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WO1992011114A1 - Systeme d'instruction de travail et systeme de commande de transport dans une ligne de production - Google Patents

Systeme d'instruction de travail et systeme de commande de transport dans une ligne de production Download PDF

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Publication number
WO1992011114A1
WO1992011114A1 PCT/JP1991/001752 JP9101752W WO9211114A1 WO 1992011114 A1 WO1992011114 A1 WO 1992011114A1 JP 9101752 W JP9101752 W JP 9101752W WO 9211114 A1 WO9211114 A1 WO 9211114A1
Authority
WO
WIPO (PCT)
Prior art keywords
semi
identification code
setting
warehouse
part number
Prior art date
Application number
PCT/JP1991/001752
Other languages
English (en)
Japanese (ja)
Inventor
Yoshihiro Yao
Nobuo Miyamoto
Hideyuki Wakai
Original Assignee
Kabushiki Kaisha Komatsu Seisakusho
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kabushiki Kaisha Komatsu Seisakusho filed Critical Kabushiki Kaisha Komatsu Seisakusho
Publication of WO1992011114A1 publication Critical patent/WO1992011114A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
    • B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q41/00—Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
    • B23Q41/08—Features relating to maintenance of efficient operation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
    • 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 production line for producing a finished product by performing a process of selectively combining various components in a plurality of processes, and in particular, efficiently performing a process and a warehouse in each process and a transport operation between processes.
  • the realization of a production system capable of doing so.
  • -A series of transport and processing operations are performed by indicating the product number of "1" and issuing a work instruction.
  • processing is performed by selectively combining various parts in multiple processes like a car production line.
  • new semi-finished products can be obtained by combining a plurality of semi-finished products or parts obtained in the previous process in a certain process (by processing such as assembly and welding). Therefore, if a part number is assigned only to a part in the minimum unit as in the above-mentioned machining line, a semi-finished product must be specified by a plurality of part numbers of the parts constituting the semi-finished product.
  • the efficiency of the transportation and processing operations was impaired.
  • the present invention has been made in view of the above circumstances, and the efficiency of a production line for producing finished products is improved by performing a process of selectively combining various parts in a plurality of processes. It is an object of the present invention to provide a work instruction device and a transport control device for operating well.
  • a part number indicating a First setting means for setting and setting a part number for each type of semi-finished product to be processed at each stage of the plurality of processes, and a warehouse for supplying these parts and semi-finished products corresponding to the part and semi-finished product numbers
  • Second setting means for setting a supply source identification code indicating a process and a process, and a destination identification indicating a process in which the part and the semi-finished product are to be combined and processed next in accordance with the part number of the part and the semi-finished product
  • a third setting means for setting the code, and a warehouse or process indicated by the supply source identification code based on the setting contents of the first, second, and third setting means.
  • a transmission unit for transmitting a corresponding incense and transmitting a part number corresponding to the supply destination identification code and a supply source identification code corresponding to the part number for the process indicated by the supply destination identification code.
  • a system, and display means provided for each of the warehouse and the plurality of processes, for displaying contents transmitted from the higher-level system, wherein a processing operation is instructed based on the display contents of the display means, and the parts and semi-finished products are provided. The transfer work is instructed.
  • the product number corresponding to the supply source identification code and the product number corresponding to the product number A higher-level system having a transmission means for transmitting a supply destination identification code and transmitting a product number corresponding to the supply destination identification code for the process indicated by the supply destination identification code; Display means provided for each process, for displaying the contents transmitted from the host system, and instructing a machining operation based on the display contents of the display means and instructing a transport operation of the parts and semi-finished products. I have to.
  • the same first, second and third setting means and transmission means as in the first invention are provided in the host system.
  • Based on the contents output a request command for parts and semi-finished products of the corresponding part number to the warehouse or process indicated by the supplier identification code, and request the parts and semi-finished products of the requested part number when the required command force is input.
