JP2023059474A - Production capacity estimation system, production capacity estimation method, and production capacity estimation program - Google Patents

Abstract

To provide a production capacity estimation system capable of easily comparing the productivity of component mounting lines with different configurations, a production capacity estimation method, and a production capacity estimation program.SOLUTION: The production capacity estimation method for estimating the production capacity of producing mounting boards in a component mounting line includes the steps of: estimating the production capacity of a component mounting line based on a production plan of the mounting board, a piece of substrate information regarding the configuration of the mounting board, production data for a component mounting unit, a piece of worker information about workers, a piece of line information about the configuration of the component mounting line, a piece of specification information on the specifications of the component mounting unit, and a piece of event: information on events that require worker action and their frequency (ST5); and comparing multiple estimated production capacities and displaying the same on a display unit (ST6).SELECTED DRAWING: Figure 9

Description

The present invention relates to a production capacity estimation system, a production capacity estimation method, and a production capacity estimation program for estimating the production capacity of a component mounting line.

2. Description of the Related Art In a component mounting line composed of a plurality of component mounting apparatuses including a component mounting apparatus, mounted boards in which components are mounted on boards are continuously produced. In order to estimate the production capacity of such a component mounting line, in addition to the processing capacity of each component mounting device, it is necessary to supply materials such as components to the component mounting device and to respond to errors in the component mounting device. It is also necessary to consider temporary stoppage of the component mounting apparatus due to worker work (for example, Patent Document 1). The system described in Patent Literature 1 stores pre-stored information such as the configuration of a component mounting line for estimating production capacity, information on component mounting equipment, and the frequency of occurrence of worker work, and input information about the worker. , estimating the production capacity of a component mounting line based on a production plan.

JP 2017-199742 A

However, in the prior art including Patent Document 1, although it is possible to estimate the production capacity of a component mounting line for producing mounted boards in a predetermined configuration, how much can be drawn from the ideal production capacity of the component mounting line? Therefore, there is room for further improvement in order to comprehensively estimate the production capacity of the component mounting line.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a production capacity estimation system, a production capacity estimation method, and a production capacity estimation program capable of easily comparing the production capacities of component mounting lines with different configurations.

A production capacity estimation system of the present invention is a production capacity estimation system for estimating the production capacity of a component mounting line composed of a plurality of component mounting apparatuses to produce mounted boards, wherein A board production plan, board information relating to the configuration of the mounting board, production data for the component mounting apparatus to perform production work of the mounting board, and an operator who operates the component mounting apparatus. , line information about the configuration of the component mounting line, specification information about the specifications of the component mounting apparatus, and events that require worker work on the component mounting line and their occurrence frequency. a production capacity estimation unit for estimating the production capacity of the component mounting line based on event information; and a display unit for comparing and displaying a plurality of estimated production capacities.

A production capacity estimation method of the present invention is a production capacity estimation method for estimating the production capacity of a component mounting line composed of a plurality of component mounting apparatuses to produce mounted boards, wherein A board production plan, board information relating to the configuration of the mounting board, production data for the component mounting apparatus to perform production work on the mounting board, and work on the component mounting apparatus. Worker information about the worker, line information about the configuration of the component mounting line, spec information about the specs of the component mounting device, events requiring work by the worker on the component mounting line and occurrence thereof a production capacity estimation step of estimating the production capacity of the component mounting line based on event information relating to frequency; and a display step of comparing a plurality of the estimated production capacities and displaying them on a display unit.

A production capacity estimating program of the present invention is a production capacity estimating program that causes a computer to estimate the production capacity of a component mounting line composed of a plurality of component mounting apparatuses to produce mounted substrates, the component mounting line comprising: A production plan for a mounting board to be produced, board information relating to the configuration of the mounting board, production data for the component mounting apparatus to perform production work on the mounting board, and the component mounting apparatus. worker information about a worker who performs the work, line information about the configuration of the component mounting line, specification information about the specifications of the component mounting apparatus, and the worker's work on the component mounting line a production capacity estimation step of estimating the production capacity of the component mounting line based on event information about the event and its occurrence frequency; and a display step of comparing a plurality of the estimated production capacities and displaying them on a display unit. ,including.

According to the present invention, it is possible to easily compare the production capacities of component mounting lines with different configurations.

1 is an explanatory diagram of the configuration of a component mounting system according to an embodiment of the present invention; FIG. FIG. 1 is an explanatory diagram of the configuration of a component mounting line provided in a component mounting system according to an embodiment of the present invention; 1 is a block diagram showing the configuration of an information processing system of a management computer (production capacity estimation system) according to an embodiment of the present invention; FIG. FIG. 2 is an explanatory diagram of an example of a new floor setting screen displayed on a display unit provided in a management computer (production capacity estimation system) according to an embodiment of the present invention; FIG. 2 is an explanatory diagram of an example of a simulation setting screen displayed on a display unit provided in a management computer (production capacity estimation system) according to an embodiment of the present invention; FIG. 5 is an explanatory diagram of an example of a simulation result (current floor performance) display screen displayed by the display unit of the management computer (production capacity estimation system) according to one embodiment of the present invention; FIG. 3 is an explanatory diagram of an example of a simulation result (current floor estimation) display screen displayed by a display unit of a management computer (production capacity estimation system) according to an embodiment of the present invention; Explanatory drawing of an example of a simulation result (new floor estimation) display screen displayed by a display unit of a management computer (production capacity estimation system) according to an embodiment of the present invention. Flow chart of production capacity estimation method according to one embodiment of the present invention

