JP2004021397A - Schedule planning system and schedule plan creation method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To automatically create a working schedule table to flexibly respond the order for various articles from each customer so as to delivery the articles within date of delivery. <P>SOLUTION: By receiving specification data related to manufacturing specifications of an article and order reception data related to order reception from a host computer 11, a schedule planning device 10 determines working process of the article on the basis of the specification data and creates a schedule table which assigns working units to each production facility in accordance with the date of delivery specified by the order reception data at each process. A production facility as a target of assignment is selected on the basis of the constraint condition of each production facility configured in a machine constraint condition table T2. The assignment is performed with calculating a working time by referring an operation time setting table T3 and an indirect time setting table T4 so that the schedule table without delay for delivery can be created. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is directed to a product that goes through a plurality of work processes in a production factory, and a schedule planning system that supports creation of a work schedule used when producing these products in time for a delivery date specified by a customer. And how to create a schedule.
[0002]
[Prior art]
For example, bags containing snacks are mostly made-to-order and have different specifications for each customer, and must be produced within the specified delivery date. In a factory that produces such orders, for example, several machines for printing, several machines for processing, several machines for finishing, etc. Yes, these machines are selectively operated according to each order.
[0003]
Here, among the machines installed in the factory as production facilities, there are machines that can be used in common for each order, and others that cannot be used in common. Also, the production capacity differs for each machine. Therefore, in order to produce each ordered item on time, it is necessary to create a work schedule in consideration of these matters and to operate each machine efficiently according to the schedule. It becomes important.
[0004]
Conventionally, such a work schedule has been created by a production manager. In other words, a method is adopted in which a production manager describes a schedule in which work is assigned to each machine on a predetermined sheet so that each ordered product does not have a deadline, while taking into consideration the capabilities of the machine and the stocking status of materials.
[0005]
[Problems to be solved by the invention]
As described above, conventionally, the production manager created the work schedule, which was very troublesome and time-consuming. In particular, in a production facility that has various machines for each process, additional time such as the performance of the machine, the stocking status of materials, and the time for material replacement is added to each incoming order. It is very difficult to quickly set up a schedule without any breaks in delivery due to consideration, and errors are also likely to occur.
[0006]
The present invention has been made in view of the above points, and in order to flexibly respond to various product orders from each customer, it is possible to automatically create a work schedule in which these products can be put on time. It is an object to provide a scheduling system and a scheduling method.
[0007]
[Means for Solving the Problems]
A schedule planning system according to claim 1 of the present invention is a specification data reading means for reading specification data described in a product manufacturing specification, and an order data reading means for reading order data described in an order card of a product. And a process developing means for determining the work process of the product based on the specification data read by the specification data reading device and dividing the process for each process, and for each process divided by the process developing device. And scheduling means for creating a schedule in which work units are allocated to each production facility in accordance with the delivery date specified by the order data read by the order data reading means.
[0008]
According to the scheduling system having such a configuration, the specification data described in the production specification of the product and the order data described in the order card of the product are input, and the delivery date is adjusted for each work process of the product. Thus, a schedule in which work units are assigned to each production facility is automatically created.
[0009]
Further, the schedule planning system according to claim 2 of the present invention comprises: specification data reading means for reading specification data described in a product manufacturing specification; and order data for reading order data described in an order card for the product. A reading unit, a process developing unit that determines a work process of the product based on the specification data read by the specification data reading unit, and divides the process for each process, and a process specification that can be produced for each production facility. A machine constraint condition table in which constraint conditions are set, an operation time setting table in which the operation time of each production facility is set, and an indirect time setting table in which an indirect time associated with work switching of each production facility is set, The production equipment to be assigned is selected with reference to the machine constraint condition table for each of the processes divided by the process development means, and during the operation, Referring to the setting table and the indirect time setting table, while calculating the work time when the work unit is allocated to the production equipment, each production is performed in accordance with the delivery date specified by the order data read by the order data reading means. And scheduling means for creating a schedule in which work units are assigned to the equipment.
[0010]
According to the scheduling system having such a configuration, the specification data described in the production specification of the product and the order data described in the order card of the product are input, and the delivery date is adjusted for each work process of the product. Thus, a schedule in which work units are assigned to each production facility is automatically created. In this case, first, the production equipment to be assigned is selected using the machine constraint condition table, and subsequently, the operation time when the work unit is assigned to the production equipment using the operation time setting table and the indirect time setting table is determined. It is calculated and the work unit for the work time is allocated.
