturing is inserted in the normality distribution principle, reduce production costs the purpose of improving the quality of products to prevent the output probability of defective products, to reach.
[description of drawings]
Fig. 1 is the hardware structure figure that the present invention adds up the processing procedure control system.
Fig. 2 is the functional frame composition that the present invention adds up the measurement computing machine of processing procedure control system.
Fig. 3 is the synoptic diagram that the present invention adds up the measurement record sheet of processing procedure control system and method.
Fig. 4 is the operation process chart that the present invention adds up process control method.
[embodiment]
As shown in Figure 1, be the hardware structure figure that the present invention adds up the processing procedure control system.This system comprises that one measures computing machine 1, an intermediary interface converter 2, a plurality of measuring instrument 3, a connection 4 and one database 5.Wherein a plurality of measuring instruments 3 utilize intermediary interface converter 2 to link to each other with measurement computing machine 1, and intermediary interface converter 2 is a kind of signal converters, and it can convert the measurement signal that a plurality of measuring instruments 3 obtain to the discernible signal of computing machine.Measuring computing machine 1 utilizes and connects 4 and link to each other with database 5, connecting 4 is that a kind of database connects, as the open type data storehouse connect (Open Database Connectivity, ODBC), perhaps Java database connection (Java Database Connectivity, JDBC).
As shown in Figure 2, be the functional frame composition that the present invention adds up the measurement computing machine of processing procedure control system.Measurement computing machine 1 is used to obtain the measuring value of above-mentioned product to be measured, and measuring value carried out analyzing and processing, it comprises a master data receiver module 10, a measuring value acquisition module 11, a measuring value memory module 12, a SPC figure generation module 13, one unusual judge module 14 and a unusual report generation module 15.Wherein, basic document receiver module 10 is used to receive the basic document of user's input.Above-mentioned basic document comprises product information to be measured, board data, measuring instrument data and measuring program managerial data.Above-mentioned product information to be measured comprises numbering, title, manuscript numbering, wiring layout numbering, customer name and the record date etc. of product to be measured.Above-mentioned board data is meant the basic document of the board of producing above-mentioned product to be measured, and it comprises board numbering, board production history record and current production status etc.Above-mentioned board production history record is used to write down this board, and all produce the production code member, title, date of manufacture etc. of products.Above-mentioned current production status comprises the beginning production status and stops two kinds of production statuses.Above-mentioned measuring instrument data comprises numbering, title, model and supplier's title etc. of measuring instrument.Above-mentioned measuring program managerial data comprises nominal value that production code member to be measured, operation, measuring instrument, dimensional units, sampling frequency and product to be measured set, goes up tolerance, tolerance etc. down.The user can increase newly, revise, delete or operation such as inquiry by its authority above-mentioned basic document.
Measuring value acquisition module 11 is used for obtaining automatically the measuring value of product to be measured, such as, need to measure the length value of product to be measured at work, after measuring by measuring instrument, the length value of this product to be measured is 3.20cm, then 3.20cm is the measuring value of this product to be measured.Measuring value memory module 12 is used for the above-mentioned measuring value that obtains is stored in the measurement record sheet.SPC figure generation module 13 is used to generate SPC figure.Unusual judge module 14 judges according to the nominal value of the product to be measured of above-mentioned reception and tolerance up and down whether above-mentioned measuring value is unusual, judges that promptly above-mentioned measuring value is whether in requiring range of size.If measuring value is in requiring range of size, represent that then measuring value meets the requirements, product to be measured is qualified; If measuring value exceeds the requirement range of size, represent that then measuring value is in abnormality, product to be measured is defective.Unusual report generation module 15 is used to generate unusual form.
As shown in Figure 3, be the synoptic diagram that the present invention adds up the measurement record sheet of processing procedure control system and method.This measurement record sheet comprises 11 fields, is respectively sequence number, production code member, operation, measuring instrument, board numbering, measurement parameters, nominal value, goes up tolerance, following tolerance, measuring value and sample time.Wherein, nominal value, last tolerance and following tolerance are the value that product to be measured has been set, and measuring value is that measuring instrument measures the value of being obtained behind the product to be measured.In sequence number was this hurdle of 1, the production code member of product to be measured was ABC, and operation is OP1, and measuring instrument is CM, board is numbered M01, and measurement parameters is 123, and nominal value is 3.2, and last tolerance is+0.03, following tolerance is-0.03, and measuring value is 3.20, and the sample time is a point 21 days 7 November in 2002.