An embodiment of the present invention will be described in detail below with reference to the drawings. The configuration, shape, etc. described below are examples for explanation, and can be changed as appropriate according to the specifications of the component mounting system, component mounting line, management computer (production capacity estimation system), component mounting apparatus, and the like. In the following, the same reference numerals are given to the corresponding elements in all the drawings, and redundant explanations are omitted. In FIG. 2, the left side of the paper surface is the upstream side and the right side is the downstream side in the substrate transport direction (horizontal direction in FIG. 2). In addition, in FIG. 2, the lower side of the paper surface is referred to as the front, and the upper side is referred to as the rear in the direction perpendicular to the board transfer direction in the horizontal plane (vertical direction in FIG. 2).

First, the configuration of a component mounting system 1 will be described with reference to FIG. The component mounting system 1 has a configuration in which three component mounting lines L1 to L3 arranged on a floor F are connected by a communication network 2 and managed by a management computer 3. FIG. Each of the component mounting lines L1 to L3 is configured by connecting a plurality of component mounting apparatuses, including a component mounting apparatus, as will be described later, and has a function of producing mounted boards on which components are mounted. The number of component mounting lines L1 to L3 provided in the component mounting system 1 does not need to be three, and may be one, two, or four or more.

Next, with reference to FIG. 2, the detailed configuration of the component mounting lines L1 to L3 will be described. The component mounting lines L1 to L3 have the same configuration, and the component mounting line L1 will be described below. The component mounting line L1 includes a solder printing device M1, a printing inspection device M2, component mounting devices M3 to M6, a mounting inspection device M7, and a reflow device M8, from upstream (left side of the paper surface) to downstream (right side of the paper surface) in the substrate conveying direction. , etc. are connected in series. The component mounting line L1 is a group of component mounting apparatuses connected via the communication network 2, and the component mounting apparatuses may not be physically connected to each other.

Solder printing device M1, print inspection device M2, component mounting devices M3 to M6, mounting inspection device M7, and reflow device M8 are connected to management computer 3 via communication network 2. FIG. The solder printing apparatus M1 performs a solder printing operation of printing solder through a mask having a plurality of openings on the substrate B brought in from upstream by the solder printing operation section. In the setup work for switching the mounting board to be produced, the worker W performs mask replacement work and arrangement change work of the lower receiving pins that support the board B from below during solder printing.

In FIG. 2, the print inspection apparatus M2 performs a print inspection work for inspecting the state of solder printed on the board B by a print inspection work unit including a solder inspection camera. A solder coating device for coating the substrate B with solder may be provided in parallel with the solder printing device M1 or instead of the solder printing device M1. Also, the component mounting line L1 may not be equipped with the print inspection device M2.

In FIG. 2, component mounting apparatuses M3 to M6 perform a component mounting operation of mounting a component D on a board B by means of a component mounting operation section including a conveyor, a component supply section, and a mounting head. Note that the component mounting line L1 is not limited to the configuration of four component mounting apparatuses M3 to M6, and may be one to three component mounting apparatuses M3 to M6 or five or more. . In the component mounting apparatuses M3 to M6, the conveyor extending in the board transport direction transports the board B to the component mounting position. The component feeders are located outside (front and rear) of the conveyor.

The component supply unit includes a cart equipped with a plurality of tape feeders that supply the components D by tape-feeding the carrier tape that holds the components D, and a tray that supplies the components D while replacing the trays holding the plurality of components D. A feeder is installed to supply the component D to the pick-up position by the mounting head. The mounting head has a plurality of suction nozzles for vacuum-sucking the components D, picks up the components D supplied by the component supply unit, and carries out the component mounting work of transferring and mounting them onto the substrate B which is transported by the conveyor and positioned and held. . In the tape feeder and tray of the component supply unit, carrier tapes and trays for holding predetermined components D are set at the time of changeover so that predetermined components D are supplied according to the board type of the mounting board to be produced. (In other words, parts D are arranged).

In FIG. 2, in the component mounting apparatuses M3 to M6, when the component D held by the component supply unit is consumed while the component mounting work is repeatedly continued and falls below a predetermined remaining number (when a component shortage warning occurs), or When the parts D run out (when the parts run out), the worker W performs the replenishment work of the parts D (replenishment of the carrier tape, replacement of the tray, etc.). In addition, when a device error such as a suction error that the suction nozzle does not normally pick up the component D, or an error that the tape feeder stops supplying the component D due to carrier tape tangling (jamming) occurs, the component mounters M3 to M6 stop. , the worker W performs recovery work from the apparatus error.

In addition, in the setup change work to switch the mounted boards to be produced, the worker W performs tape feeder replacement work, tray replacement work, mounting head replacement work, suction nozzle replacement work, and component mounting work in the component mounting apparatuses M3 to M6. Occasionally, work such as changing the arrangement of the lower receiving pins that support the substrate B from below is performed.

In FIG. 2, when performing the above-described work, the worker W moves to the operation surface (front or rear) of the component mounting apparatuses M3 to M6 to be worked and performs the work. Equipment errors include an equipment error in which only the front or rear component mounting operation in which the equipment error occurs is stopped and the component mounting operation on the opposite side is continued without being stopped, or an equipment error in which the component mounting operation is continued without being stopped. ~Some device errors are automatically recovered by recovery processing by M6. In this way, the component mounting apparatuses M3 to M6 have facility elements such as tape feeders, tray feeders, mounting heads, and suction nozzles, and perform component mounting operations for producing mounted boards.