  • the component which is the minimum unit of the finished product but also the semi-finished product obtained in each process is regarded as a single component in the host system, and the new product number s is given.
  • a code is added to each part number to identify its source (a warehouse for parts, a process for preparing semi-finished products for semi-finished products).
  • a coding power s for identifying a supply destination (process to be processed next) is given.
  • the higher-level system sends to each process and warehouse the incense of parts or semi-finished products required for assembly in the own process and the supply source identification code, and the product number of the semi-finished products or components assembled in the own process is transmitted.
  • each process by displaying the contents of the transmission on the display means, it becomes possible to easily obtain the parts or semi-finished products of the part numbers required for the assembly in the own process from the process or warehouse indicated by the supply source identification code. Furthermore, the part numbers of parts and semi-finished products required for assembly and the part numbers of semi-finished products to be assembled are displayed, so that the setup of processing can be performed efficiently.
  • the higher-level system transmits the part numbers and semi-finished product numbers required for assembly in the own process to each process and warehouse, and also transmits the part numbers of the semi-finished products or parts assembled in the own process and their supply destination identification codes. You.
  • the process or warehouse that receives the request command can issue a command to the transport means to supply the semi-finished product or part created in its own process to the requested process.
  • the supply destination power of the parts or semi-finished products assembled in the own process can be known from the transmission contents, so the supply command can be issued to the process indicated by the relevant supply destination identification code.
  • the process receiving the supply command can issue a command s ' to a means for supplying a semi-finished product or a part from the process or warehouse of the supply source to the own process.
  • FIG. 1 is a block diagram showing a system configuration of an embodiment of a production line work instruction device and a computer control device according to the present invention.
  • FIG. 2 is a diagram conceptually showing the line configuration of the production line of the embodiment shown in FIG. 1.
  • FIG. 3 is a flowchart showing a processing procedure performed in each system shown in FIG.
  • Fig. 4 is a diagram showing the U of the component configuration of the product produced on the production line shown in Fig. 1.
  • Fig. 5 is used to explain the process design data input to the upper system shown in Fig. 1.
  • FIG. 4 is a diagram showing the U of the component configuration of the product produced on the production line shown in Fig. 1.
  • Fig. 5 is used to explain the process design data input to the upper system shown in Fig. 1.
  • FIG. 6 is a diagram used to explain the production plan data input to the upper system shown in FIG.
  • Fig. 7 is a diagram used to explain the execution plan data created by the higher-level system shown in Fig. 1, and shows the contents of the main line execution plan data used in the main line management system in Fig. 1.
  • FIG. 7 is a diagram used to explain the execution plan data created by the higher-level system shown in Fig. 1, and shows the contents of the main line execution plan data used in the main line management system in Fig. 1.
  • FIG. 3 is a diagram illustrating the contents of sub-line execution plan data used in the sub-line management system of FIG. 1;
  • Fig. 9 is a diagram used to explain the execution plan data created by the host system shown in Fig. 1, and shows the contents of the execution plan data for the kit site used in the kit site management system in Fig. 1.
  • FIG. 9 is a diagram used to explain the execution plan data created by the host system shown in Fig. 1, and shows the contents of the execution plan data for the kit site used in the kit site management system in Fig. 1.
  • FIG. 10 is a diagram used to explain the prior art, and the mechanical force!
  • FIG. 3 is a diagram illustrating a process chart in Ellein.
  • FIG. 2 conceptually shows the line configuration of a production line that produces automobiles.
  • various parts which are the minimum units for producing automobiles, are placed on the production line.
  • Automatic storage 0 where parts are automatically loaded and unloaded by the transfer control device 9
  • kit parts 1 where the specified parts are sent * m from the automatic storage 0 and these predetermined parts are collectively palletized
  • a set of parts conveyed from warehouse 0 and parts palletized and conveyed at kit place 1 (this is called a semi-finished product for convenience).
  • 5 Create semi-finished products such as engines by processing and bonding together.
