JP2002297214A - Information processor, information communication system, manufacture lead time grasping method, and production managing method and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information processor capable of accurately and efficiently grasping the manufacture lead time of each product manufacturing process, and efficiently making an accurate production plan based on the result. SOLUTION: A manufacture lead time obtaining means (S312) obtains the manufacture lead time (time required from the start of a work to the end of the work) of a target work process based on the work start information and work end information of the target work process provided from a product manufacturing side 110 (x). An updating means (S314) updates the standard manufacture lead time based on the compared result of the average of those manufacture lead time of the target work process obtained by the manufacture lead time obtaining means (S312) and the standard manufacture lead time of the target work process.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus, an information processing apparatus, and an information processing system for use in an apparatus or system for ascertaining a manufacturing lead time in an industrial product manufacturing factory or the like and formulating a product production plan based on the information. Communications system,
The present invention relates to a manufacturing lead time grasping method, a production management method, and a computer-readable storage medium storing a program for realizing the method.

[0002]

2. Description of the Related Art Conventionally, in a factory for manufacturing industrial products and the like, the work time required from the start of work (start of work) to the completion of work in each step of product manufacturing in order to draft a product production plan (scheduler). The (manufacturing lead time) is temporarily registered in a master database, and the required work time (production time) of each process is calculated based on the registered data.

[0003] Specifically, for example, in the case of a control panel manufacturing plant, a plurality of process operations such as a process of sheet metal (die punching) from an iron plate, a process of pressing the same, a coating process, and an internal component mounting process are performed. Thus, a control panel is manufactured. Therefore, the production plan of the control panel is drafted by determining the standard operation time (standard value of the manufacturing lead time) required for each of these steps.

[0004]

However, in the conventional method of ascertaining the manufacturing lead time, the following manual operations (1) to (3) are required.

(1) Manually input a numerical value related to a manufacturing lead time described in a form. For example, first, a standard value (temporary value) of the manufacturing lead time is determined, and after manually inputting this into the database, the actual work is started.
Since the actual work time (actual production lead time) as a result is generally different from the standard value in the database, it is necessary to manually correct the standard value to the actual production lead time. .

(2) The actual manufacturing lead time is accumulated from a wireless HT (handy terminal) or an automatic machine.

(3) Depending on experience, (1) or (2)
Is decomposed into the manufacturing lead time of each process, and based on the result, the master in which the manufacturing lead time of each process is temporarily registered is manually corrected to make the master closer to the actual manufacturing lead time.

Therefore, conventionally, in order to grasp the production lead time, a great deal of labor is required for the accumulation and analysis work of the production lead time as described above. There were points (1) to (3).

(1) Although the manufacturing lead time of each process varies, regardless of this, the past actual value (actual manufacturing lead time) is used as the temporarily registered manufacturing lead time.
If is set as it is, the set value of the manufacturing lead time does not easily converge, and it is very difficult to accurately calculate the manufacturing lead time of each process.

(2) Problem The production plan must be created based on the incorrect manufacturing lead time as described in (1). For this reason, an accurate production plan could not be obtained.

(3) When the production lead time is collected from a remote factory or the like, it is mainly performed by telephone or facsimile. For this reason, a great deal of labor is required, such as the work of transferring the consolidated manufacturing lead time, and there has been a mistake in the transfer, data inconsistency due to data update, and the like.

Therefore, the present invention has been made to eliminate the above-mentioned disadvantages, and it is possible to accurately and efficiently grasp the production lead time of each step of product production. Information processing apparatus, information communication system, manufacturing lead time grasping method, production management method, and computer-readable recording medium storing a program for realizing these, which can efficiently draft an accurate production plan based on the information The purpose is to provide.

[0013]

For such a purpose,
A first invention is an information processing apparatus for acquiring a production lead time which is a time required from the start of work to the completion of work for each of a plurality of work processes for manufacturing an arbitrary product. A production lead time acquisition means for acquiring a production lead time of the target work process based on the work start information and work completion information of the target work process provided by the side, and a target work process obtained by the production lead time acquisition means Updating means for updating the reference manufacturing lead time based on a comparison result between the average of the plurality of manufacturing lead times and the reference manufacturing lead time of the target work process.