In FIG. 2, the mounting inspection apparatus M7 performs a mounting inspection work for inspecting the state of the component D mounted on the board B by means of a mounting inspection working section including a component inspection camera. The reflow device M8 heats the board B carried into the device by the board heating unit, hardens the solder on the board B, and performs a board heating operation of bonding the electrode part of the board B and the component D. Note that the component mounting line L1 may not be equipped with the mounting inspection device M7.

Next, the configuration of the information processing system of the management computer 3 will be described with reference to FIG. Here, among the functions of the management computer 3 (production capacity estimation system), the function of estimating the production capacity of the component mounting lines L1 to L3 and comparing and displaying the production capacities will be described. The management computer 3 includes an input section 28 , a display section 29 and a communication section 30 in addition to a processing section 10 and a storage section 17 that is a storage device.

The processing unit 10 is a data processing device such as a CPU, and includes a performance collection unit 11, a production capacity calculation unit 12, a display processing unit 13, a floor information creation unit 14, an optimization processing unit 15, and a production capacity estimation unit 16 as internal processing units. , a controller (not shown). Each internal processing unit may be composed of independent hardware assets, or may be composed of a common CPU and programs for each information processing. The control unit is, for example, a CPU (Central Processing Unit) and controls the entire management computer 3 . Note that 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 data processing device that constitutes the storage unit 17 and the management computer 3 may be provided in the cloud via a server.

In FIG. 3, the input unit 28 is an input device such as a keyboard, touch panel, mouse, etc., and is used for inputting operation commands and data. The display unit 29 is a display device such as a liquid crystal panel, and displays various data stored in the storage unit 17 as well as various information such as an operation screen for operation by the input unit 28 and an input screen. The communication unit 30 is a communication interface, and is connected to component mounting devices (solder printing device M1, printing inspection device M2, component mounting devices M3 to M6, mounting inspection device M7, etc.).

3, the storage unit 17 stores production plan information 18, circuit board information 19, production data 20, worker information 21, floor information 22, spec information 23, event information 24, operation results 25, actual production capacity information 26, Estimated production capacity information 27 and the like are stored. The production plan information 18 includes the production order of mounted boards (board types) produced on the component mounting lines L1 to L3 (or floor F), the scheduled production start time, the scheduled production end time, etc. A plurality of production plans such as plans and new production plans are stored. The board information 19 stores information about the configuration of the mounting board, such as the size of the board B, the mounting position of the component D, and the type of the component D, for each board type of the mounting board.

The production data 20 stores, for each board type of the mounting board, information specifying a mask to be mounted on the solder printer M1, arrangement information of the support pins, and the like. In addition, the production data 20 includes, for each board type of the mounting board, mounting heads mounted on the component mounting apparatuses M3 to M6, suction nozzle information, arrangement information of the support pins, arrangement information of the components D in the component supply unit. etc. are stored. That is, the production data 20 includes information for the component mounting apparatuses (the solder printer M1, the component mounting apparatuses M3 to M6, etc.) to perform the production work of the mounted boards.

In FIG. 3, the worker information 21 includes information about the ability categories of the workers W who work on the component mounting apparatus on the floor F, the number of workers W for each ability category, working hours, break times, and the like. Information about the worker W, such as the working time of the worker W, is stored. The information on the ability classification includes the type of work permitted to the worker W for each ability classification, standard work hours such as replacement of parts and recovery work for equipment errors, and the like.

In FIG. 3, the floor information 22 stores information about the configuration of the floor F, line information of the component mounting lines L1 to L3 provided on the floor F, and the like. The line information includes information on the configuration of the component mounting lines L1 to L3, the types of component mounting devices (solder printing device M1, component mounting devices M3 to M6, etc.) provided in each of the component mounting lines L1 to L3, and component mounting devices. It includes information about equipment elements (tape feeders, tray feeders, mounting heads, suction nozzles, etc.) owned by The floor information 22 includes information on the existing floor F that has a production record, new floors with new component mounting lines L1 to L3 added to the existing floor F, and new component mounting lines L1 to L3 on the existing floor F. Information for consideration such as new floors with additional equipment for mounting is included.

The specification information 23 stores information on the specifications of component mounting apparatuses that can be used in the component mounting lines L1 to L3. For example, the specification information 23 of the component mounting apparatuses M3 to M6 includes the number of conveyors, the number of component supply units, the number of mounting heads, the number of mountable tape feeders, and the production capacity per unit time for each model name. Chips Per Hour (hereinafter referred to as "CPH"), which is the number of parts that can be mounted on a vehicle, is included. As the CPH, for example, the maximum value of CPH (ideal CPH), which is the maximum performance that can be obtained by combining the equipment elements (tape feeder, tray feeder, mounting head, suction nozzle, etc.) of the component mounting apparatuses M3 to M6, is stored. be.

In FIG. 3, the event information 24 includes information on events requiring work by the worker W on the component mounting lines L1 to L3 (replenishment work of the component D, recovery work from an apparatus error, etc.) and the frequency of occurrence thereof. is stored. The frequency of occurrence is set for a combination of a plurality of equipment elements for each model of component mounting apparatus based on the number of work errors, the number of operation errors, etc. included in the operation record 25 described later, or based on experience. be.