  • the automatic warehouse 0, the kit yard 1, the sub-line 2, and the main line 3 are connected to each other by the transport path of an automatic guided vehicle that transports parts and semi-finished products according to the transport command.
  • the traveling of the automatic guided vehicle is controlled by a transfer control device 9 described later with reference to FIG.
  • Kit site 1 has transport vehicle stations 1 1 0, 1 2 0, 1 3 0, and 1 40 according to the parts transferred from automated warehouse 0, and subline 2 is transferred from kit site 1.
  • the main line 3 depends on the semi-finished products conveyed from the sub-line 2 and the semi-finished products conveyed from the kit site 1 and the parts conveyed from the automatic warehouse 0 ⁇ ! Stations 3 1 0, 3 2 0, 3 3 0 have.
  • Fig. 1 shows the system configuration of the production line shown in Fig. 2, and it mainly consists of creating the necessary warehousing plan data in the automatic warehouse 0 based on the production plan of the production line, Creates execution plan data for each process required for each process of subline 2 and main line 3 and creates upper system 4 that supervises and controls automatic warehouse 0, kit yard 1, subline 2, and main line 3, and upper system 4.
  • a main line management system 5 that manages the main line 3 based on the contents of the execution plan data
  • a sub line management system 6 that manages the sub line 2 based on the contents of the execution plan data created by the upper system 4
  • a kit space management system 7 that manages the kit space 1 based on the contents of the execution plan data created by the upper system 4
  • Automatic warehouse management system 8 which manages the 3 ⁇ 4SU, quantity, placement position, etc. of parts in automatic warehouse 0 based on data, sub-line management system 6, kit place management system 7, and commands output from automatic warehouse management system 8.
  • a transport control device 9 that controls the traveling of the automatic guided vehicle according to the above and controls the entry and exit of the automatic warehouse 0 in response to the entry / exit command output from the automatic warehouse management system 8.
  • the systems 4 to 8 are composed mainly of computers in terms of hardware, and the systems 4 to 8 are wired or wirelessly networked as indicated by solid arrows. That is, the upper system 4 has the transmission unit 41, and transmits the execution plan data to the systems 5 to 7 and the storage plan data to the system 8.
  • the systems 5, 6, and 7 also have transmission units 51, 61, and 71, respectively, and transmit request commands described later to the lower systems.
  • the systems 5, 6, 7, and 8 have display units 52, 62, 72, and 82, respectively, and display the contents of the input execution plan data and storage plan data on the screen.
  • These display units 52, 62, 72, and 82 are attached to the main line 3, the sub line 2, the kit hall 1, and the automatic warehouse 0 so that they can be easily recognized by the operator.
  • part number based on the data related to the part constituting these products to be produced XX - X, Part Upushiron'upushiron'upushiron, are created for each component configuration table force s product 3 ⁇ 4 showing the flow of parts and semi-finished products constituting the part ⁇ ....
  • the flow of parts and semi-finished products that make up part number XXX can be represented as a parts configuration table as shown in Fig. 4 (Fig. 2 shows the supply route in the line).
  • the numbers in parentheses indicate the identification numbers of the stations supplied by the parts or semi-finished product s carrier.
  • kit 1 the power to obtain a semi-finished product by combining the parts of incense 01001 and 01002 'is set.
  • a new part number 11001 is set for this semi-finished product.
  • kit 1 has a part number 11002 for a semi-finished product made by combining parts of part numbers 01004, 01005 and 01006, and sub line 2 has a part number 12001 for a semi-finished product made by combining a semi-finished product of part number 1 1001 and a part of part number 010 03.
  • the upper two digits of the part and semi-finished product numbers are coded as the places where these parts and semi-finished products are obtained and placed as follows.
  • this number is referred to as a supplier identification number. From this, for example, a semi-finished product with the product number 12001 can be processed at sub-line 2 indicated by 12, and can be obtained.
  • next supply destination for each part and semi-finished product number that is, the three-digit supply destination identification number for identifying the next process to be processed and its station is set as shown in the brackets in Fig. 4. Is done.
