WO2021059534A1 - シミュレーション装置およびシミュレーション方法 - Google Patents
シミュレーション装置およびシミュレーション方法 Download PDFInfo
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- WO2021059534A1 WO2021059534A1 PCT/JP2019/038385 JP2019038385W WO2021059534A1 WO 2021059534 A1 WO2021059534 A1 WO 2021059534A1 JP 2019038385 W JP2019038385 W JP 2019038385W WO 2021059534 A1 WO2021059534 A1 WO 2021059534A1
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- 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
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/085—Production planning, e.g. of allocation of products to machines, of mounting sequences at machine or facility level
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- 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
- H05K13/02—Feeding of components
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- 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
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/086—Supply management, e.g. supply of components or of substrates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- This specification discloses a technique relating to a simulation apparatus and a simulation method.
- the component mounting line described in Patent Document 1 includes a component mounting machine, a feeder storage, and a replacement robot.
- the component mounting machine mounts the components supplied from the feeder on the board.
- the feeder storage stores the feeder that can be attached to and detached from the parts mounting machine.
- the exchange robot conveys the feeder and exchanges the feeder with the feeder storage and with the component mounting machine.
- the component mounting line described in Patent Document 1 is trying to automate the feeder supply operation of supplying the feeder stored in the feeder storage to the component mounting machine.
- the component mounting machine produces substrate products while receiving a feeder supplied by a replacement robot.
- the component mounting machine may stop the production of the substrate product. Therefore, there is a demand for grasping the production stop time of the component mounting machine due to the waiting time from the stop of the production of the board product by the component mounting machine to the supply of the feeder by the replacement robot.
- the present specification describes the suspension of production of the substrate working machine due to the waiting time from the suspension of the production of the substrate product by the substrate working machine to the supply of the article by the article moving device.
- a simulation device and a simulation method capable of calculating the time are disclosed.
- This specification discloses a simulation device including a simulation unit and a calculation unit.
- the simulated unit is the operating status of the board-to-board work machine that produces a board product by performing a predetermined work on the board, and the article movement that supplies the goods necessary for the production of the board product to the board-to-board work machine.
- the operating status of the device is simulated based on the production plan of the substrate product.
- the calculation unit is caused by a waiting time from when the production of the substrate product by the substrate working machine is stopped until the article is supplied by the article moving device. Calculate the production downtime of the board work machine.
- this specification discloses a simulation method including a simulation process and a calculation process.
- the operating status of the substrate working machine that produces a substrate product by performing a predetermined anti-board work on the substrate, and the moving of articles that supply the articles necessary for the production of the substrate product to the substrate working machine.
- the operating status of the device is simulated based on the production plan of the substrate product.
- the calculation step is caused by a waiting time from when the production of the substrate product by the substrate working machine is stopped until the article is supplied by the article moving device based on the simulation result by the simulation step. Calculate the production downtime of the board work machine.
- the simulation device includes a simulation unit and a calculation unit. Therefore, the simulation device can calculate the production stop time of the substrate working machine due to the waiting time from the stop of the production of the substrate product by the substrate working machine to the supply of the article by the article moving device. .. The same can be said for the simulation device as described above for the simulation method.
- the substrate production line 1 has at least one component mounting machine 10 (four in the figure), a replacement system 30, an article moving device 40, and storage. It includes a device 5 and a line control computer 6.
- the four component mounting machines 10 are installed along the transport direction of the substrate 90 shown in FIG.
- the component mounting machine 10 is included in the board-to-board work machine WM that performs a predetermined work on the board 90.
- the board-to-board work by the component mounting machine 10 includes loading and unloading work of the board 90, collecting work of parts, mounting work, and the like.
- a cassette type feeder 20 is detachably provided on the component mounting machine 10.
- a storage device 5 used for storing the feeder 20 is installed on the board carry-in side of the board production line 1 (on the left side of the paper in FIG. 1). Further, the substrate production line 1 is provided with an exchange system 30 and an article moving device 40, and performs replenishment work, exchange work, and collection work of the feeder 20.
- the configuration of the substrate production line 1 can be appropriately added or changed according to, for example, the type of substrate product to be produced. Specifically, for example, a WM for a substrate working machine such as a solder printing machine, an inspection machine, and a reflow furnace can be appropriately installed in the substrate production line 1.
- Each device constituting the board production line 1 is configured to be able to input / output various data to and from the line control computer 6 via a network.
- the storage device 5 includes a plurality of slots.
- the storage device 5 stocks feeders 20 equipped in a plurality of slots.
- the feeder 20 installed in the slot of the storage device 5 is in a state of being able to communicate with the line control computer 6.
- the slot of the storage device 5 and the identification code of the feeder 20 provided in the slot are associated with each other and recorded in the line control computer 6.
- the line control computer 6 monitors the operating status of the board production line 1 and collectively controls the board work machine WM such as the component mounting machine 10, the replacement system 30, the article moving device 40, and the storage device 5.
- the line control computer 6 stores various data for controlling the board work machine WM, the exchange system 30, the article moving device 40, and the storage device 5.
- the line control computer 6 sends out various data such as a control program when, for example, the component mounting machine 10 executes a component mounting process.
- each of the four component mounting machines 10 includes a substrate transfer device 11, a component supply device 12, and a head drive device 13.
- the horizontal width direction of the component mounting machine 10 is the X direction
- the horizontal depth direction of the component mounting machine 10 is the Y direction
- the vertical direction perpendicular to the X direction and the Y direction is the Z direction.
- the board transfer device 11 is composed of, for example, a belt conveyor and a positioning device.
- the substrate transfer device 11 sequentially conveys the substrate 90 in the transfer direction, and positions the substrate 90 at a predetermined position in the machine.
- the board transfer device 11 carries the board 90 out of the component mounting machine 10 after the mounting process by the component mounting machine 10 is completed.
- the component supply device 12 supplies components to be mounted on the substrate 90.
