JPH11272324A - Quality information managing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To quickly take measures for defect information by executing repair based on the defect information and incorporating graphic information and character information on a repair content in the repair information which is fed back to a manufacture part section in charge. SOLUTION: A manufacture section in charge 2 generates measures information JT based on repair information JS containing graphic information and character information, which are obtained by repairing a defect occurred in a product which is fed back from an inspection section 4, records it in a data base as measure manufacture data and supplies measure information to a manufacture line 3. The manufacture line 3 changes manufacture for dissolving the defect of quality on the product based on measure information JT supplied from the manufacture section in charge 2 and the quality of the product manufactured in the manufacture line 3 is inspected by the inspection section 4. Thus, a measure can speedily be reflected on manufacture and the quality of the product can be stabilized in an early stage.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a quality information management method for stabilizing product quality by feeding back information of an inspection department to a manufacturing department.

[0002]

2. Description of the Related Art In a conventional quality information management method, a defect of a product is repaired, and a repaired portion, repair contents, and a repair time are notified to a management section of a production line in charge of a manufacturing process in which the defect is targeted. It is known that the management department stabilizes the quality of products by notifying the production line of countermeasure information for taking measures to eliminate defects, and recording the information.

For example, in the production of automobiles, a pressing process,
There are a welding process, a painting process, a resin process, a body assembly process, and the like. In a manufacturing section that manages each of these processes, parts management, assembly management, and the like for each process are performed.

On the other hand, in the inspection department, the appearance inspection, function inspection, and adjustment of the assembled automobile are performed, as well as the extraction and repair of defects, and the quality as a product is assured.

[0005] The repair of a defect extracted by the inspection department is as follows.
The repair information is transmitted to the manufacturing department, the manufacturing department determines a countermeasure, and this countermeasure information is reflected on the manufacturing line, thereby eliminating the defect of the product and stabilizing the quality of the product. Also,
The repair information and the countermeasure information are recorded in the manufacturing department and utilized for the next production to stabilize the quality of the product.

[0006]

According to the conventional quality information management method, a graphic of each part of an automobile and parts constituting each part are recorded in advance as a database, and when a defect is found in an inspection department. After the inspection staff has taken provisional measures, search the database and select the relevant parts and parts using a keyboard, etc. And the manufacturing department responsible for the parts,
For example, by inputting defect information from a personal computer,
The manufacturing section in charge of the location or the part in which the defect has occurred is notified, and the manufacturing section takes measures based on the notified defect information and inputs the countermeasure information, whereby the countermeasures are implemented in the manufacturing section.

However, the defect information from the inspector is
Since the location, component, and event of the location where the failure occurred, the manufacturing department may not be able to accurately grasp what specific failure has occurred and what temporary measures have been taken.

In addition, even if the inspector sketches the place where the defect occurred, the part, and the provisional measures by hand, the sketch is delivered to the manufacturing department after the completion of the daily inspection. In many cases, the same defect points occur many times, and the number of notification of defect information to the manufacturing department and provisional measures are inevitably increased, and the man-hours required for inspection personnel may become enormous. is there.

The invention of the present application has been made to solve such a problem. The purpose of the invention is to notify an accurate defect information from an inspection department to a manufacturing department, and a countermeasure is taken promptly in the manufacturing department. An object of the present invention is to provide an efficient quality information management method that prevents a large number of defects.

[0010]

In order to solve the above-mentioned problems, a quality information management method according to the present invention includes a first step of inputting product defect information in a product inspection process;
Performs repairs based on defect information and provides a second step for feeding back repair information to the manufacturing department in charge, and a third step for inputting countermeasure information to be produced based on the repair information, thereby stabilizing product quality. The quality information management method according to the present invention is characterized in that the repair information in the second step includes graphic information and character information of the repair content.

In the quality information management method according to the present invention, since the repair information includes graphic information and character information of the repair contents and feeds back the information to the manufacturing department in charge, the defect in the manufacturing department in charge occurred in the inspection department. And the provisional measures can be accurately grasped, and the measures can be promptly reflected in the production.