  • a semi-finished product with a part number of 20001 has a supplier identification number of 310, and a semi-finished product with a part number of 20001 is identified by 10 on the main line 3 indicated by 3.
  • Station 310 can be obtained.
  • Y Y Y, ⁇ ⁇ ⁇ , etc. the same parts configuration table as in Fig. 4 is created.
  • the next process design data 5 were divided into each system 5-7 based on the configuration table b, 6 b, 7b is created as shown in FIG. That is, regarding the process design data 5b for the main line 3, a part number whose upper one digit of the supply destination identification number is 3 is selected from the parts configuration table as a necessary part or a semi-finished part.
  • the product number 1 2 0 1, the product number 1 1 0 0 2 and the product number 0 1 0 7 are selected.
  • the semi-finished product with part number 1 201 is supplied to station 310 of main line 3, and the semi-finished product of part number 1 100 2 is supplied to station 320 of main line 3.
  • Incense 0 1 0 7 parts are supplied to the station 3 330 on the main line 3, and these semi-finished products of part numbers 1 2 0 0 1 and 1 0 0 2 and products of part number 0 1 0 7
  • the content of creating XXX is converted into data.
  • the semi-finished product of product number XXX1 that constitutes product XXX is regarded as a “part”.
  • Products ⁇ ⁇ and ⁇ ⁇ ⁇ are also converted into data in the same manner, and process design data 5 b for main line 3 is created.
  • process design data 6b for subline 2 is created.
  • the part number whose first digit of the supplier identification number is 2 is selected from the parts configuration table as parts and semi-finished products required for # 5 :.
  • a part number with a supplier identification number of 12 from the parts configuration table is selected as # 5: semi-finished product to be processed.
  • a part number 11001, 01003 force s is selected as a required part or a semi-finished product
  • a part number 12002 is selected as a semi-finished product to be assembled.
  • machining in one process includes the number of parts used for assembly and the number of semi-finished products regarded as “parts” and one type of semi-finished product (including products). ).
  • the semi-finished product for example, kit No. 1 1001 of one process (for example, kit place 1) is regarded as the “parts” of the next process (for example, subline 2), and specified as part number 1 1001. Can be simply expressed as a solid arrow.
  • a common part or semi-finished product is used between different products, for example, between XXX and YYY, it can be described using the same part number (for example, 11001) as shown by a thick arrow.
  • the force s which is omitted in the parts configuration table, and the number required for assembly are set for each part number in the process design data in FIG.
  • the lead time data s which indicates the time required for work, ie, the lead time L / T (minutes) is set for each work unit that creates one type of semi-finished product.
  • the process design data 6b for sub-line 2 to create product XXX includes “parts” (semi-finished products considered to be) 1100 1 force and two parts 01003, and semi-finished products 12001 lead time 15 Information that the assembly should be processed in minutes is added.
  • the process design data 5b, 6b, and 7b as described above are created, these data are input to the host system 4 (step 101).
  • production plan data 4a in addition to the process design data created and entered in step 101, production plan data 4a as shown in FIG. As shown in Fig. 6, the production plan data 4a contains the product names of various types of products to be produced, XXX, YYY, ⁇ ..., and the assembly order that indicates the order in which these products are produced (Fig. 6, 1, 2, 3 ..), The number of pieces (in the embodiment, the number may be simplified to one piece or more), and the data describing the scheduled end time of production of each product. Based on the process design data 5b, 6b, 7b and the production plan data 4a, as shown in Fig. 7, Fig. 8, and Fig.
  • the main line management system 5, sub line management system 6, Toba management system The execution plan data for each 7 is generated 5a, 6a, 7a. That is, as shown in FIG. 7, the execution plan data 5a for the main line is obtained based on the product name shown in the production plan data 4a, the data of the production end time and the process design data 5b. Is done. At this time, although not shown in the figure, the scheduled start time and the scheduled end time are set in the execution plan data 5a for each work unit (indicated by 1, 2, 3,... In the figure). Also, as shown in FIG. 8, the execution plan data 6a for the sub-line is based on the product name shown in the production plan data 4a, its assembly order, its production end scheduled time data, and the process design data 6b.