- the component supply device 12 includes a first slot 121 and a second slot 122 that can be equipped with a plurality of feeders 20.
- the first slot 121 is arranged in the upper part on the front side of the component mounting machine 10, and holds the equipped feeder 20 operably.
- the operation of the feeder 20 mounted in the first slot 121 is controlled in the mounting process by the component mounting machine 10, and the components are supplied by the take-out section provided at the specified position on the upper portion of the feeder 20.
- the second slot 122 is arranged below the first slot 121 and stocks the equipped feeder 20. That is, the second slot 122 preliminarily holds the feeder 20 used for production, or temporarily holds the used feeder 20 used for production. The replacement work of the feeder 20 between the first slot 121 and the second slot 122 is performed by the article moving device 40.
- the feeder 20 when the feeder 20 is installed in the first slot 121 or the second slot 122 of the component supply device 12, electric power is supplied from the component mounting machine 10 via the connector. Then, the feeder 20 is in a state of being able to communicate with the component mounting machine 10.
- the feeder 20 mounted in the first slot 121 controls the feeding operation of the carrier tape accommodating the parts based on a control command or the like by the parts mounting machine 10. As a result, the feeder 20 supplies the parts so that the parts can be collected by the holding member of the mounting head 132 at the take-out portion provided on the upper portion of the feeder 20.
- the head drive device 13 moves the moving table 131 in the horizontal direction (X direction and Y direction) by a linear motion mechanism.
- the mounting head 132 is replaceably (detachably) fixed to the moving table 131 by a clamp member.
- the mounting head 132 is integrally moved in the XY direction with the moving table 131 by the linear motion mechanism of the head driving device 13.
- the mounting head 132 collects the parts supplied by the parts supply device 12 by the holding member.
- the holding member for example, a suction nozzle that sucks the component by the supplied negative pressure air, a chuck that grips the component, or the like can be used.
- the mounting head 132 holds the holding member so as to be movable in the Z direction and rotatably around the Q axis parallel to the Z axis.
- the mounting head 132 adjusts the position and angle of the holding member according to the posture of the collected parts. Then, the mounting head 132 mounts the component at the mounting position of the board 90 instructed by the control program.
- the total time required for the predetermined number of cycles of the pick-and-place cycle of the above parts and the time required for loading and unloading the substrate 90 is the cycle time per substrate 90.
- the holding member provided on the mounting head 132 can be appropriately changed according to the type of the component in the mounting process for mounting the component on the substrate 90.
- the component mounting machine 10 mounts the suction nozzle housed in the nozzle station on the mounting head 132, for example, when the suction nozzle used in the mounting process to be executed is not mounted on the mounting head 132.
- the nozzle station is detachably installed at a predetermined position in the component mounting machine 10.
- the feeder 20 includes a feeder main body 21 and a drive device 22.
- the feeder body 21 of the present embodiment is formed in a flat box shape.
- the feeder body 21 detachably (replaceably) holds a reel around which a carrier tape accommodating a large number of parts is wound.
- the drive device 22 includes a sprocket that engages with a feed hole provided in the carrier tape. The drive device 22 rotates the sprocket to feed and move the carrier tape.
- the operation of the drive device 22 of the feeder 20 is controlled by a control device (not shown).
- a control device not shown.
- the control device of the feeder 20 is in a state of being able to communicate with the component mounting machine 10.
- the above for the first slot 121 can be said for the second slot 122 as well.
- the component mounting machine 10 can detect the replenishment and recovery of the feeder 20 in the first slot 121 and the second slot 122.
- the exchange system 30 includes a first rail 31 and a second rail 32.
- the first rail 31 and the second rail 32 form a travel path for the article moving device 40.
- the first rail 31 is provided along the arrangement direction of the four component mounting machines 10, and is provided between the first slot 121 and the second slot 122 in the vertical direction (Z direction).
- the second rail 32 is provided along the arrangement direction of the four component mounting machines 10, and is provided below the second slot 122 in the vertical direction (Z direction).
- the first rail 31 and the second rail 32 extend over substantially the entire area in the transport direction of the substrate 90 in the substrate production line 1.
- the article moving device 40 is provided so as to be able to travel along a traveling path formed by the first rail 31 and the second rail 32.
- the article moving device 40 receives power from the power transmission unit by non-contact power supply, for example, via a power reception unit provided opposite to the power transmission unit provided on the first rail 31.
- the electric power received by the power receiving unit is used for traveling, predetermined work, and the like of the article moving device 40 via the power receiving circuit.
- the article moving device 40 detects a position (current position) on the traveling path by, for example, a position detecting device.
- a position detecting device For example, an optical detection method, a detection method using electromagnetic induction, or the like can be applied to the position detection device.
- the above-mentioned "predetermined work” includes a replacement work of exchanging the device DD0 detachably provided on the board-to-board work machine WM such as the component mounting machine 10 with the board-to-board work machine WM.
- the article moving device 40 uses the feeder 20 for supplying the parts mounted on the board 90 as the device DD0, between the device mounting machine 10 which is the board working machine WM, and the storage device 5. The feeder 20 is replaced between them.
- the article moving device 40 conveys the feeder 20 from the storage device 5 to the first slot 121 or the second slot 122 of the component mounting machine 10 to replenish the feeder 20. Further, the article moving device 40 replaces the feeder 20 between the first slot 121 and the second slot 122 of the component mounting machine 10. Further, the article moving device 40 transports the unnecessary feeder 20 from the component mounting machine 10 to the storage device 5 to collect the feeder 20.
- the article moving device 40 includes at least one holding unit 41 (two in the figure) and a control device 42.
- each of the two holding portions 41 can clamp a plurality of (two in the figure) feeders 20 at the same time, and can hold a plurality of (two) feeders 20 at the same time.
