WO2023079902A1 - メンテナンス支援システムおよびメンテナンス支援方法ならびにメンテナンス支援プログラム - Google Patents

メンテナンス支援システムおよびメンテナンス支援方法ならびにメンテナンス支援プログラム Download PDF

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Publication number
WO2023079902A1
WO2023079902A1 PCT/JP2022/037547 JP2022037547W WO2023079902A1 WO 2023079902 A1 WO2023079902 A1 WO 2023079902A1 JP 2022037547 W JP2022037547 W JP 2022037547W WO 2023079902 A1 WO2023079902 A1 WO 2023079902A1
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WO
WIPO (PCT)
Prior art keywords
maintenance
time
work
target
deadline
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PCT/JP2022/037547
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English (en)
French (fr)
Japanese (ja)
Inventor
憲 末継
道明 馬渡
晟央 丸田
Original Assignee
パナソニックＩｐマネジメント株式会社
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.)
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Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to CN202280057156.6A priority Critical patent/CN117836732A/zh
Publication of WO2023079902A1 publication Critical patent/WO2023079902A1/ja

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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]
    • 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
    • G06Q10/20—Administration of product repair or maintenance
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04—Mounting of components, e.g. of leadless components

Definitions

  • the present disclosure relates to a maintenance support system, a maintenance support method, and a maintenance support program for creating a maintenance work plan for maintenance targets provided in production equipment.
  • a component mounter that mounts components on a board is equipped with equipment elements such as a feeder that supplies components, a nozzle that holds components, and a mounting head to which the nozzle is attached.
  • equipment elements such as a feeder that supplies components, a nozzle that holds components, and a mounting head to which the nozzle is attached.
  • Patent Document 1 discloses a support system that calculates a maintenance priority for a maintenance target from the usage time and usage limit time of the maintenance target, and creates a maintenance plan based on the maintenance priority.
  • Patent Document 1 With conventional technologies including Patent Document 1, it is possible to realize efficient maintenance work from a medium- to long-term perspective. However, if an attempt is made to create a maintenance work plan for performing maintenance work on a maintenance target during an irregular and short machine downtime such as a changeover time for changing the type of mounted boards produced by the component mounting machine, the machine There were problems such as delays in the start of production due to maintenance work not being completed during downtime, and there was room for further improvement.
  • an object of the present disclosure is to provide a maintenance support system, a maintenance support method, and a maintenance support program that can create a maintenance work plan that has little impact on the production plan.
  • a maintenance support system of the present disclosure is a maintenance support system that creates a maintenance work plan for a plurality of maintenance targets provided in a production apparatus that produces a product.
  • a maintenance extraction unit for extracting a selected maintenance target to be subjected to maintenance work from among a plurality of maintenance targets based on the deadline and maintenance details, and a maintenance work for the selected maintenance target based on the maintenance deadline and maintenance content.
  • a maintenance setting unit that sets an implementation date and time. If there is a selected maintenance target for which the set implementation date and time exceeds the maintenance deadline among the multiple maintenance targets, the maintenance setting unit determines the selected maintenance based on the degree of impact when the maintenance work related to the maintenance content cannot be performed. Reset the execution date and time of the target maintenance work.
  • a maintenance support method of the present disclosure is a maintenance support method for creating a maintenance work plan for a plurality of maintenance targets provided in a production apparatus that produces a product, and includes a maintenance deadline and a maintenance deadline based on the results of monitoring the states of the plurality of maintenance targets. extracting a selected maintenance target to be subjected to maintenance work from among a plurality of maintenance targets based on the maintenance content, and setting the execution date and time of the maintenance work for the selected maintenance target based on the maintenance deadline and the maintenance content; Including.
  • the maintenance work for the selected maintenance target will be performed based on the degree of impact if the maintenance work related to the maintenance content cannot be performed. Reset the implementation date and time.
  • the maintenance support program of the present disclosure causes a computer to execute a maintenance support method.
  • FIG. 1 is a configuration explanatory diagram of a component mounting system according to one embodiment of the present disclosure.
  • FIG. 2 is a block diagram showing the configuration of the information processing system of the management computer (maintenance support system) according to one embodiment of the present disclosure.
  • FIG. 3 is an explanatory diagram of an example of maintenance work information used for maintenance support by a management computer (maintenance support system) according to an embodiment of the present disclosure.