According to a second aspect, in the first aspect,
The updating means sets the average manufacturing lead time as the reference manufacturing lead time when a difference between the average manufacturing lead time and the reference manufacturing lead time is equal to or greater than a predetermined value.

According to a third aspect, in the first aspect,
It is characterized by comprising a production plan generating means for generating a production plan of the product based on the reference production lead time information.

According to a fourth aspect, in the first aspect,
Receiving means for receiving, via the communication means, work start information and work completion information of a target work process from the product manufacturing side, the reference manufacturing lead time, and a production plan of the product generated based on the reference manufacturing lead time And transmitting means for transmitting at least one of the information to the product manufacturing side via the communication means.

According to a fifth aspect of the present invention, there is provided an information communication system in which a plurality of devices are communicably connected to each other via arbitrary communication means. It has a function of the information processing device according to any one of (1) to (4).

A sixth invention is a manufacturing lead time grasping method for grasping a production lead time which is a time required from the start of work to the completion of work for each of a plurality of work processes for manufacturing an arbitrary product. A manufacturing lead time obtaining step of obtaining a manufacturing lead time of the target work process based on the work start information and the work completion information provided by the product manufacturing side; and a target work obtained by the manufacturing lead time obtaining step. An average manufacturing lead time obtaining step of obtaining an average manufacturing lead time of the target operation process from a plurality of manufacturing lead times of the process, an average manufacturing lead time obtained by the average manufacturing lead time obtaining step, Update to update the reference production lead time based on the comparison result with the reference production lead time Characterized in that it comprises a step.

A seventh invention is a production management method for performing production management of a product manufactured by a plurality of work processes, and includes work start information and a work start information for a target work process provided by a manufacturer of the product. Based on the work completion information, a manufacturing lead time obtaining step of obtaining manufacturing lead time information that is a time required from the start of the work of the target work process to completion of the work, and a target work process obtained by the manufacturing lead time obtaining step. An average manufacturing lead time obtaining step for obtaining an average manufacturing lead time of the target operation process from a plurality of manufacturing lead times; an average manufacturing lead time obtained by the average manufacturing lead time obtaining step; An updating step of updating the reference manufacturing lead time based on the comparison result with the lead time; A production plan generating step of generating a production plan of the product based on the reference production lead time information; and a manufacturing step of manufacturing the product based on the production plan obtained by the production plan generation step. It is characterized by.

An eighth invention is a manufacturing lead time grasping method for aggregating a manufacturing lead time which is a time required from the start of work in a target work process to the completion of work in the manufacture of a product. A production lead time acquisition step for acquiring a production lead time of a target operation step based on work time difference information obtained from work start information and work completion information provided by A first storage step of storing the time in the first storage means, and a time when a predetermined number of manufacturing lead times are stored in the first storage means,
An average manufacturing lead time obtaining step of obtaining the average and storing the average manufacturing lead time in the first storage means; a second storage step of storing the reference manufacturing lead time of the target work process in the second storage means; Update that replaces the average production lead time with the reference production lead time based on whether or not the difference between the average production lead time of the storage means and the reference production lead time of the second storage means is equal to or greater than a predetermined value. And a step.

According to a ninth aspect, in the eighth aspect,
A production plan creating step of creating a production plan of the product based on the reference production lead time.

A tenth invention is characterized in that, in the eighth invention, a receiving step of receiving the work start information and the work completion information from the product manufacturing side via communication means is provided.

An eleventh invention is characterized in that, in the ninth invention, a transmission step of transmitting the production plan information obtained in the production plan creation step to the product manufacturing side via communication means. .

According to a twelfth aspect of the present invention, a program for causing a computer to realize the function of the information processing apparatus according to any one of claims 1 to 4 or the function of the information communication system according to claim 5 is computer readable. It is characterized by being recorded on a storage medium.

According to a thirteenth aspect of the present invention, there is provided a program for causing a computer to execute the processing steps of the manufacturing lead time grasping method according to any one of claims 6 and 8 to 11 or the processing steps of the production management method according to claim 7. The program is recorded on a computer-readable storage medium.

