JP2005285100A - Production control method and system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a production control method and system capable of sharing and utilizing information among a plurality of departments engaged in product production and sales. <P>SOLUTION: The production control system to solve the above problem, comprising a server 40 equipped with DB 50 for storing information of every department acquired by a plurality of departments and a computer terminal provided for each department, in which the server 40 is connected with the computer terminals with an telecommunication line. The computer terminals is equipped with input/output means so that the information acquired by every department can be input to the DB 50 provided for the server 40 and the information stored in the DB 50 can be output. The server 40 has a characteristic comparing function for outputting comparison information about the characteristic of the product and that of the constituent members based on the information stored in the DB 50, and a retrieving function for retrieving the information of the products corresponding to the information input from the computer terminals. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a method and system for production management of a product, and more particularly to a method and system suitable for production management of a piezoelectric device having a fast product improvement cycle.

  Conventionally, production management methods and systems for piezoelectric devices have been provided with an information storage system for each department and for each process, and each product information is stored and managed independently. For this reason, information such as the time required to manufacture each product, yield, and defect rate is managed separately in each department, and when viewed as comprehensive product information, there is a lack of information for each department. Sometimes it happened. In addition, even if the information is the same product, there is a problem that the information accumulated in each department is different between new and old due to the difference in update history.

For such a situation, a system as in Patent Document 1 has been proposed. The system described in Patent Document 1 is a system that shares information about a product between a product supply destination and a product supply source. As an outline, a product supply destination and a supply source each have a means for storing product information, and are provided with a database linked to each information storage means. As a result, the change information of the product generated at the product supply destination or the supply source is reflected in the database and the information storage means of the other party via the database only by inputting to the respective information storage means. Is.
JP 2003-122818 A

  According to the system described in Patent Document 1, specification information / update information about a product can be shared between a supplier and a supplier of the product, and update information about the product can be known in real time at both the supplier and the supplier. be able to.

  However, in the system described in Patent Document 1, information at the manufacturing stage of the product (for example, what quality and level of the product is used to create the product under what conditions, and how much is the delivery date for manufacturing, etc. Cannot be known). Therefore, the accumulated data is not reflected in departments other than the production department and the design department.

  It is an object of the present invention to provide a production management method and system capable of sharing and utilizing information among a plurality of departments involved in manufacturing and sales of products such as a sales department, a production management department, a design engineering department, and a production department. And

  A production management method according to the present invention for achieving the above object is a production management method for producing and selling a piezoelectric device, and is managed for each of a plurality of departments involved in the production and sale of the piezoelectric device. Information can be stored in a shared database, and each of the multiple departments can browse the information stored in the database and input update information, and confirm the number of orders received, delivery date, quality, and function It is characterized by being made to order.

With the production management method with the above characteristics, each department can know the latest update information even in the manufacturing process of piezoelectric devices where the product improvement cycle is fast and the product characteristics change due to slight changes in specifications. Yes, there will be no product mistakes due to information transmission gaps. Also, by inputting the delivery date, accuracy, function (characteristics), etc. as product information, it can be used as a guideline for ordering in the sales department, and the flow from product ordering to delivery can be facilitated.
Of the plurality of departments, the production department in charge of producing the piezoelectric device may be a factory of another company.

  By making the production department a factory of another company, a wide range of technologies can be reflected in the product and the quality of the product can be improved. Even when the production of products is outsourced to other factories, the yield of products delivered to the company can be improved by sharing product information.

  In addition, the production management system according to the present invention for achieving the above object is the production management system for sharing information managed by a plurality of departments engaged in the production / sales of piezoelectric devices. A server having a storage unit for storing information for each department; and a computer terminal provided for each department, wherein the server and the computer terminal are connected via an electric communication line, and the computer terminal Is provided with an information input / output means, so that information acquired for each department can be input to a storage unit provided in the server, and information stored in the storage unit can be output. Based on accumulated information in the storage unit, a characteristic comparison function for outputting comparison information between the characteristics of the piezoelectric device and the characteristics of the members constituting the piezoelectric device, Wherein the search function to search for information of a piezoelectric device corresponding to the input information from the computer terminal is provided.

