WO2015019500A1 - 複数の生産ラインを有する電子部品装着システムの管理方法及び管理装置 - Google Patents
複数の生産ラインを有する電子部品装着システムの管理方法及び管理装置 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 234
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000007726 management method Methods 0.000 claims description 67
- 238000004364 calculation method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06311—Scheduling, planning or task assignment for a person or group
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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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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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
- G05B2219/32—Operator till task planning
- G05B2219/32313—Shortest remaining processing time
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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]
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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
- Y02P90/30—Computing systems specially adapted for manufacturing
Definitions
- This specification relates to a management method and a management apparatus for an electronic component mounting system having a plurality of production lines.
- An electronic component mounting system having a plurality of production lines is managed by a production sequence plan in which it is assigned in which production line each of a plurality of job groups is performed.
- Japanese Patent Laid-Open No. 2001-337712 discloses a management method for assigning priority information to a specific job group based on the experience and know-how of a person who creates a production sequence plan when allocating job groups having the same production delivery date to a production line Is disclosed.
- job groups to which priority information is assigned are preferentially assigned to production lines.
- job groups to which priority information is assigned are preferentially assigned, so the production order of job groups to which priority information is not given is delayed. For this reason, a job group with a long production time may remain among job groups with a slow production order. In this case, it becomes difficult to make the production end time of the production line uniform among a plurality of production lines. Such non-uniform production end time among the plurality of production lines reduces the production efficiency of the electronic component mounting system.
- the management method disclosed in this specification is applied to an electronic component mounting system having a plurality of production lines.
- the management method disclosed in the present specification includes preferentially allocating a job group having the latest scheduled end time among a plurality of job groups to one of the plurality of production lines. If a job group having a late scheduled end time, that is, a long time required for mounting work is preferentially allocated to the production line, a job group having a short time required for mounting work remains as the allocation work proceeds. A job group with a short time required for the mounting operation can finely adjust the production end time of the production line. For this reason, the management method disclosed in this specification can make the production end times between a plurality of production lines uniform.
- the management device disclosed in this specification is applied to an electronic component mounting system having a plurality of production lines.
- the management apparatus disclosed in this specification includes an allocation apparatus that preferentially allocates a job group having the latest scheduled end time to one of the plurality of production lines among the plurality of job groups. If the allocation apparatus preferentially allocates job groups with a late scheduled end time, that is, a long time required for mounting work, to the production line, job groups with short time required for mounting work remain as the allocation work proceeds.
- the allocating device can finely adjust the production end time of the production line using a job group having a short time required for the mounting operation. For this reason, the management apparatus disclosed in this specification can make the production end times between a plurality of production lines uniform.
- the structure of an electronic component mounting system is shown.
- the structure of the management apparatus which a host computer has is shown.
- the flowchart which concerns on the 1st allocation method which produces production order plan data is shown.
- the table showing the plan end time data created by the 1st allocation method is shown.
- the state of updating the table of scheduled end time data is shown.
- the state of the production order of a plurality of job groups assigned to a plurality of production lines is schematically shown.
- the flowchart which concerns on the 2nd allocation method which produces production sequence plan data is shown.
- the table showing the plan end time data created by the 2nd method is shown.
- the electronic component mounting system disclosed in this specification has a plurality of production lines.
- each of the production lines is configured to convey a printed board and mount a plurality of electronic components on the printed board.
- each production line may include a mounting-related machine including a solder printer, a plurality of electronic component mounting machines, a board appearance inspection machine, a reflow furnace, and the like.
- the type, number and arrangement order of the mounting related machines constituting the production line may be the same or different between the plurality of production lines.
- the type, number, and arrangement order of the mounting-related machines constituting the production line are important in the processing capacity of the work in which the production line mounts a plurality of electronic components on the printed circuit board.
- the job is a command including production conditions for the production item and the number of production, and may include other production conditions (for example, production delivery date) as necessary.
- a job group refers to a set of jobs including at least one such job.
- job “A” and job “B” may form a job group.
- the management method disclosed in this specification includes preferentially assigning a job group having the latest scheduled end time to one of the plurality of production lines among the plurality of job groups.
- the management method disclosed in the present specification specifies a job group end scheduled time for the highest priority production line for each job group, and is the latest scheduled end time specified for each job group. Allocating the job group relating to the end time to the highest priority production line.
- the highest priority production line may be a production line selected for each job group or a production line selected in common for all job groups.
- the highest priority production line selected for each job group may be a production line whose scheduled end time is earlier than any of the other production lines when the target job group is assigned to the production line. .
- the highest priority production line selected in common for all job groups may be a production line with a scheduled start time earlier than any of the other production lines.
