JPH04163601A - Numerical control information generation device - Google Patents

Numerical control information generation device

Info

Publication number
JPH04163601A
JPH04163601A JP2290362A JP29036290A JPH04163601A JP H04163601 A JPH04163601 A JP H04163601A JP 2290362 A JP2290362 A JP 2290362A JP 29036290 A JP29036290 A JP 29036290A JP H04163601 A JPH04163601 A JP H04163601A
Authority
JP
Japan
Prior art keywords
shape
machining
processing
control information
numerical control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2290362A
Other languages
Japanese (ja)
Other versions
JP2752783B2 (en
Inventor
Tomohiro Suzuki
智博 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Okuma Corp
Original Assignee
Okuma Machinery Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Okuma Machinery Works Ltd filed Critical Okuma Machinery Works Ltd
Priority to JP2290362A priority Critical patent/JP2752783B2/en
Publication of JPH04163601A publication Critical patent/JPH04163601A/en
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Abstract

PURPOSE:To reduce the burden of an operator by automatically generating a working process so that no area which is decided to be removed by means of the process is worked when there is the existing working process in a numerical control information generation device. CONSTITUTION:A pre-working shape change part 8 inputs a pre-working shape SF from a pre-working shape storage part 2, inputs working process data SD3 from a working process data storage part 5 and changes the pre-working shape SF so as to remove, the area which is decided to be removed by the existing working process stored in the working process data storage part 5. After a change is terminated, SF is stored in the pre-working shape storage part 2 as the pre-working shape SF again. Thus, there is no need to operate the automatic regeneration of the working process after the pre-working shape from which the area decided to be removed by the existing working process is removed is re-inputted and the burden of the operator is reduced.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、加工後形状及び加工前形状を入力し、これら
加工後形状及び加工前形状に基づいて加工工程を自動生
成する数値制御情報作成装置に関する。
Detailed Description of the Invention (Field of Industrial Application) The present invention provides numerical control information creation for inputting a shape after machining and a shape before machining, and automatically generating a machining process based on the shape after machining and the shape before machining. Regarding equipment.

(従来の技術) 第7図は、従来の数値制御情報作成装置のブロック図で
ある。同図においては、操作者によりキーボードから入
力された入力信号SAはデータ入力部1に入力される。
(Prior Art) FIG. 7 is a block diagram of a conventional numerical control information creation device. In the figure, an input signal SA input by an operator from a keyboard is input to a data input section 1.

データ入力部1は、入力した入力信号SAを加工後形状
5B、加工前形状SC及び加工工程データSDIに分離
し、おのおの対応する加工後形状格納部3.加工前形状
格納部2及び加工工程データ格納部5に格納する。加工
工程生成部4は、加工後形状格納部3及び加工前形状格
納部2におのおの格納された加工後形状SB及び加工前
形状SCを入力し、加工工程データSD5を生成して加
工工程データ格納部5に格納する。数値制御情報作成部
6は、加工工程データ格納部5に格納された加工工程デ
ータSD6を入力して数値制御情報SEを作成する。数
値制御情報出力部7は、数値制御情報作成部6が作成し
た数値制御情報SEを入力し、通信回線、磁気ディスク
及び紙テープ等を通して外部に8カする。
The data input section 1 separates the input signal SA into a post-processing shape 5B, a pre-processing shape SC, and processing process data SDI, and separates the input signal SA into a post-processing shape storage section 3. It is stored in the pre-processing shape storage section 2 and the processing process data storage section 5. The machining process generation unit 4 inputs the post-machining shape SB and the pre-machining shape SC stored in the post-machining shape storage unit 3 and the pre-machining shape storage unit 2, respectively, generates machining process data SD5, and stores the machining process data. It is stored in section 5. The numerical control information creation unit 6 receives the machining process data SD6 stored in the machining process data storage unit 5 and creates numerical control information SE. The numerical control information output section 7 inputs the numerical control information SE created by the numerical control information creation section 6, and outputs it to the outside through a communication line, magnetic disk, paper tape, etc.