  With the system having the above configuration, the same effect as that of the above method can be obtained. Further, by providing the server with a characteristic comparison function that outputs comparison information between the characteristics of the piezoelectric device and the characteristics of the members constituting the piezoelectric device based on the accumulated information in the storage unit, the characteristics of the piezoelectric device and When the characteristics of the members constituting the material are different, for example, in the case of a piezoelectric vibrating piece and a piezoelectric vibrator, it is possible to know what member can be selected to obtain the best product. it can.

Further, only necessary information in the product can be searched by the search function.
In the production management system configured as described above, an ID number is assigned to each production lot of the members constituting the piezoelectric device, and in the production department in charge of the production of the piezoelectric device among the plurality of departments, together with the ID number Various information in the manufacturing process may be input to the storage unit.

  With such a configuration, it is possible to extract information and the like at the time of production of the produced piezoelectric device by inputting the ID number. Therefore, when a defect occurs in a product, it is possible to search what process each member used for manufacturing the piezoelectric device has undergone, using the ID number as a key. For example, in the case of a piezoelectric oscillator, it is possible to know information on a piezoelectric vibrator used for manufacturing, information on an IC, and the like.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments according to a production management method and system of the present invention will be described with reference to the drawings. In addition, embodiment shown below is only an example of embodiment which concerns on this invention, and this invention is not restrained by this.
FIG. 1 is a block diagram showing an embodiment according to a production management system of the present invention. The production management system according to this embodiment is a management system particularly related to production of piezoelectric oscillators.

  The production management system according to the present embodiment includes a computer terminal (not shown) provided in each of a plurality of departments such as a sales department 22, a production management department 24, a design engineering department 26, a production department 30, and the like. An information aggregate (database: DB) 50 in a storage unit of the server 40 connected directly or indirectly is configured as a main part.

  In the present embodiment, the sales department 22, production management department 24, and design engineering department 26 are departments within the company (hereinafter referred to as own department 20), and the production department 30 is outsourced to other companies (hereinafter referred to as other company departments 30). An example of configuring the system will be shown.

  The sales department 22, production management department 24, and design engineering department 26 constituting the company department 20 are each equipped with a computer terminal capable of inputting / outputting information on a product (piezoelectric oscillator), and is connected by an electric communication line such as a LAN. Communication between each other is possible. The computer terminals provided in each department of the company department 20 are connected to the server 40 provided in the company, respectively, and can access the DB 50.

  In the system configured as described above, the computer terminal provided in the company department 20 may be a portable terminal. When the computer terminal is a portable terminal, for example, the sales department 22 can obtain information stored in the DB 50 at the customer 10. In this case, the connection to the server 40 may be made via a telecommunication line (network 60) such as the Internet.

  The other company department 30 may be a different factory or a different company for each manufacturing process. In this embodiment, the other company's department 30 is divided into a first factory 32 that manufactures a piezoelectric vibrator, a second factory 34 that manufactures a piezoelectric oscillator by combining a piezoelectric vibrator and an IC manufactured at the first factory 32, An example will be described in which the third factory 36 that performs the inspection of the oscillator and the like is used, and the companies are different companies. Each factory in the other company's department (production department) 30 is provided with a computer terminal, as in the company department 20. The computer terminals provided in the other company's department 30 are uniformly connected to the server 40 via the network 60 to enable access to the DB 50.

  In the production management system configured as described above, the computer terminal has an input means for inputting information obtained in each department / process, and a display for outputting / displaying selection information in the DB 50. Ensure that means are in place. In the production management system, the computer terminal and the portable terminal connected to the server through a network using a public line such as the Internet are connected through a system such as a firewall to ensure safety. It is good to do so.

  In the production pipe system according to the present embodiment configured as described above, in the first factory 32 in the production department 30, vibration piece machining process information, vibration piece mounting process information, package machining process information, sealing process information, etc. Is input to the DB 50. The piezoelectric vibrator manufactured at the first factory 32 may be assigned an ID number for each lot, and information input to the DB 50 may be input as information associated with the ID number.

