JP2005284818A - Productivity evaluation method and apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a productivity evaluation method and a productivity evaluation apparatus that increase productivity by facilitating the update of planned values necessary for production planning. <P>SOLUTION: The productivity evaluation method includes a planned value acquisition step of acquiring planned values from a plan accumulation part 201 storing planned values of time used for production planning (Step S200), an actual value acquisition step of acquiring actual values corresponding to the planned values (Step S202), a display step of displaying the planned values and the actual values comparatively in a single screen (Step S210), a determination step of determining whether or not there is a command to update the planned values (Step S212), and an update step of updating the planned values in the plan accumulation part 201 to the actual values if an update command is found (Step S214). <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a productivity evaluation method and a productivity evaluation apparatus for evaluating the productivity of electronic devices and the like.

2. Description of the Related Art Conventionally, production planning apparatuses that plan production of electronic equipment have been provided.
An electronic device is produced, for example, by performing various operations such as soldering and mounting electronic components on a printed circuit board, and each of these operations is performed by an individual machine suitable for the operation. Many such machines are installed in an electronic device production factory, and these machines are managed for each line (production line) composed of a group of machines that perform a series of flow operations.

  The production planning apparatus acquires a shipping plan including the product number, the number of productions, and the delivery date of the electronic device, and creates a production plan corresponding to the shipping plan by referring to stored data stored in advance. The accumulated data includes, for example, planned values such as a process sequence corresponding to each electronic device of each product number, a line, an operation date / time of the line, and the number of productions. The production plan created by the production planning apparatus includes the number of productions including defective products, the scheduled production start time, the planned end time, and the like. In an electronic equipment production factory, each machine is operated based on a production plan created by such a production planning apparatus to produce electronic equipment.

In recent years, a productivity evaluation apparatus has been proposed that displays a production lot order plan, which is a production plan created by such a production planning apparatus, and production results such as the material preparation status for each lot (for example, patents). Reference 1).
JP 2002-312015 A

  However, the productivity evaluation apparatus of Patent Document 1 only displays the production plan and production results in limited items, and does not perform maintenance of the plan value required for performing the production plan. There is a problem that the accuracy of the production plan is lowered and the productivity is deteriorated.

  That is, in order to increase the planning accuracy so that the production plan created by the production planning device approaches the production result, it is necessary to update the plan value of the accumulated data based on the result value. However, the productivity evaluation apparatus of Patent Document 1 cannot update the planned value of such accumulated data.

  Therefore, the present invention has been made in view of such problems, and a productivity evaluation method and a productivity evaluation apparatus that improve the productivity by facilitating the update of the plan value required for performing the production plan. The purpose is to provide.

  In order to achieve the above object, a productivity evaluation method according to the present invention is a method for evaluating production of a product to be produced by a series of operations by a plurality of production apparatuses, and for planning the production A plan value acquisition step for acquiring the plan value from a storage medium storing a plan value for the time to be used; an actual value acquisition step for acquiring an actual value corresponding to the plan value; and the plan value acquisition step; A display step for displaying on one screen in a manner capable of comparing the plan value and the actual value acquired in the actual value acquisition step, a determination step for determining whether or not there is an instruction to update the planned value, and the determination step And an update step of updating the storage medium so as to match the planned value with the actual value when it is determined that there is an update instruction.

  As a result, the planned value for the time used for the production plan is displayed on one screen together with the actual value, and when there is an instruction to update, the planned value is updated to match the actual value. Can easily compare the displayed plan value with the actual value, and can easily determine whether or not the plan value should be updated. As a result, it is possible to appropriately update the plan value relating to the important time in the production plan, thereby improving the accuracy of the production plan and improving the productivity.

  Further, in the planned value acquisition step, a planned value for a group of production devices included in the plurality of production devices is acquired, and in the actual value acquisition step, an actual value for the group of production devices is acquired, and the display step Then, the plan value and the actual value may be displayed in association with the group of production apparatuses. For example, each of the planned value and the actual value indicates a cycle time required for the operation of the group of production apparatuses for one production target product.

  Thereby, for example, because the plan value and the actual value are displayed in association with a group of production devices such as a line, the worker who performs the production easily identifies the line corresponding to the displayed planned value and the actual value, It is possible to easily determine whether or not a plan value such as a cycle time for the line should be updated.

  Further, the productivity evaluation method further includes a writing step of writing the planned value acquired in the planned value acquiring step and the actual value acquired in the actual value acquiring step as a history to a history recording medium, In the display step, the history written in the history recording medium may be displayed.

  Thereby, since the history of the plan value and the actual value is displayed, the worker who performs the production can easily determine whether or not the plan value should be updated with reference to the displayed past history. .

  Here, the productivity evaluation method according to the present invention is a method for evaluating the production of a product to be produced that is performed by a series of operations by a plurality of production apparatuses, and is a plan related to time used for planning the production. A plan value acquisition step for acquiring the plan value from a storage medium storing values, an actual value acquisition step for acquiring an actual value corresponding to the plan value, and the plan value acquired in the plan value acquisition step And a writing step of writing the actual value acquired in the actual value acquisition step to the history recording medium as a history, and a plan value and an actual value for a predetermined period based on the history written to the history recording medium. And a display step of displaying in a manner that can be compared.

  Thereby, since the plan value and the actual value for the predetermined period are displayed in a manner that can be compared, the worker who performs the production easily grasps the difference between the displayed plan value and the actual value for the predetermined period. be able to. As a result, the worker can review the production process based on the difference, and can improve productivity.

  Further, in the planned value acquisition step, a planned value for a group of production devices included in the plurality of production devices is acquired, and in the actual value acquisition step, an actual value for the group of production devices is acquired, and the display step Then, the plan value and the actual value for the predetermined period may be displayed in association with the group of production apparatuses. For example, in the planned value acquisition step, a planned value for a loss time during which the group of production apparatuses are not operating in the production process is acquired, and in the actual value acquisition step, an actual value for the loss time is acquired, In the display step, the plan value and the actual value for the predetermined period with respect to the loss time are displayed.

  As a result, for example, the plan value and the actual value for a predetermined period are displayed in association with a group of production devices such as a line, so that the worker who performs the production can easily use the line corresponding to the displayed planned value and the actual value. The production process for the line can be reviewed from the viewpoint of loss time, for example.

  The productivity evaluation method may further include a result display step of displaying a result value for a predetermined period based on the history written in the history recording medium. For example, in the actual value acquisition step, a setup time required for switching the production target product for the group of production apparatuses is acquired as an actual value, and in the actual result display step, the transition of the setup time for each predetermined period Is displayed.

Thereby, for example, since the transition of the actual value such as the setup time is displayed, the worker who performs the production can review the production process based on the transition, and the productivity can be improved.
Note that the present invention can also be realized as a productivity evaluation apparatus or program for evaluating productivity by the above-described productivity evaluation method, or as a storage medium for storing the program.