ところで、加工後形状及び加工前形状を入力し、これら
に基づいて加工工程を自動生成する場合、数値制御情報
作成装置の操作者が直接入力した加工工程や、数値制御
情報作成装置により自動生成され操作者により変更を受
けた加工工程が既に数値制御情報作成装置内に格納され
ていることがある。この場合、加工領域の一部はこの既
存の加工工程により削り取られることが確定しているた
め、加工工程を自動生成するとき、削り取られることが
確定している領域を加工するような加工工程が生成され
ないようにする必要がある。そのような場合の例を以下
に示す。
By the way, when the shape after machining and the shape before machining are input and a machining process is automatically generated based on these, the machining process that is directly input by the operator of the numerical control information generation device or automatically generated by the numerical control information generation device. A machining process that has been changed by an operator may already be stored in the numerical control information creation device. In this case, it is certain that part of the machining area will be removed by this existing machining process, so when automatically generating the machining process, a machining process that processes the area that is certain to be removed is It needs to be prevented from being generated. An example of such a case is shown below.

第3図は、数値制御旋盤用の数値制御情報を作成する数
値制御情報作成装置に入力される加工後形状及び加工前
形状の例を示す図である。第4図は、削り取りを一部に
行なう既存の加工工程を示す図である。第3図及び第4
図において、加工前形状は破線及び点PA、PR,PC
,PDを結ぶ実線で示されており、加工後形状は実線で
示されている。第8図は、入力された加工後形状及び加
工前形状に基づいて従来の数値制御情報作成装置の加工
工程生成部4が生成した加工工程を示す図である。加工
後形状は実線で示され、加工前形状は破線及び点PA、
PB、PC:、PDを結ぶ実線で示される。第4図及び
第8図から理解されるように、そのままでは従来の数値
制御情報作成装置の加工工程生成部4は既存の加工工程
により削り取ら羞た領域まで加工を行なう加工工程を生
成している。このため操作者は、第8図に示される加工
工程の内、外径−の加工工程を削除すると共に外径−の
加工工程を変更して数値制御情報を作成する方法か、又
は第4図に示される加工工程によフて削り取られる領域
を取り除くように予め変更した加工前形状を再び自ら入
力し、それに基づいて加工工程生成部4が加工工程を生
成することにより数値制御情報を作成するという方法の
いずれかを選択していた。
FIG. 3 is a diagram showing an example of a shape after machining and a shape before machining that are input to a numerical control information creation device that creates numerical control information for a numerically controlled lathe. FIG. 4 is a diagram illustrating an existing machining process in which a portion is scraped off. Figures 3 and 4
In the figure, the shape before processing is indicated by the broken line and points PA, PR, and PC.
, PD are shown by a solid line, and the shape after processing is shown by a solid line. FIG. 8 is a diagram showing a machining process generated by the machining process generating section 4 of the conventional numerical control information generation device based on the inputted post-machining shape and pre-machining shape. The shape after processing is shown by a solid line, and the shape before processing is shown by a broken line and points PA,
PB, PC:, is indicated by a solid line connecting PD. As can be understood from FIGS. 4 and 8, as it is, the machining process generation unit 4 of the conventional numerical control information generation device generates a machining process for machining up to the area that has been removed by the existing machining process. . For this reason, the operator can create numerical control information by deleting the machining process for the outside diameter and changing the machining process for the outside diameter among the machining processes shown in FIG. The user inputs again the pre-machining shape which has been changed in advance to remove the area to be removed by the machining process shown in , and the machining process generation unit 4 generates the machining process based on it, thereby creating numerical control information. I had chosen one of these methods.

(発明が解決しようとする課題) 上述したように、既存の加工工程がある場合、その工程
により削り取られることが確定している領域を加工する
ような加工工程が生成されないようにする必要かあった
が、従来の数値制御情報作成装置ではそのような生成を
自動的には行なえず操作者は加工工程の自動生成を一旦
行なわせた後、自動生成された加工工程に対して既存の
加工工程により削り取られることが確定した領域を加工
しないように変更を行なうか、もしくは既存の加工工程
により削り取られることが確定した領域を取り除いた加
工前形状を改めて入力した後、再び加工工程の自動生成
を行なわせていた。しかしながら、これらの操作はたい
へん面倒であり、操作者に多大な負担を強いるという問
題点となっていた。
(Problem to be Solved by the Invention) As mentioned above, if there is an existing machining process, is it necessary to prevent the creation of a machining process that processes an area that is certain to be removed by that process? However, with conventional numerical control information generation devices, such generation cannot be performed automatically, and the operator has to automatically generate a machining process, and then change the existing machining process to the automatically generated machining process. Either make a change so that the area that is confirmed to be removed by the process is not processed, or re-enter the pre-processing shape that removes the area that is confirmed to be removed by the existing process, and then restart the automatic generation of the process. I was letting it happen. However, these operations are very troublesome and impose a heavy burden on the operator.

