JP2007323577A - Sheet metal cutting method - Google Patents

Sheet metal cutting method Download PDF

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JP2007323577A
JP2007323577A JP2006156092A JP2006156092A JP2007323577A JP 2007323577 A JP2007323577 A JP 2007323577A JP 2006156092 A JP2006156092 A JP 2006156092A JP 2006156092 A JP2006156092 A JP 2006156092A JP 2007323577 A JP2007323577 A JP 2007323577A
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parts
sheet metal
data
separation
processing
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JP4767092B2 (en
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Naohisa Mashita
尚久 真下
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a sheet metal cutting method that enables each part to be taken out individually after TPP punching processing without creating NC data with an outer frame added to a small-sized part beforehand. <P>SOLUTION: TPP processing parts are divided into a part P1 to be detached which can be taken out individually after the processing, and parts A, B, C and D with microjoints which can not be taken out individually. NC data for the part P1 to be detached is created so as to have a cutting part 6 to be finally detached at one point that is finally detached from the sheet metal material. NC data for the parts A, B, C and D with microjoints is created so as to be joined with the surrounding sheet metal material by a microjoint part 9 at a plurality of points. The part P1 to be detached is arranged on the sheet metal material first, and then the parts with microjoints are arranged in the region of the sheet metal material where parts are not arranged, that is, the part P1 to be detached is not arranged. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

この発明は、ターレットパンチプレス(以下、TPP)による板の抜き加工のための板への部品の配置を行う板金板取方法に関するものである。  The present invention relates to a sheet metal plate removing method for arranging parts on a plate for punching a plate by a turret punch press (hereinafter, TPP).

TPP加工では、TPPに搬入された大板を部品毎に分割して搬出する部品毎搬出が多く用いられるようになっている。TPP加工における部品毎搬出は、加工後の製品仕分け作業を低減させる上で得策ではあるが、搬出装置とTPP加工機の金型部との配置上の制約で、搬出可能な部品の最小サイズと形状が、TPP加工機毎に定められている。
すなわち、TPPの金型部と、搬出装置との間の距離以上の部品サイズが必要であり、部品と板とを最終的に切り離すまでをつないでおくための最終切離し切断部を形成するために、部品形状の制約もある。
特許文献1には、ネスティングを、次工程、次次工程を考慮し、加工途中の素材板材の剛性を考慮し、さらに歩留まりを考慮して行うものが示されている。
In the TPP processing, the part-by-part carry-out in which a large plate carried into the TPP is divided into parts and carried out is often used. Unloading of each part in TPP processing is a good way to reduce product sorting after processing, but due to restrictions on the arrangement of the unloading device and the mold part of the TPP processing machine, The shape is determined for each TPP processing machine.
That is, in order to form a final cut-off portion for connecting a part and a plate until they are finally cut off, a part size larger than the distance between the TPP mold part and the carry-out device is necessary. There are also restrictions on part shapes.
Patent Document 1 discloses that nesting is performed in consideration of the next process, the next process, the rigidity of the material plate during processing, and the yield.

特開2002−116811号公報(第3〜6頁、図2)JP 2002-116811 A (pages 3 to 6, FIG. 2)

昨今、TPP用NCプログラム作成処理では、部品NCデータ作成後の板取(以下ネスティングと称する。)の自動化が主流となっており、最小搬出可能サイズ以下の小物部品に関しては、予め、部品毎に、あるいは複数の部品を詰め合わせた単位で、搬出可能なサイズになるように外枠を付加した部品NCデータを意図的に作成する必要がある。
同様に、搬出不可能な形状の部品に関しても搬出可能形状となるように外枠を付加した部品NCデータを意図的に作成する必要がある。
このような場合、NCプログラム作成処理に手間が掛かり(作図処理、手配数の調整等)かつネスティングの歩留り結果を低下させる要因となるという問題があった。
また、特許文献1には、搬出不可能な部品についての記載はなかった。
In recent years, in the NC program creation process for TPP, automation of the planing (hereinafter referred to as nesting) after creating part NC data has become the mainstream. For small parts that are smaller than the minimum unloadable size, Alternatively, it is necessary to intentionally create part NC data to which an outer frame is added so as to be a size that can be carried out in a unit in which a plurality of parts are assembled.
Similarly, it is necessary to intentionally create part NC data to which an outer frame is added so that a part having a shape that cannot be carried out has a shape that can be carried out.
In such a case, there has been a problem that the NC program creation processing takes time (drawing processing, adjustment of the number of arrangements, etc.) and becomes a factor of reducing the nesting yield result.
Further, Patent Document 1 has no description of components that cannot be carried out.