More specifically, the present invention relates to a wireless HT (handy terminal) used in a factory such as an industrial product.
And automatic machine, etc., aggregate the production lead time information (work start time information / work completion time information) of each process of product manufacturing, execute predetermined arithmetic processing based on this, and automatically transfer the result to the master. By registering (correcting) the information, it is possible to accurately and efficiently grasp the production lead time of each process of the product production, and to efficiently draft an accurate production plan based on the result. With the goal.

[0027] The "wireless HT" includes a machine for inputting information and the like relating to a product manufacturing operation. "Automatic machinery"
Includes machines for manufacturing products, such as, for example, a cutting machine, a press machine, or a joining machine, or a robot operated by computer control. The “manufacturing lead time” is a time required from the start of work for product manufacture to completion of the work, and means a value ΔT including a work time ΔT1 performed by the operator and a work time ΔT2 performed by the automatic machine.

The following are examples (1) to (3) of specific configurations to which the present invention is applied, but these are merely application examples of the present invention, and the present invention is not limited thereto.

(1) When aggregating the manufacturing lead time from the start of work for product manufacturing in a factory to the completion of work, first, work start time information and work completion time information are obtained from a wireless HT or an automatic machine, etc. By the time difference indicated by these time information, the manufacturing lead time ΔT (=
The operation time ΔT1 performed by the operator + the operation time ΔT2 performed by the automatic machine is calculated.

Next, the manufacturing lead time ΔT is registered in the lead time file 1 (specific product production time master A).
When n manufacturing lead times ΔT are accumulated in the lead time file 1, the average value ΔT _ave is calculated and registered in the lead time file 1.

Then, the file is registered in the lead time file 1.
Average of production lead time ΔT _aveAnd the lead tie
File 2 (specific product production time master B)
Production lead time reference value ΔT_refCompare this with
If the difference between them is equal to or greater than a certain value, ΔT_aveThe value of △ T_ref
As the value of That is, the reference value ΔT_refUpdate
To renew.

According to the configuration (1), the manufacturing lead time
When the number of data (integration number) of T reaches a certain value (n number), the average value ΔT _ave is calculated, so that ΔT sharply increases or decreases due to variation in the manufacturing lead time of each process. Can be avoided.

Further, by appropriately changing (eg, changing for each machine) the n values of the number of integrated manufacturing lead times, it is possible to adjust so that the numerical values of the manufacturing lead time converge quickly.

The average value ΔT_aveAnd reference value ΔT_refDifference
Is greater than or equal to a certain value, ΔT_{av e}The value of △ T_refThe value of the
The manufacturing lead time
Further avoid sudden increase or decrease of ΔT due to luck
can do.

(2) Using the manufacturing lead time information obtained in the configuration (1), a production plan of a factory is drafted.

According to the configuration (2), since a production plan can be created based on the accurate production lead time information obtained in the configuration (1), an accurate production plan that matches the actual operation of the factory is provided. be able to.

(3) In the configuration (2), work start time information and work completion time information are obtained from a factory via a communication line (communication means), and information on a production plan of the factory based on the information is obtained on the communication line. Return via. The “communication line” here includes communication means such as a telephone line.
It is preferable to use a widely used network such as the Internet.

According to the configuration (3), via the communication line,
Since the actual value of the production lead time (work start time information and work completion time information) and the production plan can be transmitted and received, accurate information can be exchanged in real time.

[0039]

Embodiments of the present invention will be described below with reference to the drawings.

The present invention is applied to, for example, a network system 100 as shown in FIG. As shown in FIG. 1, the network system 100 according to the present embodiment includes factories 110 (1) to 110 (1) to 1
10 (n) and a service providing side 120 for providing a production plan or the like in a factory are connected so as to be able to communicate with each other via a network such as the Internet.

The factories 110 (1) to 110 (n) each have a wireless HT (Handy Terminal), an automatic machine, and the like, and are factories that manufacture products such as a control panel in a plurality of processes. The work start time information and the work completion time information are transmitted to the service providing side 120 via the network 130.

