WO2010079589A1 - 受注生産工程決定装置、プログラム、受注生産工程決定システム及び受注生産工程決定方法 - Google Patents
受注生産工程決定装置、プログラム、受注生産工程決定システム及び受注生産工程決定方法 Download PDFInfo
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- WO2010079589A1 WO2010079589A1 PCT/JP2009/050057 JP2009050057W WO2010079589A1 WO 2010079589 A1 WO2010079589 A1 WO 2010079589A1 JP 2009050057 W JP2009050057 W JP 2009050057W WO 2010079589 A1 WO2010079589 A1 WO 2010079589A1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 claims abstract description 458
- 238000012545 processing Methods 0.000 claims description 91
- 238000003860 storage Methods 0.000 claims description 38
- 238000011143 downstream manufacturing Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 239000000047 product Substances 0.000 description 184
- 238000004364 calculation method Methods 0.000 description 28
- 238000010586 diagram Methods 0.000 description 25
- YTAHJIFKAKIKAV-XNMGPUDCSA-N [(1R)-3-morpholin-4-yl-1-phenylpropyl] N-[(3S)-2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl]carbamate Chemical compound O=C1[C@H](N=C(C2=C(N1)C=CC=C2)C1=CC=CC=C1)NC(O[C@H](CCN1CCOCC1)C1=CC=CC=C1)=O YTAHJIFKAKIKAV-XNMGPUDCSA-N 0.000 description 11
- 239000013067 intermediate product Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 9
- 230000004044 response Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31389—Pull type, client order decides manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to a technique for selecting a process for manufacturing after receiving an order for a product from a process flow for specifying the order of processes for manufacturing the product.
- the manufacturing lead time and the customer's allowable lead time are considered to vary depending on the product, so the selection of the order production process varies depending on the product.
- Patent Document 1 one point (coupling point) where the required lead time and the supply lead time are balanced for each product from among the places where the stock can be held from the raw material base to the customer.
- the process downstream from the coupling point is a process of producing according to the order.
- the order-made process is determined depending on the predetermined lead time, so that it may be impossible to execute in terms of processing capacity.
- an object of the present invention is to provide a technique capable of determining a build-to-order manufacturing process in consideration of the scale of demand.
- the present invention is a build-to-order manufacturing process determination device that selects a process for manufacturing after receiving an order for a product from a process flow for specifying a process order for manufacturing the product, and orders the product for each product.
- a storage unit for storing demand master information for specifying an allowable delivery lead time allowed by a customer as a period from delivery to delivery, process network information for specifying a movement time of an item between processes, a control unit,
- the control unit has a lead time for each process that is proportional to the time required to process the number of items required to produce the demand for the product that is regularly ordered for each process of manufacturing the product.
- FIG. 1 is a schematic diagram of a build-to-order manufacturing process determination apparatus 100 according to an embodiment of the present invention.
- the build-to-order manufacturing process determination apparatus 100 includes a storage unit 110, a control unit 120, an input unit 130, an output unit 140, and a communication unit 150.
- the demand master information table 111a has a product column 111b, a demand speed column 111c, and an allowable delivery lead time column 111d.
- the product column 111b stores information for identifying each product.
- a product ID which is identification information for uniquely identifying each product, is stored as information for specifying the product.
- the demand speed column 111c stores information for specifying a demand speed that is a demand amount per unit time of the product specified in the product column 111b.
- the unit time is “day”, but the present invention is not limited to such a mode.
- the permissible delivery lead time column 111d stores information for specifying a delivery lead time (lead time from ordering to delivery) allowed for the product specified in the product column 111b.
- the part configuration table information storage area 112 stores, for each product, part configuration table information that specifies the number of items constituting the product.
- a component configuration table information table 112a as shown in FIG. 3 (schematic diagram of the component configuration table information table 112a) is stored.
- the parts configuration table information table 112a has a product column 112b, an item column 112c, and a basic unit number column 112d.
- the item column 112c information for specifying items constituting the product specified in the product column 112b is stored.