  • FIG. 4A is an explanatory diagram of an example of a production plan used for maintenance support by a management computer (maintenance support device) according to an embodiment of the present disclosure;
  • FIG. 4B is an explanatory diagram of an example of allocation of selected maintenance targets used in maintenance support by the management computer (maintenance support device) according to the embodiment of the present disclosure.
  • FIG. 1 is a configuration explanatory diagram of a component mounting system according to one embodiment of the present disclosure.
  • FIG. 2 is a block diagram showing the configuration of the information processing system of the management computer (maintenance support system)
  • FIG. 5A is an explanatory diagram of an example of a production plan used for maintenance support by a management computer (maintenance support device) according to an embodiment of the present disclosure
  • FIG. 5B is an explanatory diagram of an example of assignment of selected maintenance targets used in maintenance support by the management computer (maintenance support device) according to the embodiment of the present disclosure
  • FIG. 6A is an explanatory diagram of an example of a production plan used for maintenance support by a management computer (maintenance support device) according to an embodiment of the present disclosure
  • FIG. 6B is an explanatory diagram of an example of assignment of selected maintenance targets used in maintenance support by the management computer (maintenance support device) according to the embodiment of the present disclosure.
  • FIG. 6C is an explanatory diagram of an example of a modified production plan used for maintenance support by the management computer (maintenance support device) according to the embodiment of the present disclosure
  • FIG. 7 is an explanatory diagram of an example of a maintenance plan created by a management computer (maintenance support device) according to an embodiment of the present disclosure
  • FIG. 8 is a flow diagram of a maintenance support method according to one embodiment of the present disclosure.
  • FIG. 1 is a configuration explanatory diagram of a component mounting system 1 according to an embodiment of the present disclosure.
  • the component mounting system has a configuration in which the production devices that make up one component mounting line L are connected by a communication network 2 and managed by a management computer 3.
  • the component mounting line L includes a substrate feeding device M1, a printing device M2, a print inspection device M3, component mounting devices M4 to M8, and a mounting inspection device M9 from upstream (left side of the paper surface) to downstream (right side of the paper surface) in the substrate conveying direction. , a reflow device M10, and a substrate recovery device M11 are connected in series.
  • the component mounting line L has a function of producing a mounting board in which components are mounted on the board. Note that the component mounting line L is a group of production apparatuses connected via the communication network 2, and the production apparatuses do not have to be physically connected to each other.
  • the substrate supply device M1 includes a storage unit such as a rack for storing a plurality of substrates, and performs a substrate supply operation of supplying the substrates taken out from the storage unit to downstream devices.
  • the printing apparatus M2 is a production apparatus that performs a solder printing operation for printing paste-like solder on a board brought in from the upstream side through a screen mask attached to a printing operation section.
  • the printing apparatus M2 brings the substrate into contact with a screen mask having a plurality of openings, moves the squeegee in contact with the screen mask, and pushes the solder supplied onto the screen mask into the openings, thereby allowing the substrate to adhere to the solder.
  • Print solder is a production apparatus that performs a solder printing operation for printing paste-like solder on a board brought in from the upstream side through a screen mask attached to a printing operation section.
  • the printing apparatus M2 brings the substrate into contact with a screen mask having a plurality of openings, moves the s
  • the printing device M2 is equipped with a cleaning section that periodically removes solder adhering to the surface of the screen mask that contacts the substrate.
  • the printing device M2 also includes a camera, a viscosity detection sensor, a flatness detection sensor, and a camera for observing the surface state and flatness of the screen mask, the viscosity of the solder supplied onto the screen mask, and the like.
  • a pressure sensor or the like is provided for detecting
  • the printer M2 uses a camera and various sensors (viscosity detection sensor, pressure sensor, etc.) during the solder printing operation to detect the surface condition of the screen mask, the viscosity of the solder, the time the solder is exposed to the air, the number of times the squeegee moves, and the squeegee. Monitor movement time, screen mask flatness, etc. A monitoring result is sent to the management computer 3 .
  • a screen mask with openings for depositing solder on the board, a squeegee that moves on the screen mask and pushes solder into the openings, a cleaning part that cleans the solder adhering to the surface of the screen mask that comes into contact with the board, a conveyor that transports the board, etc. maintenance is performed at a predetermined timing in order to maintain solder print quality and productivity at a constant level. That is, in the printing apparatus M2, the screen mask, squeegee, and cleaning section are subject to maintenance.
  • the execution date and time of the maintenance work are set by the management computer 3 based on the monitoring result of the state of the maintenance target, as will be described later.