The service providing side 120 is provided in an institution such as an arbitrary company. In particular, the service providing side 120 includes various databases (a sheet metal process, a pressing process, a painting process, and a component) together with a database 120a for holding various data. A unique product production time calculation function 121 for obtaining an optimum production lead time, which is a time required from the start of the work in the mounting process or the like to the completion of the work, and an EPR (enterprise reso)
source planning: comprehensive production package software, etc., a production planning function 122 for generating a production plan including a production plan based on the production lead time.

Therefore, the service providing side 120 has the unique product production time calculation function 121 and the production planning function 1
22, a service of providing information on the manufacturing lead time of each process of the product manufacturing, information on the production plan obtained from the manufacturing lead time, and the like to each of the factory sides 110 (1) to 110 (n). I do.

Factory side 110 (1) to 110 as described above
(N) and the service provider 120, for example,
It has the functions of a computer 200 as shown in FIG. 2, and its CPU 201 performs operations in the present embodiment as described later.

As shown in FIG. 2, the computer 200 includes a CPU 201, a ROM 202, and a RAM 203.
, A keyboard controller (KBC) 205 of a keyboard (KB) 209, and a CRT controller (CRT) of a CRT display (CRT) 210 as a display unit
C) 206, a hard disk (HD) 211 and a disk controller (DKC) 207 of a floppy (registered trademark) disk (FD) 212, and a network 130
Network Interface Card (NIC) 20
8 are communicably connected to each other via a system bus 204.

The CPU 201 has a ROM 202 or an HD
By executing the software stored in the 211 or the software supplied from the FD 212, each component connected to the system bus 204 is controlled in a comprehensive manner.
That is, the CPU 201 stores a processing program according to a predetermined processing sequence in the ROM 202 or the HD 21.
1, or by reading from the FD 212 and executing,
Control for realizing the operation in the present embodiment is performed.

The RAM 203 functions as a main memory or a work area for the CPU 201. KBC205
Controls an instruction input from the KB 209 or a pointing device (not shown). CRTC 206
The display of the CRT 210 is controlled. The DKC 207 includes an HD 211 and an FD that store a boot program, various applications, editing files, user files, a network management program, various processing programs, and the like.
Access to the H.212. The NIC 208 bidirectionally exchanges data with devices or systems on the network 130.

The network system 10 shown in FIG.
0, a plurality of factory sides 110 (1) to 110 (n);
One service provider 120 and the network 130
Although it is configured to be connected above, this network 1
The number of connections to 30 is not limited. In the following description, for the sake of simplicity, a plurality of factory sides 110 (1)
The specific configuration and operation of the network system 100 according to the present embodiment will be described, focusing on an arbitrary factory 110 (x) among 110 to 110 (n).

FIG. 3 shows an example of a more specific configuration of the network system 100 shown in FIG.

First, the network system 1 shown in FIG.
In 00, the unique product production time calculation function 121 and the production planning function 122 of the service providing side 120 are managed by an independent organization.
For this reason, the unique product production time calculation function 121 and the production planning function 122 are independent of each other,
The communication via 30 is performed.

As shown in FIG. 1, the unique product production time calculation function 121 and the production plan planning function 122 are
It is needless to say that the configuration may be provided to one service providing side 120.

The factory side 110 (x) includes a machine 111 such as a wireless HT or an automatic machine, and a terminal device 112 having a function of displaying production plan information and progress information.

The machine 111 includes a wireless HT, an automatic machine, and the like used for manufacturing a product, and is a machine capable of outputting work start time information and work completion time information of a corresponding process in manufacturing a product. Any machine is applicable if any. Hereinafter, the machine 111 is referred to as a manufacturing machine 111 for simplicity of description.

Hereinafter, an example of the operation of the network system 100 according to the present embodiment will be described with reference to FIG.

[Step] On the factory side 110 (x), the manufacturing machine 111 firstly performs the corresponding process operation (the operation performed by the operator and the automatic operation) based on the information input from the person in charge of the factory. The operation performed by the machine is performed (steps S301 and S302), the operation time is counted (time integration) (step S303), and the work start time information (Δ) obtained thereby is obtained.
t2) and the work completion time information (Δt1) are transmitted to the service providing side 120 via the network 130 (step S304).