- the item name is stored as information for specifying the item.
- part configuration table information table 112a can be obtained from data generally called BOM (Bill Of Materials). Further, the BOM data itself may be referred to instead of the parts configuration table information table 112a.
- the item and process master information necessary for calculating the item-by-item process lead time and the item-by-item process speed to be described later are stored for each item and process.
- an item and process master information table 113a as shown in FIG. 4 (schematic diagram of the item and process master information table 113a) is stored.
- the item and process master information table 113a includes a product column 113b, an item column 113c, a process column 113d, a batch size column 113e, a cycle time column 113f, a manufacturing share column 113g, a processing time column 113h, and a lead time. It has a column 113i and a processing speed column 113j.
- the product column 113b stores information for identifying each product.
- a product ID which is identification information for uniquely identifying each product, is stored as information for specifying the product.
- the process column 113d stores information for specifying a process for processing the item specified in the item column 113c and used for the product specified in the product column 113b.
- a process ID which is identification information for uniquely identifying each process, is stored as information for specifying a process.
- the batch size column 113e stores information for specifying the number (batch size) at which the item specified in the item column 113c is processed at a time in the step specified in the step column 113d.
- the manufacturing share column 113g information for specifying the ratio of the item specified in the item column 113c processed in the process specified in the process column 113d used for the product specified in the product column 113b is stored. .
- the processing time column 113h stores information for specifying a processing time, which is a time required for processing for one batch size of the item specified in the item column 113c in the step specified in the step column 113d.
- lead time column 113i information for specifying a lead time for each process for each item when the item specified in the item column 113c is processed in the process specified in the step column 113d is stored. Note that the lead time for each item process is calculated by a lead time calculation unit 122 described later.
- processing speed column 113j information for specifying the processing speed for each process when the item specified in the item column 113c is processed in the process specified in the process column 113d is stored. Note that the processing speed for each item process is calculated by a processing speed calculation unit 123 described later.
- the process network information table 114a includes a From process column 114b, a To process column 114c, and a movement time column "114d".
- a process ID which is identification information for uniquely identifying each process, is stored as information for specifying a process.
- the overall control unit 121 controls the entire processing in the order production process determination device 100.
- the overall control unit 121 performs a process of accepting input of information specifying a product for which a process for selecting a build-to-order manufacturing process is performed via the input unit 130.
- the lead time calculation unit 122 includes a parts configuration table information table 112a, an item and a process master for each item that constitutes a product that has been input by the overall control unit 121 and for each process for manufacturing the product.
- the information table 113a acquires more necessary information, and calculates the lead time for each process using the following equation (1).
- the order production process determination device 100 can determine the executable order production process by reflecting the demand rate in the calculation of the lead time and taking into account the relationship between the demand rate and the processing speed. To do.
- the input unit 130 receives input of information.
- the communication unit 150 transmits and receives information via the network.
- the order production process determination device 100 described above is an external device such as a CPU (Central Processing Unit) 901, a memory 902, and an HDD (Hard Disk Drive) as shown in FIG. 6 (schematic diagram of the computer 900).
- a general computer 900 including an output device 907 and a communication device 908 such as a NIC (Network Interface Card) for connecting to a communication network.
- NIC Network Interface Card
- the predetermined program is downloaded from the storage medium 904 via the reading device 905 or from the network via the communication device 908 to the external storage device 903, and then loaded onto the memory 902 and executed by the CPU 901. You may do it. Alternatively, the program may be directly loaded on the memory 902 from the storage medium 904 via the reading device 905 or from the network via the communication device 908 and executed by the CPU 901.
- FIG. 7 is a flowchart showing processing performed by the build-to-order manufacturing process determination apparatus 100.
- step S10 information specifying the product p and the product q is input in step S10.
- the product p as shown in FIG. 8 (schematic diagram showing the configuration of the product p and the product q)
- an intermediate product a (unit number 1) is generated from the part x (unit number 1)
- an intermediate product b (basic unit number 1) is generated from the part y (basic unit number 1)
- a product p is generated from the intermediate product a and the intermediate product b.
