JP2005288574A - Production system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve yield by eliminating the competition state of machining dies. <P>SOLUTION: In this production system, a nesting supporting system 5 is provided to impart nesting information to a machining device 4 based on stored information of a product production schedule information data base 1DB, stored information of a parts arrangement information data base 2DB and stored information of a parts machining information data base 3DB, and a machining device 4 machines parts by a plurality of kinds of machining dies arranged based on the nesting information imparted from the nesting supporting system 5. Machining die resources information is possessed in the production system. Based on resources information on the machining die corresponding to each of parts of a group of the parts selected as nesting objects and resources information on the machining dies equipped in the machining device corresponding to a group of the parts selected as the nesting objects, the number of parts constituting the groups is changed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a production system that processes a part constituting a product by a processing apparatus that uses a plurality of types of processing dies, for example, a production system suitable for the production of a product of a large variety and a small quantity. .

  As an example of a conventional production system that processes parts constituting a product by a processing apparatus that uses a plurality of processing dies, for example, the eighth page of JP-A-2001-184110 (Patent Document 1). As shown in lines 73-78, the parts to be automatically machined (generally referred to as “nesting” and hence referred to as “nesting” hereinafter) are designated as production information (manufacturing number, Some are automatically classified by processing date, delivery date, etc., and are nested for each classification.

JP 2001-184110 A (page 8 lines 73-78)

  As shown in Patent Document 1, automatically nested parts are automatically classified according to production information (manufacturing number, processing date, delivery date, etc.), and are automatically classified when nesting is performed for each classification. As a result, the number of machining dies necessary for machining a part becomes larger than the number of machining dies installed in the machining apparatus (hereinafter abbreviated as “competitive state”).

  Therefore, when nesting the parts constituting the product from a material such as a plate material by the processing die of the processing apparatus, it is necessary to prevent the above-described competitive state from occurring. In addition, as a result of focusing so as not to cause a competitive state, after nesting, many parts that were not used as parts remain in the material (generally, it is said that "yield is bad"). It is also necessary to make it.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to eliminate the competitive state and improve the yield.

The production system according to this invention is:
A product production management system having a product production schedule information database used for planning product production schedules for each product order number and storing product production schedule information by product order number;
A parts arrangement system having a parts arrangement information database which is used to arrange parts constituting a product of a product order number for which a product production schedule for each product order number is planned and stores information on the arrangement of parts;
A CAD system having a parts processing information database that is used to input processing attribute information of each part and stores processing attribute information of each input part;
A processing apparatus for processing the component by a plurality of types of processing dies,
And a nesting support system that provides nesting information to the processing device based on storage information of the product production schedule information database, storage information of the parts arrangement information database, and storage information of the parts processing information database,
A production system in which the processing apparatus processes the component by a plurality of types of processing molds arranged based on nesting information given from the nesting support system,
Processed resource information is stored on the system,
Processing type resource information corresponding to each part of the group of parts selected as the nesting target, and processing type resource information provided in the processing device corresponding to the group of parts selected as the nesting target Based on the above, the number of parts constituting the group is changed.

  The present invention relates to a product production management system having a product production schedule information database which is used for planning a product production schedule for each product order number and stores product production schedule information by product order number, and the product order. A parts arrangement system having a parts arrangement information database used for arranging parts constituting a product of a product order number for which a product production schedule for each number is planned, and storing information on the parts arrangement, and processing attributes of each part CAD system having a part processing information database used for inputting information and storing processing attribute information of each input part, a processing apparatus for processing the part by a plurality of types of processing dies, and the product Based on the storage information in the production schedule information database, the storage information in the parts arrangement information database, and the storage information in the parts processing information database A production system comprising a nesting support system for giving nesting information to the processing apparatus, wherein the processing apparatus processes the part by a plurality of types of processing molds arranged based on the nesting information given from the nesting support system The processing type resource information is stored in the system, and the processing type resource information corresponding to each part of the group of parts selected as the nesting target and the group of the parts selected as the nesting target are stored. Since the number of parts constituting the group is changed based on the processing type resource information provided in the processing apparatus corresponding to the group, the competitive state is eliminated on the system, and the yield is also improved. There is an effect that can.