  In the second factory 34, vibrator mounting process information, wire bonding process information, resin sealing process information, marking process information, and the like are input to the DB 50. Similarly to the first factory 32 in this factory, an ID number is assigned to each lot of the piezoelectric oscillator, and the input to the DB 50 is preferably input as information associated with the ID number.

  In the third factory 36, temperature characteristic inspection information, electrical characteristic inspection change information marking process information, and the like of the piezoelectric oscillator manufactured in the second factory 34 are input to the DB 50. Also in the factory, it is preferable to attach an ID number to each lot of the product and input it to the DB 50 as information associated with the ID number.

  Note that the ID number may be written in a separately prepared IC tag or the like, and the ID number may be read in a non-contact manner by providing a transceiver. Further, regarding the ID number of the piezoelectric oscillator, marking information may be used.

  When each product information input to the DB 50 is input together with an ID number, it is preferable to input the product information in association with the ID number of the product used in each process. By adopting such an input format, when a defect occurs in a product, it is possible to know what process the product is manufactured through. In addition, when a defective part is specified, it is possible to specify a product that uses the part manufactured in the same lot. For this reason, it becomes possible to take a pre-treatment for the failure, or to investigate the causal relationship for each component with respect to the failure.

  In the own department 20, the flow information based on the input information of the production department 30 input as described above is input. For example, the design engineering department 26 inputs information such as product design changes into the DB 50 together with product numbers and the like in consideration of frequency accuracy and yield in the production stage. The input information is recorded as an update history of the product that has been changed.

The production management department 24 inputs the delivery date, order status, inventory, etc. for each product based on the input information of the production department.
The sales department 22 can check the stock status, delivery date, etc. of the product by inputting the specifications of the product to be ordered, and can receive the order while taking them into consideration.

  In the production management system as described above, the temperature characteristic information of the piezoelectric vibrating piece, the temperature characteristic information of the piezoelectric vibrator, etc. are individually input, and the special information of the piezoelectric vibrating piece used for the piezoelectric vibrator is used as the ID number. By recording the associated information, it is possible to know a change in temperature characteristics (frequency temperature characteristics) when the piezoelectric vibrating piece is mounted on the piezoelectric vibrator.

  In the production management system according to the present embodiment, when the temperature characteristic of the piezoelectric vibrating piece is input using the association of information as described above, the temperature characteristic of the piezoelectric vibrator on which the piezoelectric vibrating piece is mounted is output. It is good to have a function. With such a function, it is possible to know in advance and immediately what kind of product is manufactured according to the characteristics of the member to be used.

In addition, the production management system according to the present embodiment may have a function for searching only necessary information about products. As a result, the information search itself can be performed easily and quickly.
In the production management system having such a configuration, the sales department 22 receives an order from the customer 10. At this time, the information in the DB 50 is confirmed, and the number of orders, delivery date, inventory, product specifications, etc. are confirmed.

  The sales department 22 transmits information on the product received the order to the production management department 24. The order information may be input to the DB 50 and directly transmitted to the production management department 24. The production management department 24 confirms the use of the ordered product and the vacancy of the manufacturing process, and requests the production department 30 for production.

The first factory 32 in the production department (other company department) 30 can obtain the latest product specification information input by the design technology department 26 by browsing the DB 50, and manufactures products based on the information. . In addition, as described above, various information at the manufacturing stage is input to the DB 50 via the network 60 by a computer terminal for each process.
In the second factory 34 and the third factory 36, the production management system is used in the same manner as the first factory 32 in each process.

The piezoelectric oscillator manufactured by the production department 30 is delivered to the design engineering department 26 and the quality is confirmed. At this time, the design engineering department 26 inputs information such as product frequency accuracy and yield to the DB 50 as feedback information. In addition, when a problem occurs, new specification information of the product is updated.
The product that has passed the quality check in the design engineering department 26 is delivered to the customer 10 that is the ordering source.

