KR102126743B1 - Quality data management system - Google Patents

Abstract

Provided is a quality data management system capable of efficiently managing quality data for each product. The quality data management system includes a plurality of firing process spot tables 30 or assembly process spot tables 50, a plurality of two-dimensional barcode readers 20, and a database server 40. Each item is marked with a ticket number. Each item list moves back to the firing process or assembly process, which is the head of the process, after moving a plurality of processes together with the core body or the core. Each two-dimensional barcode reader 20 reads the table number of the actual product list in each process. The database server 40 stores a table number associated with a firing process or an assembly process, and a core serial number of the core body. In addition, the database server 40 stores quality data in association with the core serial number associated with the table number read by the 2D barcode reader 20 in each process.

Description

Quality data management system

The present invention relates to a quality data management system.

Patent Document 1 discloses a conventional quality data management system. This quality data management system is used in a casting facility having a molding process, a core insertion process, a pouring process, a mold decomposition process, and a shipping process. This quality data management system collects data representing various operating conditions of equipment in a molding process, a core insertion process, and a pouring process. The collected data is accumulated in a database server.

In addition, this quality data management system is inputted in a product disassembly process and a shipping process regarding the product number and whether the product is a good product or a defective product. In this quality data management system, when it is inputted as a defective product in a mold disassembly process and a shipping process, a defective place, shape, and form of occurrence are also input. These input data are accumulated in the database server. In addition, the product number can be image-recognized or barcode-recognized, in addition to directly entering a product that is imprinted on the product or printed on a product mark accompanying the product.

This quality data management system can analyze the relationship between the quality of the product and the data indicating the various operating conditions of the equipment, and accumulate it in the database server. For this reason, this quality data management system can easily estimate the cause of product defects, and can also take countermeasures to prevent defects from occurring.

Japanese Patent Publication No. 2001-191174

However, in the quality data management system of Patent Document 1, in order to relate the data indicating the operation status of the product and the equipment to the product, the product number entered in the product list, etc. that has been directly hit by the product or attached to the product is entered. It needs to be done or recognized. For this reason, this quality data management system requires effort or cost to directly mark the product with a different product number for each product or print it on a product list. In addition, this quality data management system may take the time to input or recognize the product number, or there is a concern that the product number may be incorrectly entered.

The present invention has been made in view of the above-mentioned conventional circumstances, and has an object to be solved by providing a quality data management system capable of efficiently managing quality data for each product.

The quality data management system of the present invention includes a plurality of in-stock tables, a plurality of reading devices, and a storage device. Each item list is marked with a table number, and after moving a plurality of processes together with the product, it returns to the leading process, which is the head of those processes, and circulates. Each reading device reads the table number of a product list in each process. The memory device associates and stores the table number and the object identification information of the product in the first step, correlates the object identification information of the product based on the table number read by each reading device in each process, and stores the product quality data Remember in relation to the identification information.

In this quality data management system, individual identification information is associated with a table number of a product list that moves a plurality of processes together with a product. For this reason, in this quality data management system, the reading device reads the table number in each process, so that the storage device can store the quality data in association with the individual identification information. In addition, since this quality data management system uses a plurality of product tables in circulation, it is possible to eliminate the trouble of printing individual identification information for each product into the product tables, and to manage quality data at a relatively low cost. I can do it. Further, this quality data management system can shorten the reading time of the reading device or reduce misrecognition by simplifying the table number.

Therefore, the quality data management system of the present invention can efficiently manage quality data for each product.

In addition, since the quality data management system stores quality data related to the object identification information in the storage device even when the product table is damaged or lost, for example, a new product table with the same content is newly created and added to the product. If it is broken, the system can be operated continuously.

In addition, since this quality data management system circulates a plurality of items list, it collects the history of passing items in each process, and the turnover of the items list or lead time for the items list to move through multiple processes. ) Can be used to improve logistics.

In addition, this quality data management system can analyze the stock situation from the number of sheets of goods on the move during each process. For this reason, this quality data management system can be utilized for reduction of inventory and optimization of production instructions.

In the quality data management system of the present invention, the product may be a medium used for casting. The core is produced by performing in the order of a firing process, a deburring correction process, an assembly process, an adhesive drying process, a painting process, a painting drying process, and an inspection process.鑄型). The product list can be circulated by moving a plurality of processes after the firing process.