Further, in the quality information management method according to the present invention, in a second step, a first sub-step for selecting defect information, a repair based on the defect information, and a second step for inputting the cause of the defect and the repair content. A sub-step, a third sub-step for inputting the processed graphic information and character information, and a fourth sub-step for feeding back the repair information of the second and third sub-steps to the responsible manufacturing department. And

[0013] A quality information management method according to the present invention is characterized in that
Since the step includes the third sub-step of inputting graphic information and character information, it is possible to accurately and promptly notify the manufacturing department in charge of a defect or a provisional measure that occurred in the inspection department with a sketch photograph. .

Further, the quality information management method according to the present invention is characterized in that in the third step, information before and after the countermeasure is input as graphic information as countermeasure information.

In the quality information management method according to the present invention, the information before and after the countermeasure is input as graphic information as the countermeasure information, so that the countermeasure for the defect before the countermeasure can be clearly understood, which is effective for the manufacturing department and the inspection department. Can provide countermeasure information.

[0016]

Embodiments of the present invention will be described below with reference to the accompanying drawings. In addition, the present invention quickly resolves manufacturing defects by notifying the manufacturing department in charge of repairs of figures and characters sketched by inspection personnel to manufacturing defects and provisional measures that occurred in the inspection department. It is intended to provide a quality information management method capable of performing the above.

FIG. 1 is a block diagram showing an embodiment of a production system to which a quality information management method according to the present invention is applied. The production and inspection of a car will be described as an example of the production system. In FIG. 1, a production system 1 includes a plurality of manufacturing departments 2, a manufacturing line 3 corresponding to each of the manufacturing departments 2, and an inspection department 4. Also,
The production system 1 includes a data input / output device such as a personal computer that executes data input / output to each of the departments 2 to 4.

The department 2 in charge of manufacturing includes, for example, pressing, welding,
Composed of multiple production management departments such as painting, resin and body assembly, and press, welding, painting,
It has initial production data DS such as resin and individual parts and functional parts necessary for assembling the vehicle body and the order of assembly as a database.

The department in charge of production 2 prepares countermeasure information JT based on the repair information JS which repairs a defect occurring in the product (automobile) fed back from the inspection section 4 and stores it in the database as countermeasure manufacturing data. By recording and supplying this countermeasure information to the production line 3, the degree of perfection of the product (automobile) is increased, and the recurrence of the defect in the inspection section 4 is prevented.

The production line 3 has a plurality of lines, such as press, welding, painting, resin, and body assembly, corresponding to each section of the production department 2, and stores initial production data supplied from the production department 2. Assemble the product (automobile) based on it.

Further, the manufacturing line 3 performs a manufacturing change based on the countermeasure information JT supplied from the manufacturing department 2 in order to eliminate a defect in the quality of the product (automobile).

The inspection section 4 inspects the quality of products manufactured on the production line 3 and includes an appearance inspection step 5, a function inspection step 6, and a repair step 7. In the visual inspection step 5, a visual inspection of the product (automobile) is performed, and when a defect is found, the corresponding part and component are read out from the database and displayed, and the displayed defect part and component are displayed using a mouse or keyboard. And input it as defect information JF.

The function inspection step 6 performs a function inspection of the product (vehicle), and when a defect is found, reads out the component constituting the corresponding function from the database and displays it.
The displayed part is selected with a mouse or a keyboard and input as defect information JF.

In the repairing step 7, after selecting the defect information inputted in the visual inspection step 5 and the function inspecting step 6, after repairing the appearance and functions based on the defect information JF,
Repair information J such as fault location, cause, action, and action time
S is input and fed back to the production department 2 in charge of the management of the location where the failure occurred.

In the repair process 7, sketches and memos of defective parts and repair contents are input to a personal computer or the like via an input device such as an image scanner, and the defective parts and parts and the repair contents are represented in graphic information JG and JG. Character information JM
The repair information JS is fed back to the manufacturing department 2 in charge of the management of the location where the failure has occurred.

FIG. 2 is a state transition diagram of the quality information management method according to the present invention. The solid arrows in FIG. 2 indicate the work flow, and the double arrows indicate the information flow.