The result collection unit 11 periodically collects the results of component mounting work from a plurality of component mounting apparatuses of the component mounting lines L1 to L3 installed on the floor F, and stores them in the storage unit 17 as the operation results 25.例文帳に追加For example, the results of component mounting work include the production start date and time, production end date and time, changeover time, board type and number of boards produced, number of work errors, error rate (frequency), number of operation errors and their errors. Contents, information of the workers W who worked on the floor F (working hours, working hours, break times, number of persons, work contents, etc.) are included.

In FIG. 3, the production capacity calculator 12 calculates the actual production capacity, which is the actual value of the production capacity, for each of the component mounting lines L1 to L3 from the actual operation results 25 collected during a predetermined period. Specifically, the production capacity calculation unit 12 calculates the total number of components D (total number of mounted components) mounted on the board B by the component mounting lines L1 to L3 during a predetermined period. In addition, the production capacity calculation unit 12 calculates the operating time of the component mounting lines L1 to L3 (the time from the start of production of the first board to the end of production of the last board) to the shift time of the worker W, break time, and the like. Calculate production time by subtracting non-operating time when production is stopped. Then, the production capacity calculation unit 12 calculates the actual value of CPH (actual CPH) obtained by dividing the total number of mounted components by the production time as the actual production capacity.

Further, the production capacity calculation unit 12 calculates an effective production time by further subtracting device stoppage time such as stoppage time due to an operation error of the component mounting device or stoppage time due to running out of components from the production time. Then, the production capacity calculation unit 12 calculates CPH (effective CPH) obtained by dividing the total number of parts mounted by the effective production time as the actual production capacity. Information such as the calculated actual production capacity is stored in the storage unit 17 as actual production capacity information 26 .

In FIG. 3, the display processing unit 13 causes the display unit 29 to display a new floor setting screen, a simulation setting screen, a simulation result display screen, etc., which will be described later. We support the configuration setting of the mounting line, the condition setting of the simulation, and the result analysis.

Here, an example of the new floor setting screen 40 displayed on the display unit 29 by the display processing unit 13 will be described with reference to FIG. The new floor setting screen 40 sets the configuration of a new floor whose production capacity is to be estimated, such as a new floor or a floor whose production capacity has been improved by adding a component mounting device to an existing component mounting line. used on occasion. In this example, a new floor (new line addition 1) is added with one component mounting line (line L5) to the existing floor F1 (see FIG. 5) having four component mounting lines (lines L1 to L4). will be described with an example of setting

In FIG. 4, a new floor setting screen 40 is provided with a line designation area 41 and a line information display area 42 . A line information setting frame 43 , a floor name input field 44 , a line addition button 45 , a setting execution button 46 and an end button 47 are arranged in the line designation area 41 . In the floor name input field 44, the floor name of the newly created floor (new line addition 1) is input. When the administrator operates the input unit 28 to press the line addition button 45, the display processing unit 13 switches the display unit 29 to a line setting screen (not shown). On the line setting screen, the component mounters to be placed on the new line, equipment elements of the component mounters, and the like are set.

The line information setting frame 43 displays information such as the line name of the component mounting line (lines L1 to L5) on the new floor being set, the number of mounting apparatuses, the number of stages, and the like. When the delete button corresponding to the line name is pressed in the line information setting frame 43, the component mounting line is deleted from the new floor. Further, when the edit button is pressed, the display processing unit 13 switches the display unit 29 to a line setting screen for changing the configuration of the component mounting line.

In FIG. 4, a line information display frame 48 is arranged in the line information display area 42 . The line information display frame 48 is provided with a line selection tab 48a, a line configuration display field 48b, and display forward buttons 48c and 48d. When one of the line selection tabs 48a is selected, the selected component mounting line is displayed in the line configuration display column 48b. When the display feed buttons 48c and 48d are pressed, the component mounting apparatuses displayed in the line configuration display column 48b are changed in order.

In FIG. 5, in this example, in the line configuration display column 48b, the component mounting apparatuses M3 to M6 included in the component mounting line (line L5) on the new floor (new line addition 1) are displayed in the order in which they are connected. there is The component mounting apparatus M3 and the component mounting apparatus M4 are component mounting apparatuses of model "E1", and the component mounting apparatuses M5 and M6 are component mounting apparatuses of model "E2". A component mounting apparatus with model "E1" has two conveyors and two mounting heads along the board transfer direction, one at the front and the other at the rear, and the number of stages is "2". A component mounting apparatus with model "E2" has two conveyors, one mounting head at the front and one at the rear, and the number of stages is "1".

The component mounting apparatuses M3 to M6 displayed in the line configuration display column 48b display a table configuration display 48e for displaying the configuration of the front and rear component supply units and the configuration of the mounting heads mounted on the front and rear. A mounting head configuration display 48f is displayed. In the table configuration display 48e, "c17" indicates 17 tape feeders, "c30" indicates 30 tape feeders, "f13" indicates 13 tape feeders, and "t20" indicates 20 tape feeders. It shows that a tray feeder capable of loading one tray is arranged in the component supply unit. ``H16'' in the mounting head configuration display 48f has 16 suction nozzles, ``H8'' has 8 suction nozzles, and ``H3'' has 3 suction nozzles. It is shown that.