  INDUSTRIAL APPLICABILITY The productivity evaluation method and the productivity evaluation apparatus according to the present invention have an operational effect that it is possible to easily update a planned value required for performing a production plan and improve productivity.

Hereinafter, a production plan evaluation apparatus according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an external view showing an external appearance of a production plan evaluation apparatus according to an embodiment of the present invention.

  The production plan evaluation apparatus 1 performs a production plan for a production target product using a plan value stored in advance, and evaluates the productivity of the production target product. For example, a general-purpose computer such as a personal computer is used. Is configured by installing dedicated software.

  That is, the production plan evaluation apparatus 1 according to the present embodiment has a function as a production plan apparatus that performs a production plan for an electronic device to be produced for each line composed of a group of machines that perform a series of operations, and its production. It also has a function as a productivity evaluation device for evaluating productivity.

FIG. 2 is a block diagram showing a configuration of the production plan evaluation apparatus 1 according to the present embodiment.
The production plan evaluation apparatus 1 includes an input unit 2 composed of a keyboard, a mouse, and the like, an apparatus main body 3 that performs calculation of information according to the operation of the input unit 2, and an image according to control from the apparatus main body 3. And a display unit 4 for displaying.

The apparatus main body 3 includes a production planning unit 200 that performs production planning and a productivity evaluation unit 100 that evaluates productivity.
In other words, in the present embodiment, the productivity evaluation apparatus is configured by the input unit 2, the productivity evaluation unit 100 of the apparatus main body 3, and the display unit 4.

  The production planning unit 200 includes a plan storage unit 201 that stores in advance a plan value required for performing a production plan, and a scheduler unit 203 that creates a production plan using the plan value stored in the plan storage unit 201. Prepare.

  The plan accumulating unit 201 accumulates the model number of the electronic device, the process order, the operation possible date and time, and the number of productions as a planned value, and also accumulates a cycle time, a setup loss, a performance operating rate, and the like, which will be described later.

  The productivity evaluation unit 100 accumulates the actual result value and the plan value acquired from the input unit 2, the plan acquisition unit 102 that acquires the plan value from the plan storage unit 201, and the acquired actual value and the plan value. The evaluation storage unit 103, the totaling unit 104 that totals the data stored in the evaluation storage unit 103, the scheduler starting unit 105 that starts the production planning unit 200, and the plan value stored in the plan storage unit 201 are updated. An update unit 106 and a main control unit 107 that controls each of the above components such as the update unit 106 are provided.

  The input unit 2 outputs a signal corresponding to the operation to the productivity evaluation unit 100 and the production planning unit 200 when operated by the user. For example, when the user inputs a record value to the input unit 2, the input unit 2 outputs a signal indicating the record value to the record acquisition unit 101.

The achievement acquisition unit 101 acquires the achievement value indicated by the signal output from the input unit 2, and outputs the achievement value to the main control unit 107.
The plan acquisition unit 102 acquires the plan value stored in the plan storage unit 201 and outputs the plan value to the main control unit 107.

  When the main control unit 107 acquires the actual value and the plan value from the actual acquisition unit 101 and the plan acquisition unit 102, the main control unit 107 displays the actual value and the plan value side by side on the display unit 4. Then, the main control unit 107 controls the update unit 106 according to the operation of the input unit 2 by the user so that the planned value stored in the planned storage unit 201 matches the actual value displayed on the display unit 4. To update. Further, the main control unit 107 creates a history of the acquired actual value and plan value, and stores the history in the evaluation accumulation unit 103.

  Further, the main control unit 107 extracts a history from the evaluation storage unit 103 in accordance with a signal acquired from the input unit 2 via the result acquisition unit 101, outputs the history to the totaling unit 104, and outputs the history to the totaling unit 104. The actual value and the planned value are aggregated in units such as month or day. When aggregation is performed by the aggregation unit 104, the main control unit 107 acquires the aggregation result from the aggregation unit 104, and causes the display unit 4 to display the aggregation result on the display unit 4 using a chart such as a graph. Further, the main control unit 107 activates the production planning unit 200 by controlling the scheduler activation unit 105 in accordance with the signal acquired from the input unit 2 via the result acquisition unit 101.

  The productivity evaluation unit 100 according to the present embodiment makes it easy for the user to update the plan value stored in the plan storage unit 201 of the production plan unit 200, and the plan value for a predetermined period. It is characterized in that productivity can be improved by displaying the actual value and the actual value as a chart.

FIG. 3 is an explanatory diagram for explaining a production process using the production plan evaluation apparatus 1 according to the present embodiment.
First, the user operates the input unit 2 to input a shipment plan indicating the device part number, the number of production, the delivery date, and the like of the electronic device that is the production target product to the production plan evaluation apparatus 1. That is, the production plan evaluation apparatus 1 acquires a shipment plan (step S100). The production plan evaluation apparatus 1 that has acquired the shipment plan creates a production plan that indicates the production start time, end time, etc. of each line using the plan value accumulated in the plan accumulation unit 201 based on the shipment plan ( Step S102). The operation of the production plan evaluation apparatus 1 in steps S100 and S102 is performed by the production plan unit 200.

When a production plan is created by the production plan evaluation device 1 in this way, the user operates each line based on the production plan to produce electronic devices (step S104).
After the production of the electronic device is performed, the user operates the input unit 2 again to input the actual production value to the production plan evaluation apparatus 1. That is, the production plan evaluation apparatus 1 collects actual values such as operating hours (step S106). Then, the production plan evaluation apparatus 1 calculates a performance utilization rate, a line balance, and the like from the collected actual values (step S108), and displays the result values including the calculation results in a manner that can be compared with the planned values. (Step S110).

  When the user who has viewed such actual values and plan values operates the input unit 2 to instruct the production plan evaluation apparatus 1 to update the plan values, the production plan evaluation apparatus 1 Accordingly, the plan value of the plan accumulation unit 201 is updated to match the actual value (step S112). The operations of the production plan evaluation apparatus 1 in steps S106 to S112 are performed by the productivity evaluation unit 100.

FIG. 4 is a diagram illustrating a transition state of a screen displayed on the display unit 4 by the main control unit 107.
The main control unit 107 causes the display unit 4 to display a main menu screen D10, a result input screen D20, a scheduler screen D30, a productivity evaluation screen D40, and a data maintenance screen D50.

  The main control unit 107 displays the main menu screen D10 along with its activation. The main menu screen D10 includes a button Bt1 labeled “Scheduler activation”, a button Bt2 labeled “Production record input”, a button Bt3 labeled “Productivity evaluation”, and “Data maintenance”. And a button Bt4 marked with.

  When the button Bt1 is selected by an operation of the input unit 2 by the user, the main control unit 107 activates the production planning unit 200 by controlling the scheduler activation unit 105. As a result, the scheduler unit 203 of the production planning unit 200 causes the display unit 4 to display a scheduler screen D30 for performing a production plan. The scheduler screen D30 represents a screen for receiving a shipping plan, a created production plan, and the like.