[0011]
According to a third aspect of the present invention, in the schedule planning system according to the second aspect, the scheduling means determines whether or not delivery is broken when an operation unit is assigned to the production facility, and the delivery is broken. In this case, the work unit is assigned to another production facility with reference to the machine constraint condition table.
[0012]
According to the schedule planning system having such a configuration, when the delivery deadline occurs, another production facility is newly selected as a substitute and the work unit is assigned to the production facility.
[0013]
According to a fourth aspect of the present invention, in the schedule planning system according to the first or second aspect, there is provided a material information acquiring unit for acquiring material information, and the scheduling unit is obtained by the material information acquiring unit. The scheduling corresponding to each process is performed between the earliest start schedule determined by the material information and the final schedule determined by the delivery date.
[0014]
According to the scheduling system having such a configuration, the earliest start schedule is set based on the material information, for example, taking into account the stocking status of paper and the like, and each of the earliest start schedule and the final schedule determined by the delivery date is set. Scheduling corresponding to the process is performed.
[0015]
According to a fifth aspect of the present invention, in the schedule planning system according to the first or second aspect, a work table output unit that outputs the work table created by the scheduling unit, and a delivery date based on the work table It is characterized by comprising a delivery date answering means for giving an answer and a work instruction means for giving a work instruction based on the work table.
[0016]
According to the scheduling system having such a configuration, it is possible to check the created work table by printing it on paper, etc., and to return a delivery date answer to a sales representative or the like based on the work table, In addition, a work instruction can be sent to a production site person or the like.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0018]
FIG. 1 is a block diagram showing a configuration of a schedule planning system according to an embodiment of the present invention. This system is for supporting creation of a work schedule required when a product is produced within a delivery date in a factory. The schedule planning device 10, a host computer 11, a progress result management server 12, Consists of The term “product” as used herein refers to an ordered product having a delivery date specified by a customer. Specifically, for example, a bag for storing snacks, a printing technology such as a magazine, a catalog, a paper container, a wallpaper, a color filter, and the like. , But the type of the product is not particularly limited.
[0019]
The schedule planning device 10 is a device that automatically creates a work schedule for producing the above-mentioned products within a delivery date, and includes a scheduling function 10d, a schedule output function 10e, a delivery date reply function 10f, and a work instruction function 10g. .
[0020]
The scheduling function 10d performs a scheduling process for creating a work schedule for each process. In this scheduling process, an input priority table T1, a machine constraint condition table T2, an operation time setting table T3, and an indirect time setting table T4 are used together with an activity information storage unit DB storing activity information which is information on each work process. However, the configuration of these tables will be described later with reference to FIGS. The activity indicates a work frame divided for each process. This activity is assigned to each machine on the Gantt chart as a schedule (work schedule), and the activity information indicates data storing information for each process. The activity information includes an order number, process information, component information, material information, constraint conditions, and the like. Note that the constraint condition includes at least the designation information of the first priority model.
[0021]
The schedule output function 10e performs an output process (printout) of the work schedule created by the scheduling function 10d. The delivery date response function 10f performs a process of returning a delivery date response to the host computer 11 operated by the sales representative based on the work schedule, and the work instruction function 10g performs production site personnel based on the work schedule. Gives a work instruction to the progress management server 12 operated by the user.
[0022]
The schedule planning apparatus 10 having such functions 10d to 10g reads a program recorded on a recording medium such as a magnetic disk, and is configured by a computer whose operation is controlled by the program. The above-described functions 10d to 10g functionally show processes executed by a CPU (not shown) provided in the schedule planning device 10 according to a procedure described in a program. The activity information storage unit DB and each of the tables T1 to T4 are provided in a predetermined area of a memory device (not shown).
[0023]
On the other hand, the host computer 11 and the progress record management server 12 are connected to the schedule planning device 10 online.
[0024]
The host computer 11 exists as a higher-level device of the present system, and has a manufacturing specification registration function 10a, an order card registration function 10b, and a process development function 10c. These functions 10a to 10c show a series of processes for realizing the present system together with the functions 10d to 10g provided in the schedule planning device 10, and in the present embodiment, the functions 10a to 10g The function 10c is performed by the host computer 11.