Embodiment 1 FIG.
A first embodiment of the present invention will be described below with reference to FIGS. 1 is a block diagram showing an example of the overall configuration of the production system, FIG. 2 is a block diagram showing an example of a schematic functional configuration mainly including a nesting support function of the production system of FIG. 1, and FIG. 3 is a production system of FIG. FIG. 4 is an association diagram showing an example of the relationship between products by product order number, parts constituting the product, and processing molds for processing the parts in a family tree. FIG. 4 is processing resource information on the production system of FIG. It is a figure which shows an example of this database. 5 to 12 are diagrams for explaining the operation. FIG. 5 is a diagram illustrating an initial screen. FIG. 6 is a flowchart for extracting the product order number, the number of units, and the production date from the product production schedule information. 7 is a diagram illustrating a screen for displaying the result of extracting the product order number, the number of units, and the production date from the product production schedule information. FIG. 8 is a flowchart for downloading the parts arrangement information. FIG. 9 is a flowchart for explaining grouping of nesting units based on the parts arrangement information for each downloaded part. FIG. 10 is a diagram showing a screen display example of the parts arrangement information for each downloaded part. FIG. 11 is a diagram showing an example of a screen for displaying a nesting unit grouping result, and FIG. 12 is a flowchart for giving nesting group information to the processing apparatus. In addition, in each figure, the same code | symbol shows the same part.

  1 and 2, the production system includes a product production management system 1 having a terminal device 1T and a product production schedule information database 1DB, a parts arrangement system 2 having a terminal device 2T and a parts arrangement information database 2DB, and a terminal device 3T. And a CAD system 3 having a parts processing information database 3DB, a processing device 4 such as a TPP (turret punch press) for processing parts with a processing die, a terminal device 5T and a nesting information database 5DB. A nesting support system 5 for providing nesting information to the product, a product production management system 1, the parts arrangement system 2, the CAD system 3, the processing device 4, and a backbone LAN 6 to which the nesting support system 5 is connected. Has been.

  The product production management system 1 uses a production management department or the like in relation to the delivery date of a product production schedule for each product order number (for example, a product or a semi-finished product (hereinafter referred to as a product including a semi-finished product)). Used for planning assembly schedules, test inspection schedules, etc.).

  The parts arrangement system 2 arranges parts constituting the product of the product order number for which the product production schedule for each product order number is planned by the material department or the like (for example, part processing for the parts manufacturing department or the like). For example, setting of part processing deadline, part processing planned date, etc.).

  The CAD system 3 is a CAD system, a CAD / CAM system, or the like, and attribute information on processing of each part (for example, the material, thickness, size, shape, etc. of the part) is input by the manufacturing department or the like. Then, the attribute information on the processing of each input component is stored in the component processing information database 3DB.

  The processing apparatus 4 is installed in a manufacturing department (for example, a machining department) or the like, and processes the component by a plurality of types of processing molds arranged based on nesting information given from the nesting support system 5. .

  The nesting support system 5 is used by, for example, the manufacturing department (for example, a machining department) and the like. The storage information of the product production schedule information database 1DB obtained via the basic LAN 6 and the storage of the parts arrangement information database 2DB are stored. Nesting information is given to the machining apparatus based on the information and information stored in the component machining information database 3DB. Further, as shown in FIG. 2, the nesting support system 5 has a function of generating a nesting group by the nesting group generation processing unit 51 and storing the nesting group information as a result of the generation in the nesting information database 5DB. ing. The nesting group generation and the nesting group information will be described in the operation description described later.

  The product production management system 1, the parts arrangement system 2, the CAD system 3, and the nesting support system 5 store information stored in the databases 1 DB, 2DB, 3DB, and 5DB via the backbone LAN 6. And share. Therefore, on the production system, as shown in FIG. 3, a product by product order number, parts constituting the product, and a processing type family tree-like association for processing the parts are constructed. Specifically, as shown in FIG. 3, this family tree-like association is, as shown in FIG. 3, product order number, product name by order, number of products by order, and production of each product. An order that considers the post-process such as test inspection based on the drawing number (product drawing number) of the drawing (CAD drawing created using the CAD system 3 (drawing of electronic data)) and the product delivery date Production date of another product (for example, product assembly date, etc.), part name of each part of the product, number of parts per product, production drawing of each part (CAD drawing created using the CAD system 3 (electronic Data)) drawing number (part drawing number), part arrangement information for each product (parts processing instruction, part processing deadline, part processing planned date setting, etc.), parts The type of machining die to be machined (machining die resource information) The number of individual processing dies (resource information of the processing dies) (not shown in FIG. 3 due to paper space), processing attribute information for each part (material, thickness, etc.) (paper space in FIG. 3) And the like are omitted).

