WO2015029232A1 - 工具管理システム - Google Patents
工具管理システム Download PDFInfo
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- WO2015029232A1 WO2015029232A1 PCT/JP2013/073394 JP2013073394W WO2015029232A1 WO 2015029232 A1 WO2015029232 A1 WO 2015029232A1 JP 2013073394 W JP2013073394 W JP 2013073394W WO 2015029232 A1 WO2015029232 A1 WO 2015029232A1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4093—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
- G05B19/40937—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine concerning programming of machining or material parameters, pocket machining
- G05B19/40938—Tool management
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32422—Tool management and database management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to a tool management system for assisting an operator in setting up a tool for preparing a tool magazine required for executing an NC program for machining a workpiece in a machine tool in a tool magazine of the machine tool.
- Machine tools such as machining centers are controlled according to the NC program that describes the machining process.
- Tools necessary for each machining process described in the machining program are selected from a tool magazine and supplied to a machine tool via an automatic tool changer. Therefore, all the tools necessary for executing the NC program must be stored in the tool magazine.
- the tools are stored in a state of being mounted in storage units (tool pots) assigned with individual numbers.
- the tool magazine has a tool magazine database that stores data related to all the tools stored in the tool magazine in association with tool pot numbers.
- the programmer creates an NC program for producing the workpiece based on the CAD data created by the workpiece designer using the CAM system.
- a tool (tool to be used) necessary for executing each machining process is indicated in the NC program using a tool number.
- Japanese Patent Application Laid-Open No. 2004-142025 by the present applicant discloses an example of an NC program in which such tool numbers are described, and is referred to as an integral part of the present application.
- the machine tool operator When the NC program is changed, the machine tool operator must replace the tools in the tool magazine according to the changed NC program. This operation is performed manually by a machine tool operator. That is, the operator of the machine tool prepares tools necessary for executing each machining process in the tool magazine while referring to the tool number in the NC program.
- the operator rewrites the tool magazine database while attaching the tool to a tool pot of an appropriate number so that the tool number in the NC program and the pot number in the tool magazine database refer to the same tool. .
- a tool data table storing each tool data of tools stored in a tool magazine is provided, a machining program is analyzed, and specified in the machining program.
- a CNC device is disclosed in which it is determined whether or not tool data of a tool exists in the tool data table, and if there is no tool data, it is determined as a missing tool.
- the operator of the machine tool can easily determine whether or not a tool necessary for executing the NC program exists in the tool magazine.
- the present invention has a technical problem to solve such problems of the prior art, and is stored in a used tool list, a tool room, and a tool magazine which are lists of tools used in a machine tool to execute an NC program.
- a tool that assists the machine tool operator in preparing the tool to be used in the tool magazine by easily and accurately creating tool-related data such as a standby tool list, which is a list of existing tools, in a short time.
- the purpose is to provide a management system.
- a tool management system for a machine tool provided with a tool magazine, a tool database including a list of tools prepared in a factory and a use including a list of tools necessary for executing an NC program
- a tool management system comprising a tool list, a tool candidate list obtained by extracting tool candidates that can be used tools from the used tool list and the tool database, and displaying the tool candidate list on a screen.
- the tool candidate list is displayed on the screen, and the operator can easily select a tool that can be a substitute tool by looking at the tool candidate list.
- the tool database that can be used by machine tool operators between the NC device and the personal computer of the CAM system, it is possible to quickly create a used tool list, a standby tool list, and a tool candidate list.
- FIG. 1 is a block diagram of a tool management system according to a preferred embodiment of the present invention. It is an example of the use tool list
- FIG. 1 is a block diagram illustrating a tool management system according to a preferred embodiment.
- a tool management apparatus 10 includes a program analysis unit 12, a tool comparison unit 14, a tool search unit 16, a database rewriting unit 18, a liquid crystal display device, a touch panel, and the like that are interconnected via a bidirectional bus 24.
- the display unit 20 and an input unit 22 such as a keyboard and a touch panel constituting the display unit 20 are provided as main components.
- the tool management apparatus 10 is connected to the CAM system 26, the NC apparatus 28, the tool room database 30, and the tool magazine database 32 by communication means 36 such as a LAN.
- the tool management device 10 can be configured as a part of a program of a machine control device (not shown) for controlling a machine tool or the NC device 28, for example. Or the tool management apparatus 10 is good also as an independent personal computer arrange
- a tool database 34 is constituted by the tool room database 30 and the tool magazine database 32. In the case of a factory where a plurality of machine tools are installed, a tool magazine database of other machine tools may be included in the tool database 34.