- Such a top-priority production line is different every time one job group of a plurality of job groups is assigned. For this reason, the management method prevents job groups from being assigned to only one production line by assigning job groups to the highest priority production lines, and assigns multiple job groups in a balanced manner among multiple production lines. be able to.
- the allocation specifies (1) a scheduled end time for all combinations of an unallocated job group and a plurality of production lines among a plurality of job groups.
- the job group relating to the latest scheduled end time among the earliest scheduled end times specified for each group may be assigned to the production line.
- the highest priority production line can be specified for each job group by executing the steps (1) and (2).
- step (3) it is possible to preferentially assign a job group having a long time required for mounting work to the highest priority production line.
- the 1st management method can equalize the production end time between a plurality of production lines.
- steps (1) to (3) may be repeated until all of the plurality of job groups are assigned.
- step (1) of the first management method only the scheduled end time for the production line assigned immediately before in step (3) may be updated. Since the amount of calculation for calculating the scheduled end time is reduced, the management method is simplified.
- the allocation includes (1) identifying a production line with the earliest scheduled start time among a plurality of production lines, and (2) identifying a plurality of job groups. Among them, for each unassigned job group, the scheduled end time by the production line with the earliest scheduled start time is specified, and (3) the latest among the scheduled end times specified for each unassigned job group The job group relating to the scheduled end time may be assigned to the production line.
- the highest priority production line common to all job groups can be specified by executing the step (1). Furthermore, according to the second management method, by executing the steps (2) and (3), it is possible to preferentially assign a job group having a long time required for the mounting operation to the highest priority production line.
- the 2nd management method can equalize the production end time between a plurality of production lines.
- steps (1) to (3) may be repeated until all of the plurality of job groups are allocated.
- the management device disclosed in this specification includes an assignment device that preferentially assigns a job group having the latest scheduled end time to one of the plurality of production lines among the plurality of job groups.
- the allocation device of the management device disclosed in the present specification specifies the scheduled end time of the job group by the highest priority production line for each job group, and among the scheduled end times specified for each job group Assign the job group associated with the latest scheduled end time to the highest priority production line.
- the allocation device may include a first specific processing unit, a second specific processing unit, and a first allocation processing unit.
- the first identification processing unit identifies the scheduled end time for all combinations of the unallocated job group and the plurality of production lines among the plurality of job groups.
- the second specifying processing unit specifies the earliest scheduled end time and the production line among the scheduled end times specified for each production line for each unassigned job group.
- the first allocation processing unit allocates, to the production line, a job group related to the latest scheduled end time among the earliest scheduled end times specified for each unallocated job group. Since the first management apparatus includes the first specific processing unit and the second specific processing unit, it is possible to specify the highest priority production line for each job group.
- the first management apparatus has the first allocation processing unit, it is possible to preferentially allocate a job group having a long time required for mounting work to the highest priority production line. As a result, as the assignment work proceeds, a job group with a short time required for the attachment work remains. A job group with a short time required for the mounting operation can finely adjust the production end time of the production line. For this reason, the 1st management apparatus can equalize the production end time between a plurality of production lines.
- the allocation apparatus may include a storage device that stores the scheduled end time for all combinations of the unallocated job group and the plurality of production lines among the plurality of job groups.
- the first specific processing unit may update only the scheduled end time for the production line allocated immediately before by the first allocation processing unit. Since the amount of calculation for calculating the scheduled end time is reduced, the processing speed of the management apparatus is increased.
- the allocation device may include a third specific processing unit, a fourth specific processing unit, and a second allocation processing unit.
- the third identification processing unit identifies the production line with the earliest scheduled start time among the plurality of production lines.
- the fourth identification processing unit identifies the scheduled end time of the production line with the earliest scheduled start time for each of the unassigned job groups among the plurality of job groups.
- the second allocation processing unit allocates, to the production line, the job group related to the latest scheduled end time among the scheduled end times specified for each unallocated job group. Since the second management apparatus has the third identification processing unit, it is possible to identify the highest priority production line common to all job groups.
- the second management apparatus since the second management apparatus has the fourth specific processing unit and the second allocation processing unit, it is possible to preferentially allocate a job group having a long time required for mounting work to the highest priority production line. . As a result, as the assignment work proceeds, a job group with a short time required for the attachment work remains. A job group with a short time required for the mounting operation can finely adjust the production end time of the production line. For this reason, the 2nd management apparatus can equalize the production end time between a plurality of production lines.
- the electronic component mounting system 1 includes a plurality of production lines 2 and a host computer 3 capable of communicating with the plurality of production lines 2.