Since the core is a slender cylindrical sand, and the printing space is limited, high technology is required to directly attach individual identification information to the core, and there is a concern that the cost may be high. . In addition, when the coating is applied in the painting process, there is a fear that the object identification information printed on the core directly cannot be recognized. In addition, since the core is dried at a high temperature in an adhesive drying step or a figure drying step, an IC tag or the like having low heat resistance cannot be attached. For such a core, this quality data management system stores quality data in association with the object identification information related to the table number by reading the table number of the actual product table in the reading device without printing the object identification information to the core. Can. In addition, this quality data management system can collect each quality data without burdening the operator.

In the quality data management system of the present invention, the individual identification information can be integrally attached to the product. In this case, even if the spot product is damaged or lost, for example, it is possible to attach the newly created spot tag of the same description to the product by relying on the individual identification information attached to the product.

1 is a block diagram showing each production line of a casting equipment.
Fig. 2 is a schematic diagram showing the overall configuration of a quality management system according to the first embodiment.
Fig. 3 is a schematic diagram showing the movement of the item list in the first embodiment.
Fig. 4 is a schematic diagram showing the generation of a core character serial number in the firing process of the first embodiment and the flow of each data.
Fig. 5 is a schematic diagram showing the flow of each data such as a core serial number in each step of the first embodiment.
Fig. 6 is a schematic diagram showing the flow of each data when replacing the firing process product table of Embodiment 1 with an assembly process product table.
7 is a plan view schematically showing the core body.
Fig. 8 is a schematic diagram showing the flow of each data when forming a core by merging the cores of the semi-finished product of the second embodiment.

Embodiments 1 and 2 embodying the quality data management system of the present invention will be described with reference to the drawings.

<Embodiment 1>

As shown in Fig. 1, the quality data management system of the first embodiment is a casting facility having a core line 1, a molding line, a melting line 5, a finishing inspection line 7, and a processing line 9 It is used for the core line 1 at. The core line 1 has a firing process, a deburring correction process, an assembly process, an adhesive drying process, a painting process, a painting drying process, and an inspection process, as shown in FIGS. 2 and 3. The firing process introduces sand into the mold and fires to create a core body. The core body is a main member constituting the core. The core body is placed on a pallet having heat resistance one by one to move each process. The burr removal correction process removes burrs from the core body. In the assembling process, small parts are attached to the main body to assemble the core. In other words, the core is composed of a core body and small parts. In the adhesive drying step, the core after assembly is placed in a drying furnace, and the adhesive is dried at a high temperature. In the coating process, a core is immersed in a solution filled in a container, and a paint for preventing sticking is applied to the surface. In the figure drying step, the core after coating the paint for preventing sticking is put in a drying furnace and dried at a high temperature. In the inspection step, final inspection of the core is performed to determine whether or not it is suitable. Since the production capacity in each process is different in this core line 1, batch production is performed in each process.

In the firing process, as shown in FIGS. 2 to 4, a computer 10 having a touch panel 10A and a two-dimensional bar code reader 20 as a reading device are used. I am installing it. In the firing process, whenever the core body placed on the pallet is fired and generated, the operator operates the touch panel 10A to obtain the core serial number (Z-15X301-1-001), which is the object identification information for each core body. Computer 10 generates. The middle character serial number includes consecutive serial numbers (-001, -002, ...). That is, a different core serial number is generated for each core body. The core body does not need to have a core serial number, but as shown in Fig. 7, the core is provided in the core body 2, and the core is supported when the core is placed in a cavity formed in the lower mold and the upper mold of the mold. The core serial number may be attached to the base board 2A which is a part.

The firing process spot table 30, which is a spot product list, is provided on the spot table post 31 provided in a predetermined number of sheets after a predetermined number of sheets are prepared. As shown in Fig. 4, these firing process spot tables 30 are shown in Table No. (X00001), matrix type two-dimensional code (30A), product number (XX151-55X12-XHT), and shelf number (Y001). , And the process (firing → repair → part height). The table number is to identify the sintering process spot table 30 itself, and includes a series of serial numbers (00001, 00002, ...). That is, different table numbers are printed for each of the sintering table 30 in the firing process. The matrix type two-dimensional code 30A encodes information such as a table number printed on the firing process spot table 30. The part number is the part number of the core body produced in the firing process. The shelf number denotes the shelf number where the core body before firing was temporarily placed. The process represents a process, etc. in which the firing process spot table 30 moves together with the core body. That is, this firing process spot table 30 is taken out from the spot table post 31 after the core body is calcined and generated, and placed on the upper surface of the pallet, followed by a firing process and deburring correction process with the core body. , And move parts height.