- the intermediate product b is generated from the component y
- the product q is generated from the intermediate product b.
- the manufacturing process of the product p and the product q is intermediate between the process j 1 for generating the part x and the part y and the part x.
- Step j 2 for generating product a
- Step j 3 for generating intermediate product b from component y
- Step j 4 for generating product p from intermediate product a and intermediate product b
- Product q from intermediate product b and step j 5 which includes a step j 6 to finish the product p, a step j 7 to finish the product q, comprising a step j 1 and step j 3 has a step common to the products p and product q .
- the lead time calculation unit 122 of the build-to-order manufacturing process determination apparatus 100 calculates a lead time for each item process (S11).
- the lead time calculation unit 122 specifies and specifies a record in which information specifying the product p and the product q received in step S10 is stored in the product column 113b of the item and process master information table 113a. From the record, the batch size, cycle time, and processing time in each process of the items constituting the product p and the product q are specified.
- the lead time calculation unit 122 calculates the lead time for each process calculated in this way, the item corresponding to the calculated product, the item, and the process, and the record time field of the process master information table 113a. 113i is stored.
- FIG. 10 (schematic diagram showing the correspondence between the lead time for each item of the product p and the process)
- FIG. 11 Schematic diagram showing the correspondence between the lead time for each item of the product q and the process
- the example of the lead time according to process for every item which the lead time calculation part 122 calculated is shown.
- the processing speed calculation unit 123 of the build-to-order manufacturing process determination apparatus 100 calculates the processing speed for each process (S12).
- the processing speed calculation unit 123 specifies a record in which information for specifying the product p and the product q received in step S10 is stored in the product column 112b of the part configuration table information table 112a. From this, information for specifying the items that respectively constitute the product p and the product q and information for specifying the number of basic units of each of the items are acquired.
- the processing speed calculation unit 123 specifies and specifies a record in which information specifying the product p and the product q received in step S10 is stored in the product column 113b of the item and process master information table 113a. From the record, the batch size, the cycle time, and the manufacturing share in each process of the items constituting the product p and the product q are specified.
- the lead time calculation unit 122 substitutes the information acquired as described above into the expression (2) for each process in each item constituting each product, thereby processing speed for each process for each item. Is calculated.
- the processing speed calculation unit 123 sets the processing speed for each item calculated in this way as the processing speed column of the record of the product, the item corresponding to the calculation target, the item corresponding to the process, and the process master information table 113a. 113j.
- FIG. 12 (schematic diagram showing the correspondence between the process speed for each item of the product p and the process) and FIG. The example of the processing speed according to process for every item which the processing speed calculation part 123 calculated is shown.
- the build-to-order production process selection unit 124 of the build-to-order production process determination apparatus 100 performs a process of selecting a build-to-order production process (S13). Note that the process for selecting the build-to-order manufacturing process in step S13 will be described in detail with reference to FIG.
- FIG. 14 is a flowchart showing a process for selecting a build-to-order manufacturing process.
- the build-to-order production process selection unit 124 extracts candidates for a build-to-order production process from the lead time for each process calculated in step S11 in FIG. 7 (S20).
- the build-to-order manufacturing process selection unit 124 specifies a record in which information specifying the product p and the product q received in step S10 in FIG. 7 is stored in the product column 113b from the item and process master information table 113. Then, the process ID stored in the process column 113d of the specified record is extracted for each product, and the extracted process ID is searched from the From process column 114b and the To process column 114c of the process network information table 114a.
- the process flow is specified by repeating the process of specifying the link between the previous process and the subsequent process for each product so that all the process IDs extracted for each product are connected.
- the above-described BOM information and information specifying the parent-child relationship between parts are stored in the storage unit 110 so that the information can be referred to. It is also possible to keep it. Further, the process flow of each product may be stored in the storage unit 110 in advance.