  • the print inspection device M3 is a production device that performs print inspection work for inspecting the state of solder printed on a board by a print inspection work unit including a solder inspection camera and various sensors.
  • the monitoring results, such as the surface state of the solder-deposited board inspected by the print inspection device M3, are sent to the management computer 3.
  • the component mounters M4 to M8 perform component mounting work of picking up components supplied by a component supply device such as a tape feeder or tray feeder with a nozzle attached to a mounting head, and mounting them on a board on which solder is printed. It is the production equipment that executes.
  • a tape feeder is a component supply device that supplies components by feeding a carrier tape that holds components.
  • a tray feeder is a component supply device that supplies components while exchanging trays that hold a plurality of components.
  • the component mounting apparatuses M4 to M8 are equipped with a component recognition camera that images the components held by the nozzles, a sensor that measures the flow rate of air flowing into the nozzles, a head camera that images the components supplied by the component supply device, and the like.
  • the component mounters M4 to M8 use cameras and various sensors during the component mounting operation to detect mounting errors by the mounting head, pickup errors in which the nozzle does not pick up the components normally, and whether the components are normally supplied by the component supply device. Monitor supply errors, etc.
  • a monitoring result is sent to the management computer 3 .
  • the mounting head that mounts components on the board, the nozzle that holds the components on the mounting head, the component supply device that supplies components to the mounting head, the conveyor that transports the board, etc. ensure the quality and productivity of component mounting at a certain level.
  • maintenance is performed at a predetermined timing. That is, in the component mounting apparatuses M4 to M8, the mounting heads, nozzles, and component supply devices are subject to maintenance.
  • the execution date and time of the maintenance work are set by the management computer 3 based on the monitoring result of the state of the maintenance target, as will be described later.
  • the component mounting line L is not limited to a configuration having five component mounting apparatuses M4 to M8, and may have one to four component mounting apparatuses M4 to M8 or six or more. good.
  • the mounting inspection apparatus M9 is a production apparatus that performs a mounting inspection work for inspecting the state of components mounted on a board by a mounting inspection working section including a mounting inspection camera. A monitoring result such as a mounting error where a component is not mounted at a predetermined position on the substrate inspected by the mounting inspection device M9 is transmitted to the management computer 3.
  • the reflow device M10 heats the board carried into the device by the board heating unit, hardens the solder on the board, and performs a board heating operation of joining the electrode part of the board and the component.
  • the substrate recovery device M11 includes a storage unit such as a rack for storing a plurality of substrates, and performs a substrate recovery operation of receiving substrates carried out by an upstream device and recovering them in the storage unit.
  • the management computer 3 has the function of creating data and parameters necessary for the operation of the production equipment provided in the component mounting line L and transmitting them to each production equipment.
  • the management computer 3 also has a function of collecting monitoring results of the status of maintenance objects from a plurality of production apparatuses provided on the component mounting line L and creating a maintenance work plan for the maintenance objects.
  • the component mounting line L provided in the component mounting system 1 does not need to be one, and may be two or more.
  • FIG. 2 is a block diagram showing the configuration of the information processing system of the management computer 3 according to one embodiment of the present disclosure.
  • monitoring results of the status of maintenance objects are collected from the production devices (printing device M2, print inspection device M3, component mounting devices M4 to M8, and mounting inspection device M9), and production A configuration for creating a maintenance work plan for a plurality of maintenance targets provided in the devices (the printing device M2 and the component mounting devices M4 to M8) will be described.
  • creation of a maintenance work plan in the case of performing maintenance work on a plurality of production apparatuses included in the component mounting line L at the date and time when the production of mounted boards on the component mounting line L is stopped will be described.
  • the management computer 3 includes an input section 31, a display section 32, and a communication section 33 in addition to a processing section 20 and a storage section 24 that is a storage device.
  • the processing unit 20 is a data processing device such as a CPU (Central Processing Unit), and includes a monitoring unit 21, a maintenance extraction unit 22, and a maintenance setting unit 23 as internal processing units.
  • the management computer 3 does not need to be composed of one computer, and may be composed of a plurality of devices. For example, all or part of the storage unit and processing unit may be provided in the cloud via a server.
  • the input unit 31 is an input device such as a keyboard, touch panel, mouse, etc., and is used for inputting operation commands and data.
  • the display unit 32 is a display device such as a liquid crystal panel, and displays various data stored in the storage unit 24 as well as various information such as an operation screen and an input screen for operation by the input unit 31 .