  When the button Bt2 is selected by the operation of the input unit 2 by the user, the main control unit 107 causes the display unit 4 to display a result input screen D20 for receiving a production result. The actual result input screen D20 includes an input main screen D21 indicating the planned value accumulated in the plan accumulating unit 201 and the actual value obtained by the actual result obtaining unit 101 by the operation of the input unit 2 by the user, and the input main screen. It is comprised from the setting screen D22 for selecting the item displayed on D21. The setting screen D22 is displayed on the display unit 4 when the button labeled “Detailed setting” on the input main screen D21 is selected.

  When the button Bt3 on the main menu screen D10 is selected by the operation of the input unit 2 by the user, the main control unit 107 reads the data accumulated in the evaluation accumulation unit 103 and executes the aggregation process of the data in the aggregation unit 104 As a result, the productivity evaluation screen D40, which is a result of the aggregation, is displayed on the display unit 4. This productivity evaluation screen D40 includes a monthly evaluation screen D41 showing a result of evaluating productivity in units of months, a daily evaluation screen D42 showing a result of evaluating productivity in units of days, and a tact balance described later. One of the tact balance screens D43 shown.

  When the button Bt4 on the main menu screen D10 is selected by an operation of the input unit 2 by the user, the main control unit 107 uses the data accumulated in the evaluation accumulation unit 103 as, for example, cycle time, setup loss, or performance availability. Each time it is read out, the read content is displayed as a data maintenance screen D50. The data maintenance screen D50 is any one of a cycle time screen D51 indicating a cycle time, a setup loss screen D52 indicating a setup loss, and a performance availability screen D53 showing a performance availability. When the user changes the display content by operating the input unit 2 in a state where the data maintenance screen D50 is displayed on the display unit 4, the main control unit 300 changes the production planning unit 200 according to the change content. The plan value accumulated in the plan accumulation unit 201 is updated by the update unit 106.

FIG. 5 is a screen display diagram illustrating an example of the input main screen D21 of the result input screen D20.
The input main screen D21 is a screen that receives the actual value for each line and displays the actual value and the planned value. Specifically, on the input main screen D21, a line name field a1 in which the name of the line to be input is displayed, a model part number field a2 in which the model part number of the electronic device produced by the line is displayed, Columns a3 to a6 relating to the number of production units, columns a7 to a10 relating to specified losses, columns a11 to a14 relating to management losses, columns a15 to a19 relating to setup losses, columns a20 to a22 relating to operating hours, and cycle times are displayed. Cycle time columns a23 to a26, columns a27 to a29 related to the latest cycle time, columns a30 to a32 related to performance availability, and columns a33 to a38 related to equipment performance loss.

  Here, the specified loss is, for example, a time during which production determined by the user's company is not performed, and specifically indicates a time required for a break, a meal, an event, a morning and evening party, a shift takeover, or the like.

  The setup loss is the time required to switch the model of the electronic device to be produced. Specifically, the setup loss is the time (rise time) required to produce and check the first electronic device after switching. Including.

The management loss is a time during which the line is not operating due to factors other than the above-mentioned specified loss and setup loss, and specifically indicates a time required for inventory, maintenance, waiting for production due to a shortage, and the like.
The time consisting of regulation loss, setup loss and management loss is the time obtained by subtracting the operating time during which the line is operating from the operating time when the factory owning the line operates the factory for the production of electronic equipment. Become.

The cycle time indicates the time required to produce one electronic device as a production target product.
The latest cycle time indicates the longest cycle time among the cycle times of the machines included in one line. This latest cycle time corresponds to the cycle time of the line.

The performance operating rate indicates the ratio of the net operating time to the operating time.
The equipment performance loss is a time other than the net operation time included in the operation time. That is, the equipment performance loss is a time during which the production process is stopped due to the factor of the machine itself, and indicates a trouble stop time, a waiting time for the previous process, a waiting time for the subsequent process, and the like.

  In the columns a3 to a6 relating to the number of production, the number of production column a3 in which the number of production including defective products of the electronic device is displayed and the number of production plans in which the number of production accumulated in the plan accumulation unit 201 is displayed as the plan value. The column a4, the production result number column a5 in which the number of non-defective products of the electronic device input as the actual value from the input unit 2 is displayed, and the number of defective electronic devices input as the actual value from the input unit 2 It is comprised from the defect number column a6 displayed.

  Columns a7 to a10 related to the specified loss include a specified loss item column a8 in which detailed items (such as breaks and meals) of the specified loss are selectively displayed according to the operation of the input unit 2, and the start date and time and end of the detailed items A specified loss field a7 in which the date and time are displayed, a specified loss result field a9 in which the time required for the detailed item is displayed as an actual value, and a specified loss plan field a10 in which the time required for the detailed item is displayed as a planned value It consists of.

  For example, when “rest” is displayed in the specified loss item column a8, the start date and end date and time of the break stored in the plan storage unit 201 are displayed by default in the specified loss column a7. The user operates the input unit 2 to correct the start date and time and the end date and time displayed by default in the specified loss column a7 according to the actual results.

In the specified loss result column a9, the time between the start date and time and the end date and time displayed in the specified loss column a7 is displayed as an actual value corresponding to the item displayed in the specified loss item column a8.
In the prescribed loss plan column a10, the time accumulated in the plan accumulation unit 201 is displayed as a planned value for the item displayed in the prescribed loss item column a8.

  The management loss columns a11 to a14 are a management loss item column a12 in which detailed items (inventory, maintenance, etc.) of the management loss are selectively displayed according to the operation of the input unit 2, and the start date and time and end of the detailed item Management loss column a11 in which the date and time are displayed, management loss result column a13 in which the time required for the detailed item is displayed as an actual value, and management loss plan column a14 in which the time required for the detailed item is displayed as a planned value It consists of.

  In the management loss column a11, for example, when “maintenance” is displayed in the management loss item column a12, the maintenance start date and time and end date and time stored in the plan storage unit 201 are displayed by default. The user operates the input unit 2 to correct the start date and time and the end date and time displayed by default in the management loss column a11 according to the actual results.

In the management loss result column a13, the time between the start date and time and the end date and time displayed in the management loss column a11 is displayed as a result value corresponding to the item displayed in the management loss item column a12.
In the management loss plan column a14, the time accumulated in the plan accumulation unit 201 is displayed as a plan value for the item displayed in the management loss item column a12.

  In the columns a15 to a19 relating to the setup loss, the setup loss item column a16 in which detailed items (such as switching and rising) of the setup loss are selectively displayed according to the operation of the input unit 2, and the start of the detailed items The setup loss field a15 in which the date and time and the end date and time are displayed, the setup loss result field a17 in which the time required for the detailed item is displayed as the actual value, and the time required for the detailed item are displayed as the planned value. The setup loss plan column a18 and an update check column a19 that displays whether or not it is recommended to update the plan value displayed in the setup loss plan column a18 to the actual value.