[0025]
The manufacturing specification registering function 10a performs a process of accepting a registration of a manufacturing specification for each product created by a quality manager or the like via a terminal (not shown) or the like. The order card registration function 10b performs a process of accepting the registration of order information called an order card in which a business or the like who has received an order from a customer describes the delivery date and quantity of the product. The manufacturing specification and the order card will be described later in detail with reference to FIGS. The process development function 10c reads out the manufacturing specification of the corresponding product based on the order card, determines the work process of the product from the manufacturing specification, and divides the process for each process (also referred to as component development process). I do. The information created by the process development function 10c is the activity information, and the host computer 11 passes the activity information together with the material information and the work progress results to be described later to the schedule planning device 10 to create a work schedule for the product. Let
[0026]
The host computer 11 is provided with such functions 10a to 10c, so that, with respect to an incoming ordered product, a manufacturing specification describing data relating to the manufacturing specifications of the product or an order receiving description describing data relating to the order of the product. The activity information obtained by performing the process development from the card is given to the schedule planning apparatus 10, and the material information relating to the stocking status of materials such as cylinders (plates) and paper, and the information such as the work progress obtained from the progress management server 12 are provided. This is given to the schedule planning device 10. After registering the activity information received from the host computer 11 in the activity information storage unit DB, the schedule planning device 10 executes the functions 10d to 10g described above.
[0027]
Further, the progress achievement management server 12 is a computer that manages the production equipment 13, and obtains achievement data on the current work progress status from the production equipment 13 and gives it to the host computer 11.
[0028]
A plurality of types of the production equipment 13 are prepared for each process such as several printing machines, several processing machines, and several finishing machines. Are selectively operated according to the contents of the ordered goods at that time. FIG. 2 shows an example of a soft packaging process. When this kind of product is manufactured, it is generally divided into work steps such as “printing” → “processing” → “finishing”. Further, the “processing” step is divided into lamination (lamination), coating, and the like, and the “finishing” step is divided into slitters, bag making, sheeters, and the like. Which product has which work process is described in advance in the manufacturing specification. When the host computer 11 receives the input of the order card, the host computer 11 develops an activity for each work process described in the manufacturing specification. And sends it to the schedule planning device 10. Thus, the schedule planning device 10 performs scheduling for each work process based on the activity information and the like.
[0029]
Here, with reference to FIGS. 3 to 6, each table T1 to T4 required in the scheduling process of the present system will be described.
[0030]
FIG. 3 is a diagram showing a configuration of the input priority table T1.
[0031]
The input priority table T1 is a table in which priorities for allocating activities (units of work) to production equipment for each process are set, and as shown in FIG. Priorities 1 to 5 can be set. Note that the conditions of priority 1 to 5 in the model group include at least “delivery date”. When “delivery date” is set as priority 1, the activity is assigned with priority given to the delivery date specified for the product. Other priority conditions include “quantity”.
[0032]
FIG. 4 is a diagram showing a configuration of the machine constraint condition table T2.
[0033]
The machine constraint condition table T2 is a table in which process specifications that can be produced for each production facility are set, is used when selecting a production facility to which an activity is to be allocated, and has a load factor of 100 for that production facility. %, Or when the delivery date falls, it is used to select alternative production equipment. In the example of FIG. 4, as the production equipment used in the “printing (SL)” process, “the number of printable colors (total number of colors)”, the “number of reversible colors”, the “cylinder” The “circumference”, “cylinder surface length”, “paper width”, “paper thickness”, “paper feed diameter” and the like are set in advance as constraint conditions. For example, if there is an order for a product that uses 720 mm as the paper width size, four printing presses indicated by model codes “A1”, “A2”, “C1”, and “C2” match the condition. Therefore, these printing presses are selected as allocation targets. In addition, there are various conditions, such as cylinder size, depending on the product, and activities are assigned to printing presses that satisfy all of the conditions in consideration of the input priority. Note that what kind of material (also referred to as material) is required for each product is described in advance in the manufacturing specification.
[0034]
FIG. 5 is a diagram showing a configuration of the operation time setting table T3.