本発明は上述のような事情から成されたものであり、本
発明の目的は、数値制御情報作成装置内に既存の加工工
程がある゛場合、その工程により削り取られることが確
定している領域を加工することのないように加工工程を
自動生成することにより、操作者の手間や負担を軽減す
ることができる数値制御情報作成装置を提供することに
ある。
The present invention was made in view of the above-mentioned circumstances, and an object of the present invention is to remove the area that is determined to be removed by the existing machining process in the numerical control information creation device. It is an object of the present invention to provide a numerical control information creation device that can reduce the labor and burden on an operator by automatically generating a machining process so as to avoid machining.

(課題を解決するための手段) 本発明は、加工後形状及び加工前形状を入力し、これら
加工後形状及び加工前形状に基づいて加工工程を自動生
成する数値制御情報作成装置に関するものであり、本発
明の上記目的は、一部の加工領域を加工する目的で予め
格納されている加工工程データに基づく加工によって削
り取られる領域を、加工工程を自動生成する前に予め加
工工程から取り除くように加工前形状を変更する加工前
形状変更部を備えることにより達成される。
(Means for Solving the Problems) The present invention relates to a numerical control information creation device that inputs a shape after machining and a shape before machining and automatically generates a machining process based on the shape after machining and the shape before machining. The above object of the present invention is to remove from the machining process an area that is to be removed by machining based on machining process data stored in advance for the purpose of machining a part of the machining area, from the machining process before automatically generating the machining process. This is achieved by providing a pre-processing shape changing section that changes the pre-processing shape.

(作用) 本発明にあっては、加工前形状変更部が予め装置内に格
納されている既存の加工工程により削り取られることが
確定している領域を取り除くように入力された加工前形
状を変更するので、モのような領域を再び加工するよう
な加工工程を生成してしまうようなことはない。
(Operation) In the present invention, the pre-processing shape changing unit changes the input pre-processing shape to remove the area that is determined to be removed by the existing processing process stored in the device in advance. Therefore, there is no possibility of creating a machining process that involves machining the area again.

(実施例) 第1図は、本発明における数値制御作成装置の一実施例
のブロック図である。第1図に示した実施例において、
加工前形状変更部8以外は従来の数値制御情報作成装置
における各部と同一であるので説明を省略する。加工前
形状変更部8は、加工前形状格納部2から加工前形状S
’Fを入力すると共に加工工程データ格納部5から加工
工程データSD3を入力し、加工工程データ格納部5に
格納された既存の加工工程により削り取られることか確
定している領域を取り除くよう加工前形状SFを変更す
る。変更が終了したら再び加工前形状SFとして加工前
形状格納部2に格納する。
(Embodiment) FIG. 1 is a block diagram of an embodiment of a numerical control creation device according to the present invention. In the embodiment shown in FIG.
Since the parts other than the pre-processing shape changing part 8 are the same as those in the conventional numerical control information creation apparatus, the explanation will be omitted. The pre-processing shape changing section 8 changes the pre-processing shape S from the pre-processing shape storage section 2.
'F and input the machining process data SD3 from the machining process data storage unit 5, and before machining remove the area that is determined to be removed by the existing machining process stored in the machining process data storage unit 5. Change shape SF. When the change is completed, the shape is stored in the pre-processing shape storage section 2 again as the pre-processing shape SF.