この発明は、上述のような課題を解決するためになされたものであり、小物部品に予め外枠を加えたNCデータを作成する必要がなく、TPP板抜き加工後の部品毎搬出を可能とする板金板取方法を得ることを目的にしている。  The present invention has been made to solve the above-described problems, and it is not necessary to create NC data obtained by adding an outer frame to small parts in advance, and it is possible to carry out each part after TPP plate cutting. The purpose is to obtain a sheet metal sheet taking method.

この発明に係わる板金板取方法においては、ターレットパンチプレス加工部品を加工後に単独で搬出可能な切離し用部品と単独では搬出不可能な小物部品とに分け、それぞれについて加工用のNCデータを作成し、まず、切離し用部品を板素材に配置し、その後に小物部品を板素材の切離し用部品を配置していない部品未配置領域に配置するものである。  In the sheet metal plate taking method according to the present invention, the turret punch press processed parts are divided into parts for separation that can be carried out independently after processing and small parts that cannot be carried out alone, and NC data for machining is created for each, First, the part for separation is arranged on the plate material, and then the accessory part is arranged in the part non-arranged region where the part for separation of the plate material is not arranged.

この発明は、以上説明したように、ターレットパンチプレス加工部品を加工後に単独で搬出可能な切離し用部品と単独では搬出不可能な小物部品とに分け、それぞれについて加工用のNCデータを作成し、まず、切離し用部品を板素材に配置し、その後に小物部品を板素材の切離し用部品を配置していない部品未配置領域に配置するので、小物部品に予め外枠を加えたNCデータを作成する必要がなく、TPP抜き加工後の部品毎搬出を可能とすることができる。   As described above, the present invention divides a turret punch press processed part into a separating part that can be carried out independently after machining and a small part that cannot be carried out alone, and creates NC data for machining for each, First, the part for separation is placed on the plate material, and then the small part is placed in the part unplaced area where the part for separation of the plate material is not placed, so NC data is created by adding an outer frame to the small part in advance. Therefore, it is possible to carry out each part after TPP punching.

実施の形態1.
図1は、この発明の実施の形態1によるTPPの部品搬出を説明する上面図であり、図1(a)は、部品搬出が可能な場合、図1(b)は、部品搬出が不可能な場合を示している。
図1において、TPP1は、ターレット式の金型部2と、搬出装置3を有し、TPP1に搬入され、加工された板素材4から搬出部品5を切断して搬出装置3により搬出する。この搬出部品5は、最終切離し切断部6を有し、板素材4とは最終切離し切断部6によってのみ接続される状態に加工され、最終的に、この最終切離し切断部6が切り離されて、搬出される。
図1(a)では、搬出部品5が十分大きく、搬出装置3により搬出される。図1(b)では、搬出部品5の大きさが、最小搬出可能サイズに満たないので、搬出できない。
なお、最小搬出可能サイズは、TPP毎に、縦及び横サイズが予め設定されている。
Embodiment 1 FIG.
FIG. 1 is a top view for explaining TPP component unloading according to Embodiment 1 of the present invention. FIG. 1A shows a case where components can be unloaded, and FIG. Shows the case.
In FIG. 1, the TPP 1 has a turret type mold unit 2 and a carry-out device 3, and is carried into the TPP 1, and the carry-out component 5 is cut from the processed plate material 4 and carried out by the carry-out device 3. This unloading part 5 has a final detachment cutting part 6 and is processed into a state where it is connected to the plate material 4 only by the final detachment cutting part 6. Finally, this final detachment cutting part 6 is cut off, It is carried out.
In FIG. 1A, the carry-out component 5 is sufficiently large and is carried out by the carry-out device 3. In FIG.1 (b), since the magnitude | size of the carrying-out component 5 is less than the minimum carrying-out size, it cannot carry out.
Note that the vertical and horizontal sizes of the minimum carry-out size are set in advance for each TPP.