- the electronic component mounting system 1 executes a job group using a plurality of production lines 2 while observing the production delivery date.
- Each of the production lines 2 includes a plurality of mounting related machines arranged along the printed circuit board conveyance path.
- the plurality of mounting related machines include a solder printer, a plurality of electronic component mounting machines, a board appearance inspection machine, and a reflow furnace.
- the production line 2 transports the printed circuit board along the transport path, and mounts a plurality of electronic components on the printed circuit board using these mounting-related machines.
- the host computer 3 comprehensively controls a plurality of production lines 2.
- One function of the host computer 3 is to perform an assignment operation on which production line 2 the job group is to be performed. This assignment work is executed by the assignment device of the host computer 3.
- the allocation device 100 included in the host computer 3 includes an input device 12, a display device 14, and a management device 20.
- the input device 12 is a user interface and includes, for example, a mouse and a keyboard.
- the display device 14 has a display, and displays a production order plan represented by production order plan data described later on the display. The operator can correct the production sequence plan displayed on the display of the display device 14 via the input device 12 as necessary.
- the management device 20 includes a processing device 21 and a storage device 22.
- the processing device 21 has a central processing unit and performs arithmetic processing on a plurality of data stored in the storage device 22 according to a predetermined program.
- the processing device 21 includes a specific processing unit and an allocation processing unit described in the claims.
- the storage device 22 of the management device 20 is configured to store job group data 23, production program data 24, part data 25, production line capability data 26, scheduled end time data 27, and production sequence plan data 28.
- the job group data 23 is data including information relating to production delivery date, production item, and production quantity.
- job group data 23 is stored in the storage device 22.
- the production program data 24 is data including information related to the types and the number of electronic components to be mounted on the printed circuit board and the positions on the printed circuit board on which the respective electronic components are to be mounted. It is specified for each.
- the part data 25 is data including information related to operating conditions when the electronic component mounting machine mounts the electronic component, and the information is specified for each type of electronic component.
- the production line capacity data 26 is data including information related to the type, number and arrangement order of mounting-related machines arranged on the production line, and the information is specified for each production line.
- the scheduled end time data 27 is data including information related to the time when the job group is scheduled to be mounted when it is assumed that the job group is assigned to the production line. As will be described later, the production sequence plan data This data is temporarily calculated when creating 28.
- the production order plan data 28 is data including information on what production line and in what order the job group is executed.
- the production order plan data 28 is data created by the management device 20.
- the management apparatus 20 creates (or updates) the production sequence plan data 28 by performing a first allocation method or a second allocation method described later.
- the management apparatus 20 can selectively execute any one of the first allocation method and the second allocation method described below based on the operator's instruction.
- the management device 20 may be capable of executing only one of the first allocation method and the second allocation method.
- step S ⁇ b> 11 the processing device 21 of the management device 20 stores the scheduled end time data 27 based on the job group data 23, the production program data 24, the part data 25, and the production line capability data 26. create.
- FIG. 4 illustrates a table representing the scheduled end time data 27.
- the scheduled end time data 27 created by the first allocation method indicates the time when the job group installation work is scheduled to end when the job group is allocated to the production line. Data describing the combination of. For example, assuming that job group 1 is assigned to production line 1, the scheduled end time is calculated as follows.
- the processing device 21 is required when the mounting operation specified in the job group 1 is executed in the production line 1 based on the job group data 23, the production program data 24, the part data 25, and the production line capability data 26. Calculate working time (also called cycle time). Next, the processing device 21 adds the calculated work time to the scheduled start time at which the production line 1 can start production, and calculates the scheduled end time T (1, 1). The processing device 21 creates the scheduled end time data 27 by executing such calculation for all combinations of job groups and production lines.
- step S12 the processing device 21 sorts the scheduled end times specified for each production line in order from the earliest for each job group. Based on the result of the sort order, the processing device 21 specifies the earliest scheduled end time and its production line for each job group. Thereby, the processing apparatus 21 can specify the production line with the highest priority for each job group.
- step S13 the processing device 21 sorts the earliest scheduled end times specified for each job group in order of lateness. Based on the result of the sort order, the processing device 21 specifies the job group and its production line related to the latest scheduled end time among the earliest scheduled end times specified for each job group.
- step S 14 the processing device 21 assigns the job group specified in step S 13 and its production line, and describes them in the production sequence plan data 28. As a result, the processing device 21 can preferentially assign a job group having a long working time to the highest priority production line.