  In the setup loss column a15, for example, when “switching” is displayed in the setup loss item column a16, the start date and time and end date and time of “switching” stored in the plan storage unit 201 are displayed by default. The The user operates the input unit 2 to correct the start date and time and the end date and time displayed by default in the setup loss field a15 according to the actual results.

In the setup loss result column a17, the time between the start date and time and the end date and time displayed in the setup loss column a15 is displayed as a record value corresponding to the item displayed in the setup loss item column a16.
In the setup loss plan column a18, the time accumulated in the plan accumulation unit 201 is displayed as a plan value for the item displayed in the setup loss item column a16.

In the update check column a19, whether or not to recommend an update is displayed according to the operation of the input unit 2.
The columns a20 to a22 related to the operation time are between the operation date and time column a20 in which the operation start date and time and the end date and time are displayed according to the operation of the input unit 2, and between the start date and time and the end date and time displayed in the operation date and time column a20. The operation result column a21 displays the operation time as the actual value, and the operation plan column a22 displays the operation time stored in the plan storage unit 201 as the plan value.

  In the operation date / time column a20, the operation start date / time and end date / time stored in the plan storage unit 201 are displayed by default. The user operates the input unit 2 to correct the start date and time and the end date and time displayed by default in the operation date and time column a20 according to the actual results.

In the cycle time fields a23 to a26, for example, “30.5 seconds” is displayed as the actual value of the cycle time of the machine that performs printing by the operation of the input unit 2 by the user.
The columns a27 to a29 relating to the latest cycle time include a latest result column a27 in which the latest cycle time is displayed as an actual value, a latest plan column a28 in which the latest cycle time is displayed as a planned value, and the latest It consists of an update check field a29 that displays whether or not it is recommended to update the plan value displayed in the plan field a28 to the actual value.

  The latest cycle time a27 displays the longest cycle time among the cycle times displayed in the cycle time columns a23 to a26. In the latest plan column a28, the plan value of the latest cycle time accumulated in the plan accumulation unit 201 is displayed.

In the update check field a29, whether or not to recommend an update is displayed according to the operation of the input unit 2 by the user.
The columns a30 to a32 related to the performance utilization rate include a performance utilization rate result column a30 in which the actual value of the performance utilization rate is displayed, a performance utilization rate plan column a31 in which the planned value of the performance utilization rate is displayed, and the performance utilization rate plan. The update check column a32 is displayed for displaying whether or not it is recommended to update the planned value displayed in the column a31 to the actual value.

  In the performance utilization rate result column a30, (the latest cycle time displayed in the latest result column a27) × (production number displayed in the production number column a3) / (operation time displayed in the operation result column a21) The performance availability calculated by / 60 × 100 is displayed. In the performance availability plan column a31, a planned value of the performance availability stored in the plan storage unit 201 is displayed. In the update check column a32, whether or not to recommend an update is displayed according to the operation of the input unit 2 by the user.

  The columns a33 to a38 relating to the equipment performance loss include a previous waiting field a33 in which the time required for waiting for the previous process is displayed as an actual value, a later waiting field a34 in which the time required for waiting for the subsequent process is displayed as an actual value, Maintenance field a35 in which the time required for maintenance is displayed as an actual value, trouble field a36 in which the time spent due to trouble is displayed as an actual value, and the part out of service field in which the time spent due to out of parts is displayed as an actual value a37 and the other field a38 in which the time required for other factors is displayed as the actual value. In such a pre-waiting field a33, the time is displayed by the operation of the input unit 2 by the user.

  When such an input main screen D <b> 21 is displayed on the display unit 4, the productivity evaluation unit 100 of the production plan evaluation device 1 acquires the actual production value by operating the input unit 2 by the user.

FIG. 6 is a screen display diagram illustrating an example of the setting screen D22 of the result input screen D20.
This setting screen D22 includes items such as “model part number”, “line name”, and “specified loss” on the input main screen D21, that is, the above-described model part number column a2, line name column a1, columns a7 to a10 regarding specified loss, and the like. Is selectively displayed on the input main screen D21.

  Specifically, the setting screen D22 includes an item column b1 in which each item of the input main screen D21 is displayed, a display column b2 in which whether or not to display the item is displayed, and detailed items for the item. A detail selection field b3 that displays whether or not to perform display, a plan display field b4 that displays whether or not to display a plan value for the item, and the contents of the above-described detailed items are displayed. There are division fields b5 to b14.

  In the display column b2, the detailed selection column b3, and the plan display column b4, “Yes” or “No” is selectively displayed by the operation of the input unit 2 by the user. In addition, in the classification columns b5 to b14, names of desired detailed items are displayed by the operation of the input unit 2 by the user.

  For example, items such as “model part number”, “line name”, and “specified loss” are displayed in the item column b1, and “Yes” is displayed in association with these items in the display column b2. When “YES” is displayed in the display field b2 associated with “model part number”, the item “model part number”, that is, the model part number field a2 is displayed on the input main screen D21. When “NO” is displayed, the “model part number” item is not displayed on the input main screen D21.

  Further, when “Yes” is displayed in the detail selection field b3 in association with the “specified loss” in the item field b1, the “break” displayed in the classification fields b5 to b14 in association with the “specified loss”. Detailed items such as “” and “meal” are selectively displayed in the specified loss item column a8 of the input main screen D21.

The user can select the display item of the input main screen D21 by inputting to the setting screen D22.
FIG. 7 is a screen display diagram showing an example of the cycle time screen D51 of the data maintenance screen D50.

This cycle time screen D51 displays the planned value and actual value of the cycle time for each line as a history.
Specifically, on the cycle time screen D51, a production date column c1 in which the date when the electronic device of the production target product is produced is displayed, a product number column c2 in which the model number of the electronic device is displayed, and the electronic device The line name field c3 in which the line name of the line where the production was performed is displayed, the code field c4 in which the code for distinguishing the line having the same line name is displayed, and the plan value of the cycle time for the line is displayed. Plan value column c5, actual value column c6 where the actual value of the cycle time for the line is displayed, recommendation column c7 where whether or not to update the plan value is recommended, and whether or not to update are displayed And an update column c8.

  In the production date column c1, the product number column c2, the line name column c3, the actual value column c6, and the recommendation column c7, the contents input on the input main screen D21 are displayed. For example, in the recommendation column c7, the content displayed in the update check column a29 of the input main screen D21 is displayed. That is, when the update check column a29 on the input main screen D21 is checked, “○” indicating that the update is recommended is displayed in the recommendation column c7.

In the plan value column c5, the plan value of the cycle time accumulated in the plan accumulation unit 201 of the production planning unit 200 is displayed.
In the update column c8, “◯” indicating that the update is performed by the operation of the input unit 2 by the user is displayed.