In the quality information management method according to the present invention, in a product inspection process, a first step of inputting defect information of a product, a repair is performed based on the defect information, and the repair information is fed back to a manufacturing department in charge. A second step, and a third step of inputting countermeasure information to be manufactured based on the repair information in the manufacturing department in charge,
In particular, the repair information in the second step includes graphic information and character information of the repair contents sketched by the repair staff. In addition,
2. Steps SA, S1A, SB and S1B of FIG.
The first step and step S2 correspond to the second step of claim 1, and step S3 corresponds to the third step of claim 1, respectively.

In FIG. 2, in step S3, initial manufacturing data DS required for manufacturing a product (automobile) is input (or stored) as a database to a plurality of manufacturing departments 2.

In step SP, the production line 3 sets the product (automobile) on the basis of the initial manufacturing data DS in step S3.
Is manufactured, and the product is supplied to the appearance inspection process 5 and the process proceeds to Step SA.

In step SA, the appearance of the product (vehicle) supplied from the production line 3 is inspected. If there is a defect (defect) in the appearance, the process proceeds to step S1A, and if there is no defect (defect) in the appearance. Moves to step SB.

In step S1A, the appearance defect of the product found in the appearance inspection step 5 is selected from the initial manufacturing data DS and displayed on a display or the like in terms of parts and parts, and input as defect information JF from a mouse or keyboard. The process proceeds to step SB and step S2.

In step SB, a function inspection of the product (automobile) supplied from the appearance inspection step 5 is performed. If there is a defect (defect) in the function, the process proceeds to step SB1, in which there is no defect (defect) in the function. In this case, the process proceeds to step SO.

In step S1B, a part and a part related to the functional defect found in the function inspection step 6 are selected and displayed from the initial manufacturing data DS, input as the defect information JF from a mouse or a keyboard, and then proceed to step S2. .

In step 2, the defect information JF of the appearance input in step S1A and the defect information JF of the function input in step S1B are selected, repair is performed based on the defect information JF, and the process proceeds to step SO. I do.

In step S2, the defect information JF
The repair information JS including the cause, action and required time of the repair is selected and fed back to step S3. further,
The repair staff sketches the defective part, cause, and repair contents by hand, captures the contents described in the text with an input device such as an image scanner, displays the contents on the display, and then displays the manufacturing division 2 (for example, press The graphic information JG of the sketch and the text information JM of the text are fed back to the production management department, the body assembly production management department, etc.) as repair information JS.

In step S3, based on the repair information JS (including the graphic information JG and the character information JM) fed back from step S2 (repair process 7), an urgent manufacturing change is performed for the currently flowing product, The countermeasure information JT after the consideration of the defect is supplied to the product manufacturing in step SP.

As the countermeasure information JT in step S3, information before and after the countermeasure (improvement) and after the countermeasure (improvement) of the part and the part in which the trouble has occurred are input as graphic information. As a result, the countermeasure for the defect before the countermeasure becomes clear at a glance, and effective countermeasure information can be provided to the manufacturing department and the inspection department.

In step SO, the product (vehicle) having no defect supplied from step SB and the product (vehicle) repaired from the defect supplied from step S2 are shipped.

FIG. 3 is a second step state transition diagram of the quality information management method according to the present invention. In step S2 (second step), a first sub-step for selecting defect information, repair is performed based on the defect information, a defect cause and repair details registered in advance are selected, and a repair time and the like are input. A second sub-step, a third sub-step of inputting sketched graphic information and character information, and a fourth sub-step of feeding back the repair information of the second and third sub-steps to the responsible manufacturing department. Steps S11 to S14 in FIG.
Corresponds to the first to fourth sub-steps of claim 2, and is in charge of the repair process 7 of the inspection department 4.

First, in step S11, the defect information J
Select F to display the content of the appearance defect or the function defect on the display of the personal computer, and then proceed to step 12.

In step S12, appearance defect (defect)
Alternatively, a malfunction (malfunction) is repaired, and the cause, the content, and the repair time of the malfunction are input using a keyboard or a mouse, and the process proceeds to step S13.

In step S13, a figure (defective part, repair content) and text which are sketched or photographed by hand by a repairman are read by an image scanner or the like, and displayed on a display, and the process proceeds to step S14.

In step 14, the information in step S12, the graphic information JG and the character information JM in step S13 are fed back to the responsible manufacturing department 2 as repair information JS.