- the program analysis unit 12 accesses the CAM system 26, analyzes the NC program generated by the CAM system 26, and executes all machining processes described in the NC program.
- the tool to be used is extracted to generate a tool list to be used.
- the tool comparison unit 14 collates the used tool list generated by the program analysis unit 12 with the standby tool list stored in the tool database 34.
- the tool search unit 16 matches the search condition from the tool database 34 when the tool described in the used tool list and the tool described in the standby tool list do not match.
- a tool is searched and a tool candidate list as a search result is generated.
- the database rewriting unit 18 accesses the tool database 34 so that the operator of the machine tool can rewrite the tool database 34.
- the NC device 28 In a machine tool equipped with the NC device 28, such as a machining center, the NC device 28 reads and interprets the NC program from the CAM system 26, and a workpiece is machined according to the NC program.
- a programmer creating an NC program uses the CAM system 26 to create an NC program necessary for machining the workpiece by a machine tool based on CAD data that is workpiece design data.
- a programmer When creating an NC program, a programmer usually selects a tool while referring to a tool list as shown in Table 1. In the tool list shown in Table 1, data such as the type (flat end mill, ball end mill, drill, etc.), tool dimensions (tool length, tool diameter, etc.) and the number of blades for the tools used in the factory are shown in the tool number. (PTN) is associated with the table.
- the programmer selects a tool suitable for executing each machining process in the NC program, and writes a tool number corresponding to the tool in the NC program.
- the machine tool executes each machining process in the NC program, the machine tool refers to the tool number in the NC program so that the tool of the tool number and the automatic tool changer are mounted on the tip of the spindle. Issue a command.
- the tool room database 30 includes each type of tool (flat end mill, ball end mill, drill, etc.) currently stored in the tool room for storing tools, and tool dimensions (tool length, tool). Data such as the diameter and the number of blades are stored in association with the tool number and the number (pot number) of the tool pot in which the tool is mounted in the tool chamber.
- the pot number and the tool number are shown to be coincident with each other, but they are not necessarily coincident. Further, in the case of a tool chamber that does not have a tool pot, it may be represented by the address of the tool storage unit.
- the tool magazine database 32 includes a plurality of types of tools (flat end mills, balls, etc.) currently stored in a tool magazine of a machine tool (not shown) to which the tool management system of the present invention is applied.
- Data such as end mills, drills, etc., tool dimensions (tool length, tool diameter, etc.) and number of teeth are stored in the tool magazine in association with the number of the tool pot in which the tool is mounted (pot number). Yes.
- the program analysis unit 12 receives the NC program from the CAM system 26, analyzes the NC program, extracts a tool number necessary for executing each machining process of the NC program, and each tool type of the tool.
- the tool diameter list is generated by associating information such as the tool diameter and the tool length with the tool number and the number of the tool pot in which the tool is mounted in the tool magazine.
- FIG. 2 shows an example of the used tool list displayed on the display unit 20.
- the program number (O100, O200,...) Is displayed on the screen of the display unit 20. For example, when the program number O300 is clicked, three tools are used to execute this NC program. (PTN), tool type, tool diameter, tool length, number of teeth, etc. are displayed in list format.
- the tool comparison unit 14 generates a standby tool list based on the tool data stored in the tool room database 30 and the tool magazine database 32. Referring to FIG. 3, an example of the standby tool list displayed on the display unit 20 is shown.
- the tool comparison unit 14 collates the generated standby tool list with the used tool list created by the program analysis unit 12, and displays the result on the display unit 20 as a matching table as shown in FIG.
- the operator of the machine tool can determine whether or not a tool necessary for machining is stored in the tool magazine with reference to the matching table displayed on the display unit 20.
- the tool of pot number 71 in the tool magazine is a drill having a tool diameter of 8.0000 mm and a tool length of 155.0000 mm.
- FIG. 5 an example of a tool candidate list displayed on the display unit 20 as a search result by the tool search unit 16 is shown.
- a flat end mill with a pot diameter of 21 and a tool diameter of 15.0 mm and a tool length of 155.0 mm is shown.
- the symbol (*) indicates that the tool is stored outside the tool magazine, in this example, in the tool chamber.
- the tool search unit 16 can display a search condition input dialog screen (dialog) on the display unit 20 for the operator.
- a search condition input dialog screen (dialog)
- a tool type, a tool diameter range, a tool length range, and the number of blades are entered in the dialog, a tool that meets this search condition is searched. For example, when only a tool type is input and searched, tools having various tool diameters, tool lengths, and number of blades belonging to the tool type are displayed as search results.