  • the communication unit 33 is a communication interface, and communicates with the production devices (printing device M2, print inspection device M3, component mounting devices M4 to M8, mounting inspection device M9, etc.) constituting the component mounting line L via the communication network 2. send and receive data between the production devices (printing device M2, print inspection device M3, component mounting devices M4 to M8, mounting inspection device M9, etc.) constituting the component mounting line L via the communication network 2. send and receive data between the production devices (printing device M2, print inspection device M3, component mounting devices M4 to M8, mounting inspection device M9, etc.) constituting the component mounting line L via the communication network 2. send and receive data between the production devices (printing device M2,
  • the storage unit 24 stores a production plan 25, monitoring result information 26, maintenance target information 27, maintenance work information 28, resource information 29, a maintenance work plan 30, and the like.
  • the production plan 25 includes the order of production of mounted boards (board types) scheduled to be produced in the component mounting line L, the scheduled production start time, the scheduled production end time, and the changeover time, as well as the production of mounted boards mounted on the production equipment. It includes information specifying components (maintenance targets) such as screen masks and mounting heads used in the product, and usage position information.
  • the monitoring unit 21 monitors the state of the maintenance target of the production equipment during the production of the mounting board, and stores it in the storage unit 24 as the monitoring result information 26 .
  • the surface condition of the screen mask, the viscosity of the solder, the exposure time of the solder, the number of squeegee movements, the squeegee movement time, the flatness of the screen mask, and the like are collected as monitoring results from the printing apparatus M2. Further, from the printing inspection device M3, the surface state of the board on which the solder is deposited (printed) by the printing device M2 is collected as a monitoring result.
  • the maintenance target information 27 includes, for each maintenance target used in the component mounting line L, information specifying the maintenance target, location (mounting position of production equipment, storage position, etc.), cumulative usage time, cumulative usage The number of times, maintenance history, etc. are stored.
  • the maintenance extraction unit 22 determines the maintenance deadline and maintenance content of the maintenance target based on the monitoring result information 26 (monitoring result of the state of the maintenance target), the maintenance target information 27 and the maintenance work information 28 . Further, the maintenance extraction unit 22 extracts selected maintenance targets to be subjected to maintenance work within a predetermined period (for example, within three days) from among the plurality of maintenance targets based on the determined maintenance time limit and maintenance content.
  • FIG. 3 is an explanatory diagram of an example of maintenance work information 28 used for maintenance support by the management computer 3 according to an embodiment of the present disclosure.
  • the maintenance work information 28 includes maintenance targets 40, work types 41, work hours 42, resources 43, degrees of impact 44, work contents 45, usage limits 46, and the like.
  • maintenance targets 40 a conveyor provided in the production apparatus, a tape feeder (feeder) used by being attached to the component mounting apparatuses M4 to M8, a mounting head, and a nozzle are shown. Inspection, cleaning, replacement, and lubrication are indicated as work types 41 in relation to the maintenance target 40 .
  • a work time 42 is a standard time required for each maintenance work. For the work time 42, for example, an average value, a median value, a mode value, or the like of past work times of the maintenance work of the work type 41 of the maintenance target 40 is set.
  • the resource 43 is resource information required for maintenance work of the work type 41 of the maintenance target 40 .
  • "Unnecessary" of the resource 43 indicates that the maintenance work can be performed by the cameras and sensors provided in the production apparatus and the maintenance unit provided in the production apparatus, and no additional resource is required.
  • the resource 43 "worker” indicates that a worker who performs maintenance work is required, and "jig” indicates that a jig commonly used for maintenance work is required. indicates that a commonly used maintenance device is required for maintenance work.
  • the term “worker” includes carrying out maintenance work by the worker and transporting jigs and maintenance objects by the worker.
  • the "worker” may include a person other than a person, such as an automatic guided vehicle that transports jigs and maintenance objects.
  • the degree of influence 44 indicates the possible influence on production when the maintenance work of the work type 41 of the maintenance target 40 is not completed within the maintenance deadline and is continuously used for the production of mounting boards. shown in stages. That is, the degree of influence 44 indicates that the influence is large when the maintenance work related to the maintenance content (the work type 41 of the maintenance target 40) cannot be performed in the order of "A", "B", and "C". It should be noted that the degree of influence 44 does not have to be in three stages, it may be in two stages, or in four stages or more, and the stages may be indicated by numerical values, color coding, etc., in addition to the symbols.
  • the work content 45 indicates the content of the maintenance work.