- the build-to-order manufacturing process selection unit 124 extracts the value of the lead time by process for each item corresponding to the product and process from the lead time column 113i of the item and process master information table 113a in the specified process flow for each product. Further, the movement time between each process is extracted from the movement time column 114d of the process network information table 114a, and these extracted values are transferred from the most downstream process to the upstream process in the process flow for each product. The lead time by process for each item and the movement time between processes are sequentially accumulated (total), and the allowable delivery lead time of the product stored in the allowable delivery lead time column 111d of the demand master information table 111a is not exceeded. The process is selected as a build-to-order production process candidate for the product.
- FIG. 15 (schematic diagram showing an example of selecting a process that satisfies the allowable lead time of the product p) shows an example of selecting a process that satisfies the allowable lead time of the product p.
- the build-to-order manufacturing process selection unit 124 confirms the allowable delivery lead time of bookbinding p in the demand master information table 111d and specifies that the value of the allowable delivery lead time is 10 days.
- the build-to-order manufacturing process selection unit 124 then proceeds to the upstream process in order from the most downstream process j 6 (j 6 ⁇ j 4 ⁇ j 2 ⁇ j 1 , j 6 ⁇ j 4 ⁇ j 3 ⁇ j 1 ), the lead time by process for each item of each process and the movement time between each process are specified from the part and process master information table 113a and the process network information table 114a and added to each. Then, a process is specified in which the added value obtained by adding from the most downstream to the upstream becomes the allowable delivery lead time “10 days” or less for the product p. In the example of FIG.
- FIG. 16 (schematic diagram showing an example of selecting a process that satisfies the allowable lead time of the product q) shows an example of selecting a process that satisfies the allowable lead time of the product p.
- the build-to-order manufacturing process selection unit 124 confirms the allowable delivery lead time of bookbinding q in the demand master information table 111d, and specifies that the value of the allowable delivery lead time is 7 days.
- the build-to-order production process selection unit 124 proceeds to the upstream process in order from the most downstream process j 7 in the process flow of the product q (J 7 ⁇ J 5 ⁇ J 3 ⁇ J 1 ).
- the lead time for each process and the movement time between each process are specified from the part and process master information table 113a and the process network information table 114a, and added to each other, and from the most downstream to the upstream.
- the process in which the added value obtained by adding is less than or equal to the product q allowable delivery lead time “7 days” is specified.
- Step J 3 subsequent steps is identified as a step of a less acceptable delivery lead time.
- the build-to-order production process selection unit 124 extracts candidates for a build-to-order production process from the processing speed for each process calculated in step S12 in FIG. 7 (S21).
- the build-to-order manufacturing process selection unit 124 in the process flow for each product specified in step S21, sets the value of the process speed for each item corresponding to the product and process to the process speed column 113j of the item and process master information table 113a.
- the demand speed value for each product identified in step S21 is identified from the demand master information table 111.
- the build-to-order manufacturing process selection unit 124 selects the processes after the process following the process in which the extracted processing speed value for each item is lower than the demand speed value of the product as candidates for the build-to-order manufacturing process.
- FIG. 17 (schematic diagram showing a selection example of the process after the process subsequent to the process that does not satisfy the demand speed of the product p) shows an example of selection of the process after the process that does not satisfy the demand speed of the product p. Indicates.
- the build-to-order manufacturing process selection unit 124 confirms the demand rate of the product p in the demand master information table 111d and specifies that the value of the demand rate is 100 pieces / day.
- the build-to-order manufacturing process selection unit 124 specifies the processing speed value of each process included in the process flow of the product p from the processing speed column 113j of the part and process master information table 113a, and determines the demand speed of the product p. Identify processes with lower processing speed.
- FIG. 18 (schematic diagram showing an example of selection of processes subsequent to the process that does not satisfy the demand rate of the product q) shows an example of selection of processes subsequent to the process that does not satisfy the demand rate of the product q. Show.