- a tool radius range is input and the search is performed again.
- the range of the tool diameter is narrowed or the range of the tool length is input and the search is performed again.
- the search result is narrowed down.
- the order in which the search results are displayed that is, the recommended order of tools, is to prioritize the tool type that is the same as the tool type to be used, and that has a small dimensional difference (absolute value) from the tool diameter to be used. Priority is given to those with a small dimensional difference (absolute value), and finally those with the same number of teeth are given priority.
- the tool search unit 16 may automatically search for tools used in similar machining performed in the past and display the search results.
- the operator of the machine tool can appropriately select a substitute tool based on such a search result.
- the operator manually operates the tool magazine.
- the end mill is removed from the No. 45 or No. 21 tool pot and attached to the No. 71 tool pot, and is stored in the tool magazine database 32 via the input unit 22 and the database rewriting unit 18 of the tool management apparatus 10.
- the tool data related to pot No. 71 is rewritten to a flat end mill with a tool diameter of 16.0 mm and a tool length of 185.0 mm.
- the PTN that is the calling tool number may be rewritten such that the PTN having the pot number 71 is set to another number and the PTN having the pot number 45 is set to 71.
- the operator of the machine tool selects the flat end mill of pot number 30 stored outside the tool magazine, for example, in the tool chamber, the operator takes out the flat end mill of pot number 30 from the tool chamber, The flat end mill is attached to a tool pot No. 71 in the tool magazine.
- the operator also sends the tool data relating to the pot number 71 stored in the tool magazine database 32 via the input unit 22 and the database rewriting unit 18 of the tool management apparatus 10 to a flat having a tool diameter of 16.0 mm and a tool length of 185.0 mm.
- the tool data relating to pot number 30 is rewritten from the tool room database 30.
- the tool database 34 including the tool room database 30 and the tool magazine database 32 is shared with the CAM system 26 and the tool management apparatus 10, so that the used tool list, the standby tool list, and the tool candidate list can be quickly displayed.
- the tools necessary for executing the NC program can be quickly prepared in the tool magazine.
- the tool search unit 16 selects a similar tool in the past. Search conditions may be automatically set based on past performance data related to the machining process. This makes it possible to prepare the tools necessary for executing the NC program more quickly and easily in the tool magazine. In addition, by making it possible to accumulate past performance data and search conditions, it is possible to improve the tool search accuracy.
- the tool data is handled in common between departments that perform different operations, such as a department in which a programmer creates an NC program and a department in which a machine tool operator edits a standby tool list. This makes it easy to prepare the tool to be used in the tool magazine and to edit the tool database.
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Abstract
Description
図1は、好ましい実施の形態による工具管理システムを示すブロック図である。図1において、工具管理装置10は、双方向バス24を介して相互接続された、プログラム解析部12、工具比較部14、工具検索部16、データベース書換部18、液晶表示装置やタッチパネルのような表示部20およびキーボードや表示部20を構成するタッチパネルのような入力部22を主要な構成要素として具備している。また、工具管理装置10は、LANのような通信手段36によって、CAMシステム26、NC装置28、工具室データベース30、工具マガジンデータベース32に接続されている。