- step S15 the processing device 21 recalculates the scheduled end time for each job group in the production line assigned in step S14, and updates the scheduled end time. For example, as shown in FIG. 5, assume that job group 2 is assigned to production line b in step S14. In this case, the processing device 21 deletes the data about the job group 2 from the table of the scheduled end time data 27, recalculates the scheduled end times of job groups other than the job group 2 on the production line b, and calculates the calculated schedule. Update end time. Thus, by recalculating only the scheduled end time for the assigned production line, the processing speed of the assignment work is improved.
- step S16 the processing device 21 determines whether or not all job groups have been allocated. If the assignment of all job groups has been completed, the assignment work ends. If the assignment of all job groups has not been completed, the process returns to step S12.
- the highest priority production line that can complete the mounting work earliest for each job group can be specified by performing step S12.
- the first assignment method prevents a job group from being assigned to only one production line, and a plurality of job groups are assigned to a plurality of production lines. Can be allocated in a balanced manner.
- the first allocation method can specify the latest scheduled end time among the combinations of the specified job group and the highest priority production line by performing Step 13.
- the combination of the job group thus identified and the highest priority production line can be allocated with priority.
- FIG. 6 shows a state in which a plurality of job groups are assigned to the production line.
- the hatched arrows indicate job groups that have been assigned prior to executing the assignment method. Arrows not hatched indicate job groups assigned by the above assignment method.
- a job group having a late scheduled end time that is, a long work time is preferentially allocated to the highest priority production line.
- a job group with a short working time remains.
- a job group with a short work time can finely adjust the production end time of the production line. For this reason, the above allocation method can make the production end times between a plurality of production lines uniform.
- step S ⁇ b> 21 the processing device 21 of the management device 20 sorts the scheduled start times of the plurality of production lines in order of speed. Based on the result of the sort order, the processing device 21 identifies the production line with the earliest scheduled start time among the plurality of production lines. Thereby, the processing apparatus 21 can specify the highest priority production line common to all job groups.
- step S22 the processing device 21 uses the job group data 23, the production program data 24, the part data 25, and the production line capacity data 26, and the scheduled end time data 27 in the production line specified in step S21.
- Create FIG. 8 illustrates a table representing the scheduled end time data 27.
- the scheduled end time data 27 created by the second allocation method is assumed to be allocated to a specified production line (in this example, production line X)
- the mounting operation of the job group is completed. This is data describing scheduled times for all combinations of job groups and specified production lines.
- step S23 the processing device 21 sorts the scheduled end times specified for each job group in order of lateness. Based on the result of this sort order, the processing device 21 specifies the job group and its production line related to the latest scheduled end time among the scheduled end times specified for each job group.
- step S24 the processing device 21 assigns the job group specified in step S23 and its production line, and describes them in the production sequence plan data 28. As a result, the processing device 21 can preferentially assign a job group having a long working time to the highest priority production line.
- step S25 the management apparatus 20 determines whether or not all job groups have been assigned. If the assignment of all job groups has been completed, the assignment work ends. If the assignment of all job groups has not been completed, the process returns to step S21.
- the highest priority production line with the earliest scheduled start time can be specified by performing step S21.
- the second assignment method prevents a job group from being assigned to only one production line, and a plurality of job groups are assigned to a plurality of production lines. Can be allocated in a balanced manner.
- the second allocation method can identify the job group with the latest scheduled end time on the identified highest priority production line by performing Step S22 and Step S23.
- step S24 the combination of the job group thus identified and the highest priority production line can be allocated with priority.
- a job group having a later scheduled end time that is, a long work time is preferentially allocated to the highest priority production line. Remains.
- a job group with a short work time can finely adjust the production end time of the production line. For this reason, the 2nd allocation method can equalize the production end time between production lines.