In FIG. 4, the table configuration and the mounting head configuration are set based on the type and size of the component D to be mounted on the board B by the component mounting apparatuses M3 to M6. When the setting execution button 46 is pressed, the floor information creating unit 14 creates line information for each component mounting line (lines L1 to L5) provided on the new floor (new line addition 1) set on the new floor setting screen 40. and stored in the storage unit 17 as the floor information 22 of the new floor. The line information included in the floor information 22 includes information on facility elements (tape feeders, tray feeders, mounting heads, suction nozzles, etc.) possessed by component mounting apparatuses (component mounting apparatuses M3 to M6). When the end button 47 is pressed, the display processing unit 13 ends the new floor setting work.

Next, an example of a simulation setting screen 50 displayed on the display unit 29 by the display processing unit 13 will be described with reference to FIG. The simulation setting screen 50 is used when setting simulation conditions for estimating the production capacity of the component mounting line. In this example, a component mounting line to be simulated is set for each floor on which a plurality of component mounting lines are installed. The simulation setting screen 50 includes a current floor selection frame 51, a current floor display area 51a, a new floor selection frame 52, a new floor display area 52a, a production plan selection frame 53, a production plan display area 53a, an execution button 54, and an end button 55. is provided.

When the administrator operates the input unit 28 and selects one existing floor (hereinafter referred to as "current floor") having a production record from the drop-down list displayed in the current floor selection frame 51, the current floor is selected. Summary information is displayed in the current floor display area 51a. The display processing unit 13 causes the drop-down list of the current floor selection frame 51 to display the existing floors for which the operation records 25 have been collected. In addition, the display processing unit 13 causes the current floor information included in the floor information 22 to be displayed in the current floor display area 51a. In this example, "floor F1" is selected as the current floor. The current floor display area 51a displays the line names (line L1 to line L4) of the component mounting lines provided on the current floor and the number of component mounting apparatuses provided on each line.

In FIG. 5, when one new floor (hereinafter referred to as "new floor") is selected from the drop-down list in the new floor selection frame 52, outline information of the new floor is displayed in the new floor display area 52a. be. The display processing unit 13 displays a list of new floors included in the floor information 22 in the drop-down list of the new floor selection frame 52 . In addition, the display processing unit 13 displays information on the new floor included in the floor information 22 in the new floor display area 52a. In this example, "new line addition 1" set on the new floor setting screen 40 shown in FIG. 4 is selected as the new floor.

When one production plan is selected from the drop-down list in the production plan selection frame 53, outline information of the selected production plan is displayed in the production plan display area 53a. The display processing unit 13 displays a list of production plans with production results on the current floor selected in the current floor selection frame 51 among the production plans included in the production plan information 18 in the drop-down list of the production plan selection frame 53. display. In addition, the display processing unit 13 displays the outline information of the production plan included in the production plan information 18 in the production plan display area 53a.

In FIG. 5, in this example, "existing production plan 1", which has a production record on "floor F1", is selected as the production plan. In the "existing production plan 1", it is planned to produce 500 mounted boards X1, 2000 mounted boards X2, 1500 mounted boards X3, and 800 mounted boards X4 in this order. When the execution button 54 is pressed, a simulation for estimating the production capacity by the optimization processing section 15 and the production capacity estimation section 16 is executed under the conditions set on the simulation setting screen 50 . When the end button 55 is pressed, the display processing unit 13 discards the conditions set on the simulation setting screen 50 and terminates the simulation condition setting process.

In FIG. 3, the optimization processing unit 15 creates production data 20 by optimizing the arrangement information of the components D in the component supply unit of the component mounting apparatus so as to reduce the production time in the set production plan. The produced production data 20 is stored in the storage unit 17 . In addition, the optimization processing unit 15 creates a production plan in which the production order of the mounted boards is changed or the allocation of the mounted boards to the component mounting lines is changed so as to reduce the production time. The created production plan is stored in the storage unit 17 as production plan information 18 .

In FIG. 3, the production capacity estimating unit 16, based on the line information, the spec information 23, and the event information 24 included in the production plan, the board information 19, the production data 20, the worker information 21, and the floor information 22, Estimate the production capacity of The production capacity estimated by the production capacity estimation unit 16 is stored in the storage unit 17 as estimated production capacity information 27 .

Specifically, the production capacity estimating unit 16 calculates the ideal production capacity by summing the ideal CPHs of all the component mounting apparatuses included in the component mounting line, based on the specifications of the component mounting apparatuses included in the specification information 23. calculate. In other words, the ideal production capacity represents the maximum performance of the component mounting line. The production capacity estimation unit 16 calculates ideal CPH based on the line information and the specification information 23 .

In FIG. 3, the production capacity estimating unit 16 is CPH (event non-occurrence) when there is no occurrence of an event requiring the work of the worker W due to a component running out of the component D or an operation error in the component mounting apparatus. Generated CPH) is estimated as event-free production capacity. That is, event-free capacity is the capacity estimated assuming these events do not occur. The production capacity estimation unit 16 simulates component mounting work by the component mounting apparatus based on the board information 19, the production data 20, and the line information to estimate the event non-occurrence CPH.