  • the usage limit 46 indicates the usage limit time or the usage limit number of times when the maintenance work of the work type 41 of the maintenance target 40 is used from the previous maintenance work. In this way, in the maintenance work information 28, the maintenance content is defined by the maintenance target 40 and the work type 41.
  • the maintenance extraction unit 22 extracts the periodical maintenance of the maintenance target based on the cumulative usage time (cumulative number of times of use) and maintenance history of the maintenance target included in the maintenance target information 27 and the usage limit 46 of the maintenance work information 28 . Calculate deadlines. Further, the maintenance extracting unit 22 calculates an irregular maintenance deadline for the maintenance target from the increasing tendency of the error rate included in the monitoring result information 26 . For example, irregular maintenance of the work type 41 of "cleaning" is detected when dust adhesion is suspected due to an increase in the error rate. Then, the maintenance extraction unit 22 determines the shorter one of the regular maintenance deadline and the irregular maintenance deadline as the maintenance deadline, and extracts the selected maintenance target.
  • the maintenance setting unit 23 extracts the non-use time of the maintenance target based on the location of the maintenance target (production equipment, storage, etc.) included in the production plan 25 and the maintenance target information 27. Then, the maintenance setting unit 23 allocates the selected maintenance target maintenance work extracted by the maintenance extracting unit 22 to the non-use time. That is, the maintenance setting unit 23 sets the execution date and time of the maintenance work for the selected maintenance target based on the maintenance time limit and maintenance content extracted by the maintenance extracting unit 22 .
  • FIG. 4A is an explanatory diagram of an example of a production plan used for maintenance support by the management computer 3 according to one embodiment of the present disclosure.
  • FIG. 4B is an explanatory diagram of an example of allocation of selected maintenance targets used in maintenance support by the management computer 3 according to an embodiment of the present disclosure.
  • the non-use time is the time when the maintenance target is not being used by the production equipment in operation.
  • the setup changeover time T12 time T1 to time T2 of setup 1 scheduled between time T1 and time T2 when the mounting board produced by the component mounting line L is switched from board type 1 to board type 2 is , is the non-use time for maintenance used in the production equipment of the component mounting line L.
  • the setup change time T12 of the setup 1 is a non-use time. Also, for the nozzle N01 of the component mounting apparatus M4 used for production of the board type 1 and the board type 2, the setup change time T12 of the setup 1 is a non-use time.
  • the production time T01 (time T0 to time T1) for the board type 1, the setup change time T12 for the setup 1, and the production time for the board type 2 are T23 (time T2 to time T3) and setup change time T34 of setup 2 (time T3 to time T4) are non-use times.
  • the nozzle N02 is a replacement member that can be replaced with a nozzle of the same type or with the same function during the non-use time period T01 for the production time T01 for the substrate type 1 and T23 for the production time T23 for the substrate type 2.
  • the maintenance setting unit 23 creates replacement member presence/absence information based on the production plan 25 for producing the mounting board (product) and the maintenance target information 27 .
  • the maintenance setting unit 23 assigns selected maintenance targets to be worked on at the implementation date and time in ascending order of maintenance time limit.
  • the maintenance period is shorter in the order of the conveyor M5F and the nozzle N01.
  • Conveyor M5F is extracted as a selected maintenance target requiring maintenance work whose work type 41 is "cleaning”.
  • the nozzle N01 is extracted as a selected maintenance target requiring maintenance work whose work type 41 is "refueling”.
  • the maintenance setting unit 23 sets the implementation date and time based on the worker information (resource information 29) that performs the maintenance work related to the maintenance content of the selected maintenance target.
  • the worker information source information 29
  • the maintenance setting unit 23 sets the execution date and time so that the maintenance work of "cleaning" of the conveyor M5F is first performed at the setup change time T12 of the setup 1, and then the maintenance work of "lubrication” of the nozzle N01 is performed. (arrow a).
  • the maintenance setting unit 23 sets the following based on the work time 42 (20 minutes) for "cleaning" of the conveyor M5F and the work time 42 (15 minutes) for "lubrication” of the nozzle N01 included in the maintenance work information 28. , whether or not the "cleaning" maintenance work for the conveyor M5F and the "lubrication” maintenance work for the nozzle N01 will be completed within the setup change time T12 of setup 1. For example, if the setup changeover time T12 of setup 1 is 40 minutes, the maintenance setting unit 23 determines that these maintenance operations can be completed within the setup changeover time T12, and determines the implementation date and time. In this manner, the maintenance setting unit 23 sets the execution date and time based on the work hours 42 (past maintenance work hours) related to the maintenance content of the selected maintenance target.