As described above, since the quality information management method according to the present invention includes the third sub-step of inputting sketched or photographed graphic information and character information in the second step, the quality information management method has been developed in the inspection department. The defect and the provisional measures can be notified accurately and promptly to the responsible manufacturing department.

FIG. 4 is a display diagram of one embodiment showing a display display of the defect information (JF) in step S11 of FIG. In FIG. 4, the location of the defect point of the product (automobile) is first selected by using the "parts category" selection keys (P1 to Pn), such as exterior, interior, and electrical components, and "parts" is displayed on the screen and clicked. Specify the corresponding part by the above method. In addition, on the screen, a “part” selection key (L1 to L
n), "event" selection keys (W1 to Wn) and "degree"
Since the selection keys (G1 to Gn) are always displayed, the user operates these keys to specify a defect in the appearance and function of the product (automobile), and selects defect information JF on the screen with a mouse or the like. be able to. The selected defect information JF is displayed on the same screen as the displayed screen, for example, on the lower side of the screen, the specified “parts” (Pk), “parts” (Lk), “events” (Xk), and “degrees”. (G
k) is displayed. For example, the disadvantages of this embodiment are:
"Front mat (= parts Pk)""front left part (= part L
This is an input example in the case where “water leakage (= event Xk)” of “medium (= approximately Gk)” is found in “k)”. In addition, although the inspection of the defect of a product was demonstrated by appearance and function, another item may be added.

FIG. 5 is a display diagram of an embodiment showing a display display of the repair information (JS) in step S12 of FIG. In FIG. 5, the repair location of the defect of the product (automobile) is indicated by a "part division" selection key (P1 to Pn), a "part" selection key (L1 to Ln), and a "cause" selection key (S1) unique to step S12. ~ Sn) and "processing section"
The repair information JS can be formed by inputting the "action" and the "repair time" in (F1 to Fn) and the "responsible area" for selecting which "responsible area" causes the failure. . The selected repair information JS is specified on the same screen as the displayed screen, for example, on the lower side of the screen, the specified “part category” (Pk ′), “part” (Lk ′), “cause” (Sk) Is displayed along with the “responsibility area”, “processing area”, and “repair time”. For example, the display example of FIG.
In the "front left part (= part Lk ')" of "F. Wind (= part Pk')", "sealer cut" (= cause Sk) "
This is an input example when “repair time” requires 10 hours in “processing section” (department 1).

FIG. 6 shows a display of repair information (JS) including graphic information (JG) and character information (JM) corresponding to step S13 shown in FIG. 3 of the contents treated in FIG. It is a display figure. In FIG. 6, the "cause" and "responsibility area" of the trouble entered in FIG. 5 for the target product (automobile) are displayed on the screen, and the cause of the trouble, for example, is sketched or photographed by a repair staff by hand. The repair contents are read in the form of a graphic and text by an image scanner or a digital camera or the like and displayed in a screen frame (IO) on the "responsible area" side. In the display example, the appearance of the relevant part of the target product (automobile) and the defect point (parts:
F. Window) is displayed. On the other hand, in the screen frame (IR) on the "processing section" side, an enlarged image of the portion causing the occurrence of a defect, the treatment content (sealer application) input in FIG. Treatment area and treatment time (10
H) A screen is displayed. The graphic of the target part is linked to a computer graphic function (not shown), and the position of the defective part is specified by clicking the corresponding part with a mouse, and the target part is determined by the coordinate position (x, y, z axes) of the graphic function. A graphic screen frame G for generating the position data g is provided, and can be used for the below-mentioned trouble information JF totaling.

The defect points and the processed information updated in this manner are fed back as repair information JS of the graphic information JG and the character information JM to the production department 2 in the responsible area.

FIG. 7 is a display diagram of an embodiment showing a display of countermeasure information (JT) instructing the department in charge of manufacturing corresponding to step S14 in FIG. In FIG.
On the screen, FIG. 6 fed back from the repair process 7 is displayed.
Graphic information JG and character information J of the screen frame IR shown in FIG.
A screen frame IR 'for displaying the image graphic and character information of the repair information JS corresponding to M, and screen frames RO and R1 input by the "responsible area" side are provided. And the drawing of the character information are input to the screen frame RO, the drawing after the countermeasure (improvement) and the check items are input to the screen frame R1, and the image information is provided to the manufacturing line 3 as the countermeasure information JT for the defect. .