- each of the two holding portions 41 can be independently moved along the attachment / detachment direction (Y direction in the present embodiment) of the feeder 20 by, for example, a linear motion mechanism, and a plurality (two) feeders can be moved. 20 can be moved along the Y direction at the same time.
- the two holding portions 41 can be integrally moved in the vertical direction (Z direction) by, for example, a linear motion mechanism, and a plurality (four) feeders 20 can be moved in the Z direction at the same time. ..
- the article moving device 40 may include, for example, a plurality (four) holding portions 41.
- each of the plurality (4) holding portions 41 can clamp one feeder 20 to independently move the plurality (4) feeders 20 in the Y direction and the Z direction.
- the form of the holding portion 41 is not limited to the clamp mechanism and the linear motion mechanism, and may take various forms.
- the holding portion 41 may include a protruding portion that can be fitted with a hole provided in the feeder 20. In this case, the feeder 20 is held by fitting the protruding portion of the holding portion 41 with the hole portion of the feeder 20.
- the control device 42 includes a known arithmetic unit and a storage device, and constitutes a control circuit (both are not shown).
- the control device 42 is communicably connected to the four component mounting machines 10, the replacement system 30, the storage device 5, and the line control computer 6.
- the control device 42 controls the traveling of the article moving device 40, the operation of the two holding units 41, and the like. With the above configuration, the article moving device 40 can move to a predetermined position along the first rail 31 and the second rail 32, and can replace the feeder 20 at the stop position.
- the component mounting machine 10 produces board products while receiving the supply of the feeder 20 by the article moving device 40.
- the component mounting machine 10 may stop the production of the substrate product. Therefore, there is a request to grasp the production stop time TW0 of the component mounting machine 10 due to the waiting time from the stop of the production of the substrate product by the component mounting machine 10 until the feeder 20 is supplied by the article moving device 40. .. Therefore, in the present embodiment, the simulation device 50 is provided.
- the simulation device 50 can be provided in various computers, control devices, and the like. As shown in FIG. 5, the simulation device 50 of the present embodiment is provided in the computer 7.
- the computer 7 includes a known arithmetic unit, a storage device, an input device, and an output device.
- the simulation device 50 can be formed, for example, on a line control computer 6, a host computer that manages a plurality of board production lines 1, a cloud, or the like.
- the simulation device 50 includes a simulation unit 51 and a calculation unit 52 when regarded as a control block.
- the simulation device 50 executes arithmetic processing according to the flowchart shown in FIG.
- the simulation unit 51 performs the processing and determination shown in steps S11 to S16.
- the calculation unit 52 performs the process shown in step S17.
- Simulation unit 51 The simulating unit 51 supplies the substrate 90 with the operating status of the substrate working machine WM for producing the substrate product and the article AR0 necessary for producing the substrate product to the substrate working machine WM.
- the operating status of the article moving device 40 is simulated based on the production plan of the substrate product (steps S11 to S16 shown in FIG. 6).
- the substrate production line 1 of the present embodiment includes a substrate working machine WM including a component mounting machine 10, an article moving device 40, and a storage device 5.
- the storage device 5 can store not only the feeder 20 but also the article AR0 necessary for the production of the substrate product by the substrate working machine WM.
- the device DD0 detachably provided on the above-mentioned anti-board working machine WM is included in the article AR0.
- the anti-board working machine WM is the component mounting machine 10, for example, the feeder 20, the reel or component tray for accommodating a plurality of components, the mounting head 132, the holding member (suction nozzle, chuck, etc.), the nozzle station, etc. are the devices DD0.
- the anti-board working machine WM is a solder printing machine that prints solder on the board 90, for example, a solder cup, a mask, a squeegee, a dispense head, and the like are included in the device DD0.
- the anti-board working machine WM is an inspection machine, for example, an inspection head and the like are included in the device DD0.
- the inspection machine includes a solder inspection machine that inspects the solder printed on the substrate 90, an appearance inspection machine that inspects the parts mounted on the substrate 90, and the like.
- the article moving device 40 supplies not only the feeder 20 but also the article AR0 stored in the storage device 5 to the substrate working machine WM, and stores the article AR0 that is no longer needed by the substrate working machine WM. It can be collected in 5.
- the component mounting machine 10 which is the board working machine WM includes a first slot 121 and a second slot 122.
- the other anti-board working machine WM can also include the first slot 121 and the second slot 122, and the article AR0 to be held is not limited to the feeder 20.
- the board working machine WM temporarily holds the first slot 121 that replaceably holds the article AR0 necessary for the production of the substrate product and the article AR0 that can preliminarily hold the article AR0 or collect the article AR0.
- a possible second slot 122 can be provided.
- the article moving device 40 can exchange articles AR0 between the first slot 121 and the second slot 122.
- the line control computer 6 includes a storage device 6DS.
- a storage device 6DS for example, a magnetic storage device such as a hard disk device, a storage device using a semiconductor element such as a flash memory, or the like can be used.
- the storage device 6DS stores the production plan of the substrate product.
- the simulation unit 51 can acquire a production plan from the management device LC0 that manages the production plan and simulate it based on the acquired production plan.
- the line control computer 6 corresponds to the management device LC0. As a result, the simulation unit 51 can easily set the production plan included in the simulation conditions.
- the simulation unit 51 can make the operator input the production plan and perform the simulation based on the production plan input by the operator.
- the operator can individually set the production plan included in the simulation conditions, and can easily change the simulation conditions.
- the simulation unit 51 may acquire a production plan from the management device LC0, have the operator change a part of the acquired production plan, and set simulation conditions including the production plan.
- the production plan of the substrate product includes at least the type and the planned production number of the substrate product, and the type and the required number of the article AR0.
- the substrate working machine WM produces substrate products while receiving the supply of article AR0 by the article moving device 40. Therefore, in order for the simulation unit 51 to simulate the operating status of the board working machine WM and the operating status of the article moving device 40, at least the above information is required as simulation conditions.