第2図は、本発明における加工前形状変更部8が加工前
形状SFを変更する際の手順を示すフローチャートであ
る。加工前形状変更部8は、先ず、変更前の加工前形状
の形状要素が残っているか否かの判定を行なう(ステッ
プS1)。その結果、形状要素が残フていないと判定さ
れた場合は処理を終了し、形状要素が残っていると判定
された場合は処理対象となる変更前の加工前形状の形状
要素を加工前形状格納部2から取り出す(ステップS2
)。次に、取り出した変更前の加工前形状の形状要素が
加工工程データの加工形状と交差するか否かの判定を行
なう(ステップS3)。その結果、取り出した変更前の
加工前形状の形状要素が加工工程データの加工形状と交
差しないと判定された場合は、変更前の加工前形状の形
状要素を変更後の加工前形状としくステップS4)、ス
テップS1に戻る。一方、取り出した変更前の加工前形
状の形状要素か加工工程データの加工形状と交差すると
判定された場合は、交差した変更前の加工前形状の形状
要素の始点から交点までを変更後の加工前形状とする(
ステップS5)。また、交差した加工工程データの加工
形状の形状要素の交点から終点までを変更後の加工前形
状とする(ステップS6)。加工工程データの加工形状
の形状要素を取り出す(ステップ57)。取り出した加
工工程データの加工形状の形状要素は変更前の加工前形
状と交差するか否か判定する(ステップS8)。取り出
した加工工程データの加工形状の形状要素は変更前の加
工前形状と交差しないと判定された場合、取り圧した加
工工程データの加工形状の形状要素を変更後の加工前形
状としくステップS9)、ステップS7に戻る。一方、
取り出した加工工程データの加工形状の形状要素は変更
前の加工前形状と交差すると判定された場合、交差した
加工工程データの加工前形状の形状要素の始点から交点
までを変更後の加工前形状とする(ステップ510)。
FIG. 2 is a flowchart showing the procedure when the pre-processing shape changing section 8 changes the pre-processing shape SF in the present invention. The pre-processing shape changing unit 8 first determines whether any shape elements of the pre-processing shape before the change remain (step S1). As a result, if it is determined that there are no shape elements remaining, the process ends, and if it is determined that there are shape elements remaining, the shape elements of the pre-processing shape to be processed are changed to the pre-processing shape. Take out from storage unit 2 (step S2
). Next, it is determined whether or not the extracted shape element of the pre-processing shape before change intersects with the processing shape of the processing process data (step S3). As a result, if it is determined that the extracted shape elements of the pre-machining shape before the change do not intersect with the machining shape of the machining process data, the shape elements of the pre-machining shape before the change are set as the pre-machining shape after the change. S4), return to step S1. On the other hand, if it is determined that the retrieved shape element of the pre-processing shape before change intersects with the processing shape of the machining process data, the intersecting shape element of the pre-processing shape before change is processed from the starting point to the intersection point after the change. Make the front shape (
Step S5). Furthermore, the area from the intersection of the shape elements of the machining shape of the intersecting machining process data to the end point is set as the pre-machining shape after the change (step S6). The shape elements of the machining shape of the machining process data are extracted (step 57). It is determined whether the shape element of the machining shape of the retrieved machining process data intersects with the pre-machining shape before change (step S8). If it is determined that the shape element of the machining shape of the retrieved machining process data does not intersect with the pre-machining shape before the change, the shape element of the machining shape of the machining process data that has been taken down is set as the pre-machining shape after the change, step S9. ), the process returns to step S7. on the other hand,
If it is determined that the shape element of the machining shape of the retrieved machining process data intersects with the pre-machining shape before change, the shape element of the pre-machining shape of the intersecting machining process data from the starting point to the intersection point is changed to the pre-machining shape after the change. (Step 510).

また、交差した変更前の加工前形状の形状要素の交点か
ら終点を変更後の加工前形状としくステップ5xi)、
ステップS1に戻る。
In addition, the end point from the intersection of the intersecting shape elements of the pre-processing shape before change is set as the pre-processing shape after change step 5xi),
Return to step S1.