In the firing process, the operator uses the two-dimensional barcode reader 20 after operating the touch panel 10A, that is, after a different core serial number (Z-15X301-1-001) is generated for each core body. , The matrix-like two-dimensional code 30A of the firing process spot table 30 placed on the pallet is read. Then, the computer 10 associates the serial number (Z-15X301-1-001) with the table number (X00001) of the firing process spot table (30) printed on the firing process spot table (30). Then, the information associated with this table number and the core serial number is stored in the database server 40 as a storage device.

In addition, in the firing process, for each core body produced, quality data of the core body (for example, the material of sand entering the mold, the firing temperature, etc.) that affects the quality of the core is the core serial number (Z -15X301-1-001), and is stored in the database server 40. These quality data are automatically input by a sensor or inputted by an operator operating the touch panel 10A, and stored in the database server 40. This quality data can be used for nonconformance tracking or failure analysis.

As shown in Fig. 2, the deburring correction process is also provided with a computer 10 having a touch panel 10A and a two-dimensional barcode reader 20. The core body is sent from the firing process to the burr removal correction process while being placed on the pallet. Since the firing process spot table 30 is placed on the upper surface of the pallet, it moves to the deburring correction process together with the core body.

In the deburring correction process, the operator uses the two-dimensional barcode reader 20 to read the matrix-like two-dimensional code 30A of the firing process item list 30 placed on the pallet. Then, the computer 10 acquires the table number (X00001) of the sintering process spot table 30, and based on this table number, the core serial number of the core body placed on the pallet (Z-15X301-1- 001) is obtained from the database server 40. Thereby, the core body from which the burr was removed in the burr removal correction process can be associated with the core serial number.

Then, in the deburring correction process, the quality data of the core body (for example, the presence or absence of cracks or cracks) affecting the core quality is associated with the core serial number for each core body, and is then sent to the database server 40. Is remembered. These quality data are input by an operator operating the touch panel 10A, and stored in the database server 40. This quality data can also be used for non-conformance tracking or failure analysis. The core body, which has completed the deburring correction process, is temporarily stored in the parts warehouse while placed on the pallet.

When the core body placed on the pallet from the part height is moved to the assembly process, as shown in Figs. 2, 3, and 6, the firing process product table 30 is assembled process product table 50. Replace it with The firing process spot table 30 after being replaced by the assembly process spot table 50 is removed from the pallet and returned to the spot table post 31 provided in the firing step. The firing process spot table 30 returned to the spot table post 31 provided in the firing process is, in the order returned to the spot table post 31, as described above, after the core body is fired and generated, the spot table post It is taken out from (31), and the core body is placed on the upper surface of the pallet. In this way, the firing process spot table 30 cycles through the firing process, the deburring correction process, and the part height. Here, the firing process corresponds to a leading process.

As shown in FIG. 3, the assembly process spot table 50 is provided on the spot table post 51 provided in a predetermined number of sheets and provided in the assembly step. As shown in Fig. 6, the assembly process spot table 50 includes a table number (Y00001), a matrix type two-dimensional code (50A), an ASSY part number (XX151-55X12-XNK), and a body part number (XX151-55X12-). XHT), Vung A (X001), part no.造型)). The table number specifies the assembly process spot table 50 itself, and contains a series of serial numbers (00001, 00002, ...). In other words, different table numbers are printed for each assembly production table 50. The matrix type two-dimensional code 50A codes information such as a table number printed on the assembly process spot table 50. ASSY part number is the part number of the core that is assembled by attaching small parts to the core body during the assembly process. The main body part number is the main body part number. The shelf number A is the shelf number where the main body was temporarily placed. The part part number is the part number of a small part that is glued to the main body. The shelf number B is the shelf number where the small parts were temporarily placed. The process represents a process, etc. in which the assembly process spot table 50 moves along with the core. That is, the assembly process spot table 50 is placed on the upper surface of the pallet for mounting the assembled core by bonding small parts to the core body in the assembly process, as shown in FIGS. 2 and 3, together with the core The assembly process, the adhesive drying process, the painting process, the painting drying process, the inspection process, the finished product storage, and the core insertion process of the molding line are moved.

As shown in Fig. 6, the replacement of the firing process product table 30 and the assembly process product table 50 uses a handy terminal computer 60 capable of reading the matrix type two-dimensional codes 30A and 50A. This is done as described below.