- the build-to-order manufacturing process selection unit 124 confirms the demand rate of the product q in the demand master information table 111d and specifies that the value of the demand rate is 70 pieces / day.
- the build-to-order manufacturing process selection unit 124 specifies the processing speed value of each process included in the process flow of the product q from the processing speed column 113j of the part and process master information table 113a, and determines the demand speed of the product q. Identify processes with lower processing speed.
- the processing speed of the step j 5 is at 65 / day, below the demand rate of the product q.
- the build-to-order production process selection unit 124 selects the processes after the process j 7 that is the next process after the process j 5 as candidates for the build-to-order production process in the process flow of the product q.
- the build-to-order production process selection unit 124 selects the candidate extracted in step S21 and also extracted in step S22 as the build-to-order production process (S22). If the product does not have a process speed process that does not satisfy the demand speed of the product in step S22, the candidate extracted in step S21 is selected as a build-to-order production process.
- the build-to-order manufacturing process selection unit 124 includes, in the candidates extracted in step S21, a process next to a process with a processing speed that does not satisfy the demand speed of the product (the most downstream process when there are a plurality of processes). In this case, the process after the next process is selected as a build-to-order manufacturing process.
- step S20 (schematic diagram showing a made-to-order manufacturing process selected for product q)
- process j 3 , process j 5 and process j 7 are candidates in step S20, and step S21.
- step j 7 is these common parts is selected as the MTO process.
- the build-to-order manufacturing process selected as described above can be executed both in terms of the relationship between the allowable delivery lead time and the supply lead time, and the relationship between the demand speed and the processing speed. However, it will be possible to carry out without delaying the delivery date.
- step S ⁇ b> 14 the display processing unit 125 performs a process of setting the information for specifying the order manufacturing process selected by the order manufacturing process selecting unit 124 to a predetermined display screen and outputting the information to the output unit 140. Do.
- the display screen to be output to the output unit 140 displays all the processes included in the process flow of each product as a diagram, and the order production process selection unit.
- the selected order manufacturing process can be specified by performing a display process such as adding a specific color to the diagram displaying the order manufacturing process selected in 124 or performing a specific painting.
- the value of the lead time for each item process is displayed at a position close to the diagram of the corresponding process, or in FIGS. As shown, it is also possible to display the value of the processing speed for each item process at a position close to the corresponding process diagram (both of them can be displayed). .
- FIG. 21 (schematic diagram of the display screen 160)
- an overview of the process and place to be performed in each process (assuming these are stored in the storage unit 110) is displayed on the diagram of each process. You may enable it to identify the process included in a build-to-order manufacturing process, and the process included in prospective production processes other than a build-to-order manufacturing process using a specific symbol (arrow in FIG. 21).
- all processes are performed by the build-to-order manufacturing process determination apparatus 100.
- the present invention is not limited to such a mode, and, for example, information can be transmitted and received mutually via a network. It is also possible to configure a build-to-order production process determination system with a plurality of devices, and to perform the processing performed by the build-to-order production process determination apparatus 100 in a distributed manner. In particular, as for information stored in the storage unit 110, it is possible to acquire information stored in another storage device via a network.
- the lead time for each process in the item (1) is calculated.
- the present invention is not limited to such a mode.
- the preparation in each step in (1) Such specific time may be added as the correction time.
- the order production process is selected, but the present invention is not limited to this mode.
- the order production process candidate based on the lead time specified in step S22 in FIG. 14 and the processing speed specified in step S21 are used. Any one of the candidates for the build-to-order production process according to the above may be selected as the build-to-order production process.