第3図は、数値制御旋盤用の数値制御情報を作成する数
値制御情報作成装置に入力される加工後形状及び加工前
形状の例を示す図である。第4図は、既存の加工工程の
例を示す図である。第3図及び第4図において、加工前
形状は破線及び点PA、PB、P(:、PDを結ぶ実線
で示されており、加工後形状は実線で示されている。第
5図は、加工前形状変更部8の既存の加工工程によって
削り取られる領域を取り除く処理により得られた変更後
の加工前形状及び加工後形状を示す図である。第6図は
、第5図に示された加工前形状及び加工後形状に基づい
て生成した加工工程を示す図である。第5図及び第6図
において、加工前形状は破線及び点PE、PF、PG、
PA、PB、PC,PD、PH,PI、PJを結ぶ実線
で示されており、加工後形状は実線で示されている。本
発明の数値制御情報作成装置では、加工前形状変更部8
の処理により第3図に示す加工前形状は第4図に示す既
存の加工工程により削り取られる領域を取り除くよう変
更され、第5図に示すような加工前形状になる。この新
たに生成された加工前形状に基づいて第6図のように加
工工程の生成が行なわれる。
FIG. 3 is a diagram showing an example of a shape after machining and a shape before machining that are input to a numerical control information creation device that creates numerical control information for a numerically controlled lathe. FIG. 4 is a diagram showing an example of an existing processing process. In FIGS. 3 and 4, the shape before processing is shown by a broken line and a solid line connecting points PA, PB, P(:, PD, and the shape after processing is shown by a solid line. FIG. 6 is a diagram showing a pre-processing shape and a post-processing shape obtained by a process of removing a region scraped off by the existing processing process of the pre-processing shape changing section 8. FIG. It is a diagram showing a machining process generated based on the shape before machining and the shape after machining. In FIGS. 5 and 6, the shape before machining is indicated by broken lines and points PE, PF, PG,
It is shown by a solid line connecting PA, PB, PC, PD, PH, PI, and PJ, and the shape after processing is shown by a solid line. In the numerical control information creation device of the present invention, the pre-processing shape changing section 8
Through the processing, the pre-processing shape shown in FIG. 3 is changed to remove the area that is removed by the existing processing process shown in FIG. 4, and becomes the pre-processing shape as shown in FIG. 5. Based on this newly generated pre-processing shape, processing steps are generated as shown in FIG.

(発明の効果) 本発明の数値制御情報作成装置においては、加工前形状
変更部を設けることにより、予め装置内に格納されてい
る既存の加工工程により削り取られることが確定してい
る領域を取り除くように入力された加工前形状を変更す
るようにしている。
(Effects of the Invention) In the numerical control information creation device of the present invention, by providing a pre-processing shape changing section, an area that is determined to be removed by an existing processing process stored in the device in advance is removed. The pre-processing shape input as follows is changed.

これにより、加工工程生成部は既存の加工工程により削
り取られる領域を加工しない加工工程を自動的に生成す
ることができる。したがって、従来加工工程の自動生成
を一旦行なわせた後操作者が行なっていた、自動生成さ
れた加工工程を既存の加工工程により削り取られること
が確定した領域を加工しないように変更するという操作
や、もしくは既存の加工工程により削り取られることが
確定した領域を取り除いた加工前形状を改めて入力した
後、再び加工工程の自動生成を行なわせるという操作が
不要になり、操作者の負担を軽減することができる。
Thereby, the machining process generation unit can automatically generate a machining process that does not process the area that is removed by the existing machining process. Therefore, in the past, once a machining process has been automatically generated, an operator would have to change the automatically generated machining process so that it does not process areas that are determined to be removed by the existing machining process. Or, it is no longer necessary to re-input the pre-machining shape from which areas that are confirmed to be removed by the existing machining process and then automatically generate the machining process again, reducing the burden on the operator. I can do it.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明における数値制御情報作成装置の一実施
例のブロック図、第2図は本発明における加工前形状変
更部が加工前形状を変更する際の手順を示すフローチャ
ート、第3図は数値制御旋盤用の数値制御情報を作成す
る数値制御情報作成装置に入力される加工後形状及び加
工前形状の例を示す図、第4図は既存の加工工程の例を
示す図、第5図は加工形状変更部の既存の加工工程によ
フて削り取られる領域を取り除く処理により得られた変
更後の加工前形状及び加工後形状を示す図、第6図は第
5図に示された加工前形状及び加工後形状に基づいて生
成した加工工程を示す図、第7図は従来の数値制御情報
作成装置のブロック図、第8図は従来の数値制御情報作
成装置の加工工程生成部が生成した加工工程を示す図で
ある。 1・・・データ入力部、2・・・加工前形状格納部、3
・・・加工後形状格納部、4・・・加工工程生成部、5
・・・加工工程データ格納部、6・・・数値制御情報作
成部、7・・・数値制御情報出力部、8・・・加工前形
状変更部。 出願人代理人   安 形 雄 三 藝4 図 躬6図
FIG. 1 is a block diagram of an embodiment of the numerical control information creation device in the present invention, FIG. 2 is a flowchart showing the procedure when the pre-processing shape changing section changes the pre-processing shape in the present invention, and FIG. Figure 4 shows an example of the shape after machining and shape before machining that are input to the numerical control information creation device that creates numerical control information for a numerically controlled lathe; Figure 4 is a diagram showing an example of an existing machining process; Figure 5 6 is a diagram showing the shape before and after the change obtained by removing the area that would be scraped off by the existing machining process of the machining shape change part, and FIG. 6 is the machining shown in FIG. 5. A diagram showing the machining process generated based on the previous shape and the post-machining shape, FIG. 7 is a block diagram of a conventional numerical control information creation device, and FIG. 8 is a diagram showing the machining process generation section of the conventional numerical control information creation device. It is a figure which shows the processing process which carried out. 1...Data input section, 2...Pre-processing shape storage section, 3
. . . Post-processing shape storage section, 4 . . . Processing process generation section, 5
... Machining process data storage unit, 6... Numerical control information creation unit, 7... Numerical control information output unit, 8... Pre-processing shape changing unit. Applicant's agent Yu Yasugata Migei 4 Illustration 6