  When the user compares the plan value displayed on the cycle time screen D51 with the actual value and determines that the plan value is significantly different from the actual value, the user operates the input unit 2 to display “ “○” is displayed. Specifically, when the user operates the input unit 2 to select a button displayed as “recommended → select”, “○” is displayed in the update column c8 corresponding to the line displayed as “◯” in the recommendation column c7. Is displayed. When the user selects a button displayed as “collective release”, all “◯” displayed in the update column c8 are deleted.

  Here, when the user operates the input unit 2 and selects a button displayed as “update confirmed”, the planned value of the cycle time is updated with respect to the line where “◯” is displayed in the update column c8. .

  For example, when “O” is displayed in the update column c8 corresponding to the line of the line name “Assembly 01” that produced the model part number “MODEL2” on the production date “February 15, 2004”, “ When the button displayed as “update confirmed” is selected, the main control unit 107 determines that the plan value “50” of the cycle time stored in the plan storage unit 201 of the production plan unit 200 is the actual value “58.0”. The plan value is updated by the updating unit 106 so that

  Thus, in this embodiment, since the plan value and the actual value of the cycle time are displayed in a manner that can be compared, the user can easily compare both values and determine whether or not to update, and the plan value can be determined. Can be updated. As a result, it is possible to appropriately update the plan value of the important cycle time in the production plan, increase the accuracy of the production plan, and improve the productivity.

FIG. 8 is a screen display diagram illustrating an example of the setup loss screen D52 of the data maintenance screen D50.
The setup loss screen D52 displays setup loss plan values and actual values for each line group including a plurality of lines as a history.

  Specifically, on the setup loss screen D52, the production date column d1 in which the date of production is displayed, the line group column d2 in which the name of the line group is displayed, and the electronic devices produced in the line group are displayed. A previous product number group column d3 in which the name of the product number group is displayed, a subsequent product number group column d4 in which the name of the product number group of the electronic device produced in the line group after the electronic device in the product number group is displayed, and the line group A planned value field d5 in which the planned value of the setup loss is displayed, an actual value field d6 in which the actual value of the setup loss for the line group is displayed, and a recommendation in which whether or not to update the planned value is recommended is displayed. There is a column d7 and an update column d8 in which whether or not to update is displayed. Here, the product number group refers to one group in which a plurality of different types of electronic devices are sorted based on predetermined commonality.

  In the production date column d1, the line group column d2, the previous product number group column d3, the subsequent product number group column d4, the actual value column d6, and the recommendation column d7, items are displayed based on the contents input on the input main screen D21. The For example, the content displayed in the update check column a19 of the input main screen D21 is displayed in the recommendation column d7 as in the cycle time screen D51 described above. That is, when the update check column a19 on the input main screen D21 is checked, “○” indicating that the update is recommended is displayed in the recommendation column d7.

In the plan value column d5, the plan value of the setup loss accumulated in the plan accumulation unit 201 of the production planning unit 200 is displayed.
In the update column d8, “◯” indicating that updating is performed by the operation of the input unit 2 by the user is displayed.

  When the user compares the plan value displayed on the setup loss screen D52 with the actual value and determines that the plan value is significantly different from the actual value, the user operates the input unit 2 to enter the update field d8. “○” is displayed. Here, when the user operates the input unit 2 to select a button displayed as “update confirmed”, the planned value is updated for the line group whose “O” is displayed in the update field d8.

  For example, the update column d8 corresponding to the line group “INS” switched from the electronic device of the previous product number group “PCB1” to the production of the electronic device of the subsequent product number group “PCB2” on the production date “February 15, 2004” When the “update confirmation” button is selected when “O” is displayed, the main control unit 107 causes the planned loss plan value “5” accumulated in the plan accumulation unit 201 of the production planning unit 200 to be displayed. Causes the update unit 106 to update the planned value so that the actual value becomes “4”.

  As described above, in the present embodiment, since the planned value and actual value of the setup loss are displayed in a manner that can be compared, the user can easily compare both values to determine whether or not to update them, and the planned value Can be updated. As a result, the plan value of the important setup loss in the production plan can be appropriately updated to improve the accuracy of the production plan and improve the productivity.

FIG. 9 is a screen display diagram illustrating an example of the performance utilization rate screen D53 of the data maintenance screen D50.
The performance availability screen D53 displays the planned performance value and the actual value of the performance availability for each line as a history.

  Specifically, the performance availability screen D53 includes a production date column e1 in which the date on which the electronic device to be produced is produced, a product number column e2 in which the model number of the electronic device is displayed, and the electronic device. The line name field e3 in which the line name of the line where the production was performed is displayed, the code field e4 in which the code for distinguishing the line with the same line name is displayed, and the planned value of the performance availability for the line are displayed. Planned value column e5, actual value column e6 for displaying the actual value of the performance utilization rate for the line, recommendation column e7 for displaying whether or not to update the planned value, and whether to update And an update field e8 in which is displayed.

  In the production date column e1, the product number column e2, the line name column e3, the actual value column e6, and the recommendation column e7, the contents input on the input main screen D21 are displayed. For example, in the recommendation column e7, the contents displayed in the update check column a32 of the input main screen D21 are displayed. That is, when the update check column a32 of the input main screen D21 is checked, “○” indicating that the update is recommended is displayed in the recommendation column e7.

In the plan value column e5, the plan value of the performance utilization rate accumulated in the plan accumulation unit 201 of the production planning unit 200 is displayed.
In the update column e8, “◯” indicating that updating is performed by the operation of the input unit 2 by the user is displayed.

  When the user compares the set value displayed on the performance availability screen D53 with the actual value and determines that the plan value is different from the actual value, the user operates the input unit 2 to enter the update field e8. “○” is displayed. Here, when the user operates the input unit 2 to select a button displayed as “update confirmed”, the plan value is updated for the line where “◯” is displayed in the update field e8.

  For example, when “O” is displayed in the update column e8 corresponding to the line of the line name “Packing 01” which has produced the model part number “MODEL1” on the production date “February 15, 2004”, “ When the “confirm update” button is selected, the main control unit 107 sets the performance availability rate plan value “79.0%” stored in the plan storage unit 201 of the production planning unit 200 to the actual value “82.0”. % "Is executed by the updating unit 106 so that the planned value is updated.

  As described above, in the present embodiment, since the planned value and the actual value of the performance utilization rate are displayed in a manner that can be compared, the user can easily compare both values and determine whether or not to update the planned value. Can be updated. As a result, it is possible to appropriately update the planned value of the performance utilization rate that is important in the production plan, increase the accuracy of the production plan, and improve the productivity.

FIG. 10 is a screen display diagram illustrating an example of the tact balance screen D43 of the productivity evaluation screen D40.
This tact balance screen D43 displays the actual value of tact balance for each line as a history. Here, the tact balance is expressed by the fastest cycle time / latest cycle time. The fastest cycle time indicates the shortest cycle time among the cycle times of each machine included in one line.