  As shown in FIG. 4, for example, the processing mold resource information includes, as the database of the processing mold type and the number of processing molds for each processing apparatus, for example, the part processing information database of the CAD system 3 It is stored in a storage device common to 3DB. As described above, the processing type resource information database is obtained by the product production management system 1, the parts arrangement system 2, the CAD system 3, and the nesting support system 5, respectively. -Since the storage information of the tables 1DB, 2DB, 3DB, and 5DB is shared via the backbone LAN 6, it is not necessarily stored in a storage device common to the parts processing information database 3DB of the CAD system 3. It is not necessary, and it may be stored in a storage device of another database.

  Next, the operation of the nesting group generation and the like will be described with reference to FIGS.

  First, when the “select order” button 511 on the initial screen 51 shown in FIG. 5 is pressed (including a click operation, it is described as pressed), the product production schedule information database 1DB as shown in FIG. The product order number, the number of units, and the production date are extracted from the “product production schedule information” and the screen 71 of FIG. 7 is displayed (step ST61).

  In the screen of FIG. 7, as shown in the figure, the product order number, the number of products by product order number, the production date (the assembly date of the above-mentioned product, etc.), etc. Since a list of production schedule information is displayed, a product order to be processed is selected (step ST62 in FIG. 6).

  Next, in order to extract arrangement information (part arrangement using the above-mentioned parts arrangement system 2) such as a material department corresponding to the product order selected in step ST62, “parts” on the screen 71 in FIG. The “Discharge to arrangement information” button 711 is pressed. As a result, corresponding to the product order selected in step ST62, parts arrangement information for each part arranged in the material department or the like is extracted from the parts arrangement information database 2DB and downloaded (FIG. 8). Step ST81).

  Next, the grouping of nesting units based on the downloaded part arrangement information for each part will be described with reference to FIGS.

  As shown in FIG. 10, the downloaded part arrangement information for each part is a family tree data table (nesting source information database) of arrangement parts for each product order. ) Is displayed as the screen 101 (step ST91 in FIG. 9). In the example of FIG. 10, the product name, the number of products, the production date, and the product drawing number are displayed on the screen 101 for each product order number, and the parts of the parts constituting the product are displayed. The figure number, the number of parts (the number corresponding to the number of the products), the part name, the type of machining type used to machine the part, and the like are displayed as a family tree data table. On the screen 101 in FIG. 10, the result of the parts arrangement information downloaded in step ST81 in FIG. 8 is displayed.

  Next, a product order number and a part to be grouped as a nesting unit are selected on the screen 101 (step ST92 in FIG. 9), and a “to simulation screen” button 1011 (simulation execution button). Is pressed, the processing attribute information such as material and plate thickness and the resource information of the processing type are collated from the part processing information database 3DB in the CAD system (manufacturing department), and the grouping result of the nesting unit Is displayed (step ST93 in FIG. 9). An example of the display is shown in FIG. As described above, after selecting the product production schedule information, the grouping result obtained by collating the part-by-part arrangement information and the part processing information can be automatically displayed.

  In FIG. 11, the processing type display area 111 is a relative position between the processing type 1111 and the turret 1112 which is a result of the simulation when nesting is performed in a nesting group grouped in nesting units. The relationship is displayed.

  In the central portion of the processing mold display area 111, the processing mold names A, B, C, D, and E and the number of processing molds are displayed in a fraction. The denominator of the fraction display is the number of each processing mold equipped in the processing apparatus 4, and the numerator is the number of each processing mold required for nesting by the nesting group. In the fraction display, when the numerator is larger than the denominator, that is, in the example of FIG. 11, the processing type B has the fraction display of 14/12 and the numerator is larger than the denominator. Therefore, with respect to the processing die B, the number of processing dies required for nesting by the nesting group is larger than the number of processing dies provided in the processing device 4, and both are in the competitive state. It is in. Therefore, in the example of FIG. 11, “B * 4/2” is displayed and a warning is displayed (for example, red display, blinking display, etc.), so that the operator can check whether there is a race condition on the screen. It can be easily confirmed.