- the board production line 1 shown in FIG. 1 is provided with four component mounting machines 10. Since the substrate 90 is sequentially conveyed to the four component mounting machines 10, the production time of the board product by the component mounting machine 10 is affected by the component mounting machine 10 having the longest production time among the four component mounting machines 10. receive. Similarly, the production time of substrate products is affected by upstream solder printing machines, solder inspection machines, and the like. In addition, the production time of substrate products is affected by the downstream reflow furnace, visual inspection machine, and the like. Therefore, it is preferable that the simulation conditions include the production time required for the substrate working machine WM, which becomes a bottleneck. For example, when the anti-board working machine WM is the component mounting machine 10, the production required time can be expressed by using the cycle time.
- the setup change is performed.
- the production stop time TW0 of the component mounting machine 10 that occurs is different. Therefore, it is preferable that the simulation conditions include a method of changing the setup of the substrate working machine WM.
- the setup change is performed, for example, when the production plan of the substrate product is switched, the configuration of each device (including the article AR0) of the substrate working machine WM is changed as necessary, and the setup is changed as necessary.
- the control program that drives and controls the board work machine WM is changed.
- the supply of the article AR0 can be announced in advance before the article AR0 is required for the production of the substrate product, and the article AR0 can be preliminarily held in the second slot 122 of the board working machine WM.
- the type and number of articles AR0 that can be prepared in the second slot 122 in advance vary depending on the time difference between the scheduled time required for the article AR0 to produce the substrate product and the advance notice time for announcing the supply of the article AR0.
- the operating status of the board-to-board working machine WM and the operating status of the article moving device 40 may fluctuate. Therefore, it is preferable that the simulation condition includes a notice time for notifying the supply of the article AR0.
- the above can be said for the shortage of supplies supplied from the article AR0.
- the article AR0 is the feeder 20
- the parts housed in the carrier tape wound on the reel correspond to the supplied items.
- the simulation condition may include a notice time for notifying the shortage of parts supplied from the feeder 20. This also applies, for example, when the article AR0 is a component tray, a nozzle station, a solder cup, or the like.
- the scheduled time required for the production of the substrate product for the supplied article AR0 varies depending on the initial value of the remaining number of the supplied items supplied from the article AR0. Therefore, it is preferable that the simulation conditions include the initial value of the remaining number of supplies supplied from the article AR0.
- the initial value of the remaining number of the supplied items can be set for each tape width of the carrier tape, for example. The larger the tape width, the larger the size of the housed parts, and the smaller the number of housed parts tends to be.
- the order of use and frequency of use of the device DD0 may change depending on the initial arrangement in the first slot 121 and the second slot 122 of the device DD0 that is detachably provided on the board working machine WM. Therefore, it is preferable that the simulation conditions include the initial arrangement in the first slot 121 and the second slot 122 of the device DD0 that is detachably provided on the board working machine WM.
- the simulation unit 51 can perform a simulation close to the actual operating status of the board-to-board working machine WM and the operating status of the article moving device 40.
- the simulation unit 51 simulates the operating status of the substrate working machine WM and the operating status of the article moving device 40 based on simulation conditions including the production plan of the substrate product.
- the simulation unit 51 first performs the initial setting of the simulation (step S11 shown in FIG. 6).
- the initial setting includes the setting of the simulation conditions described above, the supply plan of the article AR0, the supply plan of the supplied article supplied from the article AR0, the creation of the collection plan of the article AR0 that is no longer needed, and the like.
- the simulation unit 51 creates a supply plan for the feeder 20 which is the article AR0, a supply plan for the parts supplied from the feeder 20, and a recovery plan for the feeder 20 which is no longer needed.
- the parts supply plan includes a feeder 20 for supplying parts, a holding member for collecting parts, a mounting position on a board 90 for mounting parts, an order for supplying parts (order for mounting parts on a board 90), and a supply of parts. Includes numbers and more.
- the parts supply plan is optimized to optimize the cycle time based on the board product production plan. The optimization method is not limited, and a known method can be used.
- the supply or collection plan for the feeder 20 includes the component mounting machine 10, the position in the first slot 121 or the second slot 122 to supply or collect, the timing and order of supplying or collecting the feeder 20, the number of feeders 20, and the like. Is done.
- the supply plan or collection plan of the feeder 20 is optimized so that, for example, the number of feeders 20 to be supplied or collected at one time, the amount of movement of the article moving device 40, the number of movements, and the like are optimized.
- the optimization method is not limited, and a known method can be used.
- the simulation unit 51 sequentially executes the supply plan of the article AR0, the supply plan of the supplied article, and the collection plan of the article AR0, and stores the execution time required for executing these plans in the storage device of the computer 7. (Step S12). Further, the simulation unit 51 calculates the remaining number of supplied items supplied from the article AR0 and stores the remaining number of supplied items in the storage device (step S13). In the present embodiment, the simulation unit 51 calculates the required time (operating time of the component mounting machine 10) each time the component is supplied by the component mounting machine 10 and the component is mounted on the substrate 90, and stores the component in the storage device. ..
- the simulation unit 51 calculates the required time (operating time of the article moving device 40) each time the feeder 20 is supplied, replaced, or collected, and is stored in the storage device. Further, each time a component is supplied from the feeder 20, the remaining number of components is reduced and stored in the storage device. When the remaining number of parts becomes zero, there is a shortage of parts to be supplied.
- the simulation unit 51 determines whether or not the production of the substrate product has been stopped due to the waiting time described later (step S14). In the present embodiment, when the feeder 20 required for the production of the substrate product is not installed in the first slot 121 (the setup change occurs), the simulation unit 51 suspends the production of the substrate product by the component mounting machine 10. Can be judged. Further, when the remaining number of parts supplied from the feeder 20 mounted in the first slot 121 becomes zero (insufficient parts, insufficient feeder 20), the simulation unit 51 is a board product by the component mounting machine 10. It can be determined that the production of the product has been stopped.