  • each work in the order of 1 in the figure
  • a scheduled start time and a scheduled end time are set for each business unit (not shown).
  • the execution plan data 7a for the kit site is based on the product name shown in the production plan data 4a, the data at that time, the estimated production end time, and the process design data 7b. Power is applied.
  • the scheduled start time of each work shown in the # 1 execution plan data 5a for the main line and the execution plan data 6a for the sub line which is about # 1 will be determined.
  • a scheduled start time and a scheduled end time are set for each work unit (not shown).
  • the plan data is based on the production plan data 4a and the process design data 5b, 6b, 7b. Created.
  • This ⁇ ⁇ plan data is data indicating the part numbers of the parts to be prepared for assembling all the products shown in the production plan data 4a.
  • the parts required to produce the product XX X are 0 1001 to 01007 (step 102). : If the execution plan data 5a to 7a and the storage plan data are generated as in Lh, the transmission plan 41 sends these execution plan data 5a, 6a, 7a and Main line management system 5 and subline management system 6 Processing for transmitting to the kit place management system 7 and the warehouse management system 8 is performed (step 103).
  • processing of displaying the contents of each plan data transmitted from the transmission unit 41 on the display units 52 to 82 is performed (step 104). Necessary parts or semi-finished products are arranged for each process, and setup for producing semi-finished products and products XXX, that is, arrangement of tools and jigs to be used, is performed. If subline 2 is taken as an example, the contents shown in Fig. 8 are displayed, so the first operation shown in assembly order 1 is to first replace the semi-finished product with part number 1101 with kit 1 It can be seen that it is sufficient to arrange for transportation from the site 2 and also to transport the parts with the part number 0 1 0 3 from the automatic warehouse 0 indicated by 0 1.
  • the operator force s based on the display content of the display unit 62 s The semi-finished products (1 1 0 0 1) and the components (0 1 0 3) to be the materials are manually It is conceivable that the wafer is conveyed from the previous step. Such manual transfer of a component or the like is particularly effective when the component equivalent force s is large and cannot be transferred by an automatic guided vehicle.
  • tools and jigs can be properly arranged in accordance with the material part numbers (11001 and 01003) and the processed part numbers (120001). The above pre-processing is performed quickly and accurately, and the first assembly work is performed. In the following, the assembling order 2, 3, 4, etc.
  • the kit place management system 7 receives the above-mentioned request command, and in response to this, transports the semi-finished product of the product number 110001 to the station 210 of the sub-line 2 indicated by 210 by the automatic guided vehicle. Is output to the transport control device 9.
  • the automatic guided vehicle is controlled to travel as required, and transports the semi-finished product having the product number of 1101 to the station 210 of the sub-line 2.
  • parts of the part number 01003 are unloaded from the automated warehouse 0 in response to the input of the request command, placed on an unmanned vehicle, and directed to the subline 2 station 222! A transfer command and a transfer command for the transfer are output to the transfer control device 9.
  • a request command is output to the upstream system, and the upstream system outputs a transport instruction to the transport control device 9 in response to the request command.
  • the necessary materials are transported to the subsequent process accurately and accurately.
  • the source of parts and semi-finished products required for assembly is displayed for each system.
  • the supply destination of semi-finished products (or parts in automated warehouses) that have been processed is determined for each system. It may be displayed every time. For example, taking the kit order 1 of the execution plan data 7a in Fig. 9 as an example, the supply destination identification number 2 1 0 (the supply destination is the station 2 210 of the subline 2) corresponding to the semi-finished product 1 100 1 It will be added as data. Therefore, if such execution plan data and storage plan data are transmitted to each system, the above work instruction and transport control are performed in the following manner.