図2は、この発明の実施の形態1による板金板取方法での搬出不可能な部品の例を示す説明図である。
図2において、A、B、Cは最小搬出可能サイズに満たない大きさの小物部品である。Dは大きさでは、最小搬出可能サイズ以上であっても、形状から最終切離し切断部6が設けられないので、搬出不可能な部品である。
FIG. 2 is an explanatory view showing an example of parts that cannot be carried out by the sheet metal plate removing method according to Embodiment 1 of the present invention.
In FIG. 2, A, B, and C are small parts having a size less than the minimum carry-out size. Even if D is larger than the minimum carry-out size, D is a part that cannot be carried out because the final cut-off portion 6 is not provided from the shape.

図3は、この発明の実施の形態1による板金板取方法での部品加工を示す図であり、図3(a)は、切離し用部品NCデータであり、図3(b)は、ミクロジョイント付部品NCデータである。
図3において、P1は切離し用部品NCデータであり、1箇所の最終切離し切断部6と切断部7が設けられている。A、B、C、Dは図2の部品に対応する部品であり、外周部に設けられた切断部7と、角部などに設けられた複数のミクロジョイント部9とを有している。以下では、このA、B、C、DのようなNCデータをミクロジョイント付部品NCデータという。
FIG. 3 is a diagram showing component processing in the sheet metal plate cutting method according to the first embodiment of the present invention, FIG. 3 (a) is the part NC data for separation, and FIG. 3 (b) is with a micro joint. This is part NC data.
In FIG. 3, P <b> 1 is the part NC data for separation, and one final separation cutting part 6 and cutting part 7 are provided. A, B, C, and D are parts corresponding to the parts shown in FIG. 2, and have a cutting part 7 provided at the outer peripheral part and a plurality of micro joint parts 9 provided at corners and the like. Hereinafter, the NC data such as A, B, C, and D is referred to as micro joint-equipped NC data.

図4は、この発明の実施の形態1による板金板取方法を示す図であり、図4(a)は、切離し用部品P1、P2、P3を配置した図、図4(b)は、A、B、C、Dのようなミクロジョイント付部品を配置した図である。
図4において、板素材4に切離し用部品P1、P2、P3が配置された後の部品未配置領域(ウエスト部)8が示されている。
FIG. 4 is a diagram showing a sheet metal plate removing method according to Embodiment 1 of the present invention, in which FIG. 4 (a) is a diagram in which parts P1, P2, and P3 for separation are arranged, and FIG. It is the figure which has arrange | positioned components with a micro joint like B, C, and D. FIG.
In FIG. 4, a component non-arrangement region (waist portion) 8 after the separation components P1, P2, and P3 are arranged on the plate material 4 is shown.

図5は、この発明の実施の形態1による板金板取方法を示す図であり、図5(a)は、部品未配置領域(ウエスト部)8が小さいため、ミクロジョイント付部品を配置できない場合、図5(b)は、新しい板素材4にミクロジョイント付部品を配置した図である。
図5において、板素材4に、すでに切離し用部品が配置された切離し可能部品配置領域10と、部品未配置領域8が示されている。
FIG. 5 is a diagram illustrating a sheet metal plate removing method according to Embodiment 1 of the present invention, and FIG. 5A is a case where a component non-arranged region (waist portion) 8 is small, so that a component with a micro joint cannot be disposed. FIG. 5B is a diagram in which parts with micro joints are arranged on a new plate material 4.
In FIG. 5, a separable part placement area 10 in which parts for separation have already been placed and a part non-placement area 8 are shown on the plate material 4.