  Further, in this way, the detailed information on the shape, size, and position of the processing mold B in the competitive state is displayed in the detailed processing mold information display area 112.

  Based on the result of the nesting simulation process, if the machining dies are competing (step ST94 in FIG. 9), it is determined whether to divide the grouping (step ST95 in FIG. 9). When the ping division is performed (including deletion and change of the parts constituting the grouped group), the execution can be performed manually or automatically (step ST96 in FIG. 9).

  In the case of carrying out the operation manually, the correspondence of parts in the grouping manual adjustment area 113 is determined by the operator's judgment based on the data shown in the grouping manual adjustment area 113 on the screen of FIG. If the number of parts constituting the group 1001 is corrected in the decreasing direction by manually correcting the group number of 1001, for example, 1001, to 1000 (step ST97 in FIG. 9), the competition state of the group 1001 is It is finely resolved and can maintain a good yield.

  When performing the above-mentioned automatically (when performing a nesting operation for narrowing down), the system automatically considers the relationship of the product / part / working die for each product order number in FIG. Are automatically divided so as not to compete (step ST98 in FIG. 9), and the result is displayed in the semi-automatic correction display area 114 on the screen in FIG.

  The grouping result obtained by eliminating the competition state manually or automatically is output (step ST99 in FIG. 9) and stored as nesting group information in the nesting information database 5DB (see FIG. 1).

  As shown in FIG. 12, the nesting group information stored in the nesting information database 5DB is converted into data that can be used by the processing apparatus 4 by using commercial application software such as CADMAC (product name) ( Step ST121) and supplying to the processing apparatus 4. Based on the data-converted nesting information, an actual nesting process (step ST122) is performed on the processing apparatus 4 side using a processing die equipped.

When the first embodiment of the present invention is arranged, the product production schedule information database 1DB is used for planning the product production schedule for each product order number and stores the product production schedule information for each product order number. Product production management system 1, a parts arrangement information database 2DB for storing parts arrangement information used for arrangement of parts constituting a product of a product order number for which a product production schedule for each product order number is planned Parts arrangement system 2 having, CAD system 3 having a part processing information database 3DB used for inputting processing attribute information of each part and storing the processing attribute information of each input part, a plurality of types of the parts Processing apparatus 4 for processing with a plurality of processing dies, storage information of the product production schedule information database 1DB, and the parts arrangement information database A nesting support system 5 that provides nesting information to the processing device 4 based on the storage information of the DB and the storage information of the component processing information database 3DB is provided. A production system in which the processing device 4 processes the part using a plurality of types of processed dies, and the processing type resource information is stored in the system, and a group of parts selected for nesting is collected. The group is configured based on processing type resource information corresponding to each part and processing type resource information provided in the processing apparatus corresponding to the group of parts selected as the nesting target. This is a production system in which the number of parts is changed. Can Kusuru.
Further, the nesting support system 5 is not incorporated into the S / W of any one of the product production management system 1, the parts arrangement system 2, and the CAD system 3 by S / W. Since it is configured as a system, a production system having a nesting function can be obtained by adding to the existing production system including the product production management system 1, the parts arrangement system 2, and the CAD system 3.

  Further, product production schedule information by product order number based on the product production schedule information database 1DB, parts arrangement information based on the parts arrangement information database 2DB, and processing of each part based on the parts processing information database 3DB. Since it has a nesting source information database (family tree data table of FIG. 10) that is created based on the attribute information and includes the part information for each product order number, Nesting information can be created automatically.

  Further, since the nesting simulation is performed based on the nesting information and the result of the simulation is displayed, the nesting result information can be checked by the operator by looking at the screen. Can do nesting preparation work.

  Further, when the number of types of machining dies included in the nesting information is larger than the number of types of machining dies installed in the machining apparatus, the fact is displayed, so that the competitive state is accurately determined. Can be resolved.

  The part information by product order number included in the nesting source information database is displayed, and any part in the displayed part information is excluded from the nesting target by input. This makes it possible to fine-tune the tone, eliminate the race condition finely, and maintain a good yield.

  When the number of types of machining dies included in the nesting information is greater than the number of types of machining dies installed in the machining apparatus, the number of types of machining dies included in the nesting information Is automatically set to be equal to or less than the number of types of processing molds equipped in the processing apparatus, so that the work load on the operator can be reduced.