Claims (1)

【特許請求の範囲】[Claims] 1、入力された加工後形状及び加工前形状に基づいて加
工工程を自動生成する数値制御情報作成装置において、
一部の加工領域を加工する目的で予め格納されている加
工工程データに基づく加工によって削り取られる領域を
、前記加工工程を自動生成する前に予め前記加工工程か
ら取り除くように前記加工前形状を変更する加工前形状
変更部を備えるようにしたことを特徴とする数値制御情
報作成装置。
1. In a numerical control information creation device that automatically generates a machining process based on the input shape after machining and shape before machining,
The pre-machining shape is changed so that the area to be removed by machining based on pre-stored machining process data for the purpose of machining a part of the machining area is removed from the machining process before automatically generating the machining process. A numerical control information creation device characterized by comprising a pre-processing shape changing section.
JP2290362A 1990-10-26 1990-10-26 Numerical control information creation device Expired - Lifetime JP2752783B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2290362A JP2752783B2 (en) 1990-10-26 1990-10-26 Numerical control information creation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2290362A JP2752783B2 (en) 1990-10-26 1990-10-26 Numerical control information creation device

Publications (2)

Publication Number Publication Date
JPH04163601A true JPH04163601A (en) 1992-06-09
JP2752783B2 JP2752783B2 (en) 1998-05-18

Family

ID=17755052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2290362A Expired - Lifetime JP2752783B2 (en) 1990-10-26 1990-10-26 Numerical control information creation device

Country Status (1)

Country Link
JP (1) JP2752783B2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267607A (en) * 1985-09-20 1987-03-27 Mitsubishi Heavy Ind Ltd Automatic programming device
JPS62140740A (en) * 1985-12-13 1987-06-24 Hitachi Seiki Co Ltd Division processing device for machining region in automatic machine
JPH03282908A (en) * 1990-03-30 1991-12-13 Nec Corp Device for forming tool path
JPH03282907A (en) * 1990-03-30 1991-12-13 Nec Corp Device for forming tool path

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267607A (en) * 1985-09-20 1987-03-27 Mitsubishi Heavy Ind Ltd Automatic programming device
JPS62140740A (en) * 1985-12-13 1987-06-24 Hitachi Seiki Co Ltd Division processing device for machining region in automatic machine
JPH03282908A (en) * 1990-03-30 1991-12-13 Nec Corp Device for forming tool path
JPH03282907A (en) * 1990-03-30 1991-12-13 Nec Corp Device for forming tool path

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JP2752783B2 (en) 1998-05-18

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