図6は、この発明の実施の形態1による板金板取方法を示すフローチャートである。
図6において、ネスティング指示ファイル11は、生産情報から予め形成された部品の配置指示を示すファイルである。部品板金展開データ12は、設計から送られる3次元データに基づき、予め部品の板金展開を行なったデータである。切離し用部品NCデータ13は、図3(a)に示すような、その部品単独で搬出される切離し用部品としてのNCデータである。ミクロジョイント付部品NCデータ14は、その部品単独では搬出できないので、図3(b)に示すような複数点のミクロジョイント部9を有するように形成されたNCデータである。シートNCデータ15は、実際にTPPで加工する際のプログラムコードデータである。板取情報ファイル16は、板素材にどの部品が何個割付けられているかの情報を有するファイルである。
11〜16は、コンピュータの記憶装置に格納されている。
FIG. 6 is a flowchart showing a sheet metal plate removing method according to Embodiment 1 of the present invention.
In FIG. 6, a nesting instruction file 11 is a file indicating an arrangement instruction for parts formed in advance from production information. The component sheet metal development data 12 is data obtained by performing sheet metal development of a component in advance based on the three-dimensional data sent from the design. The part NC data for separation 13 is NC data as a part for separation that is carried out alone as shown in FIG. The part NC data 14 with micro joints is NC data formed so as to have a plurality of micro joint parts 9 as shown in FIG. The sheet NC data 15 is program code data when actually processing with TPP. The planing information file 16 is a file having information on how many parts are assigned to the board material.
11 to 16 are stored in a storage device of a computer.

次に、図6に基き、実施の形態1の板金板取方法について説明する。この処理はコンピュータにより行われる。
ステップS1で、生産情報から作成されたネスティング指示ファイル11を読み込み、ステップS2で、その内容にしたがって、すでに準備済みの部品板金展開データ12を読み込んで取得し、この取得した展開データのX・Y寸法と形状を認識する。ステップS3で、この認識した部品サイズ及び展開形状により、部品単独での切離し搬出可否を判断する。
ステップS3で、切離し搬出可能と判断された部品に関しては、ステップS4で、図3(a)のような切離し用部品NCデータ13の作成処理を行なう。同様に切離し搬出不可能と判断された部品に関しては、ステップS5で、図3(b)のようなミクロジョイント付部品NCデータ14の作成処理を行なう。
ステップS6で、NCデータ(切離し用部品NCデータ13またはミクロジョイント付部品NCデータ14)の未作成部品の有無をチェックし、ステップS2〜S5を、ネスティング指示ファイル11内の全部品に対して処理実行する。(図3参照)
Next, based on FIG. 6, the sheet metal plate taking method of Embodiment 1 is demonstrated. This process is performed by a computer.
In step S1, the nesting instruction file 11 created from the production information is read. In step S2, in accordance with the contents of the nesting instruction file 11, the already prepared component sheet metal development data 12 is read and obtained. Recognize dimensions and shape. In step S3, it is determined whether or not the component can be separated and carried out based on the recognized component size and developed shape.
With respect to the parts that are determined to be able to be separated and taken out in step S3, the part NC data 13 for separation as shown in FIG. 3A is created in step S4. Similarly, for a part that is determined to be undetachable and unloadable, in step S5, a process for creating the NC data 14 with micro joint as shown in FIG. 3B is performed.
In step S6, the presence or absence of uncreated parts in the NC data (parting part NC data 13 or micro jointed part NC data 14) is checked, and steps S2 to S5 are processed for all parts in the nesting instruction file 11. Execute. (See Figure 3)