  • FIG. 5A is an explanatory diagram of an example of a production plan used for maintenance support by the management computer 3 according to one embodiment of the present disclosure.
  • FIG. 5B is an explanatory diagram of an example of assignment of selected maintenance targets used in maintenance support by the management computer 3 according to an embodiment of the present disclosure.
  • the setup change time T12a of the setup 1 is 30 minutes, and the maintenance work of "cleaning" of the conveyor M5F is completed within the setup change time T12a of the setup 1, but the maintenance work of "lubrication” of the nozzle N01 is completed within the setup change time T12a of the setup 1.
  • An example is shown in which the work is not completed within the setup change time T12a.
  • the maintenance setting unit 23 sets the date and time of the maintenance work "cleaning" for the conveyor M5F to the setup change time T12a of the setup 1, and resets the date and time of the maintenance work "lubrication” for the nozzle N01.
  • the maintenance work of "lubrication" of the nozzle N01 is set to the setup change time T34a of the setup 2 (arrow b).
  • the priority may be set according to the maintenance target and work type, and the order of maintenance work to be performed may be determined based on the priority.
  • "cleaning" of the conveyor has a higher priority than "lubrication" of the nozzle.
  • the priority setting may be set in advance by the production equipment manufacturer or the user who uses the production equipment, or may be set or updated in consideration of the stoppage of the production equipment due to the delay of the maintenance target work in the past. good too.
  • the maintenance setting unit 23 sets the maintenance work so as to replace the nozzle N01 with the nozzle N02, which is a replacement member having the same function, within the setup change time T12a of the setup 1 (arrow c).
  • the work time 42 for "replacement” of the nozzle N01 is "3 minutes", and even when combined with the work time 42 (20 minutes) for "cleaning" of the conveyor M5F, the work is completed within the setup change time T12a of setup 1. Therefore, the maintenance setting unit 23 sets the execution date and time of the maintenance work for “replacement” of the nozzle N01 to the setup change time T12a of the setup 1 .
  • the maintenance setting unit 23 sets the implementation date and time based on the presence/absence information of the replacement member (nozzle N02) having the same function as the selected maintenance target (nozzle N01). Further, when there is a selected maintenance target (nozzle N01) for which the set implementation date and time exceeds the maintenance term, the maintenance setting unit 23 replaces the selected maintenance target that exceeds the maintenance term with the maintenance target that does not exceed the maintenance term (nozzle N02). .
  • the maintenance setting unit 23 if there is no replacement member with the same function as the nozzle N01, the maintenance setting unit 23 resets the implementation date and time based on the degree of influence 44 when the nozzle N01 cannot be "lubricated”. .
  • the influence degree 44 of the "lubrication” of the nozzle N01 is "B"
  • the maintenance setting unit 23 sets the execution date and time of the maintenance work "lubrication" of the nozzle N01 to the setup change time T34a of the setup 2.
  • FIG. 6A is an explanatory diagram of an example of a production plan used for maintenance support by the management computer 3 according to one embodiment of the present disclosure.
  • FIG. 6B is an explanatory diagram of an example of assignment of selected maintenance targets used in maintenance support by the management computer 3 according to an embodiment of the present disclosure.
  • FIG. 6C is an explanatory diagram of an example of a modified production plan used for maintenance support by the management computer 3 according to one embodiment of the present disclosure.
  • FIGS. 6A to 6C show an example in which the setup change time T12b of setup 1 is 40 minutes, and the maintenance work for "replacement" of the conveyor M5F is not completed within the setup change time T12b of setup 1.
  • the maintenance setting unit 23 resets the implementation date and time based on the degree of influence 44 when the conveyor M5F cannot be "replaced".
  • the influence degree 44 of "replacement” of the conveyor M5F is "A"
  • problems such as the machine stopping due to an error may occur. expensive.
  • the maintenance setting unit 23 delays the start of production of the board type 2 from the time T2b to the time T2c so that the maintenance work of "exchange" of the conveyor M5F is completed during the changeover time T12c of the changed changeover 1. Change the production plan 25. Then, the maintenance setting unit 23 creates a maintenance work plan 30 in which the execution date and time of the maintenance work for "replacement" of the conveyor M5F is set to the setup change time T12c of the setup 1 after the change.