  Specifically, on the tact balance screen D43, a production date column f1 in which the date of production of the electronic device to be produced is displayed, a product number column f2 in which the model number of the electronic device is displayed, and the electronic device A line name field f3 in which the line name of the line where the production was performed is displayed, a code field f4 in which a code for distinguishing lines having the same line name is displayed, and the cycle time of each machine included in the line is displayed. There are tact fields f5 to f9 that are displayed, and a tact balance field f10 that displays the tact balance. The contents input on the input main screen D21 are displayed in the respective fields f1 to f9, and the tact balance calculated by the main control unit 107 based on the cycle time input on the input main screen D21 is displayed in the tact balance field f10. The balance is displayed.

FIG. 11 is a screen display diagram illustrating an example of the daily evaluation screen D42 of the productivity evaluation screen D40.
This daily unit evaluation screen D42 includes a time transition graph g1 indicating daily transitions such as a prescribed loss and a management loss in a predetermined line, and a rate transition graph g2 indicating daily transitions such as a time operating rate and a performance operating rate. Is displayed. Here, the time operation rate indicates the ratio of the operation time of the line to the time required for all production processes, that is, the time during which the factory is operating.

The time transition graph g1 shows a daily transition of the specified loss, the management loss, the setup loss, the equipment performance loss, and the net operation time with a bar graph.
The rate transition graph g2 is a line graph showing the daily transition of the hourly operation rate, the performance operation rate, the non-defective product rate, the overall equipment efficiency, and the line balance. Here, the non-defective product rate indicates the ratio of the number of non-defective products produced to the total number of produced electronic devices. The total equipment efficiency is the product of the time utilization rate, the performance utilization rate, and the non-defective product rate.

  In such time transition graph g1 and rate transition graph g2, the main control unit 107 outputs the history accumulated in the evaluation accumulation unit 103 to the aggregation unit 104, and the actual values included in the history are aggregated in units of days. It is created by letting it total. When a line is selected by the user's operation of the input unit 2, the main control unit 107 causes the display unit 4 to display the respective graphs for the selected line.

  As described above, in the present embodiment, since the transition of the actual value such as the specified loss and the hourly operation rate is displayed on a daily basis, the user can review the production process from the transition, and as a result, the productivity is improved. Can be achieved.

FIG. 12 is a screen display diagram showing another example of the daily evaluation screen D42 of the productivity evaluation screen D40.
This daily unit evaluation screen D42 includes breakdown graphs h1 to h4 showing a breakdown of prescribed loss and management loss on a predetermined day (for example, “March 5, 2004”), and each loss such as prescribed loss on the prescribed day. A comparison graph h5 showing a comparison between the planned value and the actual value is displayed for each line.

  The breakdown graph h1 shows a breakdown of time required for detailed items such as breaks and meals included in the specified loss as a pie chart. The breakdown graph h2 shows a breakdown of time required for detailed items such as maintenance and inventory included in the management loss as a pie chart. The breakdown graph h3 shows a breakdown of time required for detailed items such as switching and rising included in the setup loss in a pie chart. The breakdown graph h4 shows a breakdown of time required for detailed items such as waiting for the previous process and waiting for the subsequent process included in the equipment performance loss as a pie chart.

The comparison graph h5 shows the planned value and the actual value for the net operation time, the equipment performance loss, the setup loss, the management loss, and the specified loss in a band graph.
The breakdown graphs h1 to h4 and the comparison graph h5 are such that the main control unit 107 outputs the planned value and the actual value on a predetermined day accumulated in the evaluation accumulating unit 103 to the totaling unit 104, and the planned value and actual result It is created by causing the totaling unit 104 to total the values. When the predetermined day or line is selected by the user operating the input unit 2, the main control unit 107 causes the display unit 4 to display the respective graphs for the selected day and line.

  As described above, in the present embodiment, since the planned value such as the net time on a predetermined day and the actual value are displayed as the comparison graph h5, the user can calculate the planned value and the actual value from the displayed comparison graph h5. Can be easily grasped. As a result, the production process can be reviewed based on the difference, and productivity can be improved.

  In the present embodiment, since the breakdown of the actual values such as the prescribed loss on the predetermined date is displayed as the breakdown graphs h1 to h4, the user can review the production process from the breakdown, and as a result, the productivity Improvements can be made.

FIG. 13 is a screen display diagram illustrating an example of the monthly evaluation screen D41 of the productivity evaluation screen D40.
This monthly unit evaluation screen D41 includes a time transition graph i1 indicating a monthly transition such as a prescribed loss and a management loss in a predetermined line, and a rate transition graph i2 indicating a monthly transition such as a time operating rate and a performance operating rate. Is displayed.

The time transition graph i1 shows a monthly transition of the specified loss, the management loss, the setup loss, the equipment performance loss, and the net operation time in a bar graph.
The rate transition graph i <b> 2 is a line graph showing the monthly transition of the hourly operation rate, the performance operation rate, the non-defective product rate, the overall equipment efficiency, and the line balance.

  In such a time transition graph i1 and rate transition graph i2, the main control unit 107 outputs the history accumulated in the evaluation accumulation unit 103 to the aggregation unit 104, and the actual values included in the history are aggregated on a daily basis. It is created by letting it total. When a line is selected by the user's operation of the input unit 2, the main control unit 107 causes the display unit 4 to display the respective graphs for the selected line.

  As described above, in this embodiment, since the transition of the actual value such as the specified loss and the hourly operation rate is displayed on a monthly basis, the user can review the production process from the transition, and as a result, the productivity is improved. Can be achieved.

FIG. 14 is a screen display diagram showing another example of the monthly evaluation screen D41 of the productivity evaluation screen D40.
This monthly unit evaluation screen D41 includes breakdown graphs j1 to j4 showing a breakdown of prescribed loss and management loss in a predetermined month (for example, “March 2004”), and plans for each loss such as prescribed loss in a predetermined month. A comparison graph j5 showing a comparison between the value and the actual value is displayed for each line.

  The breakdown graph j1 shows a breakdown of time required for detailed items such as breaks and meals included in the specified loss as a pie chart. The breakdown graph j2 shows a breakdown of time required for detailed items such as maintenance and inventory included in the management loss as a pie chart. The breakdown graph j3 shows a breakdown of time required for detailed items such as model switching and startup included in the setup loss as a pie chart. The breakdown graph j4 shows a breakdown of time required for detailed items such as waiting for the previous process and waiting for the subsequent process included in the equipment performance loss as a pie chart.