First, an operator uses a handy terminal computer 60 to read the matrix-like two-dimensional code 30A of the firing process product table 30 placed on a pallet on which the core body is placed. Then, the handy terminal computer 60 acquires the table number (X00001) of the firing process spot table 30, and based on the obtained table number, the middle serial number (Z-15X301-1-001) is a database server ( 40).

Next, the operator uses the handy terminal computer 60 to read the matrix-like two-dimensional code 50A of the assembly process item list 50. Then, the handy terminal computer 60 acquires the table number (Y00001) of the assembly process spot table 50, and associates this table number with the middle serial number (Z-15X301-1-001). Then, the information relating this table number to the middle serial number is stored in the database server 40. In this way, the firing process spot table 30 and the assembly process spot table 50 are replaced. The replaced assembly process spot table 50 is placed on a pallet where the firing process spot table 30 has been placed until then.

Each process of the assembly process, the adhesive drying process, the painting process, the painting drying process, and the inspection process is provided with a computer 10 having a touch panel 10A and a two-dimensional barcode reader 20. Moreover, the painting process and the painting drying process are equipped with the common touch panel 10A, and are common in these processes.

In each process of the assembly process, the adhesive drying process, the painting process, the painting drying process, and the inspection process, as shown in FIG. 5, the operator displays the assembly process placed on the pallet using the two-dimensional barcode reader 20. The matrix type two-dimensional code 50A in the table 50 is read. Then, the computer 10 acquires the table number (Y00001) of the assembly process spot table 50, and based on this table number, the computer 10 is a core character serial number (Z-15X301) of the core placed on the pallet. -1-001) is obtained from the database server 40. Thereby, the core body of each process and the core serial number can be matched.

Then, in each process of the assembly process, the adhesive drying process, the coating process, the coating drying process, and the inspection process, quality data affecting the quality of cores (for example, the presence or absence of cracks or cracks in each process, the adhesive drying The database server (40) is associated with the core serial number (Z-15X301-1-001) for each core character, such as the temperature of the drying furnace in the process, the components of the solution in the coating process, and the temperature of the drying furnace in the coating drying process. ). These quality data are automatically input by a sensor, or inputted by an operator operating the touch panel 10A, and stored in the database server 40. These quality data can also be used for non-conformance tracking and defect analysis.

After the inspection process is completed, the core is temporarily stored in the finished product storage box while being placed on the pallet. Thereafter, the core is conveyed to the core inserting step of the molding line while being placed on the pallet, and is placed in the cavity formed in the lower mold and the upper mold of the mold. At this time, the operator reads the matrix-like two-dimensional code 50A of the assembly process item list 50 placed on the pallet using the two-dimensional barcode reader 20. In this way, information on which core is put into the mold is collected and stored in the database server 40. In addition, the assembly process spot table 50 placed on the pallet is removed from the pallet after the operator reads the matrix type two-dimensional code 50A using the two-dimensional barcode reader 20 and installed in the assembly process. It is returned to the item list post 51. The assembly process product table 50 returned to the product table post 51 provided in the assembly process is used to replace the firing process product table 30, as described above, in the order of returning to the product table post, and is core Is placed on the upper surface of the loaded pallet. As described above, the assembly process spot table 50 cycles through the assembly process, the adhesive drying process, the painting process, the painting drying process, the inspection process, the finished product storage, and the core insertion process of the molding line. Here, the assembling process corresponds to the leading process.

As described above, the quality data management system of the first embodiment includes a plurality of firing process spot tables 30, a plurality of assembly process spot tables 50, a plurality of two-dimensional barcode readers 20 provided in each process, and a database. The server 40 is provided. Each firing process spot table 30 and each assembly process spot table 50 are labeled. Each firing process spot table 30 is returned to the firing process via the spot table post 31 provided in the firing process after the firing process, the deburring correction process, and the part height are moved together with the core body. In this way, each calcination process spot table 30 cycles through the calcination process, the deburring correction process, and the part height. In addition, each assembly process spot table 50 is moved to the assembly process after moving the assembly process, the adhesive drying process, the painting process, the painting drying process, the inspection process, the finished product storage, and the core insertion process of the molding line together with the core. It is returned to the assembly process via the prepared item list post 51. In this way, the assembly process spot table 50 cycles through the assembly process, the adhesive drying process, the painting process, the painting drying process, the inspection process, the finished product storage, and the core insertion process of the molding line. Each 2D barcode reader 20 reads the table number of the firing process spot table 30 or the assembly process spot table 50 in each process. The database server 40 stores the table number associated with the firing process or assembly process, which is the leading process, and the core serial number of the core body. In addition, the database server 40 stores quality data in association with the core serial number associated with the table number read by the 2D barcode reader 20 in each process.