FIG. 8 shows a tallying screen of the trouble occurrence points input in the graphic screen frame G. FIG. 8 shows FIG.
The xyz coordinate data of a plurality of defect cases formed based on the individual defect information JF shown in FIG.
1,..., DN, so that the distribution of the locations where the trouble events occur and the contents of the troubles can be grasped efficiently.

As described above, in the quality information management method according to the present invention, since the repair information includes the graphic information and the character information of the repair details that the repairman has dealt with, the feedback is provided to the responsible manufacturing department. In the manufacturing department, it is possible to accurately grasp the problems that have occurred in the inspection department and provisional countermeasures, and the permanent countermeasures can be promptly shared and reflected in manufacturing.

Further, since the drawing before the countermeasure (improvement) and the drawing after the countermeasure (improvement) can be displayed as the countermeasure information JT, it can be used when starting the production of a product of a similar model. can do.

[0053]

As described above, in the quality information management method according to the present invention, the repair information includes the graphic information and the character information of the repaired contents which have been treated, and is fed back to the manufacturing department in charge. The manufacturing department can accurately grasp the problems that have occurred in the inspection department and provisional countermeasures, reflect the countermeasures promptly in manufacturing, and stabilize the quality of products at an early stage.

In the quality information management method according to the present invention, the second step includes a third sub-step of inputting the treated graphic information and character information, so that a defect occurring in the inspection department and a provisional measure can be accurately determined. In addition, it is possible to promptly notify the manufacturing department in charge, and it is possible to reduce the number of repair man-hours by minimizing the occurrence of defects.

Further, in the quality information management method according to the present invention, the information before and after the countermeasure is input as graphic information as the countermeasure information, so that the countermeasure for the defect can be clearly understood, and the countermeasure effective in the manufacturing department and the inspection department. Information can be shared, manufacturing and inspection efficiency can be increased, and quality can be stabilized.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a production system to which a quality information management method according to the present invention is applied.

FIG. 2 is a state transition diagram of the quality information management method according to the present invention.

FIG. 3 is a second step state transition diagram of the quality information management method according to the present invention.

FIG. 4 is a display diagram of an embodiment showing a display display of defect information (JF) in step S11 of FIG. 3;

FIG. 5 is a display diagram of an embodiment showing a display display of repair information (JS) in step S12 of FIG. 3;

6 is a step S1 shown in FIG. 3 of the contents treated in FIG.
3 is a display diagram of an embodiment showing a display display of repair information (JS) including graphic information (JG) and character information (JM) corresponding to No. 3.

FIG. 7 is a display diagram of an embodiment showing a display display of countermeasure information (JT) corresponding to step S14 in FIG.

FIG. 8 is a tabulation screen of a failure location input in a graphic screen frame G;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Production system, 2 ... Manufacturing department, 3 ... Manufacturing line, 4 ... Inspection department, 5 ... Appearance inspection process, 6 ... Function inspection process, 7 ... Repair process.

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Satoshi Sakamoto 1-10-1 Shinsayama, Sayama City, Saitama Prefecture Honda Motor Co., Ltd. Saitama Factory

Claims (3)

[Claims] In a product inspection process, a first step of inputting defect information of the product, a second step of executing repair based on the defect information, and feeding back the repair information to a responsible manufacturing department, A quality information management method for stabilizing the quality of a product, wherein the graphic information and the character information of the repair content are included in the repair information of the second step. A quality information management method characterized by being included. 2. The quality information management method according to claim 1, wherein said second step includes the following sub-steps. First sub-step: Select defect information. Second sub-step: Repair based on the defect information,
Enter the cause of the failure and the details of the repair. Third sub-step: Input the processed graphic information and character information. Fourth sub-step: The repair information of the second and third sub-steps is fed back to the responsible manufacturing department. 3. The quality information management method according to claim 1, wherein in the third step, information before and after the countermeasure is input as graphic information as the countermeasure information.