  FIG. 2 is a view showing a display example of the main screen when the production management system according to the present invention is used in each computer terminal. On the main screen, by selecting a tag of information necessary for each department, it is possible to open a detailed information screen for relevant information or an input screen for relevant information.

For example, if it is desired to input information related to a crystal resonator, the tag “input crystal resonator information” may be selected. In this case, a screen as shown in FIG. 3 is displayed.
In the information input screen of the crystal unit shown in FIG. 3, a blank section is provided for each item necessary as product information. For this reason, by filling in the blank space according to the items, a database of crystal resonator information necessary as product information is created.

  In addition, when it is desired to search for a required crystal resonator from the database created on the screen as described above, the required crystal oscillation in the blank for each item in the subframe as shown in the lower left in FIG. You can search by entering child information. With such a function, it is possible to easily retrieve detailed information of the corresponding crystal resonator.

  In the main screen shown in FIG. 2, when “input outside factory information” is selected, a screen as shown in FIG. 4 is displayed. Thereby, it is possible to know the yield and product accuracy of each outsourced factory. In the present embodiment, a necessary information search function is provided on the same screen.

For example, when “yield information” is selected on the main screen, a screen as shown in FIG. 5 can be opened, and yield information for each transducer and oscillator can be obtained. Thus, since the yield when combined with a specific vibrator is displayed as information, it is possible to easily determine which vibrator can be used to manufacture an oscillator having good characteristics.
Further, by selecting a vibrator or an oscillator displayed on the screen, it is possible to know information at the prototype stage of the relevant vibrator or oscillator as shown in FIG.

It is a block diagram which shows embodiment which concerns on the production management system of this invention. The main screen of the Example in the case of utilizing the production management system which concerns on this invention is shown. It is one selection screen in the main screen shown in FIG. 2, Comprising: The information input screen of a crystal oscillator is shown. It is one selection screen in the main screen shown in FIG. 2, Comprising: The information input screen regarding an outside factory is shown. FIG. 3 is a selection screen on the main screen shown in FIG. 2, which is a screen showing product yield information. The scene which displays the detailed yield information of each product displayed when a product is selected in the yield information screen shown in FIG. 5 is shown.

Explanation of symbols

  10 ……… Customer, 20 ……… In-house department, 22 ……… Sales department, 24 ……… Production management department, 26 ……… Design engineering department, 30 ……… Production department (other company department), 32… ... 1st factory, 34 ... ... 2nd factory, 36 ... ... 3rd factory, 40 ... ... Server, 50 ... ... Database (DB), 60 ... ... Network.

Claims (4)

A production management method for producing and selling piezoelectric devices,
Accumulating information managed for each of a plurality of departments involved in the production and sales of the piezoelectric device in a shared database,
It is possible to browse information stored in the database and input update information in each of the plurality of departments,
A production management method characterized by performing a build-to-order manufacturing while confirming the number of orders received, delivery date, quality and function.   2. The production management method according to claim 1, wherein a production department in charge of production of the piezoelectric device among the plurality of departments is a factory of another company. In a production management system that shares information managed by multiple departments involved in the production and sale of piezoelectric devices,
A server provided with a storage unit for storing information for each department acquired by the plurality of departments, and a computer terminal provided for each department, the server and the computer terminal having an electric communication line Connected through
The computer terminal is provided with an information input / output means so that the information acquired for each department can be input to the storage unit provided in the server, and the information stored in the storage unit can be output.
The server corresponds to a characteristic comparison function for outputting comparison information between the characteristics of the piezoelectric device and the characteristics of the members constituting the piezoelectric device, and input information from the computer terminal based on the accumulated information in the database. A production management system comprising a search function for searching for information on a piezoelectric device. An ID number is assigned to each production lot for the members constituting the piezoelectric device,
4. The production management system according to claim 3, wherein among the plurality of departments, a production department in charge of production of piezoelectric devices inputs various information in a manufacturing process together with the ID number to the storage unit.

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