Here, it is assumed that a plurality of steps for manufacturing a product such as a control panel are Step 1, Step 2,..., Step m. Therefore, in step 304, steps 1 to
The work start time information (Δt2) and the work completion time information (Δt1) for any process y (y = 1, 2,..., M) in the process m are transmitted to the service providing side 120.

[Step] On the service providing side 120, first, the unique product production time calculation function 121 sends the work start time information (Δt2) and the work completion time information (Δt2) of the process y transmitted from the factory side 110 (x). Δt1) is received (step S311).

Next, the unique product production time calculation function 121
Calculates the difference (ΔT) between the work start time information (Δt2) and the work completion time information (Δt1) for the process y (step S312), and uses this as the manufacturing lead time (Δ
It is registered in the unique product production time master A in the database 120a as T = work time ΔT1 performed by the operator + work time ΔT2 performed by the automatic machine (step S313).

The unique product production time calculation function 121 is
Steps S311 to S313 are repeated n times
Thus, for the process y, n manufacturing lead times
ΔT ₁~ ΔT_nComplete registration to the unique product production time master A
Then, the manufacturing lead time ΔT ₁~ ΔT_nAverage value of ΔT_ave
Is obtained once, and the average value ΔT_aveThe unique product production time
Register with the master A (step S314).

The unique product production time calculation function 121 executes n times of the processing of steps S311 to S313 for steps 1 to m. Thereby, the average value ΔT _ave for each of the steps 1 to m is registered in the unique product production time master A.

Here, the unique product production time master B in the database 120a stores reference values ΔT _ref for each of the steps 1 to m.

Therefore, the unique product production time calculation function 121
Is the average value ΔT _ave of the target process y in the unique product production time master A and the corresponding unique product production time master B
Compares the reference value △ T _ref of the inner, when the difference between these values is greater than or equal to a fixed value, an average value △ T _ave step y, step y
Registering the unique product production time master B is replaced as the reference value △ T _ref (step S315).

The initial values of the reference values ΔT _{ref for} the steps 1 to m are registered in the unique product production time master B by the production planning function 122 described later in the initial state of the network system 100.

[Step] Unique product production time calculation function 1
21 is the reference value of the process y of the unique product production time master B △
The T _ref is transmitted to the production planning function 122 via the network 130 (step S316).

The unique product production time calculation function 121 performs the processing of steps S315 and S316
Step m is executed. As a result, the reference value ΔT _ref for each of the steps 1 to m is registered in the unique product production time master B, and the reference for each of the steps 1 to m is given to the production planning function 122. The value ΔT _ref is sent.

[Step] The production planning function 122 includes:
Based on the reference value ΔT _ref transmitted from the unique product production time calculation function 121, a production plan for the factory 110 (x) is made.

[Step] The production planning function 122 includes:
The production plan information of the factory 110 (x) generated in [Step] is transmitted to the factory 110 via the network 130.
(X).

[Step] On the factory side 110 (x), the terminal device 112 receives the production plan information transmitted from the production planning function 122 of the service providing side 120 (step S321). Based on the information, various information such as plan information and progress information is displayed on the screen (step S322, step S323).

A series of processes described above, that is, Step
The processing from Step to Step is repeatedly executed. The series of processing is executed for each product on the factory side 110 (x).

Therefore, the database 120a contains:
Actually, a unique product production time master A and a unique product production time master B are provided for each production product for each factory 110 (1) to 110 (n), and the initial value of the reference value ΔT _ref . Necessary information settings such as are performed.

As described above, in the present embodiment, for each process of product manufacturing at the factory 110 (x), the manufacturing lead time ΔT of the target process is calculated by n from the work start time information and the work completion time information of the target process. It is configured to repeatedly perform the process of automatically updating (correcting) the reference value ΔT _ref based on the comparison result of the average value ΔT _ave and the reference value ΔT _ref of the target process.

As a result, it is possible to automate the integration and the analysis work of the manufacturing lead time conventionally performed manually by the system. In addition, the factory side 1
The work start time and work completion time of each process at 10 (x) can be ascertained, and based on this, the reference value ΔT _ref of the manufacturing lead time can be updated in real time. Reference value of lead time ΔT
_ref can be obtained efficiently.