次いで、ステップS7で、ステップS4の処理により作成した切離し用部品を最適歩留りになるように板素材に配置する(図4a参照)。次いで、ステップS8で、ミクロジョイント付部品が存在する場合は、ステップS9で、ステップS7の処理にて切離し用部品が配置された板素材内の部品未配置領域8にミクロジョイント付部品が割付けられるかどうかを確認し、割付けられる場合には、ステップS10で、NCデータ作成済みのミクロジョイント付部品を最適歩留りになるように部品未配置領域8に配置する(図4(b)参照)。   Next, in step S7, the part for separation created by the process in step S4 is arranged on the plate material so as to obtain an optimum yield (see FIG. 4a). Next, in step S8, if there is a part with a micro joint, in step S9, the part with the micro joint is assigned to the part non-arranged region 8 in the plate material where the part for separation is arranged in the process of step S7. In step S10, the parts with micro joints for which NC data has been created are placed in the part non-placement region 8 so as to obtain an optimum yield (see FIG. 4B).

ステップS9で、部品未配置領域8の形状・面積の関係などで全てのミクロジョイント付部品が部品未配置領域8に割付かない場合(図5(a))は、ステップS11で、保有する板素材の中で、最も歩留まりがよくなるサイズの板素材を自動選択した新たな板素材を使用し、ステップS12で、予め設定されている領域内(ユーザにより任意に変更可能とする)にミクロジョイント付部品を配置する(図5(b))。   If all the parts with micro joints are not allocated to the part non-placement area 8 due to the shape / area of the part non-placement area 8 in step S9 (FIG. 5A), the plate material held in step S11. Among them, a new plate material that automatically selects a plate material of the size that provides the best yield is used, and in step S12, a part with a micro joint is set within a preset area (which can be arbitrarily changed by the user). Is arranged (FIG. 5B).

全ての部品の配置(ネスティング)が完了したら、ステップS13で、板素材単位でのTPP加工のためのNCプログラムであるシートNCプログラムの作成処理を実行する。この結果、シートNCデータ15と、板取情報ファイル16が作成される。
このシートNCデータ15と板取情報ファイル16とを用いて、実際のTPP加工が実施される。
When the arrangement (nesting) of all the parts is completed, a process of creating a sheet NC program, which is an NC program for TPP processing in plate material units, is executed in step S13. As a result, sheet NC data 15 and a planing information file 16 are created.
Using this sheet NC data 15 and the planing information file 16, actual TPP processing is performed.

実施の形態1によれば、切離し用部品は、部品毎に板素材に配置し、ミクロジョイント付部品は、部品未配置領域8または新たな板素材に配置するようにしたので、部品サイズに関わらず、TPP抜き加工後の部品毎搬出を可能としつつ、小物部品にも対応することができる。
また、小物部品に予め外枠を加えたNCデータを作成する必要がない。
According to the first embodiment, the parts for separation are arranged on the plate material for each part, and the parts with micro joints are arranged on the part non-arranged region 8 or a new plate material. In addition, it is possible to handle small parts while enabling the parts to be carried out after the TPP punching process.
Further, it is not necessary to create NC data in which an outer frame is added to a small part in advance.

この発明の実施の形態1によるTPPの部品搬出を説明する上面図である。It is a top view explaining the parts carrying-out of TPP by Embodiment 1 of this invention. この発明の実施の形態1による板金板取方法での搬出不可能な部品の例を示す説明図である。It is explanatory drawing which shows the example of the components which cannot be carried out by the sheet metal plate taking method by Embodiment 1 of this invention. この発明の実施の形態1による板金板取方法での部品加工を示す図である。It is a figure which shows the components process by the sheet metal plate taking method by Embodiment 1 of this invention. この発明の実施の形態1による板金板取方法を示す図である。It is a figure which shows the sheet metal plate taking method by Embodiment 1 of this invention. この発明の実施の形態1による板金板取方法を示す図である。It is a figure which shows the sheet metal plate taking method by Embodiment 1 of this invention. この発明の実施の形態1による板金板取方法を示すフローチャートである。It is a flowchart which shows the sheet metal plate taking method by Embodiment 1 of this invention.