In this quality data management system, a core serial number is associated with the table number of the firing process spot table 30 or the assembly process spot table 50 which moves a plurality of processes together with the core body or the core. For this reason, in this quality data management system, the database server 40 can associate the core serial number and store the quality data by reading the table number by the two-dimensional barcode reader 20 in each process. In addition, since this quality data management system circulates and uses a plurality of firing process spot tables 30 or assembly process spot tables 50, the firing process spot tables 30 for different core serial numbers for each core or core are used. Alternatively, it is possible to eliminate troubles and the like to be printed on the item list 50 of the assembly process, and to manage quality data at a relatively low cost. Moreover, this quality data management system can shorten the reading time of the 2D barcode reader 20 or reduce misrecognition by simplifying the table number.

Therefore, the quality data management system of Embodiment 1 can efficiently manage quality data for each product.

In addition, in this quality data management system, even when the firing process spot table 30 or the assembly process spot table 50 is damaged or lost, the quality data related to the core serial number is stored in the database server 40. Therefore, if the firing process spot table 30 or the assembly process spot table 50 with the same contents is newly created and placed on the core body or the pallet on which the core is placed, the system can be continuously operated.

In addition, since this quality data management system circulates a plurality of firing process spot tables 30 or a plurality of assembly process spot tables 50, the passing history of these spot tables in each process is collected, It can be utilized to improve logistics by analyzing the turnover of the product list, lead time, etc. in which the product table moves through multiple processes.

In addition, this quality data management system can analyze the stock situation from the number of sheets of the firing process spot table 30 or the assembly process spot table 50 while moving each process. For this reason, this quality data management system can be utilized for reduction of inventory and optimization of production instructions.

This quality data management system is used for the production of cores used for casting. The core is produced by performing in the order of a firing process, a deburring correction process, an assembly process, an adhesive drying process, a painting process, a painting drying process, and an inspection process, and is put into a mold. The firing process spot table 30 cycles through the firing process, the deburring correction process, and the part height. The assembly process spot table 50 cycles through the assembly process, the adhesive drying process, the painting process, the painting drying process, the inspection process, the finished product storage, and the core insertion process of the molding line.

Since the core is a slender cylindrical sand, and the printing space is limited, a high technique is required to directly attach the core number to the core, and there is a concern that the cost will be high. In addition, there is a possibility that the core number serially printed on the core may not be recognized when the coating is applied in the coating process. In addition, since the core is dried at a high temperature in an adhesive drying step and a figure drying step, IC tags or the like having low heat resistance cannot be attached. For such a core, this quality data management system reads the table number of the firing process spot table 30 or the assembly process spot table 50 with a reading device without printing the core number to the core. Quality data can be stored in association with the core serial number associated with these table numbers. In addition, this quality data management system can collect each quality data so as not to burden the operator.

In addition, in this quality data management system, if a core serial number is attached to the core body integrally, even if the firing process spot table 30 or the assembly process spot table 50 is damaged or lost, for example, it is integral to the core body. By relying on the attached core number, it is possible to correctly place the newly prepared same firing process spot table 30 or assembly process spot table 50 on the core body or the pallet on which the core is placed.

<Embodiment 2>

The quality data management system of the second embodiment incorporates a plurality of semi-finished cores (assembly steps and adhesive drying steps, and the core body and small parts are integrated) to form a cavity formed in the lower mold and upper mold of the mold. The point of forming a core disposed therein is different from the first embodiment. Other configurations are the same as in the first embodiment, and the same components are given the same reference numerals, and detailed description is omitted.

In this quality data management system, when the cores of two semi-finished products are merged to form a core, as shown in Fig. 8, in the assembly process, the assembly process spot table 57 after coalescence is as described below. It is written.

First, the operator uses the two-dimensional barcode reader 20 provided in the assembly process, and the matrix-type two-dimensional code 53A of the assembly process item list 53, 55 placed on the pallet where the core of the semi-finished product is placed. 55A) respectively. Then, the computer 10 acquires the respective table numbers (Y00001, Y00002), and inputs the core serial numbers (Z-15X301-1-001, Z-15X301-1-002) associated with these table numbers (40). ). In the assembly process spots 53 and 55 of the semi-finished product, the same items as the above-described assembly process spots 50 are printed, but in the process column, "assembly → adhesive drying → assembly" is printed. have. That is, it is shown that the assembly process spot tables 53 and 55 move to the assembly process in order to coalesce, after moving the assembly process and the adhesive drying process together with the core of the semi-finished product.