In addition, the production capacity estimation unit 16 estimates a CPH (event occurrence CPH) that takes into account the occurrence frequency of an event that requires the work of the worker W included in the event information 24 as an event occurrence production capacity. That is, the event-occurring production capacity is the production capacity estimated by considering the frequency of occurrence of these events. Based on the board information 19, production data 20, worker information 21, line information, and event information 24, the production capacity estimation unit 16 determines whether the component mounting apparatus stops due to an operation error, when the component mounting apparatus The event non-occurrence CPH is estimated by predicting the occurrence of restoration work by W, supply work of parts D by worker W, and the like.

Next, referring to FIGS. 6 to 8, the actual production capacity information 26 calculated by the production capacity calculation unit 12 and the estimated production capacity information 27 estimated by the production capacity estimation unit 16 are displayed by the display processing unit 13. An example of a simulation result display screen displayed on the display unit 29 will be described.

FIG. 6 is an example of a simulation result (current floor performance) screen 60 displayed on the display unit 29 by the display processing unit 13 . On the simulation result (current floor performance) screen 60, the ideal production capacity of the current floor (floor F1) set on the simulation setting screen 50 (FIG. 5), the actual production capacity calculated based on the operation performance 25, etc. Is displayed. A simulation result (current floor performance) screen 60 is provided with a current floor performance display area 61 , a current floor estimation display button 62 , a new floor estimation display button 63 , a condition change button 64 and an end button 65 .

The current floor performance display area 61 displays information about the line name, the total number of mounted components, the ideal CPH, and the actual production capacity for each component mounting line (lines L1 to L4) provided on the current floor. In addition, in the current floor performance display area 61, the production capacity of the floor (floor production capacity) obtained by adding up the production capacities of all component mounting lines provided on the current floor is displayed.

In FIG. 6, the current floor performance display area 61 displays the production time (days, hours), the actual CPH, and the comparison of the actual CPH with the ideal CPH as information on the actual production capacity. In addition, in the current floor performance display area 61, effective production time (days, hours), effective CPH, and comparison of effective CPH with ideal CPH are displayed as information on actual production capacity. A comparison of the actual CPH or the effective CPH with the ideal CPH is an index showing how much the performance of the component mounting apparatus can be extracted.

For example, in the component mounting line (line L1), the total number of components D mounted on the board B in a predetermined period is "7,773,480", the ideal CPH is "275,500/hour", and the actual CPH is "149,438 pieces/hour" and the comparison with the ideal CPH is "54%", and the effective CPH is "166,042 pieces/hour" and the comparison with the ideal CPH is "60%".

In FIG. 6, when the current floor estimation display button 62 is pressed, the display processing unit 13 causes the display unit 29 to display a simulation result (current floor estimation) screen 70 (FIG. 7). When the new floor estimation display button 63 is pressed, the display processing unit 13 causes the display unit 29 to display a simulation result (new floor estimation) screen 80 (FIG. 8). When the condition change button 64 is pressed, the display processing unit 13 causes the display unit 29 to display the simulation setting screen 50 (FIG. 5). When the end button 65 is pressed, the display processing unit 13 ends the production capacity estimation process.

Next, an example of a simulation result (present floor estimation) screen 70 displayed on the display unit 29 by the display processing unit 13 will be described with reference to FIG. The simulation result (current floor estimation) screen 70 displays the ideal production capacity of the current floor (floor F1) set on the simulation setting screen 50 (FIG. 5), the event occurrence production capacity estimated by the production capacity estimation unit 16, The event non-occurrence production capacity, etc. are displayed. A simulation result (current floor estimation) screen 70 is provided with a current floor estimation display area 71 , a current floor result display button 72 , a new floor estimation display button 73 , a condition change button 74 and an end button 75 .

In the estimated current floor display area 71, the line name, the total number of mounted parts, the ideal CPH, the information on the event occurrence production capacity, and the information on the event non-occurrence production capacity are displayed for each component mounting line (lines L1 to L4) provided on the current floor. is displayed. In addition, the current floor estimated display area 71 also displays the floor production capacity. Note that the total number of mounted components and the ideal CPH are the same as those on the simulation result (current floor performance) screen 60 .

In FIG. 7, the current floor estimated display area 71 displays the estimated production time (days, hours), the event occurrence CPH, and the comparison of the event occurrence CPH with the ideal CPH as information on the event occurrence production capacity. In addition, in the current floor estimated display area 71, the estimated value of the effective production time (days, hours), the event-free CPH, and the comparison of the event-free CPH with the ideal CPH are displayed as information on the event-free production capacity. . A comparison of the event occurrence CPH or the event non-occurrence CPH with the ideal CPH is an index for estimating how much the performance of the component mounter can be extracted. For example, the event occurrence CPH of the component mounting line (line L1) is "169,363/hour", which is "61%" compared to the ideal CPH, and the event non-occurrence CPH is "188,181/hour", which is the ideal CPH. is "68%".

In FIG. 7, when the current floor performance display button 72 is pressed, the display processing unit 13 causes the display unit 29 to display a simulation result (current floor performance) screen 60 (FIG. 6). When the estimated new floor display button 73 is pressed, the display processing unit 13 causes the display unit 29 to display a simulation result (estimated new floor) screen 80 (FIG. 8). When the condition change button 74 is pressed, the display processing unit 13 causes the display unit 29 to display the simulation setting screen 50 (FIG. 5). When the end button 75 is pressed, the display processing unit 13 ends the production capacity estimation process.