Furthermore, for each process obtained accurately and efficiently
Standard value of manufacturing lead time ΔT_{re f}Based on the factory
The production plan for the side 110 (x) is made, and this is
0 (x), the factory 110 (x)
Products can be manufactured according to a reliable production plan.

Also, for example, if there is a product model change and it is necessary to draft a new production plan,
The factory side 110 (x) only provides the work start time and the work completion time to the service providing side 120 for each process of manufacturing a new model product, and the service providing side 120 receives the optimum manufacturing lead time. An optimal production plan can be easily obtained.

In the present embodiment, the factory 110
(X) and the service providing side 120
, The factory 110 (x) performs product manufacturing based on the production plan provided from the service providing side 120, but the present invention is not limited to this. The configuration may be any.

For example, the production planning function 122 of the service providing side 120 is provided to the factory 110 (x), and the service providing side 120 sets the production lead time standard for each process with respect to the factory 110 (x). Provide the value ΔT _ref . The factory side 110 (x) uses the production lead time reference value ΔT _ref for each process from the service providing side 120 to generate a production plan using its own production plan planning function 122.

Further, for example, the factory 110 (x) is provided with the unique product production time calculation function 122 of the service providing side 120, or the unique product production time calculation function 122 and the production planning function 122. , Factory side 11
At 0 (x), a reference value ΔT _ref of the manufacturing lead time for each process may be obtained, and a production plan may be generated based on this.

Another object of the present invention is to supply a storage medium storing program codes of software for realizing the functions of the host and the terminal of the present embodiment to a system or an apparatus, and to provide a computer (or a computer) of the system or the apparatus. Needless to say, the present invention can also be achieved by a CPU or an MPU) reading and executing a program code stored in a storage medium. In this case, the program code itself read from the storage medium implements the functions of the present embodiment, and the storage medium storing the program code constitutes the present invention. As a storage medium for supplying the program code, a ROM, a floppy disk, a hard disk, an optical disk, a magneto-optical disk, a CD-ROM, a CD-R, a magnetic tape, a nonvolatile memory card, or the like can be used. Also, by executing the program code read by the computer, not only the function of the present embodiment is realized,
It goes without saying that the OS or the like running on the computer performs part or all of the actual processing based on the instructions of the program code, and the functions of the present embodiment are realized by the processing. . Further, after the program code read from the storage medium is written to a memory provided in an extended function board inserted into the computer or an extended function unit connected to the computer,
Based on the instructions of the program code, the CPU of the function expansion board or the function expansion unit may perform part or all of the actual processing, and the processing may realize the functions of the present embodiment. Needless to say.

[0079]

As described above, according to the present invention, the production lead time of each work process in product production can be accurately grasped in real time, and a highly accurate production plan can be created.

For example, the plurality of averages (average manufacturing lead time) of a plurality of manufacturing lead times of the target work process and a predetermined value (threshold) serving as a reference for updating the reference manufacturing lead time are determined. If it can be set freely, it is possible to avoid a sudden increase or decrease in the value of the manufacturing lead time. This makes it possible to accurately determine the production lead time of each work process.

Further, since a production plan can be generated using an accurate production lead time, a highly accurate production plan can be created.

Further, by receiving the work start information and the work completion information and transmitting the production plan by using communication means such as a network, even in a remote manufacturing factory,
It is possible to realize accurate transmission and reception of information in real time. For example, it is possible to reduce the labor required for information transfer, which has been conventionally performed, and to avoid information transfer mistakes and information inconsistency due to information update.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a network system to which the present invention has been applied.

FIG. 2 is a block diagram showing a configuration of computer functions on a factory side and a service providing side of the network system.

FIG. 3 is a diagram for explaining an operation of the network system.