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Abstract
Description
先ず、第1の割付方法について説明する。図3に示されるように、ステップS11において、管理装置20の処理装置21は、ジョブグループデータ23、生産プログラムデータ24、パートデータ25及び生産ライン能力データ26に基づいて、予定終了時刻データ27を作成する。図4に、予定終了時刻データ27を表すテーブルを例示する。第1の割付方法で作成される予定終了時刻データ27は、ジョブグループを生産ラインに割り付けたと仮定したときに、そのジョブグループの装着作業が終了する予定の時刻を、ジョブグループと生産ラインの全ての組合せについて記述するデータである。例えば、ジョブグループ1を生産ライン1に割り付けた仮定した場合、予定終了時刻は次のように計算される。まず、処理装置21は、ジョブグループデータ23、生産プログラムデータ24、パートデータ25及び生産ライン能力データ26に基づいて、ジョブグループ1で指定されている装着作業を生産ライン1で実行したときに要する作業時間(サイクルタイムともいう)を計算する。次に、処理装置21は、生産ライン1が生産を開始することが可能な予定開始時刻に計算された作業時間を加算し、予定終了時刻T(1,1)を計算する。処理装置21は、このような計算をジョブグループと生産ラインの全ての組合せについて実行することで、予定終了時刻データ27を作成する。
次に、第2の割付方法について説明する。図7に示されるように、ステップS21において、管理装置20の処理装置21は、複数の生産ラインの予定開始時刻を早い順にソートする。このソート順の結果に基づいて、処理装置21は、複数の生産ラインのなかで予定開始時刻が最も早い生産ラインを特定する。これにより、処理装置21は、全てのジョブグループに共通する最優先の生産ラインを特定することができる。
2:生産ライン
3:ホストコンピュータ
12:入力装置
14:表示装置
20:管理装置
21:処理装置
22:記憶装置
23:ジョブグループデータ
24:生産プログラムデータ
25:パートデータ
26:生産ライン能力データ
27:予定終了時刻データ
28:生産順序計画データ
100:割付装置
Claims (11)
- 複数の生産ラインを有する電子部品装着システムの管理方法であって、
複数のジョブグループのなかで、予定終了時刻が最も遅くなるジョブグループを、前記複数の生産ラインのなかの1つに優先的に割り付けること、を備える管理方法。 - 前記割り付けることは、
(1)前記複数のジョブグループのなかで未割り付けのジョブグループと前記複数の生産ラインの全ての組合せについての予定終了時刻を特定することと、
(2)前記未割り付けのジョブグループの各々について、生産ライン毎に特定された予定終了時刻のなかから最も早い予定終了時刻とその生産ラインを特定することと、
(3)前記未割り付けのジョブグループ毎に特定された最も早い予定終了時刻のなかで最も遅い予定終了時刻に係るジョブグループをその生産ラインに割り付けること、を有する請求項1に記載の管理方法。 - 前記複数のジョブグループの全てが割り付けられるまで、前記(1)~(3)のステップを繰返す請求項2に記載の管理方法。
- (1)のステップでは、(3)のステップで直前に割り付けられた生産ラインについての予定終了時刻のみを更新する請求項3に記載の管理方法。
- 前記割り付けることは、
(1)前記複数の生産ラインのなかで予定開始時刻が最も早い生産ラインを特定することと、
(2)前記複数のジョブグループのなかで未割り付けのジョブグループの各々について、前記予定開始時刻が最も早い生産ラインによる予定終了時刻を特定することと、
(3)前記未割り付けのジョブグループ毎に特定された前記予定終了時刻のなかで最も遅い予定終了時刻に係るジョブグループをその生産ラインに割り付けること、を有する請求項1に記載の管理方法。 - 前記複数のジョブグループの全てが割り付けられるまで、前記(1)~(3)のステップを繰返す請求項5に記載の管理方法。
- 複数の生産ラインを有する電子部品装着システムの管理装置であって、
複数のジョブグループのなかで、予定終了時刻が最も遅くなるジョブグループを、前記複数の生産ラインのなかの1つに優先的に割り付ける割付装置、を備える管理装置。 - 前記割付装置は、
前記複数のジョブグループのなかで未割り付けのジョブグループと前記複数の生産ラインの全ての組合せについての予定終了時刻を特定する第1特定処理部と、
前記未割り付けのジョブグループの各々について、生産ライン毎に特定された予定終了時刻のなかから最も早い予定終了時刻とその生産ラインを特定する第2特定処理部と、
前記未割り付けのジョブグループ毎に特定された最も早い予定終了時刻のなかで最も遅い予定終了時刻に係るジョブグループをその生産ラインに割り付ける第1割付処理部と、を有する請求項7に記載の管理装置。 - 前記割付装置は、
前記複数のジョブグループのなかで未割り付けのジョブグループと前記複数の生産ラインの全ての組合せについての予定終了時刻を記憶する記憶装置をさらに有する請求項8に記載の管理装置。 - 前記第1特定処理部は、前記第1割付処理部が直前に割り付けた生産ラインについての予定終了時刻のみを更新する請求項9に記載の管理装置。
- 前記割付装置は、
前記複数の生産ラインのなかで予定開始時刻が最も早い生産ラインを特定する第3特定処理部と、
前記複数のジョブグループのなかで未割り付けのジョブグループの各々について、前記予定開始時刻が最も早い生産ラインによる予定終了時刻を特定する第4特定処理部と、
前記未割り付けのジョブグループ毎に特定された前記予定終了時刻のなかで最も遅い予定終了時刻に係るジョブグループをその生産ラインに割り付ける第2割付処理部と、を有する請求項7に記載の管理装置。
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