  Instead of the processing type resource information database (processing apparatus) illustrated in FIG. 4, a processing type resource information database (by processing type) as shown in FIG. 13 may be used. .

It is a figure which shows Embodiment 1 in this invention, and is a block diagram which shows an example of the whole structure of a production system. FIG. 2 is a diagram illustrating the first embodiment of the present invention, and is a block diagram illustrating an example of a schematic functional configuration mainly including a nesting support function of the production system of FIG. 1. FIG. 2 is a diagram showing the first embodiment of the present invention, and shows an example of relations between products by product order numbers, parts constituting the products, and processing dies for machining the parts in the production system of FIG. 1 in a family tree. It is an association diagram. It is a figure which shows Embodiment 1 in this invention, and is a figure which shows an example of the database of the process type resource information on the production system of FIG. It is a figure which shows Embodiment 1 in this invention, and is a figure which illustrates an initial screen. FIG. 5 is a diagram showing the first embodiment of the present invention, and is a flowchart for extracting a product order number, the number of units, and a production date from product production schedule information. It is a figure which shows Embodiment 1 in this invention, and is a figure which illustrates the screen which displays the result which extracted the product order number, the number of units, and the production date from the product production schedule information. FIG. 5 is a diagram showing the first embodiment of the present invention, and is a flowchart for downloading parts arrangement information. It is a figure which shows Embodiment 1 in this invention, and is a flowchart explaining the grouping of the nesting unit based on the parts arrangement information for every downloaded part. It is a figure which shows Embodiment 1 in this invention, and is a figure which shows the example of a screen display of the parts arrangement information for every downloaded part. It is a figure which shows Embodiment 1 in this invention, and is a figure which shows the example of the screen which displays the grouping result of a nesting unit. FIG. 5 is a diagram showing the first embodiment of the present invention, and is a flowchart for giving nesting group information to a processing apparatus. It is a figure which illustrates the alternative of the process type resource information database in Embodiment 1 in this invention.

Explanation of symbols

1 product production management system,
1DB product production schedule information database,
2 parts arrangement system,
2DB parts arrangement information database,
3 CAD system,
3DB parts processing information database,
4 processing equipment,
5 Nesting support system.

Claims (6)

A product production management system having a product production schedule information database used for planning product production schedules for each product order number and storing product production schedule information by product order number;
A parts arrangement system having a parts arrangement information database which is used to arrange parts constituting a product of a product order number for which a product production schedule for each product order number is planned and stores information on the arrangement of parts;
A CAD system having a parts processing information database that is used to input processing attribute information of each part and stores processing attribute information of each input part;
A processing apparatus for processing the component by a plurality of types of processing dies,
And a nesting support system that provides nesting information to the processing device based on storage information of the product production schedule information database, storage information of the parts arrangement information database, and storage information of the parts processing information database,
A production system in which the processing apparatus processes the component by a plurality of types of processing molds arranged based on nesting information given from the nesting support system,
Processed resource information is stored on the system,
Processing type resource information corresponding to each part of the group of parts selected as the nesting target, and processing type resource information provided in the processing device corresponding to the group of parts selected as the nesting target And a production system in which the number of parts constituting the group is changed. 2. The production system according to claim 1, wherein product production schedule information by product order number based on the product production schedule information database, parts arrangement information based on the parts arrangement information database, and each of the parts processing information database based on the parts processing information database. A nesting source information database which is created based on attribute information on processing of parts and includes part information by product order number,
A production system characterized by having   The production system according to claim 1, wherein a nesting simulation is performed based on the nesting information, and a result of the simulation is displayed.   4. The production system according to claim 3, wherein when the number of types of machining dies included in the nesting information is greater than the number of types of machining dies installed in the machining apparatus, a message to that effect is displayed. A production system characterized by   5. The production system according to claim 4, wherein the part information for each product order number included in the nesting source information database is displayed, and an arbitrary part in the displayed part information is input. The production system is characterized in that it is excluded from the object of nesting. 4. The production system according to claim 3, wherein when the number of types of machining dies included in the nesting information is larger than the number of types of machining dies installed in the machining apparatus, the nesting information includes The production system according to claim 1, wherein the number of each type of machining die included is automatically set to be equal to or less than the number of each type of machining die equipped in the machining apparatus.

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