The comparison graph j5 shows the planned value and the actual value for the net operation time, the equipment performance loss, the setup loss, the management loss, and the specified loss in a band graph.
The breakdown graphs j1 to j4 and the comparison graph j5 are such that the main control unit 107 outputs the planned value and actual value for a predetermined month stored in the evaluation accumulating unit 103 to the totaling unit 104, and the planned value and actual result It is created by causing the totaling unit 104 to total the values. When the predetermined month or line is selected by the user operating the input unit 2, the main control unit 107 causes the display unit 4 to display the respective graphs for the selected month and line.

  As described above, in the present embodiment, since the planned value such as the net time in a predetermined month and the actual value are displayed as the comparison graph j5, the user can calculate the planned value and the actual value from the displayed comparison graph j5. Can be easily grasped. As a result, the production process can be reviewed based on the difference, and productivity can be improved.

  In the present embodiment, since the breakdown of the actual values such as the prescribed loss in a predetermined month is displayed as the breakdown graphs j1 to j4, the user can review the production process from the breakdown, and as a result, the productivity Improvements can be made.

The operation of the productivity evaluation unit 100 will be described with reference to FIG.
FIG. 15 is a flowchart showing the operation of the productivity evaluation unit 100 of the present embodiment.
First, when the button Bt2 (“production result input” button) on the main menu screen D10 displayed on the display unit 4 is selected, the productivity evaluation unit 100 is stored in the plan storage unit 201 of the production planning unit 200. Plan values are collected (step S200), and an input main screen D21 including the plan values is displayed on the display unit 4 to accept input of actual values by the user.

  The productivity evaluation unit 100 collects performance values by the user operating the input unit 2 based on the display of the input main screen D21 (step S202). Further, when the performance evaluation unit 100 collects the actual values in this way, it calculates the performance utilization rate from the actual values directly input by the user, and collects the actual values including the calculation results in step S200. It accumulates as a history together with the planned value (step S204).

  Next, the productivity evaluation unit 100 determines whether or not the button Bt4 (“data maintenance” button) or the button Bt3 (“productivity evaluation” button) on the main menu screen D10 is selected, that is, whether there is any instruction from the user. It is determined whether or not (step S206).

  When the productivity evaluation unit 100 determines that there is an instruction (Yes in step S206), the productivity evaluation unit 100 further determines whether the instruction is an instruction for displaying the data maintenance screen D50 or a content for displaying the productivity evaluation screen D40. It is determined whether it is an instruction (step S208). On the other hand, if it is determined that there is no instruction (No in step S206), the productivity evaluation unit 100 repeatedly executes the operations from step S200.

  When the productivity evaluation unit 100 determines in step S208 that the instruction from the user is an instruction of the content for displaying the data maintenance screen D50, the display unit displays the data maintenance screen D50 so that the planned value and the actual value can be compared. 4 is displayed (step S210).

  When such planned values and actual values are displayed, the productivity evaluation unit 100 determines whether or not the “update confirmation” button on the data maintenance screen D50 is selected, that is, whether or not there is an instruction to update the planned values. A determination is made (step S212).

  If the productivity evaluation unit 100 determines that an update instruction has been received (Yes in step S212), the productivity evaluation unit 100 updates the plan value of the plan storage unit 201 of the production plan unit 200 to match the actual value (step S214). . On the other hand, if it is determined that there is no update instruction (No in step S212), the productivity evaluation unit 100 ends the process.

  When the productivity evaluation unit 100 determines in step S208 that the instruction from the user is an instruction of the content for displaying the productivity evaluation screen D40, the productivity evaluation unit 100 collects the data accumulated in step S204 (step S216), and obtains the result. The productivity evaluation screen D40 shown is displayed on the display unit 4 (step S218).

  In the present embodiment, the actual value is collected by the operation of the input unit 2 by the user. However, when the apparatus main body 3 is connected to the machine of each line, the actual value is directly collected from each machine. May be. In this case, the input operation by the user can be omitted, and the productivity can be further improved.

  In this embodiment, the function as the production planning device and the function as the productivity evaluation device are provided in one computer. However, the production planning device and the productivity evaluation device are configured by separate computers. Also good.

In this embodiment, a single computer is provided with a function for updating a planned value for time and a function for displaying a planned value and actual value for a predetermined period of time. You may comprise with a computer. In this case, productivity can be improved even with only one computer that performs the above display. That is, conventionally, there is no productivity evaluation apparatus that displays the actual value and the planned value regarding time, and it has been difficult to review the production process from the viewpoint of the actual value and the planned value. Therefore, the computer (productivity evaluation apparatus) that performs the display can easily review the production process from the viewpoint of the planned value and the actual value related to time, and the productivity can be improved.
(Modification)
Here, the modification regarding the input part 2 is demonstrated.

  In the present embodiment, the input unit 2 is configured by a keyboard, a mouse, or the like, but may be configured by, for example, a bar code reader or the like, or may be configured by combining a keyboard, a mouse, and a bar code reader. In such a case, the barcode reader reads the barcode described on the sheet shown in FIG. 16 and outputs the content indicated by the barcode to the apparatus main body 3.

FIG. 16 is a diagram illustrating an example of a sheet on which a barcode read by a barcode reader is written.
On this sheet St, the above-described barcode Bc, model product number, line name, work instruction number, work-in-progress number, planned value, and the like are described. The bar code Bc indicates a model number, line name, planned value, etc. other than the bar code Bc described on the sheet St. Further, the planned value includes each time such as the number of productions and setup loss.

  The bar code reader reads the bar code Bc of the sheet St, and outputs the above-described model product number, planned value, and the like described on the sheet St to the apparatus main body 3. As a result, the plan value read by the bar code reader is stored in the plan accumulating unit 201, or the model part number or line name read by the bar code reader is entered in the model part number column a2 or line name column of the input main screen D21. displayed on a1 or the like.

  Further, the actual value may be read by a bar code reader by including the actual value in the content of the barcode.

  The present invention has an effect that it is possible to improve the productivity by facilitating the update of a plan value required for performing a production plan, and for example, a productivity evaluation apparatus for evaluating the productivity of electronic equipment in a factory. Etc.