  • the supply destination (2110) of the semifinished product is recognized by looking at the display content of the display unit 62. Arrange to supply semi-finished products to this supplier.
  • the supply destination (2110) of the semifinished product is recognized by looking at the display content of the display unit 62. Then, a supply command is output to the supply destination indicating that the semi-finished product is in the “suppliable state”. In response to this command, a transfer command is output to the feed control device 9 so that the semi-finished product can be transferred from the kit site 1 where the command was output to the feed control unit 9 when the power (sub-line) of the supply destination becomes necessary.
  • the contents of the execution plan data 5a to 7 and the storage plan data of the embodiment are merely examples, and in order to quickly and accurately perform a series of operations such as preprocessing, assembly work, and storage of parts, the above-described processing is performed. It is also possible to add information such as product names (parts and semi-finished products) and jigs to the data.
  • the system of this embodiment includes main, sub, kit, and automatic warehouse management systems. Since each of the systems 5 to 8 operates based on the execution plan data and the stocking plan data, the functions of the management systems 5 to 8 can be realized by separate hardware. Therefore, it can easily cope with various production lines having different types and numbers of processes. In addition, it can flexibly respond to changes in the configuration of the production line.
  • the present invention is not limited to automobile production lines, but can be applied to a wide variety of production lines, such as ⁇ 5: processes, welding processes, etc., in which various parts are selectively combined in multiple processes. It is.
  • the semi-finished products generated at each stage of the process are specified by the product number, the supply source of the parts and semi-finished products to be used in each process and the warehouse, and the supply destination of the semi-finished products to be created
  • the part delivery destination is specified by a code, and the specified data is distributed to each process and warehouse and sent to each process and warehouse as plan data. Based on this, work instructions and transfer control are performed, so that a series of work forces such as transfer and processing can be performed accurately. As a result, the production efficiency of the production line is greatly improved.

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  • Engineering & Computer Science (AREA)
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  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Factory Administration (AREA)
  • Multi-Process Working Machines And Systems (AREA)
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Abstract

Un objet de cette invention est de faire fonctionner efficacement une ligne de production pour des produits finis, selon un procédé qui consiste à effectuer le travail de façon que différentes parties soient combinées de manière sélective au cours d'une multiplicité de procédés. On affecte à un produit semi-fini, produit selon les procédés (1 et 2), un numéro de produit; des pièces utilisées comme matériaux brutes, un fournisseur du produit semi-fini ou une destination du produit semi-fini ou de la pièce sont spécifiés; et ces données spécifiées sont distribuées et transmises à partir d'un système (4) d'un niveau supérieur à des systèmes de commande respectifs (5, 6, 7 et 8) sous forme de données planifiées devant être mises à exécution et de données planifiées devant être reçues. Les systèmes respectifs affichent les contenus des données ainsi transmises sur des éléments d'affichage (52, 62, 72 et 82), donnent des directives de travail en fonction du contenu de ces données et produisent des instructions de requêtes à l'intention des systèmes (6, 7 et 8) se trouvant du côté du fournisseur en fonction des contenus affichés, ou bien produisent des instructions d'approvisionnement aux systèmes de destination (5, 6 et 7). Le système qui a reçu l'instruction de requête produit une instruction de transport à l'intention du système de commande de transport (a) afin que les matériaux bruts soient transportés vers le système qui a produit l'instruction de requête, alors que le système qui a reçu l'instruction d'approvisionnement produit une instruction de transport à l'intention du système de commande de transport (a) afin que le matériau brut soit transporté à partir du système qui a produit l'instruction d'approvisionnement.
PCT/JP1991/001752 1990-12-25 1991-12-24 Systeme d'instruction de travail et systeme de commande de transport dans une ligne de production WO1992011114A1 (fr)

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JP2405302A JP3041489B2 (ja) 1990-12-25 1990-12-25 生産ラインの作業指示装置および搬送制御装置
JP2/405302 1990-12-25

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