[0035]
The operation time setting table T3 is a table in which operation speeds for calculating the operation time in each production facility are set. In the example of FIG. 5, the operation speeds for the printing machines indicated by the model codes “A *”, “B *”, and “C *” are set based on the “number of colors” and the “lot”. . Other conditions include, for example, “paper type” and “plate depth”. Based on these conditions, the operation time of the production facility is calculated based on the operation speed, that is, the time spent in the process of manufacturing products. Is calculated. This driving time is included in the work time of the activity.
[0036]
FIG. 6 is a diagram showing the configuration of the indirect time setting table T4.
[0037]
The indirect time setting table T4 is a table in which indirect times associated with work switching are set. For example, when printing on a company's products using a certain printing machine and then printing on company A, even if the printing machine used for printing is the same, various types of plates and inks are used depending on the product. Material must be replaced. The time required for the replacement work is predetermined as an indirect time in the indirect time setting table T4. In the example of FIG. 6, regarding the printing presses indicated by the model codes “A *”, “B *”, and “C *”, “plate change”, “pressure roll change”, “doctor change”, “finisher roll” The time required for "replacement", "ink replacement", and "reversal" is set. For example, for a printing machine with a model code of “A *”, 2 minutes / unit is prepared at the end of the “version change”, which is the work of exchanging the version used for A's product with the version used for A's product. Takes 2 minutes / unit. Other conditions include, for example, "change of paper thickness", "change of mold", "color matching", and the like, and the work time of the activity is calculated in consideration of these indirect times. Thus, the work time is calculated from the operation time and the indirect time.
[0038]
Next, the operation of the present system will be described.
[0039]
FIG. 7 is a flowchart for explaining the operation of the present system, and shows the flow of processing executed by the host computer 11 and the schedule planning device 10 that constitute the present system.
[0040]
As shown in FIG. 7, first, the host computer 11 performs a process of registering the data of the manufacturing specification of each product (step S11). The manufacturing specification describes data relating to the manufacturing specification of the product for which an order has been received, and the specification data includes information on materials required for the product and work processes of the product. FIG. 10 to FIG. 14 are diagrams showing an example of the manufacturing specification sheet. FIG. 10 shows “Breakdown / part information” as manufacturing specification data of a product specified by a customer “XX Corporation” and a product name “A product”. 11, FIG. 11 shows "paper / resin information", FIG. 12 shows "ink / material information", FIG. 13 shows "original plate / plate information", and FIG. 14 shows "printing / processing information". Of these, FIGS. 10 to 11 show information on parts and materials for composing a product, and FIGS. 13 and 14 show information on work processes. In addition, the "parts" are, for example, a paper container of an ice cup, and the container and the lid are respectively called parts. Further, “paper / resin information” in FIG. 11 indicates that “720”, “700”, “700”, and “680” are used as the paper size of each product. In the “printing / processing information” of FIG. 14, work steps are indicated by specific codes such as “SL”, “FC”, “DL”, and “TD”.
[0041]
Next, the host computer 11 reads the order card of the product for which the manufacturing request has been made (step S12). In this method, a person requested to manufacture by a customer, such as a sales person, receives an order card and causes the host computer 11 to read data described on the order card. The order card contains data of the product specification sheet, and in addition to the quantity and unit price, the order data includes information indicating the delivery date of the product requested to be manufactured. . FIG. 15 is a diagram showing an example of an order receiving card. Order receiving data of a product specified by a customer “XX Co., Ltd.” and a product name “A product”, as well as a quantity and a unit price, a delivery completion date (delivery date) "Head information" is designated.
[0042]
Next, the host computer 11 determines the work process of the product based on the manufacturing specification data corresponding to the product in which the order card is registered, and divides the work process into each process as shown in FIG. 2, for example. Then, the activity information is transmitted to the schedule planning device 10 (step S13).
[0043]
As described above, when the host computer 11 performs processes such as registration of a manufacturing specification, reading of an order card, and process development for a product for which manufacturing has been requested, the scheduling device 10 Such processing is performed.
[0044]
That is, the schedule planning device 10 first obtains material information and work progress result data from the host computer 11 together with the above-described activity information (step S14). The material information indicates, for example, the stocking status of materials necessary for manufacturing products such as cylinders and paper. This is based on the premise that the materials are available when the schedule is set, and therefore the stocking status of the materials corresponding to the product is confirmed based on the material information. The work progress result data indicates the current work progress status of each production facility, and is referred to, for example, when allocating an activity except for an active production facility.