Next, an example of a simulation result (new floor estimation) screen 80 displayed on the display unit 29 by the display processing unit 13 will be described with reference to FIG. The simulation result (new floor estimation) screen 80 displays the ideal production capacity of the new floor (new line addition 1) set on the simulation setting screen 50 (FIG. 5), the estimated event occurrence production capacity, and the event non-occurrence production capacity. Abilities are displayed. A simulation result (estimated new floor) screen 80 is provided with an estimated new floor display area 81 , a current floor result display button 82 , an estimated current floor display button 83 , a condition change button 84 and an end button 85 .

In the estimated new floor display area 81, for each component mounting line (lines L1 to L5) provided on the new floor, the line name, the total number of mounted components, the ideal CPH, the information on the event occurrence production capacity, and the information on the event non-occurrence production capacity. is displayed. In addition, the estimated new floor display area 81 also displays the floor production capacity. The total number of mounted components for each component mounting line is optimized by the optimization processing unit 15 so that the mounted boards produced on the current floor are optimally produced on the new floor. Therefore, although the total number of components mounted on each component mounting line differs between the current floor and the new floor, the total number of components mounted on the entire floor is the same between the current floor and the new floor.

In FIG. 8, the estimated new floor display area 81 displays the estimated production time (days, hours), the event occurrence CPH, and the comparison of the event occurrence CPH with the ideal CPH as information on the event occurrence production capacity. In addition, in the new floor estimation display area 81, the estimated value of the effective production time (days, hours), the event-free CPH, and the comparison of the event-free CPH with the ideal CPH are displayed as information on the event-free production capacity. . For example, the total number of mounted components of the component D mounted on the board B allocated to the component mounting line (line L5) is "9,806,967", the ideal CPH is "446,400/hour", and the event occurrence The CPH is "306,468/hour" and the comparison with the ideal CPH is "69%", and the event-free CPH is "340,520/hour" and the comparison with the ideal CPH is "76%".

In FIG. 8, when the current floor performance display button 82 is pressed, the display processing unit 13 causes the display unit 29 to display a simulation result (current floor performance) screen 60 (FIG. 6). When the current floor estimation display button 83 is pressed, the display processing unit 13 causes the display unit 29 to display a simulation result (current floor estimation) screen 70 (FIG. 7). When the condition change button 84 is pressed, the display processing unit 13 causes the display unit 29 to display the simulation setting screen 50 (FIG. 5). When the end button 85 is pressed, the display processing unit 13 ends the production capacity estimation process.

In the above, three screens are displayed as simulation result display screens: a simulation result (current floor actual result) screen 60, a simulation result (current floor estimated) screen 70, and a simulation result (new floor estimated) screen 80, and the current floor actual result display button Although an example of mutual switching at 82 or the like has been described, the present invention is not limited to this example. For example, the current floor performance display area 61 of the simulation result (current floor performance) screen 60, the current floor estimation display area 71 of the simulation result (current floor estimation) screen 70, and the new floor estimation display of the simulation result (new floor estimation) screen 80. Area 81 may be displayed on one screen.

In this manner, the display unit 29 compares and displays the estimated ideal production capacity, actual production capacity, event occurrence production capacity, event non-occurrence production capacity, etc. of a plurality of component mounting lines. This makes it possible to easily compare the production capacities of component mounting lines with different configurations. In addition, the production capacity estimation unit 16 estimates the floor production capacity, which is the production capacity of the entire floor, and the display unit 29 compares and displays a plurality of estimated floor production capacities. The production capacity also includes the number of components (total number of components to be mounted) that can be mounted on the board B, which is the mounting board, in a predetermined period. In addition, the production capacity estimating unit 16 calculates the configuration of the component mounting line (line information), the production order of the mounted boards (production plan), the production time of the mounted boards (production plan), the number of workers W (producer information 21). etc. to estimate the production capacity under different conditions.

Next, a production capacity estimation method (production capacity estimation program) for estimating the production capacity of the component mounting lines L1 to L3 configured by a plurality of component mounting apparatuses to produce mounted boards will be described along the flow of FIG. . First, the result collection unit 11 collects the operation results 25, which are the results of component mounting work, from a plurality of component mounting apparatuses (component mounting apparatuses M3 to M6) of the component mounting lines L1 to L3 installed on the floor F ( ST1: operation result collection step). Next, the production capacity calculation unit 12 calculates the actual production capacity (total number of mounted components, actual CPH, effective CPH), which is the actual value of the production capacity for each of the component mounting lines L1 to L3, from the actual operation record 25 (ST2: production capacity calculation process).

Next, the production plan (production plan information 18) of the mounted boards to be produced in the component mounting lines L1 to L3, the board information 19 regarding the configuration of the mounted boards, and the component mounting apparatus execute the production work for the mounted boards. production data 20, worker information 21 about the worker W who works on the component mounting device, line information (floor information 22) about the configuration of the component mounting lines L1 to L3, and the component mounting device Spec information 23 about specs and event information 24 about events requiring work by workers W on component mounting lines L1 to L3 and their frequency of occurrence are acquired (ST3: information acquisition step).