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Description
110 記憶部
111 需要マスタ情報記憶領域
112 部品構成表情報記憶領域
113 品目及び工程マスタ情報記憶領域
114 工程ネットワーク情報記憶領域
120 制御部
121 全体制御部
122 リードタイム計算部
123 処理速度計算部
124 受注生産工程選択部
125 表示処理部
130 入力部
140 出力部
150 通信部
Claims (13)
- 製品を製造する工程の順番を特定する工程フローの中から、製品の受注後に製造を行う工程を選択する受注生産工程決定装置であって、
製品毎に、当該製品を発注してから納入するまでの期間として顧客が許容する許容納入リードタイムを特定する需要マスタ情報と、
工程間の品目の移動時間を特定する工程ネットワーク情報と、
を記憶する記憶部と、制御部と、を備え、
前記制御部は、
製品を製造する工程毎に、定期的に受注する製品の需要量を生産するために必要とされる数の品目を処理する時間に比例する工程別リードタイムを算出する処理と、
一の工程に対応して算出された工程別リードタイムと、前記工程ネットワーク情報より特定された、当該一の工程及び当該一の工程の前の工程の間の移動時間と、を前記工程フローの最下流の工程から上流の工程に向かって順次加算した加算値を算出し、算出した加算値が、前記需要マスタ情報で特定される許容リードタイム以下となる前記一の工程を特定する処理と、
前記工程フローの内、特定した前記一の工程以降の工程を前記受注生産工程として選択する処理と、を行うこと、
を特徴とする受注生産工程決定装置。 - 請求項1に記載の受注生産工程決定装置であって、
前記記憶部には、
製品毎に、当該製品を構成する品目、および、当該製品を構成する当該品目の構成数、を特定する部品構成表情報と、
製品、当該製品を構成する品目及び当該品目を処理する工程毎に、当該品目を当該工程で一回に処理する数であるバッチサイズ、当該工程で一回の処理の時間間隔であるサイクルタイム、および、当該工程で一回の処理にかかる処理時間、を特定する品目及び工程マスタ情報と、が記憶されており、
前記需要マスタ情報には、製品毎に、当該製品を単位時間において定期的に受注する需要量である需要速度を特定する情報が含まれており、
前記制御部は、前記工程別リードタイムとして、前記需要速度に前記構成数を乗算した値を前記バッチサイズで除算して、前記サイクルタイムを乗算した値に前記処理時間を加算した値を算出すること、
を特徴とする受注生産工程決定装置。 - 請求項1に記載の受注生産工程決定装置であって、
前記需要マスタ情報には、製品毎に、当該製品を単位時間において定期的に受注する需要量である需要速度を特定する情報が含まれており、
前記制御部は、
製品を製造する工程毎に、単位時間に処理される品目の数のうち、当該製品の製造に使用される割合に対応する数に比例する工程別処理速度を算出する処理と、
前記工程別処理速度が、前記需要速度を下回る工程を特定する処理と、
前記工程フローの内、特定した前記一の工程以降の工程に、前記需要速度を下回る工程の次の工程が含まれる場合には、当該次の工程以降の工程を前記受注生産工程として選択する処理と、を行うこと、
を特徴とする受注生産工程決定装置。 - 請求項3に記載の受注生産工程決定装置であって、
前記記憶部には、
製品毎に、当該製品を構成する品目、および、当該製品を構成する当該品目の構成数、を特定する部品構成表情報と、
製品、当該製品を構成する品目及び当該品目を処理する工程毎に、当該品目を当該工程で一回に処理する数であるバッチサイズ、当該工程で一回の処理にかかる時間であるサイクルタイム、当該工程で処理される品目のうち当該製品に用いられる製造割合、を特定する品目及び工程マスタ情報と、が記憶されており、
前記制御部は、前記工程別処理速度として、前記バッチサイズを前記サイクルタイムで除算した値に前記製造割合を乗算して、前記構成数で除算した値を算出すること、
を特徴とする受注生産工程決定装置。 - コンピュータを、製品を製造する工程の順番を特定する工程フローの中から、製品の受注後に製造を行う工程を選択する受注生産工程決定装置として機能させるプログラムであって、