[0045]
Next, the schedule planning device 10 executes a scheduling process for each process based on the activity information received from the host computer 11 and registered in the activity information storage unit DB (Step S15). In this scheduling process, a process of creating an operation table in which activities are assigned to the respective production facilities in accordance with the delivery date specified in the order data for each process is performed.
[0046]
Here, a method of assigning activities will be specifically described with reference to FIG.
[0047]
FIG. 8 is a diagram showing an example of assignment of activities in the printing process. Now, it is assumed that there are four printing machines (No. 1 to No. 4) as production equipment, and each activity (unit of work) is assigned to these printing machines. Each printing press has a different production capacity and a different task. Therefore, not all printing presses to which activities are assigned need to be assigned efficiently to printing presses that can respond to the activity so that delivery dates are not broken. The delivery deadline means that the delivery date specified by the customer is not met.
[0048]
The activity information storage unit DB holds information of each activity (activity information) obtained from the manufacturing specification, and these activities are taken out in the order of the input priority determined by the input priority table T1 or the like. Assigned to each printing press. In this case, based on the machine constraint conditions set in the machine constraint condition table T2, a printing machine that can respond to each activity is selected, and each activity is assigned to the printing machine.
[0049]
In FIG. 8, blocks arranged on the time axis for each printing press indicate activities, and the size of the blocks corresponds to the work time of the activities. The work time of this activity is calculated from the operation time set in the operation time setting table T3 and the indirect time set in the indirect time setting table T4. Note that the notation “front: ***” and “back: ***” in the block indicates the color to be printed on the front and back of the paper, and the number below it indicates the quantity to be printed. For example, “Table 4: Red, Yellow, Green, and Black” indicates the contents of work such as printing in four colors of red, yellow, green, and black on the surface of a sheet, and “2000” indicates printing of 2000 sheets.
[0050]
First, the schedule planning apparatus 10 reads out each activity from the activity information storage unit DB, rearranges it based on the input priority table T1, and creates a list of these activities ((1) in FIG. 8). Next, the schedule planning device 10 extracts an activity with a high priority (in the example of FIG. 8, the activity of the input priority 7) from the above-described list ((2) in FIG. 8).
[0051]
Now, as shown in FIG. 8, the activity of the input priority 1 is No. 4, the activity of the input priority 2 is No. 3, the activity of the input priority 3 is No. 2, and so on. Is assigned to each printing press. Here, when the next activity of the input priority 7 is assigned to the third unit of the first priority model with reference to the machine constraint condition table T2 and the like ((3) and (4) in FIG. 3), the delivery deadline etc. Is changed, the assignment is changed to another printing press. In this case, based on the machine constraint conditions set in the machine constraint condition table T2, a printing machine capable of responding to the activity of the input priority 7 is to be assigned, and the operation time setting table T3 and the indirect time setting table T4 are set in the printing machines. By referring to and searching for the printing machine having the earliest end date, this printing machine is selected as a printing machine for an alternative facility ([5] in FIG. 8). In the example of FIG. 8, it is shown that the No. 2 unit is selected as the substitute facility, and the activity of the input priority 7 is assigned thereto ([6] in FIG. 8).
[0052]
In this way, the activities are sequentially allocated to appropriate printing machines so as not to fall short of the delivery date, and the finally obtained allocation result is output as a schedule. FIG. 9 shows a specific processing procedure at this time.
[0053]
Although the example of FIG. 8 is the case of the printing process, the same applies to other work processes, and an appropriate production facility is selected according to the delivery date, and an activity schedule is allocated to the production facility. It will be created automatically. In this case, if the work has continuity between the respective work processes, adjustment is made so that the next work process is not scheduled at a work time earlier than the previous work process. In other words, as shown in FIG. 2, in the case of going through work steps such as “printing” → “processing” → “finishing”, first, the final time is determined by scheduling for “printing”, and then the next work is performed. Scheduling is performed so that "processing", which is a process, is started after the last time. Also, the time interval required for work in each process is determined between the earliest start date determined by material information indicating the storage status of paper and cylinders and the last date determined by delivery date, and within each time interval The assignment of each activity as described in FIG. 8 is performed. The connection between the work processes is defined by constraint information included in the activity information. This makes it possible to determine the relationship of each activity information between each work process, and adjust the work schedule without duplication.