It is an external view which shows the external appearance of the production plan evaluation apparatus in embodiment of this invention. It is a block diagram which shows the structure of a production plan evaluation apparatus same as the above. It is explanatory drawing for demonstrating the production process using the production plan evaluation apparatus same as the above. It is a figure which shows the transition state of the screen displayed on a display part by the main control part same as the above. It is a screen display figure which shows an example of the input main screen of a performance input screen same as the above. It is a screen display figure which shows an example of the setting screen of a performance input screen same as the above. It is a screen display figure which shows an example of the cycle time screen of a data maintenance screen same as the above. It is a screen display figure which shows an example of the setup loss screen of a data maintenance screen same as the above. It is a screen display figure which shows an example of the performance utilization rate screen of a data maintenance screen same as the above. It is a screen display figure which shows an example of the tact balance screen of a productivity evaluation screen same as the above. It is a screen display figure which shows an example of the daily unit evaluation screen of a productivity evaluation screen same as the above. It is a screen display figure which shows the other example of the daily unit evaluation screen of a productivity evaluation screen same as the above. It is a screen display figure which shows an example of the monthly evaluation screen of a productivity evaluation screen same as the above. It is a screen display figure which shows the other example of the monthly evaluation screen of a productivity evaluation screen same as the above. It is a flowchart which shows operation | movement of a productivity evaluation part same as the above. It is a figure which shows an example of the sheet | seat with which the barcode read by the input part same as the above was described.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Production plan evaluation apparatus 2 Input part 3 Apparatus main body 4 Display part 100 Productivity evaluation part 101 Performance acquisition part 102 Plan acquisition part 103 Evaluation accumulation part 104 Aggregation part 105 Scheduler starting part 200 Production planning part 201 Plan accumulation part 203 Scheduler part

Claims (19)

A method for evaluating production of a product to be produced by a series of operations by a plurality of production devices,
A plan value obtaining step for obtaining the plan value from a storage medium storing a plan value related to time used for planning the production;
An actual value acquisition step of acquiring an actual value corresponding to the planned value;
A display step for displaying on a single screen in a manner capable of comparing the plan value and the actual value acquired in the planned value acquisition step and the actual value acquisition step, respectively;
A determination step of determining whether or not there is an instruction to update the plan value;
An update step of updating the storage medium so as to match the planned value with the actual value when it is determined in the determination step that there is an update instruction. In the plan value acquisition step, a plan value for a group of production apparatuses included in the plurality of production apparatuses is acquired,
In the actual value acquisition step, an actual value for the group of production apparatuses is acquired;
The productivity evaluation method according to claim 1, wherein in the display step, the planned value and the actual value are displayed in association with the group of production apparatuses. The productivity evaluation method according to claim 2, wherein each of the plan value and the actual value indicates a cycle time required for the operation of the group of production apparatuses for one production target product. The productivity evaluation method according to claim 2, wherein each of the planned value and the actual value indicates a setup time required for switching a production target product for the group of production apparatuses. The productivity according to claim 2, wherein each of the planned value and the actual value indicates a performance availability ratio that is a ratio of a time that contributes to the production of the production target product among the operating hours of the group of production apparatuses. Evaluation methods. The productivity evaluation method further includes:
Including a writing step of writing the planned value acquired in the planned value acquiring step and the actual value acquired in the actual value acquiring step into a history recording medium as a history,
The productivity evaluation method according to any one of claims 1 to 5, wherein in the display step, a history written in the history recording medium is displayed. A method for evaluating production of a product to be produced by a series of operations by a plurality of production devices,
A plan value obtaining step for obtaining the plan value from a storage medium storing a plan value related to time used for planning the production;
An actual value acquisition step of acquiring an actual value corresponding to the planned value;
A writing step of writing the planned value acquired in the planned value acquiring step and the actual value acquired in the actual value acquiring step as a history to a recording medium for history;
And a display step of displaying the planned value and the actual value for a predetermined period on the basis of the history written in the history recording medium. In the plan value acquisition step, a plan value for a group of production apparatuses included in the plurality of production apparatuses is acquired,
In the actual value acquisition step, an actual value for the group of production apparatuses is acquired;
The productivity evaluation method according to claim 7, wherein in the display step, the plan value and the actual value for the predetermined period are displayed in association with the group of production apparatuses. In the planned value acquisition step, a planned value for a loss time during which the group of production devices are not operating in the production process is acquired,
In the actual value acquisition step, an actual value for the loss time is acquired,
The productivity evaluation method according to claim 8, wherein in the display step, a plan value and an actual value for the predetermined period with respect to the loss time are displayed. The loss time includes a setup time required for switching a production target product for the group of production apparatuses, a management time required for production management, a specified time required for a predetermined human action, and the group of production apparatuses. Including equipment performance time required for the event
In the display step, the planned value and the actual value for the predetermined period with respect to the loss time are displayed separately for each of the setup time, management time, specified time, and facility performance time. 9. The productivity evaluation method according to 9. The productivity evaluation method further includes:
The productivity evaluation method according to any one of claims 8 to 10, further comprising a result display step of displaying a result value for a predetermined period based on a history written in the history recording medium. In the actual value acquisition step, the setup time required for switching the production target product for the group of production apparatuses is acquired as the actual value,
The productivity evaluation method according to claim 11, wherein, in the result display step, a transition of the setup time for each predetermined period is displayed. In the actual value acquisition step, out of the operating time of the group of production apparatuses, a performance operating rate that is a ratio of time that contributed to the production of the production target product is acquired as an actual value,
The productivity evaluation method according to claim 11, wherein in the result display step, a transition of the performance availability for each predetermined period is displayed. In the actual value acquisition step, a time operation rate that is a ratio of a time during which the group of production apparatuses are operating to a production process is acquired as an actual value,
The productivity evaluation method according to claim 11, wherein, in the result display step, a transition of the hourly operation rate for each predetermined time is displayed. In the actual value acquisition step, the setup time required for switching the production target product for the group of production apparatuses is required for confirming the switching time required for the human switching work and the production of the production target product after the switching. Acquired as a result value divided into rise time,
The productivity evaluation method according to claim 11, wherein in the result display step, a ratio between the switching time and the rising time in the predetermined period is displayed. In the actual value acquisition step, the predetermined time when the group of production apparatuses are not operating due to a predetermined human action is divided into the time required for each of a break, a meal, an event, a meeting, and a handover, and the actual value Get as
The productivity evaluation method according to claim 11, wherein in the result display step, a ratio of time required for each of a break, a meal, an event, a meeting, and a handover in the predetermined period is displayed. A productivity evaluation device that evaluates the production of a product to be produced by a series of operations by a plurality of production devices,
Plan value acquisition means for acquiring the plan value from a storage medium in which a plan value related to time used for planning the production is stored;
Actual value acquisition means for acquiring an actual value corresponding to the planned value;
Display means for displaying on one screen in a manner capable of comparing the plan value and the actual value acquired by the planned value acquisition means and the actual value acquisition means, respectively;
Determining means for determining whether or not there is an instruction to update the planned value;
An updater comprising: an updater for updating the storage medium so as to match the planned value with the actual value when it is determined that the update is instructed by the determining unit. A productivity evaluation device that evaluates the production of a product to be produced by a series of operations by a plurality of production devices,
Plan value acquisition means for acquiring the plan value from a storage medium in which a plan value related to time used for planning the production is stored;
Actual value acquisition means for acquiring an actual value corresponding to the planned value;
A writing unit for writing the planned value acquired by the planned value acquiring unit and the actual value acquired by the actual value acquiring unit as a history to a recording medium for history;
A productivity evaluation apparatus, comprising: a display unit configured to display a plan value and an actual value for a predetermined period in a manner capable of being compared based on a history written in the history recording medium. A program for causing a computer to execute the steps included in the productivity evaluation method according to any one of claims 1 to 16.

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