前記コンピュータを、
製品毎に、当該製品を発注してから納入するまでの期間として顧客が許容する許容納入リードタイムを特定する需要マスタ情報と、
工程間の品目の移動時間を特定する工程ネットワーク情報と、
を記憶する記憶手段、制御手段、として機能させ、
前記制御手段に、
製品を製造する工程毎に、定期的に受注する製品の需要量を生産するために必要とされる数の品目を処理する時間に比例する工程別リードタイムを算出する処理と、
一の工程に対応して算出された工程別リードタイムと、前記工程ネットワーク情報より特定された、当該一の工程及び当該一の工程の前の工程の間の移動時間と、を前記工程フローの最下流の工程から上流の工程に向かって順次加算した加算値を算出し、算出した加算値が、前記需要マスタ情報で特定される許容リードタイム以下となる前記一の工程を特定する処理と、
前記工程フローの内、特定した前記一の工程以降の工程を前記受注生産工程として選択する処理と、を行わせること、
を特徴とするプログラム。 - 請求項5に記載のプログラムであって、
前記記憶手段には、
製品毎に、当該製品を構成する品目、および、当該製品を構成する当該品目の構成数、を特定する部品構成表情報と、
製品、当該製品を構成する品目及び当該品目を処理する工程毎に、当該品目を当該工程で一回に処理する数であるバッチサイズ、当該工程で一回の処理の時間間隔であるサイクルタイム、および、当該工程で一回の処理にかかる処理時間、を特定する品目及び工程マスタ情報と、が記憶されており、
前記需要マスタ情報には、製品毎に、当該製品を単位時間において定期的に受注する需要量である需要速度を特定する情報が含まれており、
前記制御手段に、前記工程別リードタイムとして、前記需要速度に前記構成数を乗算した値を前記バッチサイズで除算して、前記サイクルタイムを乗算した値に前記処理時間を加算した値を算出させること、
を特徴とするプログラム。 - 請求項5に記載のプログラムであって、
前記需要マスタ情報には、製品毎に、当該製品を単位時間において定期的に受注する需要量である需要速度を特定する情報が含まれており、
前記制御手段に、
製品を製造する工程毎に、単位時間に処理される品目の数のうち、当該製品の製造に使用される割合に対応する数に比例する工程別処理速度を算出する処理と、
前記工程別処理速度が、前記需要速度を下回る工程を特定する処理と、
前記工程フローの内、特定した前記一の工程以降の工程に、前記需要速度を下回る工程の次の工程が含まれる場合には、当該次の工程以降の工程を前記受注生産工程として選択する処理と、を行わせること、
を特徴とするプログラム。 - 請求項7に記載のプログラムであって、
前記記憶手段には、
製品毎に、当該製品を構成する品目、および、当該製品を構成する当該品目の構成数、を特定する部品構成表情報と、
製品、当該製品を構成する品目及び当該品目を処理する工程毎に、当該品目を当該工程で一回に処理する数であるバッチサイズ、当該工程で一回の処理にかかる時間であるサイクルタイム、当該工程で処理される品目のうち当該製品に用いられる製造割合、を特定する品目及び工程マスタ情報と、が記憶されており、
前記制御手段に、前記工程別処理速度として、前記バッチサイズを前記サイクルタイムで除算した値に前記製造割合を乗算して、前記構成数で除算した値を算出させること、
を特徴とするプログラム。 - 製品を製造する工程の順番を特定する工程フローの中から、製品の受注後に製造を行う工程を選択する受注生産工程決定システムであって、
製品毎に、当該製品を発注してから納入するまでの期間として顧客が許容する許容納入リードタイムを特定する需要マスタ情報と、
工程間の品目の移動時間を特定する工程ネットワーク情報と、
を記憶する記憶部と、制御部と、を備え、
前記制御部は、
製品を製造する工程毎に、定期的に受注する製品の需要量を生産するために必要とされる数の品目を処理する時間に比例する工程別リードタイムを算出する処理と、