As shown in Figure 4, be the operation process chart that the present invention adds up process control method.At first, basic document receiver module 10 receives the basic document of user's input, this basic document comprises product information to be measured, board data, measuring instrument data and measuring program managerial data, and above-mentioned measuring program managerial data comprises nominal value that production code member to be measured, operation, measuring instrument, dimensional units, sampling frequency and product to be measured set, goes up tolerance, tolerance etc. (step S40) down.The user utilize intermediary interface converter 2 with selected measuring instrument 3 in the above-mentioned basic document with measure computing machine 1 and link to each other (step S41), and, obtain corresponding measuring program (step S42) according to the measuring instrument of above-mentioned selection.Then, measuring value acquisition module 11 utilizes the above-mentioned measuring program that obtains, and obtains the measuring value (step S43) of product to be measured automatically.Measuring value memory module 12 is stored in the above-mentioned measuring value that obtains and measures in the record sheet (step S44).Then, SPC figure generation module 13 generates SPC figure (step S45), unusual judge module 14 judges according to the nominal value of the product to be measured of above-mentioned reception and tolerance up and down whether above-mentioned measuring value is unusual, judges that promptly above-mentioned measuring value is whether in requiring range of size (step S46).If measuring value is in requiring range of size, represent that then measuring value meets the requirements, product to be measured is qualified, continues to measure next product to be measured (step S48); If measuring value exceeds the requirement range of size, represent that then measuring value is in abnormality, product to be measured is defective, unusual report generation module 15 generates unusual form, this unusual form comprises the quality problems advice note and the advice note (step S47) of doing over again, and continues to measure next product to be measured (step S48).
Claims (8)
1. add up the processing procedure control system for one kind, it comprises that a plurality of measuring instruments, measure a computing machine and a database, is characterized in that:
Measuring instrument is used to measure product to be measured;
The measurement computing machine is used to obtain the measuring value of above-mentioned product to be measured, and measuring value is carried out analyzing and processing, and it comprises:
One basic document receiver module is used to receive the basic document that the user imports;
One measuring value acquisition module is used for obtaining automatically the measuring value of product to be measured;
One measuring value memory module is used for the above-mentioned measuring value that obtains is stored in the measurement record sheet;
One SPC figure generation module is used for generating statistics processing procedure control chart;
One unusual judge module is used to judge that above-mentioned measuring value is whether in requiring range of size;
One unusual report generation module is used to generate the quality problems advice note and the advice note of doing over again; And
Database is used for the memory space measuring program, measures record sheet, adds up processing procedure control chart, quality problems advice note and the advice note of doing over again.
2. statistics processing procedure control system as claimed in claim 1 is characterized in that described measuring instrument is a vernier caliper.
3. statistics processing procedure control system as claimed in claim 1 is characterized in that described measuring instrument is a scale.
4. statistics processing procedure control system as claimed in claim 1 is characterized in that described measuring instrument is a height gage.
5. statistics processing procedure control system as claimed in claim 1 is characterized in that, described basic document comprises product information to be measured, board data, measuring instrument data and measuring program managerial data.
6. add up process control method for one kind, it is characterized in that this method may further comprise the steps:
Receive the basic document of user's input, this basic document comprises nominal value that measuring instrument, dimensional units, product to be measured set, go up tolerance and tolerance down;
Link to each other with measuring instrument;
According to above-mentioned measuring instrument, obtain corresponding measuring program;
Automatically obtain the measuring value of product to be measured;
The above-mentioned measuring value that obtains is stored in the measurement record sheet;
Generate statistics processing procedure control chart, and according to the nominal value of the product to be measured of above-mentioned reception and tolerance up and down, judge that above-mentioned measuring value is whether in requiring range of size; And
If measuring value exceeds the requirement range of size, then generate the quality problems advice note and the advice note of doing over again.
7. statistics process control method as claimed in claim 6 is characterized in that, also comprises step:
If measuring value is in requiring range of size, continue to measure next product to be measured.
8. statistics process control method as claimed in claim 6 is characterized in that, described basic document also comprises product information to be measured, board data and measuring instrument data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015310 CN1651920A (en) | 2004-02-06 | 2004-02-06 | Statistics process controlling system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015310 CN1651920A (en) | 2004-02-06 | 2004-02-06 | Statistics process controlling system and method thereof |
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| CN1651920A true CN1651920A (en) | 2005-08-10 |
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| CN 200410015310 Pending CN1651920A (en) | 2004-02-06 | 2004-02-06 | Statistics process controlling system and method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251754B (en) * | 2008-03-13 | 2010-06-02 | 西安交通大学 | Processing and controlling method of multi-working procedure processing course error stream |
| CN113049935A (en) * | 2021-03-04 | 2021-06-29 | 长鑫存储技术有限公司 | Semiconductor intelligent detection system, intelligent detection method and storage medium |
-
2004
- 2004-02-06 CN CN 200410015310 patent/CN1651920A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251754B (en) * | 2008-03-13 | 2010-06-02 | 西安交通大学 | Processing and controlling method of multi-working procedure processing course error stream |
| CN113049935A (en) * | 2021-03-04 | 2021-06-29 | 长鑫存储技术有限公司 | Semiconductor intelligent detection system, intelligent detection method and storage medium |
| WO2022183675A1 (en) * | 2021-03-04 | 2022-09-09 | 长鑫存储技术有限公司 | Semiconductor intelligent inspection system, intelligent inspection method, and storage medium |
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