12 プログラム解析部
14 工具比較部
16 工具検索部
18 データベース書換部
20 表示部
22 入力部
26 CAMシステム
28 NC装置
30 工具室データベース
32 工具マガジンデータベース
34 工具データベース
Claims (9)
- 工具マガジンを備えた工作機械の工具管理システムにおいて、
工場内に準備されている工具の一覧を含む工具データベースと、
NCプログラムを実行するために必要な工具の一覧である使用工具リストと、
前記使用工具リストと前記工具データベースとから使用工具となり得る工具候補を抽出した工具候補リストと、
を具備し、前記工具候補リストを表示部に表示することを特徴とした工具管理システム。 - 前記工具データベースは、工場内に設けられ工具を保管する工具室内に収納されている全ての工具の一覧を含む工具室データベースと、工作機械の工具マガジン内に収納されている全ての工具の一覧を含む工具マガジンデータベースとを含んで成る請求項1に記載の工具管理システム。
- 前記工具室データベースは、前記一覧に記載されている工具の各々の少なくとも種類、工具径、工具長を、工具室内において該工具が装着されている工具収納部の番号に関連付けて格納している請求項2に記載の工具管理システム。
- 前記工具マガジンデータベースは、前記一覧に記載されている工具の各々の少なくとも種類、工具径、工具長を、工具マガジン内において該工具が装着されている工具収納部の番号に関連付けて格納している請求項2に記載の工具管理システム。
- 前記工具室データベースおよび前記工具マガジンデータベースから、工具室および工具マガジンに収納されている工具の一覧である待機工具リストを生成し、前記使用工具リストと照合する工具比較部を具備する請求項2に記載の工具管理システム。
- 前記使用工具リストに記載されている工具と、前記待機工具リストに記載されている工具とが一致していない場合に、前記工具データベースを検索条件に従い検索し、前記検索条件に適合する工具の一覧である工具候補リストを生成する工具検索部を具備する請求項5に記載の工具管理システム。
- 前記工具検索部は、検索条件を入力するための対話画面を前記表示部に表示する請求項6に記載の工具管理システム。
- 前記工具検索部は、過去の実績データに基づく検索条件を前記表示部に表示する請求項6または7に記載の工具管理システム。
- NCプログラムを読み取り、解釈することによって前記使用工具リストを生成するプログラム解釈部を具備する請求項1に記載の工具管理システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US14/915,038 US10078324B2 (en) | 2013-08-30 | 2013-08-30 | Tool management system |
EP13892134.1A EP3040156A4 (en) | 2013-08-30 | 2013-08-30 | Tool management system |
CN201380078741.5A CN105451934B (zh) | 2013-08-30 | 2013-08-30 | 工具管理*** |
JP2015533904A JP6114828B2 (ja) | 2013-08-30 | 2013-08-30 | 工具管理システム |
PCT/JP2013/073394 WO2015029232A1 (ja) | 2013-08-30 | 2013-08-30 | 工具管理システム |
Applications Claiming Priority (1)
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PCT/JP2013/073394 WO2015029232A1 (ja) | 2013-08-30 | 2013-08-30 | 工具管理システム |
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WO2015029232A1 true WO2015029232A1 (ja) | 2015-03-05 |
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PCT/JP2013/073394 WO2015029232A1 (ja) | 2013-08-30 | 2013-08-30 | 工具管理システム |
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US (1) | US10078324B2 (ja) |
EP (1) | EP3040156A4 (ja) |
JP (1) | JP6114828B2 (ja) |
CN (1) | CN105451934B (ja) |
WO (1) | WO2015029232A1 (ja) |
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WO2022024456A1 (ja) | 2020-07-28 | 2022-02-03 | Dmg森精機株式会社 | 工具搬送システム、工具搬送システムの制御方法、および、工具搬送システムの制御プログラム |
WO2022097268A1 (ja) | 2020-11-06 | 2022-05-12 | Dmg森精機株式会社 | 工具搬送システム、工具搬送システムの制御方法、および、工具搬送システムの制御プログラム |
WO2022107198A1 (ja) | 2020-11-17 | 2022-05-27 | Dmg森精機株式会社 | 工具搬送システム、工具搬送システムの制御方法、および、工具搬送システムの制御プログラム |
WO2022269674A1 (ja) | 2021-06-21 | 2022-12-29 | Dmg森精機株式会社 | 加工システム、検索方法、および検索プログラム |
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WO2022024456A1 (ja) | 2020-07-28 | 2022-02-03 | Dmg森精機株式会社 | 工具搬送システム、工具搬送システムの制御方法、および、工具搬送システムの制御プログラム |
WO2022097268A1 (ja) | 2020-11-06 | 2022-05-12 | Dmg森精機株式会社 | 工具搬送システム、工具搬送システムの制御方法、および、工具搬送システムの制御プログラム |
WO2022107198A1 (ja) | 2020-11-17 | 2022-05-27 | Dmg森精機株式会社 | 工具搬送システム、工具搬送システムの制御方法、および、工具搬送システムの制御プログラム |
WO2022269674A1 (ja) | 2021-06-21 | 2022-12-29 | Dmg森精機株式会社 | 加工システム、検索方法、および検索プログラム |
Also Published As
Publication number | Publication date |
---|---|
US20160202690A1 (en) | 2016-07-14 |
JPWO2015029232A1 (ja) | 2017-03-02 |
EP3040156A4 (en) | 2017-04-26 |
EP3040156A1 (en) | 2016-07-06 |
US10078324B2 (en) | 2018-09-18 |
CN105451934B (zh) | 2018-03-09 |
JP6114828B2 (ja) | 2017-04-12 |
CN105451934A (zh) | 2016-03-30 |
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