- step S14 When the production stop of the substrate product occurs (Yes in step S14), the simulation unit 51 calculates the production stop time TW0 of the board work machine WM and stores the production stop time TW0 in the storage device (step). S15). When the production of the substrate product is continued (No in step S14), the simulation unit 51 does not execute the process shown in step S15. Next, the simulation unit 51 determines whether or not all the supplied items (parts) included in the supply plan have been supplied (step S16).
- step S16 When all the supplies (parts) included in the supply plan are supplied (Yes in step S16), the calculation unit 52 totals the production stop time TW0 of the board working machine WM (step S17). .. If all the supplies (parts) included in the supply plan are not supplied (No in step S16), the control returns to the process shown in step S12, and all the supplies (parts) included in the supply plan are returned. Is supplied, the processes and determinations shown in steps S12 to S16 are repeated.
- the calculation unit 52 Based on the simulation result by the simulation unit 51, the calculation unit 52 has a waiting time from when the production of the substrate product by the substrate working machine WM is stopped until the article AR0 is supplied by the article moving device 40.
- the production stop time TW0 of the working machine WM is calculated (step S17 shown in FIG. 6).
- the board working machine WM has a first slot 121 that exchangeably holds the article AR0 used for producing the substrate product, and an article AR0 that can preliminarily hold the article AR0 or collects the article AR0. It is provided with a second slot 122 that can be temporarily held.
- the article moving device 40 exchanges articles AR0 between the first slot 121 and the second slot 122.
- the production stop time TW0 of the substrate working machine WM due to the above-mentioned waiting time is such that the second slot 122 has the article AR0 before the production of the substrate product by the substrate working machine WM is stopped. Depends on whether or not you hold.
- the calculation unit 52 produces the article based on the carry-out time TC0 and the first supply time TF0.
- the stop time TW0 can be calculated.
- the unloading time TC0 is the time required for the article moving device 40 to unload the article AR0 that is no longer needed by the substrate working machine WM from the first slot 121 after the production of the substrate product by the substrate working machine WM is stopped.
- the first supply time TF0 refers to the time required from when the article moving device 40 starts carrying out the article AR0 held in the second slot 122 until the article AR0 is carried into the first slot 121. ..
- FIG. 7 shows an example of the relationship between the carry-out time TC0, the first supply time TF0, the second supply time TS0, the operating time TM0, and the production stop time TW0.
- the polygonal line L11 shows an example of the simulation result of the operating status of the board working machine WM.
- the horizontal axis indicates the time, and the vertical axis indicates the "operating" state in which the board working machine WM is operating, or the "stopped” state in which the board working machine WM has stopped the production of the board product.
- the operating time TM0 is the operating time of the substrate working machine WM, and is the time during which the substrate working machine WM is producing the substrate product.
- the polygonal line L12 shows an example of the simulation result of the operating status of the article moving device 40.
- the horizontal axis indicates the time, and the vertical axis indicates the "operating" state in which the article moving device 40 is operating, or the "stopped” state in which the article moving device 40 is stopped.
- the article moving device 40 has an operating time TM0 of the anti-board working machine WM to reserve the article AR0 in the second slot 122. Specifically, the article moving device 40 starts the acquisition work of the article AR0 stored in the storage device 5 before the production of the substrate product by the substrate working machine WM is stopped, and obtains the acquired article AR0. It is conveyed to the anti-board working machine WM to be supplied, and the article AR0 is carried into the second slot 122 of the anti-board working machine WM.
- the article moving device 40 carries out the article AR0 that is no longer needed by the anti-board working machine WM from the first slot 121. Further, the article moving device 40 carries out the article AR0 held in the second slot 122 and carries the article AR0 into the first slot 121.
- the production stop time TW0 of the board working machine WM is the carry-out time TC0
- the first supply time TF0 the first supply time TF0
- the board working machine WM is actually a board product. It corresponds to the time obtained by adding the time required to start production.
- the calculation unit 52 can calculate the production stop time TW0 based on the carry-out time TC0 and the second supply time TS0.
- the second supply time TS0 after the article moving device 40 starts the acquisition work of the article AR0 stored in the storage device 5, the acquired article AR0 is conveyed to the board working machine WM to be supplied, and the article AR0 is transferred to the substrate working machine WM. The time required for the article AR0 to be carried into the first slot 121 of the board working machine WM.
- the article moving device 40 acquires the article AR0 stored in the storage device 5 after the production of the substrate product by the substrate working machine WM is stopped. Specifically, when the production of the substrate product by the substrate working machine WM is stopped, the article moving device 40 carries out the article AR0 that is no longer needed by the substrate working machine WM from the first slot 121. Further, the article moving device 40 acquires the article AR0 stored in the storage device 5, conveys the acquired article AR0 to the anti-board working machine WM to be supplied, and transfers the article AR0 to the anti-board working machine WM. It is carried into the first slot 121 of.
- the production stop time TW0 of the board working machine WM is the carry-out time TC0, the second supply time TS0, and after the article AR0 is carried into the first slot 121, the board working machine WM is actually a board product. It corresponds to the time obtained by adding the time required to start production.
- the article AR0 carried out from the first slot 121 can be recovered by the article moving device 40 being conveyed from the board working machine WM to the storage device 5. Further, when the article moving device 40 cannot perform the collection operation, the article AR0 carried out from the first slot 121 is carried into the second slot 122. The second slot 122 can temporarily hold the article AR0 carried out from the first slot 121.
- the cause of the suspension of production of board products by the board work machine WM is not limited.
- the suspension of the production of the substrate product by the substrate working machine WM occurs due to the shortage of the article AR0 in the substrate working machine WM or the setup change.
- the production of the substrate product by the component mounting machine 10 is stopped due to a shortage of the feeder 20 in the component mounting machine 10 (shortage of parts supplied from the feeder 20) or a setup change.