In FIG. 9, the optimization processing unit 15 then generates production data 20 obtained by optimizing the arrangement information of the components D in the component supply units of the component mounting apparatuses M3 to M6 so as to reduce the production time in the acquired production plan. A production plan is created by optimizing the allocation of mounting boards to the component mounting lines L1 to L3 and the production sequence (ST4: optimization step). Next, the production capacity estimation unit 16 estimates the production capacity (ideal production capacity, event production capacity, non-event production capacity) of the component mounting lines L1 to L3 based on the acquired information and the optimized information. (ST5: production capacity estimation step). Next, the display processing unit 13 compares the plurality of estimated production capacities and causes the display unit 29 to display them (ST6: display step) (eg, FIGS. 6 to 8). This makes it possible to easily compare the production capacities of component mounting lines with different configurations.

When estimating the production capacity again by changing the conditions such as the configuration of the floor F, the component mounting lines L1 to L3, and the production plan (No in ST7), the information acquisition process (ST3) to the display process (ST6) are repeated. executed. At that time, the simulation setting screen 50 (FIG. 5) or the like is used to input or change the simulation conditions.

As described above, the management computer 3 of the present embodiment includes a production plan (production plan information 18) for a mounted board, board information 19 relating to the configuration of the mounted board, production data 20 for the component mounting apparatus, component Worker information 21 about worker W who works on the mounting device, line information (floor information 22) about the configuration of component mounting lines L1 to L3, spec information 23 about the spec of the component mounting device, and parts a production capacity estimating unit 16 for estimating the production capacity of the component mounting lines L1 to L3 based on event information 24 relating to an event requiring work by the worker W on the mounting lines L1 to L3 and the frequency of occurrence of the event; , and a display unit 29 for comparing and displaying a plurality of estimated production capacities, and estimating the production capacities of the component mounting lines L1 to L3.

This makes it possible to easily compare the production capacities of component mounting lines with different configurations.

INDUSTRIAL APPLICABILITY The production capacity estimation system, production capacity estimation method, and production capacity estimation program of the present invention have the effect of being able to easily compare the production capacities of component mounting lines with different configurations, and are used in the field of mounting components on substrates. Useful.

3 Management computer (production capacity estimation system)
B Board D Parts F Floor L1~L3 Parts mounting line M3~M6 Parts mounting equipment (Equipment for mounting parts)
W worker

Claims (9)

A production capacity estimation system for estimating the production capacity of a component mounting line composed of a plurality of component mounting apparatuses to produce mounted boards,
a production plan for a mounting board to be produced on the component mounting line; board information relating to the configuration of the mounting board; production data for the component mounting apparatus to perform production work for the mounting board; Worker information about a worker who works on the device, line information about the configuration of the component mounting line, specification information about the specifications of the component mounting device, and worker information on the component mounting line. a production capacity estimating unit for estimating the production capacity of the component mounting line based on a required event and event information about its occurrence frequency;
and a display unit that compares and displays the plurality of estimated production capacities. The production capacity estimating unit includes an ideal production capacity estimated based on the specifications of the component mounting apparatus, an event-free production capacity estimated assuming that the event does not occur, and the event 2. The system for estimating production capacity according to claim 1, which estimates at least any two of: an event-occurrence production capacity estimated in consideration of the occurrence frequency of . a result collection unit that collects operation results of the plurality of component mounting apparatuses;
a production capacity calculation unit that calculates an actual production capacity, which is an actual value of the production capacity, from the operation performance,
3. The production capacity estimation system according to claim 1, wherein the display unit compares and displays the estimated production capacity and the actual production capacity. 4. The production capacity estimation system according to any one of claims 1 to 3, wherein said line information includes information on facility elements possessed by said component mounting apparatus. The production capacity estimating unit estimates the production capacity under conditions in which at least one of a configuration of the component mounting line, a production order of the mounted boards, a production time of the mounted boards, and the number of workers is different. Item 5. The production capacity estimation system according to any one of Items 1 to 4. A plurality of component mounting lines are arranged on the floor,
The production capacity estimating unit estimates a floor production capacity that is the overall production capacity of the floor,
6. The production capacity estimation system according to any one of claims 1 to 5, wherein said display unit compares and displays a plurality of said estimated floor production capacities. 6. The production capacity estimation system according to any one of claims 1 to 5, wherein said production capacity includes the number of parts that can be mounted on said mounting board in a predetermined period. A production capacity estimation method for estimating the production capacity of a component mounting line composed of a plurality of component mounting apparatuses to produce mounted boards,
A production plan for a mounting board to be produced on the component mounting line, board information relating to the configuration of the mounting board, production data for the component mounting apparatus to perform production work on the mounting board, and the component Worker information about a worker who works on the mounting device, line information about the configuration of the component mounting line, spec information about the spec of the component mounting device, and worker information about the component mounting line. a production capacity estimation step of estimating the production capacity of the component mounting line based on an event requiring work and event information regarding the frequency of occurrence of the event;
a display step of comparing the plurality of estimated production capacities and displaying them on a display unit. A production capacity estimation program that causes a computer to estimate the production capacity of a component mounting line composed of a plurality of component mounting apparatuses to produce mounted boards,
A production plan for a mounting board to be produced on the component mounting line, board information relating to the configuration of the mounting board, production data for the component mounting apparatus to perform production work on the mounting board, and the component Worker information about a worker who works on the mounting device, line information about the configuration of the component mounting line, spec information about the spec of the component mounting device, and worker information about the component mounting line. a production capacity estimation step of estimating the production capacity of the component mounting line based on an event requiring work and event information about the frequency of occurrence of the event;
and a display step of comparing the plurality of estimated production capacities and displaying them on a display unit.

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