[Explanation of symbols]

100 Network System 110 (1), 110 (2), ..., 110 (n) Factory 120 Service Provider 120a Database 121 Unique Product Production Time Calculation Function 122 Production Planning Function 130 Network

Claims (13)

[Claims] 1. An information processing apparatus for acquiring a production lead time, which is a time required from the start of work to the completion of work, for each of a plurality of work processes for manufacturing an arbitrary product. A production lead time acquiring means for acquiring a production lead time of the target work process based on the work start information and the work completion information of the target work process provided by the target work process; An information processing apparatus comprising: updating means for updating a reference manufacturing lead time based on a comparison result of an average of a plurality of manufacturing lead times and a reference manufacturing lead time of a target operation process. 2. The method according to claim 1, wherein the updating unit sets the average manufacturing lead time as the reference manufacturing lead time when a difference between the average manufacturing lead time and the reference manufacturing lead time is equal to or greater than a predetermined value. The information processing device according to claim 1. 3. The information processing apparatus according to claim 1, further comprising: a production plan generating unit configured to generate a production plan of the product based on the reference production lead time information. 4. A receiving means for receiving, via a communication means, work start information and work completion information of a target work process from the product manufacturing side, the reference manufacturing lead time, and the reference manufacturing lead time generated based on the reference manufacturing lead time. 2. The information processing apparatus according to claim 1, further comprising a transmission unit configured to transmit at least any information of the product production plan to the product manufacturing side via a communication unit. 5. An information communication system in which a plurality of devices are connected so as to be able to communicate with each other via an arbitrary communication means, wherein at least one device among the plurality of devices is a communication device according to claim 1. An information communication system having the function of any one of the information processing apparatuses. 6. A production lead time grasping method for grasping a production lead time, which is a time required from the start of work to the completion of work, for each of a plurality of work processes for manufacturing an arbitrary product. A manufacturing lead time obtaining step of obtaining a manufacturing lead time of the target working step based on the work start information and the work completion information provided by the manufacturing side; and a plurality of target working steps obtained by the manufacturing lead time obtaining step. An average production lead time acquisition step for acquiring an average production lead time of the target operation process from the production lead time, an average production lead time obtained in the average production lead time acquisition step, and a reference production lead time of the target operation process And an update step of updating the reference manufacturing lead time based on the comparison result. A manufacturing lead time grasping method characterized by including: 7. A production management method for performing production management of a product manufactured by a plurality of operation processes, comprising: a work start information and a work completion information for a target operation process provided by a manufacturer of the product. A manufacturing lead time obtaining step for obtaining manufacturing lead time information, which is a time required from the start of work of the target work process to the completion of the work, and a plurality of manufacturing leads of the target work process obtained by the manufacturing lead time obtaining step. An average manufacturing lead time obtaining step of obtaining an average manufacturing lead time of the target operation process from the time, an average manufacturing lead time obtained in the average manufacturing lead time obtaining step, and a reference manufacturing lead time of the target operation process. An updating step of updating the reference production lead time based on the comparison result; And a production step of producing the product based on the production plan obtained by the production plan generation step. Production control method. 8. A manufacturing lead time grasping method for aggregating a manufacturing lead time which is a time required from the start of work of a target work process to the completion of work in manufacturing a product, the method being provided from the product manufacturing side. A production lead time acquisition step for acquiring a production lead time of the target operation process based on the operation time difference information obtained from the operation start information and the operation completion information; A first storage step of storing in a storage means, and an average manufacturing lead time at which a predetermined number of manufacturing lead times are stored in the first storage means, and an average thereof is obtained and stored in the first storage means. A time obtaining step; a second storing step of storing a reference manufacturing lead time of the target work process in a second storage means; Updating the average production lead time as the reference production lead time based on whether or not the difference between the average production lead time and the reference production lead time of the second storage means is equal to or greater than a predetermined value. A manufacturing lead time grasping method characterized by including: 9. The production lead time grasping method according to claim 8, further comprising a production plan creation step of producing a production plan of said product based on said reference production lead time. 10. The manufacturing lead time grasping method according to claim 8, further comprising a receiving step of receiving said work start information and work completion information from said product manufacturing side via communication means. 11. A transmission step for transmitting the production plan information obtained in the production plan creation step to the product manufacturing side via communication means.
Method of grasping the manufacturing lead time described in the table. 12. A computer-readable storage medium storing a program for causing a computer to realize the function of the information processing apparatus according to claim 1 or the function of the information communication system according to claim 5. . 13. A program for causing a computer to execute the processing steps of the manufacturing lead time grasping method according to any one of claims 6, 8 to 11, or the processing steps of the production management method according to claim 7. Computer readable storage medium.