- FIG. 8 shows an example of the calculation result by the calculation unit 52.
- the operating time TM0 of the component mounting machine 10 the production stop time TW0 of the component mounting machine 10 due to setup change
- the production stop time TW0 of the component mounting machine 10 due to lack of parts the operating time of the article moving device 40, first.
- the utilization rate, the second utilization rate, and other data are schematically shown for each production plan.
- the calculation unit 52 totals the operating time TM0 of the component mounting machine 10 based on the simulation result by the simulation unit 51.
- the operating time TM0 of the component mounting machine 10 of the production plan JB1 is indicated by the operating time TM1.
- the operating time TM0 of the component mounting machine 10 of the production plan JB2 is indicated by the operating time TM2.
- the calculation unit 52 totals the production stop time TW0 of the component mounting machine 10 due to the setup change based on the simulation result by the simulation unit 51.
- the production stop time TW0 of the component mounting machine 10 of the production plan JB1 is indicated by the stop time TW11.
- the production stop time TW0 of the component mounting machine 10 of the production plan JB2 is indicated by the stop time TW12.
- the calculation unit 52 totals the production stop time TW0 of the parts mounting machine 10 due to the shortage of parts (shortage of the feeder 20) based on the simulation result by the simulation unit 51.
- the production stop time TW0 of the component mounting machine 10 of the production plan JB1 is indicated by the stop time TW21.
- the production stop time TW0 of the component mounting machine 10 of the production plan JB2 is indicated by the stop time TW22.
- the calculation unit 52 can also calculate the operating time of the article moving device 40.
- the calculation unit 52 totals the operating time of the article moving device 40 based on the simulation result by the simulation unit 51.
- the operating time of the article moving device 40 of the production plan JB1 is indicated by the operating time TL1.
- the operating time of the article moving device 40 of the production plan JB2 is indicated by the operating time TL2.
- the operating time of the article moving device 40 includes the operating time due to a shortage of parts (shortage of the feeder 20).
- the operating time of the article moving device 40 includes the operating time due to the setup change.
- the operating time of the article moving device 40 includes an operating time for preliminarily holding the feeder 20 in the second slot 122.
- the operating time of the article moving device 40 includes the operating time of only collecting the feeder 20 that is no longer needed.
- the operating time of the article moving device 40 includes the operating time of the evacuation operation for avoiding interference with other devices.
- the calculation unit 52 can calculate the operating time of the article moving device 40 for each of the above.
- the calculation unit 52 calculates the first operating rate of the board working machine WM when the production stop time TW0 is zero and the second operating rate of the board working machine WM when the calculated production stop time TW0 is zero. You can also.
- the first operating rate and the second operating rate refer to the ability of the board working machine WM to continuously operate, and indicate availability. That is, the first operating rate and the second operating rate are the ratio of the time during which the board product can be produced to the total time between the time during which the board work machine WM can produce the board product and the time during which the board product cannot be produced. Indicated by. By calculating the first operating rate and the second operating rate by the calculation unit 52, the availability can be quantified, and the user of the simulation device 50 can easily grasp the influence of the production stop time TW0.
- the calculation unit 52 calculates the first operating rate and the second operating rate of the component mounting machine 10 based on the simulation result by the simulation unit 51.
- the first operating rate of the parts-mounted machine 10 of the production plan JB1 is indicated by the operating rate R11
- the second operating rate of the parts-mounted machine 10 of the production plan JB1 is indicated by the operating rate R21.
- the first operating rate of the parts-mounted machine 10 of the production plan JB2 is indicated by the operating rate R12
- the second operating rate of the parts-mounted machine 10 of the production plan JB2 is indicated by the operating rate R22.
- the calculation unit 52 can acquire comparative data in the case where the worker supplies the article AR0 required for the production of the substrate product to the substrate working machine WM in the substrate production line not provided with the article moving device 40. Specifically, the calculation unit 52 stops the production of the board work machine WM due to the waiting time from the stop of the production of the board product by the board work machine WM until the article AR0 is supplied by the worker. Get the time as comparison data. As a result, the user of the simulation device 50 can easily compare the production stop time TW0 of the substrate working machine WM, and can easily grasp the effect of the article moving device 40.
- the time required for the worker to supply the article AR0 can be obtained, for example, based on the actual measurement value when the worker actually supplies the article AR0. In addition, the time required for the worker to supply the article AR0 usually varies. Therefore, the calculation unit 52 can also calculate the average value, the mode value, and the like of the actually measured values when a plurality of workers actually perform the supply work of the article AR0.
- the calculation unit 52 can also calculate the capability value (Performance) of the substrate working machine WM, the overall equipment effectiveness (Overall Equipment Effectives), and the like.
- the capacity value of the anti-board working machine WM indicates the actual capacity of the anti-board working machine WM with respect to the specifications.
- the overall equipment effectiveness is calculated by multiplying the above-mentioned operating rates (first operating rate and second operating rate), the capacity value and quality of the board working machine WM. By comparing the 100% overall equipment effectiveness (ideal efficiency) with the actual overall equipment effectiveness, it is possible to extract the source of loss, the type of loss, etc. in the production process of the substrate product.
- the other data shown in FIG. 8 includes the information described above.
- the data of the production plan JB1 is shown by the data D11.
- the data of the production plan JB2 is shown by the data D12.
- the simulation device 50 can output the calculation result calculated by the calculation unit 52 by various methods.
- the simulation device 50 outputs the production stop time TW0 calculated by the calculation unit 52 (for example, displayed on the display device 7DP) by using the output device of the computer 7 (for example, the display device 7DP shown in FIG. 5). can do.
- the above-mentioned matters regarding the production stop time TW0 can be applied to the first operation rate and the second operation rate, the operation time of the article moving device 40, the production stop time of the comparison data, and other data.