[0054]
FIG. 9 is a flowchart showing the scheduling process executed in step S15 in FIG. 7, and shows the processing procedure of the activity allocation method described in FIG.
[0055]
First, the schedule planning device 10 determines the input sequence of activities with reference to the input priority table T1 shown in FIG. 3 (step S21). More specifically, the order of input of the activities is determined by the system priority and the input priority table T1 in the activity information, and is sorted by the items specified by the system priority, the model group priority, and the model group priority 1 to 5. It will be the order that was done.
[0056]
The system priority is one factor for determining the input priority and is higher than the priority obtained from the input priority table T1. When issuing a work instruction from the present system to the production site, it is inconvenient if the latest schedule changes every time the scheduling is performed. Schedules are not affected. This is called system priority, and includes, for example, results, delivery date answer, model start fixed, model fixed, and free. Among these, the system priority of the result activity is the highest. The performance activity is an activity (activity that has already been performed) that has been sent from the performance collection system (progress performance management server 12), and is a completely fixed activity and is not moved by scheduling.
[0057]
When the order of inputting the activities together with the input priority table T1 is determined in consideration of such a system priority, the schedule planning device 10 stores each activity corresponding to the work process from the activity information storage unit DB in accordance with the input order. Are sequentially taken out (step S22).
[0058]
Next, the schedule planning device 10 determines whether or not a model has been designated in advance as the first priority model in the extracted activity (step S23). The specification information of the first priority model is included in the activity. If the first priority model is not specified in the activity (“none” in step S23), the scheduling device 10 refers to the machine constraint condition table T2 and assigns a production facility that can correspond to the work process specification of the activity. A selection is made (step S24). On the other hand, when the first priority model is specified in the activity (“Yes” in step S23), the schedule planning device 10 shifts the processing of step S25 to the specified model without change.
[0059]
Next, the schedule planning device 10 calculates a work time when the activity is assigned to the production facility selected as the assignment target from the operation time setting table T3 and the indirect time setting table T4 (step S25), and then performs the work. Activities are assigned based on time (step S26). In this case, if there is no designation of the first priority model and if a plurality of production facilities are selected as candidates in step S24, the activity is assigned to the production facility that can finish the work earliest among them. If the first-priority model is designated, the activity is assigned to the designated model.
[0060]
Here, the schedule planning device 10 performs a check of the delivery deadline and an overload check of the production equipment with respect to the allocation result (Step S27). As a result, if the delivery schedule is not broken and the load is not applied to the production facility by a predetermined amount or more (“OK” in step S27), the scheduling device 10 determines the allocation result (step S28). The same processing as above is repeated for the activity having the next input priority. On the other hand, when the delivery deadline is caused or a load of a predetermined amount or more is applied to the production equipment (“NG” in step S27), the schedule planning device 10 checks the alternative restriction flag (step S29). The substitution restriction flag is control information for specifying whether or not to permit a substitute production facility, regardless of the designation of the first priority model, and is included in the activity information in advance. If the substitution restriction flag is set (“Yes” in step S29), the schedule planning device 10 determines that substitution is possible, and returns to step S24 to select a substitute production facility. In other words, another production facility is selected for a production facility that satisfies the mechanical constraints.
[0061]
If the substitution restriction flag is not set (“None” in step S29), substitution is not permitted, so the schedule planning apparatus 10 adds the activity to an unallocated area (step S29). S30), take out the next activity. It should be noted that the unassigned activities are left to the judgment of the production manager or the like, for example, by processing using an external production facility or negotiating extension of the delivery date with the customer.
[0062]
In this way, the same processing as described above is repeated for all activities, and a work schedule in a certain process is completed.
[0063]
Returning to the flowchart of FIG. 7, when the schedule for each work process is created by the above-described scheduling process, the schedule planning device 10 prints out the data of the schedule in accordance with the print instruction of the production manager. (Step S16). In addition, the schedule planning device 10 returns the delivery date response of the product to the host computer 11 of the sales representative based on the schedule and notifies the host computer 11 (step S17), and sends the work instruction to the progress record management server 12 of the production site representative. It is sent (step S18). Thereafter, the processes of steps S15 to S18 are repeated for each work process divided in step S14.