一の工程に対応して算出された工程別リードタイムと、前記工程ネットワーク情報より特定された、当該一の工程及び当該一の工程の前の工程の間の移動時間と、を前記工程フローの最下流の工程から上流の工程に向かって順次加算した加算値を算出し、算出した加算値が、前記需要マスタ情報で特定される許容リードタイム以下となる前記一の工程を特定する処理と、
前記工程フローの内、特定した前記一の工程以降の工程を前記受注生産工程として選択する処理と、を行うこと、
を特徴とする受注生産工程決定システム。 - 請求項9に記載の受注生産工程決定システムであって、
前記記憶部には、
製品毎に、当該製品を構成する品目、および、当該製品を構成する当該品目の構成数、を特定する部品構成表情報と、
製品、当該製品を構成する品目及び当該品目を処理する工程毎に、当該品目を当該工程で一回に処理する数であるバッチサイズ、当該工程で一回の処理の時間間隔であるサイクルタイム、および、当該工程で一回の処理にかかる処理時間、を特定する品目及び工程マスタ情報と、が記憶されており、
前記需要マスタ情報には、製品毎に、当該製品を単位時間において定期的に受注する需要量である需要速度を特定する情報が含まれており、
前記制御部は、前記工程別リードタイムとして、前記需要速度に前記構成数を乗算した値を前記バッチサイズで除算して、前記サイクルタイムを乗算した値に前記処理時間を加算した値を算出すること、
を特徴とする受注生産工程決定システム。 - 請求項9に記載の受注生産工程決定システムであって、
前記需要マスタ情報には、製品毎に、当該製品を単位時間において定期的に受注する需要量である需要速度を特定する情報が含まれており、
前記制御部は、
製品を製造する工程毎に、単位時間に処理される品目の数のうち、当該製品の製造に使用される割合に対応する数に比例する工程別処理速度を算出する処理と、
前記工程別処理速度が、前記需要速度を下回る工程を特定する処理と、
前記工程フローの内、特定した前記一の工程以降の工程に、前記需要速度を下回る工程の次の工程が含まれる場合には、当該次の工程以降の工程を前記受注生産工程として選択する処理と、を行うこと、
を特徴とする受注生産工程決定システム。 - 請求項11に記載の受注生産工程決定システムであって、
前記記憶部には、
製品毎に、当該製品を構成する品目、および、当該製品を構成する当該品目の構成数、を特定する部品構成表情報と、
製品、当該製品を構成する品目及び当該品目を処理する工程毎に、当該品目を当該工程で一回に処理する数であるバッチサイズ、当該工程で一回の処理にかかる時間であるサイクルタイム、当該工程で処理される品目のうち当該製品に用いられる製造割合、を特定する品目及び工程マスタ情報と、が記憶されており、
前記制御部は、前記工程別処理速度として、前記バッチサイズを前記サイクルタイムで除算した値に前記製造割合を乗算して、前記構成数で除算した値を算出すること、
を特徴とする受注生産工程決定システム。 - 製品毎に、当該製品を発注してから納入するまでの期間として顧客が許容する許容納入リードタイムを特定する需要マスタ情報と、
工程間の品目の移動時間を特定する工程ネットワーク情報と、
を記憶する記憶部と、制御部と、を備える受注生産工程装置が、製品を製造する工程の順番を特定する工程フローの中から、製品の受注後に製造を行う工程を選択する受注生産工程決定方法であって、
前記制御部が、製品を製造する工程毎に、定期的に受注する製品の需要量を生産するために必要とされる数の品目を処理する時間に比例する工程別リードタイムを算出する処理を行う過程と、
前記制御部が、一の工程に対応して算出された工程別リードタイムと、前記工程ネットワーク情報より特定された、当該一の工程及び当該一の工程の前の工程の間の移動時間と、を前記工程フローの最下流の工程から上流の工程に向かって順次加算した加算値を算出し、算出した加算値が、前記需要マスタ情報で特定される許容リードタイム以下となる前記一の工程を特定する処理を行う過程と、
前記制御部が、前記工程フローの内、特定した前記一の工程以降の工程を前記受注生産工程として選択する処理を行う過程と、を有すること、
を特徴とする受注生産工程決定方法。
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