- the storage device 5 is provided on the substrate production line 1, and the article moving device 40 is a traveling unit formed by the first rail 31 and the second rail 32 of the exchange system 30. You can drive along the road.
- the storage device 5 and the article moving device 40 are not limited to the above-mentioned forms, and may take various forms.
- the storage device 5 can be provided at a position separated from the substrate production line 1, and can supply the article AR0 to the plurality of substrate production lines 1 and collect the article AR0 from the plurality of substrate production lines 1.
- an automatic guided vehicle can be used as the article moving device 40.
- the automatic guided vehicle is an automatic guided vehicle (AGV: Automatic Guided Vehicle) that does not require a driving operation by an operator.
- the automatic guided vehicle which is the article moving device 40, can run between, for example, a storage device provided at a position separated from the board production line 1 and a board working machine WM (for example, a component mounting machine 10). ..
- the automatic guided vehicle may be assumed to have a plurality of traveling routes.
- priority may be set for multiple automatic guided vehicles.
- the priority of the automatic guided vehicle that transports the article AR0 is set higher than the priority of the automatic guided vehicle that conveys the article AR0 for setup change due to the occurrence of the shortage of the article AR0.
- the priority of the automatic guided vehicle may be set according to the production priority in the substrate production line 1 of the transfer destination. Further, the priority of the automatic guided vehicle that supplies the article AR0 is set higher than the priority of the automatic guided vehicle that collects the article AR0.
- the simulation unit 51 determines the traveling route and priority of the automatic guided vehicle, the operating status of the other automatic guided vehicle, the operating status of the other substrate production line 1, and the like. Including, it is possible to simulate the operating status of the anti-board working machine WM and the operating status of the article moving device 40.
- the simulation method includes a simulation process and a calculation process.
- the simulating step corresponds to the control performed by the simulating unit 51.
- the calculation step corresponds to the control performed by the calculation unit 52.
- the simulation device 50 includes a simulation unit 51 and a calculation unit 52. Therefore, the simulation device 50 has a production stop time TW0 of the substrate working machine WM due to a waiting time from the stop of the production of the substrate product by the substrate working machine WM to the supply of the article AR0 by the article moving device 40. Can be calculated. The same applies to the simulation method 50 as described above for the simulation device 50.
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Abstract
Description
1-1.基板生産ライン1の構成例
図1に示すように、基板生産ライン1は、少なくとも一つ(同図では、4つ)の部品装着機10と、交換システム30と、物品移動装置40と、保管装置5と、ライン制御コンピュータ6とを備えている。4つの部品装着機10は、図2に示す基板90の搬送方向に沿って設置されている。部品装着機10は、基板90に所定の対基板作業を行う対基板作業機WMに含まれる。部品装着機10による対基板作業には、基板90の搬入作業および搬出作業、部品の採取作業および装着作業などが含まれる。部品装着機10には、例えば、カセット式のフィーダ20が着脱可能に設けられる。
図2に示すように、4つの部品装着機10の各々は、基板搬送装置11と、部品供給装置12と、ヘッド駆動装置13とを備えている。以下の説明において、部品装着機10の水平幅方向であり基板90の搬送方向をX方向とし、部品装着機10の水平奥行き方向をY方向とし、X方向およびY方向に垂直な鉛直方向(図2の紙面上下方向)をZ方向とする。
図3に示すように、フィーダ20は、フィーダ本体21と、駆動装置22とを備えている。本実施形態のフィーダ本体21は、扁平な箱形状に形成されている。フィーダ本体21は、多数の部品を収容するキャリアテープが巻回されたリールを着脱可能(交換可能)に保持する。駆動装置22は、キャリアテープに設けられた送り穴に係合するスプロケットを備えている。駆動装置22は、スプロケットを回転させてキャリアテープを送り移動させる。