  • the maintenance setting unit 23 determines whether the selected maintenance target is reset the date and time of maintenance work. Then, if the degree of influence 44 in the case where the maintenance work for the selected maintenance target for which the set implementation date and time exceeds the maintenance deadline cannot be performed is large, the maintenance setting unit 23 sets the production schedule for producing the mounting board (product). Change plan 25.
  • the production plan 25 may be changed by the management computer 3, or if there is a separate production plan creation device for creating the production plan 25, information for changing the production plan 25 is sent from the management computer 3 to the production plan creation device. , the production planning device may change the production plan 25 and send the changed production plan 25 to the management computer 3 .
  • the maintenance setting unit 23 creates a maintenance work plan 30 for each work time and stores it in the storage unit 24 .
  • FIG. 7 is an explanatory diagram of an example of a maintenance plan created by the management computer 3 according to one embodiment of the present disclosure.
  • FIG. 7 is a maintenance work plan 30 of maintenance work to be performed at the setup change time T12 of setup 1 shown in FIG. 4B.
  • the maintenance work plan 30 stores a line number 50, an equipment ID 51, a unit ID 52, a maintenance location 53, a work type 54, and a work time 55 for each maintenance work to be selected for maintenance.
  • the line number 50, the equipment ID 51, and the unit ID 52 are information specifying the component mounting line L, the production apparatus, and the position within the production apparatus where the selected maintenance target is located.
  • the maintenance location 53 is information specifying a selected maintenance target.
  • the work type 54 is maintenance work content.
  • the working hours 55 are standard working hours for maintenance work.
  • a maintenance execution date 56 and maintenance work hours 57 are stored in the maintenance work plan 30 .
  • the maintenance execution date and time 56 and the maintenance work time 57 are the start date and time of the changeover time T12 of the setup 1 in which the maintenance work of "cleaning" of the conveyor M5F and the maintenance work of "lubrication" of the nozzle N01 are set. It is the total scheduled time for work.
  • the maintenance work plan 30 is transmitted to the mobile terminal possessed by the worker in charge of the maintenance work and displayed on the display unit of the mobile terminal when the date and time of the maintenance work comes.
  • FIG. 8 is a flow diagram of a maintenance support method according to one embodiment of the present disclosure.
  • the monitoring unit 21 monitors the status of maintenance targets (screen masks, squeegees, conveyors, tape feeders, mounting heads, nozzles, etc.) of production equipment (printing equipment M2, component mounters M4 to M8, etc.), and monitors the results. is stored in the storage unit 24 as the monitoring result information 26 (ST1: state monitoring step).
  • maintenance targets screen masks, squeegees, conveyors, tape feeders, mounting heads, nozzles, etc.
  • production equipment printing equipment M2, component mounters M4 to M8, etc.
  • the maintenance extracting unit 22 selects a plurality of maintenance targets based on the maintenance deadline (regular maintenance deadline, irregular maintenance deadline) based on the monitoring result of the state of the maintenance target (monitoring result information 26) and the maintenance content (work type 41). Selected maintenance targets to be subjected to maintenance work are extracted from among (ST2: target extraction step).
  • the maintenance setting unit 23 extracts the non-use time of the maintenance target based on the location of the maintenance target (production equipment, storage, etc.) included in the production plan 25 and the maintenance target information 27 (ST3: non-use time extraction process).
  • the maintenance setting unit 23 then allocates the maintenance work of the selected maintenance target extracted in the target extraction step (ST2) to the non-use time (implementation date and time) in ascending order of the maintenance deadline (ST4: target assignment step). . That is, in the target allocation step (ST4), the execution date and time of the maintenance work for the selected maintenance target is set based on the maintenance deadline and maintenance content.
  • the maintenance setting unit 23 determines whether or not all the assigned maintenance work will be completed during the non-use time (implementation date and time) (ST5: first determination step). That is, in the first determination step (ST5), it is determined whether or not there is a selected maintenance target whose scheduled implementation date and time exceeds the maintenance deadline.
  • the maintenance setting unit 23 causes the maintenance work of the selected maintenance target that has not been completed to be performed by other maintenance workers. Replace with the maintenance work to be maintained (ST6: target replacement step). Next, the maintenance setting unit 23 determines whether or not the replaced maintenance work will be completed during the non-use time (ST7: second determination step).
  • the maintenance setting unit 23 sets the maintenance work of "exchanging" the nozzle N01 with the nozzle N02 (replacement member) having the same function as the setup change time T12a of the setup 1 (ST6).