符号の説明Explanation of symbols

1 TPP
2 金型部
3 搬出装置
4 板素材
5 搬出部品
6 最終切離し切断部
7 切断部
8 部品未配置領域
9 ミクロジョイント部
10 切離し可能部品配置領域
11 ネスティング指示ファイル
12 部品板金展開データ
13 切離し用部品NCデータ
14 ミクロジョイント付部品NCデータ
15 シートNCデータ
16 板取情報ファイル
1 TPP
2 Mold part 3 Unloading device 4 Plate material 5 Unloading part 6 Final cutting and cutting part 7 Cutting part 8 Parts non-arrangement area 9 Micro joint part 10 Separable part arrangement area 11 Nesting instruction file 12 Parts sheet metal development data 13 Separation part NC Data 14 Parts NC data with micro joint 15 Sheet NC data 16 Cutting data file

Claims (4)

ターレットパンチプレス加工部品を加工後に単独で搬出可能な切離し用部品と単独では搬出不可能な小物部品とに分け、それぞれについて上記加工用のNCデータを作成し、まず、切離し用部品を板素材に配置し、その後に小物部品を上記板素材の上記切離し用部品を配置していない部品未配置領域に配置することを特徴とする板金板取方法。   Turret punch press parts are separated into parts for separation that can be carried out independently after processing and small parts that cannot be carried out independently. NC data for the above processing is created for each part. First, the parts for separation are made into plate materials. A sheet metal sheet picking method, comprising: arranging, and thereafter, arranging an accessory part in a part non-arranged region where the part for separating the plate material is not arranged. 上記小物部品を上記部品未配置領域に配置できないときは、新たな板素材に配置することを特徴とする請求項1記載の板金板取方法。   2. The sheet metal plate removing method according to claim 1, wherein when the accessory part cannot be arranged in the part non-arranged region, the accessory part is arranged on a new sheet material. 上記小物部品は、上記加工後に、周囲の上記板素材との間で複数点のミクロジョイント部により接続されるように上記NCデータが作成されることを特徴とする請求項1記載の板金板取方法。   2. The sheet metal plate cutting method according to claim 1, wherein the NC data is created so that the small part is connected to the surrounding plate material by a plurality of micro joint portions after the processing. . 上記切離し用部品は、上記板素材と最終的に切離される最終切離し切断部を有するように上記NCデータが作成されることを特徴とする請求項1記載の板金板取方法。
2. The sheet metal sheet cutting method according to claim 1, wherein the NC data is created so that the separation part has a final separation cut part that is finally separated from the sheet material.
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Cited By (1)

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JP2011240378A (en) * 2010-05-19 2011-12-01 Mitsubishi Electric Corp Method for machining sheet metal part

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JPH10315078A (en) * 1997-05-16 1998-12-02 Murata Mach Ltd Composite finishing machine
JPH11319987A (en) * 1998-05-19 1999-11-24 Amada Co Ltd Plate working device
JP2003340532A (en) * 2002-05-27 2003-12-02 Amada Co Ltd Method for making control data for parts separating apparatus and system thereof and parts separating system
JP2006107131A (en) * 2004-10-05 2006-04-20 Mitsubishi Electric Corp Graphic arranging device, graphic arranging method, and program for making computer execute the method

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JPH03251342A (en) * 1990-02-26 1991-11-08 Nec Corp Nc data preparing device for microjoint cut work
JPH10315078A (en) * 1997-05-16 1998-12-02 Murata Mach Ltd Composite finishing machine
JPH11319987A (en) * 1998-05-19 1999-11-24 Amada Co Ltd Plate working device
JP2003340532A (en) * 2002-05-27 2003-12-02 Amada Co Ltd Method for making control data for parts separating apparatus and system thereof and parts separating system
JP2006107131A (en) * 2004-10-05 2006-04-20 Mitsubishi Electric Corp Graphic arranging device, graphic arranging method, and program for making computer execute the method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011240378A (en) * 2010-05-19 2011-12-01 Mitsubishi Electric Corp Method for machining sheet metal part

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