[0064]
As described above, according to the present system, scheduling is performed for each work process such as “printing”, “processing”, and “finishing”, and a schedule table in which activities are assigned to the respective production facilities is automatically created. Therefore, it is not necessary for the production manager to create a schedule without breaking the delivery date while taking into consideration the performance of the machine, the stocking status of the material, and the time for replacing the material as in the past. With respect to incoming orders, it is possible to easily obtain a schedule in which these products can be kept within the delivery date, and work can be efficiently performed according to the schedule.
[0065]
In the above embodiment, the host computer 11 is divided into the host computer 11 and the schedule planning device 10 as shown in FIG. 1, and the host computer 11 executes the manufacturing specification register function 10a, order card registration function 10b, and process development function 10c. Although the configuration has been described, a configuration is also possible in which these functions 10a to 10c are provided in the schedule planning device 10 and the schedule planning device 10 executes a series of functions 10a to 10d that realize the present system. In short, the present invention is not limited to the above-described embodiment, and can be variously modified in an implementation stage without departing from the gist thereof.
[0066]
In addition, the method described in the above-described embodiment can be executed on a recording medium such as a magnetic disk (such as a flexible disk or a hard disk), an optical disk (such as a CD-ROM or a DVD), or a semiconductor memory as a program that can be executed by a computer. The program can be written and applied to various devices, or the program itself can be transmitted through a transmission medium such as a network and applied to various devices. A computer that realizes the present apparatus reads a program recorded on a recording medium or a program provided via a transmission medium, and executes the above-described processing by controlling the operation of the program.
[0067]
【The invention's effect】
As described in detail above, according to the first aspect of the present invention, the specification data described in the manufacturing specification of the product and the order data described in the order card of the product are input to each work process of the product. It is possible to create a schedule that assigns work units to each production facility according to the delivery date, so that it is easy to create a schedule that allows these products to be included within the delivery date for products that have been requested to manufacture one after another. And work can be performed efficiently along the schedule.
[0068]
According to the second aspect of the present invention, the production equipment to be allocated is selected based on the constraints set in advance for each production equipment, and the operation time of the production equipment and the indirect time accompanying the work switching are determined. Since the assignment is performed while calculating the work time, the work unit can be assigned to each production facility according to the delivery date. Further, since the production equipment is selected according to the constraint conditions, it is possible to manufacture high-quality products.
[0069]
Further, according to the third aspect of the present invention, when there is a crack that causes a delivery date crack, the work unit is assigned to another production facility, so that an operation table without the delivery date crack is obtained. Can be. Further, since the operation is allocated to another production facility, the operation rate of the production facility increases.
[0070]
According to claim 4 of the present invention, by acquiring the material information, for example, an earliest start schedule is set in consideration of, for example, the storage status of paper and the like, and the earliest start schedule and the final schedule determined by the delivery date are set. The scheduling corresponding to each process can be performed between the steps. As a result, the production of the product can be obtained without wasting the working time and strictly keeping the delivery date.
[0071]
According to claim 5 of the present invention, the created work table can be confirmed by printing it on paper or the like, and a delivery date answer can be returned to a sales representative or the like based on the work table. In addition, a work instruction can be sent to a production site person or the like. This allows the salesperson to clearly indicate the delivery date to the client. Further, it is possible to easily plan manufacturing and sales on the side of the manufacturing client. In addition, the production site personnel can appropriately allocate personnel.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of a schedule planning system according to an embodiment of the present invention.
FIG. 2 is a diagram showing an example of a production process in the schedule planning system.
FIG. 3 is a diagram showing a configuration of an input priority table used for scheduling of the schedule planning system.
FIG. 4 is a diagram showing a configuration of a machine constraint condition table used for scheduling of the schedule planning system.
FIG. 5 is a diagram showing a configuration of an operation time setting table used for scheduling of the schedule planning system.
FIG. 6 is a diagram showing a configuration of an indirect time setting table used for scheduling of the schedule planning system.
FIG. 7 is a flowchart for explaining the processing operation of the schedule planning system.