図1および図2に示すように、交換システム30は、第一レール31と、第二レール32とを備えている。第一レール31および第二レール32は、物品移動装置40の走行路を形成する。第一レール31は、4つの部品装着機10の配置方向に沿って設けられ、上下方向(Z方向)において、第一スロット121と、第二スロット122との間に設けられている。第二レール32は、4つの部品装着機10の配置方向に沿って設けられ、上下方向(Z方向)において、第二スロット122の下方に設けられている。第一レール31および第二レール32は、基板生産ライン1において、基板90の搬送方向の概ね全域に亘って延伸している。
基板生産ライン1では、部品装着機10は、物品移動装置40によるフィーダ20の供給を受けつつ基板製品の生産を行う。しかしながら、物品移動装置40によるフィーダ20の供給を受けるために、部品装着機10は、基板製品の生産を停止する可能性がある。そのため、部品装着機10による基板製品の生産が停止してから物品移動装置40によってフィーダ20が供給されるまでの待ち時間に起因する部品装着機10の生産停止時間TW0を把握したいという要請がある。そこで、本実施形態では、シミュレーション装置50が設けられている。
模擬部51は、基板90に所定の対基板作業を行って基板製品を生産する対基板作業機WMの稼働状況、および、基板製品の生産に必要な物品AR0を対基板作業機WMに供給する物品移動装置40の稼働状況を、基板製品の生産計画に基づいてシミュレーションする(図6に示すステップS11~ステップS16)。
算出部52は、模擬部51によるシミュレーション結果に基づいて、対基板作業機WMによる基板製品の生産が停止してから物品移動装置40によって物品AR0が供給されるまでの待ち時間に起因する対基板作業機WMの生産停止時間TW0を算出する(図6に示すステップS17)。
図1に示すように、本実施形態では、保管装置5は、基板生産ライン1に設けられ、物品移動装置40は、交換システム30の第一レール31および第二レール32によって形成される走行路に沿って走行することができる。しかしながら、保管装置5および物品移動装置40は、上記形態に限定されるものではなく、種々の形態をとり得る。例えば、保管装置5は、基板生産ライン1から離間した位置に設けることができ、複数の基板生産ライン1に物品AR0を供給し、複数の基板生産ライン1から物品AR0を回収することもできる。
シミュレーション装置50について既述したことは、シミュレーション方法についても同様に言える。具体的には、シミュレーション方法は、模擬工程と、算出工程とを備えている。模擬工程は、模擬部51が行う制御に相当する。算出工程は、算出部52が行う制御に相当する。
シミュレーション装置50は、模擬部51および算出部52を備える。よって、シミュレーション装置50は、対基板作業機WMによる基板製品の生産が停止してから物品移動装置40によって物品AR0が供給されるまでの待ち時間に起因する対基板作業機WMの生産停止時間TW0を算出することができる。シミュレーション装置50について上述したことは、シミュレーション方法についても同様に言える。
51:模擬部、52:算出部、90:基板、121:第一スロット、
122:第二スロット、AR0:物品、LC0:管理装置、
TC0:搬出時間、TF0:第一供給時間、TS0:第二供給時間、
TW0:生産停止時間、WM:対基板作業機。
Claims (10)
- 基板に所定の対基板作業を行って基板製品を生産する対基板作業機の稼働状況、および、前記基板製品の生産に必要な物品を前記対基板作業機に供給する物品移動装置の稼働状況を、前記基板製品の生産計画に基づいてシミュレーションする模擬部と、
前記模擬部によるシミュレーション結果に基づいて、前記対基板作業機による前記基板製品の生産が停止してから前記物品移動装置によって前記物品が供給されるまでの待ち時間に起因する前記対基板作業機の生産停止時間を算出する算出部と、
を備えるシミュレーション装置。 - 前記対基板作業機は、
前記基板製品の生産に使用する前記物品を交換可能に保持する第一スロットと、
前記物品を予備的に保持可能、または、回収する前記物品を一時的に保持可能な第二スロットと、
を備え、
前記物品移動装置は、前記第一スロットと前記第二スロットとの間で前記物品の交換作業を行い、
前記算出部は、
前記対基板作業機による前記基板製品の生産が停止してから、前記物品移動装置が前記対基板作業機で不要になった前記物品を前記第一スロットから搬出するまでに要する搬出時間と、
前記物品移動装置が前記第二スロットに保持されている前記物品の搬出を開始してから、当該物品を前記第一スロットに搬入するまでに要する第一供給時間と、
に基づいて、前記生産停止時間を算出する請求項1に記載のシミュレーション装置。 - 前記対基板作業機は、
前記基板製品の生産に使用する前記物品を交換可能に保持する第一スロットと、
前記物品を予備的に保持可能、または、回収する前記物品を一時的に保持可能な第二スロットと、
を備え、
前記物品移動装置は、前記第一スロットと前記第二スロットとの間で前記物品の交換作業を行い、
前記算出部は、
前記対基板作業機による前記基板製品の生産が停止してから、前記物品移動装置が前記対基板作業機で不要になった前記物品を前記第一スロットから搬出するまでに要する搬出時間と、
前記対基板作業機による前記基板製品の生産が停止する前に前記第二スロットが前記物品を保持することができないときに、前記物品移動装置が保管装置に保管されている前記物品の取得作業を開始してから、取得した前記物品を供給すべき前記対基板作業機に搬送して、当該物品を当該対基板作業機の前記第一スロットに搬入するまでに要する第二供給時間と、
に基づいて、前記生産停止時間を算出する請求項1に記載のシミュレーション装置。 - 前記対基板作業機による前記基板製品の生産の停止は、前記対基板作業機における前記物品の不足または段取り替えによって発生する請求項1~請求項3のいずれか一項に記載のシミュレーション装置。
- 前記算出部は、前記生産停止時間がゼロのときの前記対基板作業機の第一稼働率と、算出した前記生産停止時間のときの前記対基板作業機の第二稼働率とをさらに算出する請求項1~請求項4のいずれか一項に記載のシミュレーション装置。
- 前記算出部は、前記物品移動装置の稼働時間をさらに算出する請求項1~請求項5のいずれか一項に記載のシミュレーション装置。
- 前記算出部は、前記物品移動装置を具備しない基板生産ラインにおいて前記基板製品の生産に必要な前記物品を作業者が前記対基板作業機に供給する場合について、前記対基板作業機による前記基板製品の生産が停止してから、前記作業者によって前記物品が供給されるまでの待ち時間に起因する前記対基板作業機の生産停止時間を比較データとして取得する請求項1~請求項6のいずれか一項に記載のシミュレーション装置。
- 前記模擬部は、前記基板製品の種類および生産予定数、並びに、前記物品の種類および必要数を少なくとも含む前記生産計画を管理する管理装置から前記生産計画を取得して、取得した前記生産計画に基づいてシミュレーションする請求項1~請求項7のいずれか一項に記載のシミュレーション装置。
- 前記模擬部は、前記基板製品の種類および生産予定数、並びに、前記物品の種類および必要数を少なくとも含む前記生産計画をオペレータに入力させて、前記オペレータによって入力された前記生産計画に基づいてシミュレーションする請求項1~請求項7のいずれか一項に記載のシミュレーション装置。
- 基板に所定の対基板作業を行って基板製品を生産する対基板作業機の稼働状況、および、前記基板製品の生産に必要な物品を前記対基板作業機に供給する物品移動装置の稼働状況を、前記基板製品の生産計画に基づいてシミュレーションする模擬工程と、
前記模擬工程によるシミュレーション結果に基づいて、前記対基板作業機による前記基板製品の生産が停止してから前記物品移動装置によって前記物品が供給されるまでの待ち時間に起因する前記対基板作業機の生産停止時間を算出する算出工程と、
を備えるシミュレーション方法。
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JP7153804B2 (ja) | 2022-10-14 |
CN114303449A (zh) | 2022-04-08 |
CN114303449B (zh) | 2023-05-19 |
EP4037449A4 (en) | 2022-10-12 |
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