Next, the operator uses the two-dimensional barcode reader 20 to read the matrix-like two-dimensional code 57A of the assembly process product list 57 after coalescence. Then, the computer 10 acquires the table number (Y00010) of the assembly process spot table 57 after the coalescence, and newly generates a middle character serial number (Z-15X301-1-001-U). Thereafter, the information relating the acquired table number (Y00010) and the new middle serial number (Z-15X301-1-001-U) is stored in the database server 40. In addition, the middle character serial number (Z-15X301-1-001, Z-15X301-1-002) of each middle character of the semi-finished product, and the new middle character serial number (Z-15X301-1-001-U) after coalescence are associated with the database. It is stored in the server 40. In the assembly process spot table 57 after the coalescence, the table number, the matrix type two-dimensional code 57A, the ASSY part number, and the process are printed.

After the coalescence, the assembly process spot table 57 is provided in the spot table post 51 provided in a predetermined number of sheets, and provided in the assembly process. As described above, the assembly process spot table 57 is placed on the upper surface of the pallet on which the incorporated core is placed, and the assembly process, the adhesive drying process, the painting process, the painting drying process, the inspection process, and the finished product storage with the core , And move the core insertion process of the molding line. Then, the assembly process spot table 57 is removed from the pallet and returned to the spot table post 51 provided in the assembly process when the core after coalescence is disposed in the cavity formed in the lower mold and the upper mold of the mold. This assembly process product table 57 returned to the product table post 51 provided in the assembly process, in the order returned to the product table post 51, as described above, combines the cores of the semi-finished products to form a core. It is used when. Thus, this assembly process spot table 57 also cycles through the assembly process, the adhesive drying process, the painting process, the painting drying process, the inspection process, the finished product storage, and the core insertion process of the molding line. Here, the assembling process corresponds to the leading process.

In this way, also in the quality data management system of the second embodiment, a new core serial number is associated with the table number of the assembly process spot table 57 that moves a plurality of processes together with the core after integration. For this reason, in this quality data management system, the database server 40 can associate the core serial number and store the quality data by reading the table number by the two-dimensional barcode reader 20 in each process. In addition, since this quality data management system circulates and uses a plurality of assembly process spot tables 57 after the coalescence, the trouble of printing a different serial number for each core after the coalescence process is eliminated. The quality data can be managed at a relatively low cost. In addition, this quality data management system can shorten the reading time of the 2D barcode reader 20 or reduce misrecognition by simplifying the table number.

Therefore, the quality data management system of Embodiment 2 can efficiently perform quality data management for each product.

The present invention is not limited to the first and second embodiments described by the above description and drawings, and for example, the following embodiments are also included in the technical scope of the present invention.

(1) In the first embodiment, the firing process product table and the assembly process product table are provided, and when the core body is moved from the parts warehouse to the assembly process, the firing process product table is replaced with the assembly process product table, but one kind of product table. The entire process may be moved and circulated.

(2) The description of each table number, each article number, and each shelf number shown in Embodiments 1 and 2 is one example, and other forms may be used.

(3) In the first and second embodiments, the quality control system was used for the core line of the casting equipment, but it may be used for other manufacturing lines.

(4) In Embodiments 1 and 2, the quality management system was used for quality control of cores, but it is not limited to castings, and may be used for quality control of other products.

20: 2D barcode reader (reading device),
30, 50, 53, 55, 57: product table (30: firing process product table, 50, 53, 55, 57: assembly process product table),
40: database server (storage device)

Claims (3)

After the plural number of processes are moved together with the product, there are a plurality of items list that circulates back to the leading process, which is the head of the process, and
A plurality of reading devices for reading the table number of each item in the above-mentioned process,
In the first step, a table number attached to each item on the spot that circulates through the plurality of steps is stored in association with individual identification information of the product, and is associated with the table number read by each reading device in each step. And a storage device for storing quality data in association with the object identification information.
The table number is different for each item of the item, and quality data management system characterized by specifying each of the items of item. According to claim 1,
The product is manufactured by performing in the order of a firing process, a deburring correction process, an assembly process, an adhesive drying process, a painting process, a painting drying process, and an inspection process, and is a core used for casting by being put into a mold,
The product list is a quality data management system, characterized in that to move and circulate a plurality of processes after the firing process. The method according to claim 1 or 2,
Quality information management system, characterized in that the object identification information is integrally attached to the product.

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