FIG. 8 is a diagram showing an example of assignment of activities in a printing process of the schedule planning system.
FIG. 9 is a flowchart showing an operation of a scheduling process in the schedule planning system.
FIG. 10 is a diagram showing an example (breakdown / parts information) of a manufacturing specification used in the schedule planning system.
FIG. 11 is a view showing an example (paper / resin information) of a manufacturing specification used in the schedule planning system.
FIG. 12 is a view showing an example (ink / material information) of a manufacturing specification used in the schedule planning system.
FIG. 13 is a diagram showing an example (original plate / printing plate information) of a manufacturing specification used in the schedule planning system.
FIG. 14 is a view showing an example (printing / processing information) of a manufacturing specification used in the schedule planning system.
FIG. 15 is a view showing an example (head information) of an order card used in the schedule planning system.
[Explanation of symbols]
10. Scheduling device
10a: Manufacturing specification registration function
10b… Order card registration function
10c: Process development function
10d: Scheduling function
10e ... Schedule output function
10f… Delivery date answer function
10g… Work instruction function
11 Host computer
12: Progress management server
13. Production equipment
DB: Activity information storage unit
T1: Input priority table
T2: Machine constraint condition table
T3: Operating time setting table
T4: Indirect time setting table

Claims (7)

A specification data reading means for reading specification data described in a product manufacturing specification,
Order data reading means for reading order data described in the order card of the product,
A process developing unit that determines a work process of the product based on the specification data read by the specification data reading unit, and divides the process for each process;
Scheduling means for creating a schedule in which work units are allocated to each production facility in accordance with the delivery date specified by the order data read by the order data reading means for each step divided by the process developing means. A scheduling system characterized by the following: A specification data reading means for reading specification data described in a product manufacturing specification,
Order data reading means for reading order data described in the order card of the product,
A process developing unit that determines a work process of the product based on the specification data read by the specification data reading unit, and divides the process for each process;
A machine constraint condition table in which constraint conditions indicating process specifications that can be produced for each production facility are set,
An operation time setting table in which the operation time of each production facility is set,
An indirect time setting table in which indirect times associated with work switching of each production facility are set,
The production equipment to be allocated is selected by referring to the machine constraint table for each process divided by the process development means, and the production equipment is referred to by referring to the operation time setting table and the indirect time setting table. A scheduling means for calculating a work time when the work units are allocated, and creating a schedule in which the work units are allocated to the respective production facilities in accordance with the delivery date specified by the order data read by the order data reading means; A scheduling system characterized by comprising: The scheduling means determines whether or not delivery is broken when a work unit is allocated to the production facility.If the delivery is broken, the work unit is referred to another production facility by referring to the machine constraint condition table. 3. The scheduling system according to claim 2, wherein the schedule is allocated. A material information acquiring unit for acquiring material information,
2. The method according to claim 1, wherein the scheduling means performs scheduling corresponding to each process between an earliest start schedule determined by the material information obtained by the material information obtaining means and a final schedule determined by the delivery date. Item 2. The scheduling system according to Item 2. Work table output means for outputting the work table created by the scheduling means,
Delivery date answering means for answering the delivery date based on the work table;
3. The schedule planning system according to claim 1, further comprising: a work instruction means for performing a work instruction based on the work table. Reading specification data described in the product manufacturing specification;
Reading order data described on a product order card;
Determining a work process of the product based on the specification data, and dividing the process for each process;
Creating a schedule in which work units are assigned to each production facility in accordance with the delivery date specified in the order data for each of the divided processes. A machine constraint table in which constraints indicating process specifications that can be produced for each production facility are set, an operation time setting table in which the operation time of each production facility is set, and an indirect time associated with work switching of each production facility Is a scheduling plan creation method used for a computer having an indirect time setting table set therein,
Reading specification data described in the product manufacturing specification;
Reading order data described on a product order card;
Determining a work process of the product based on the specification data, and dividing the process for each process;
The production equipment to be assigned is selected by referring to the machine constraint condition table for each of the divided processes, and a work unit is assigned to the production equipment by referring to the operation time setting table and the indirect time setting table. Creating a schedule in which work units are assigned to each production facility according to the delivery date specified in the order data, while calculating the work time in the case where the order is received.

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