  • the maintenance setting unit 23 changes the production plan 25 based on the degree of influence 44 (ST8: production plan change step).
  • the "replacement" maintenance work for the conveyor M5F assigned to the setup change time T12b of setup 1 is not completed within the setup change time T12b (No in ST5).
  • Conveyor M5F does not have a replaceable maintenance target (No in ST6 and ST7).
  • the degree of influence 44 when the maintenance work of "replacement” of the conveyor M5F cannot be performed is "A” and the influence is large. Therefore, the maintenance setting section 23 changes the production plan 25 so that the time T2b at which the production of the board type 2 is started is set to the time T2c after the completion of the "replacement" maintenance work for the conveyor M5F (ST8).
  • the maintenance setting unit 23 creates a maintenance work plan 30 (see FIG. 7) and stores it in the storage unit 24 (ST9: maintenance work plan creation process).
  • the management computer 3 of the present embodiment selects maintenance work from among a plurality of maintenance targets based on the maintenance deadline and maintenance content based on the monitoring result of the state of the maintenance target (monitoring result information 26).
  • the maintenance support system prepares a maintenance work plan 30 for a plurality of maintenance targets provided in a production apparatus (printing apparatus M2, component mounting apparatuses M4 to M8).
  • the maintenance setting unit 23 determines whether the maintenance for the selected maintenance target is performed based on the degree of impact 44 when the maintenance work related to the maintenance content cannot be performed. Reset the date and time of work. This makes it possible to create a maintenance work plan 30 that has little impact on the production plan 25 .
  • the printing device M2 that prints solder on the board and the component mounting devices M4 to M8 that mount components on the board are used as production devices.
  • production equipment is a production equipment equipped in a semiconductor manufacturing line that manufactures semiconductor products (products), but it is a production equipment equipped in an assembly production line that assembles works (products) such as electrical machinery and general machinery. It may be a production device provided in a food processing line that produces processed food products.
  • the maintenance support system, maintenance support method, and maintenance support program of the present disclosure have the effect of being able to create maintenance work plans that have little impact on production plans, and are useful in the field of mounting components on substrates.
  • management computer maintenance support system
  • processing unit 21 monitoring unit 22 maintenance extraction unit 23 maintenance setting unit 24 storage unit 25 production plan 26 monitoring result information 27 maintenance target information 28 maintenance work information 29 resource information 30 maintenance work plan 31 input unit 32 display unit 33 communication unit 40 maintenance Target 41 Work type 42 Work time 43 Resource 44 Influence degree 45 Work content 46 Usage limit 50 Line number 51 Equipment ID 52 Unit ID 53 Maintenance location 54 Work type 55 Work time 56 Maintenance date and time 57 Maintenance work time L Component mounting line M1 Board supply device M2 Printer (production device) M3 to M8 Component mounting equipment (production equipment) M9 Mounting inspection device M10 Reflow device M11 Board recovery device

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PCT/JP2022/037547 2021-11-08 2022-10-07 メンテナンス支援システムおよびメンテナンス支援方法ならびにメンテナンス支援プログラム WO2023079902A1 (ja)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009003517A (ja) * 2007-06-19 2009-01-08 Hitachi Ltd 保守管理支援装置およびその表示方法
JP2013012100A (ja) * 2011-06-30 2013-01-17 Olympus Corp 生産管理方法および生産管理システム
JP2017017174A (ja) * 2015-07-01 2017-01-19 パナソニックＩｐマネジメント株式会社 メンテナンス作業支援システム
JP2017194921A (ja) * 2016-04-22 2017-10-26 オムロン株式会社 生産ラインの管理装置
JP2020035808A (ja) * 2018-08-28 2020-03-05 ヤマハ発動機株式会社 作業管理装置及び作業管理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009003517A (ja) * 2007-06-19 2009-01-08 Hitachi Ltd 保守管理支援装置およびその表示方法
JP2013012100A (ja) * 2011-06-30 2013-01-17 Olympus Corp 生産管理方法および生産管理システム
JP2017017174A (ja) * 2015-07-01 2017-01-19 パナソニックＩｐマネジメント株式会社 メンテナンス作業支援システム
JP2017194921A (ja) * 2016-04-22 2017-10-26 オムロン株式会社 生産ラインの管理装置
JP2020035808A (ja) * 2018-08-28 2020-03-05 ヤマハ発動機株式会社 作業管理装置及び作業管理方法

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