JPS60118452A - Method for forming origin of machining in numerically controlled machine - Google Patents
Method for forming origin of machining in numerically controlled machineInfo
- Publication number
- JPS60118452A JPS60118452A JP22449383A JP22449383A JPS60118452A JP S60118452 A JPS60118452 A JP S60118452A JP 22449383 A JP22449383 A JP 22449383A JP 22449383 A JP22449383 A JP 22449383A JP S60118452 A JPS60118452 A JP S60118452A
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- Prior art keywords
- work
- workpiece
- origin
- machining
- stored
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Classifications
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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
- G05B19/401—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 control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
- G05B19/4015—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 control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes going to a reference at the beginning of machine cycle, e.g. for calibration
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- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Automatic Control Of Machine Tools (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は数値制御（以下、ＮＣという）装置における加
工原点の形成方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for forming a processing origin in a numerical control (hereinafter referred to as NC) device.
従来、数値制御により工作機械を作動させ加工物に機械
加工などの加工をさせる場合においては、機械側に予め
定められた原点（以下、加工原点という）を基準に加工
位置をプログラムし、機械の動作はそのプログラムに従
い前記加工原点を基準にした動作をする。Conventionally, when operating a machine tool using numerical control to perform machining or other processing on a workpiece, the machining position is programmed based on a predetermined origin (hereinafter referred to as the machining origin) on the machine side. The operation is based on the machining origin according to the program.
しかし、加工物の加工形状や穴明は位置の寸法などを設
計した図面は、通常当該加工物のセンタ（以下、ワーク
センタという）を基準として表わされているものが多い
ので、当該加工物を機械にセットするにはそのワークセ
ンタを加工原点と一致させて位置決めし固定しなければ
ならないため、その段取りに手間と時間と加工用治工具
を要するという難点がある。通常、前記段取りには２０
〜３０分を要し、ＮＧ装置による機械加工の大きなネッ
クとなっているのが現状である。However, drawings that design the machining shape of the workpiece, hole drilling positions, dimensions, etc. are usually expressed based on the center of the workpiece (hereinafter referred to as the work center), so In order to set the workpiece in the machine, the work center must be positioned and fixed in alignment with the machining origin, which has the drawback of requiring time and effort, as well as machining jigs and tools. Usually, the above setup involves 20
At present, it takes ~30 minutes, which is a major bottleneck in machining using NG equipment.
また、ワークセンタを基準に表記されている加工位置は
、ＮＧ装置の加ニブログラムに形成するとき、設計加工
位置を加工原点を基準にしたものに書き変えなければな
らない煩しさがある。Moreover, when forming a machining position based on the work center as a reference, when forming a niobogram of an NG device, the designed machining position must be rewritten to one based on the machining origin, which is troublesome.
本発明は上記のようなＮＣ制御による機械加工の現状に
鑑み、ワークセンタを基準にして加工位置が設計された
加工物をＮＣ制御される機械の任意の位置にセットした
状態のままでその加工物のワークセンタを検出し、この
ワークセンタを加工原点としてＮＣ装置に供給してやり
、ＮＯ装置番よ前記ワークセンタを加工原点として加工
位置などのプログラムを受入れ、機械を当該プログラム
によって作動させることができるようにするためのＮＣ
装置における加工原点の形成方法を提供することを目的
としてなされたもので、その方法の構成は、数値制御装
置により移動が制御される工作機械における刃物又はテ
ーブルなどの移動体の移動軸に関する位置検出器のパル
ス出力を分岐して取出すようにすると共に、その機械を
作動させた際前記検出器に生じるパルス出力を、加工物
を機械に実際にセットし前記刃物を該加工物の外形に沿
って相対移動させつつ当該加工物の輪郭上の任意の点を
測定原点として該輪郭上の複数点の位置を適宜センサを
介して検出すると共に、その位置信号を処理して前記加
工物のワークセンタをめ、該ワークセンタを前記数値制
御装置に加工原点として供給することを特徴とするもの
である。In view of the current state of NC-controlled machining as described above, the present invention is designed to machine a workpiece whose machining position is designed based on a work center while it is set at an arbitrary position on an NC-controlled machine. It is possible to detect the work center of the object, supply this work center as the machining origin to the NC device, accept a program such as the machining position, etc. using the work center as the machining origin according to the NO device number, and operate the machine according to the program. NC to make it so
This method was developed for the purpose of providing a method for forming a machining origin in a device, and the method consists of detecting the position of a moving object such as a cutting tool or table in a machine tool whose movement is controlled by a numerical control device with respect to the axis of movement. The pulse output of the machine is branched and extracted, and the pulse output generated in the detector when the machine is operated is used to actually set the workpiece in the machine and move the blade along the outer shape of the workpiece. While moving the workpiece relatively, an arbitrary point on the contour of the workpiece is used as a measurement origin, and the positions of multiple points on the contour are detected as appropriate via sensors, and the position signals are processed to determine the work center of the workpiece. The present invention is characterized in that the work center is supplied to the numerical control device as a machining origin.
次に、本発明方法の実施例を図に拠り説明する。Next, an example of the method of the present invention will be described with reference to the drawings.
第１図は本発明方法を実施するためのワークセンタ割出
しユニットとＮＣ装置及びこれと関連する機械の一部と
の接続系統図で、ｌはＮＣ装置、２Ｘ、 ２Ｙは、該Ｎ
Ｃ装置に制御される機械Ｍの移動体（例えば、刃物やテ
ーブル）のＸ軸方向、Ｙ軸方向の移動駆動源となるモー
タ、２ＸＰ、 ２ＶＰは前記モータ２Ｘ、 ２’／の作
動時、上記移動体の移動量に見合ったパルス信号を発生
するパルス発生器で、既存のＮＣ装置１におけるフィー
ドバック信号発生器として機能しているものである。３
Ｘ、 ３Ｙは上記フィードバック系のコネクタで、本発
明のワークセンタ割出しユニットＣＵは、上記コネクタ
３Ｘ。FIG. 1 is a connection system diagram of a work center indexing unit, an NC device, and a part of a machine related thereto for carrying out the method of the present invention, where l is the NC device, 2X, 2Y are the N
The motors 2XP and 2VP serve as a source of movement in the X-axis direction and Y-axis direction of the movable body (for example, a cutter or a table) of the machine M controlled by the C device, and when the motors 2X and 2'/ are operated, the above-mentioned This is a pulse generator that generates a pulse signal commensurate with the amount of movement of a moving object, and functions as a feedback signal generator in the existing NC device 1. 3
X and 3Y are connectors for the feedback system, and the work center indexing unit CU of the present invention is the connector 3X.
３■の部分を分岐して上記パルス発生器２ＸＰ、 ２Ｙ
Ｐからのパルス信号の供給を受けるようにされている。The part 3■ is branched to the above pulse generators 2XP and 2Y.
A pulse signal is supplied from P.
４は上記ＮＣ装置Ｊにおけるプログラムの続出編集装置
で、通常、該続出編集装置４の出力端は、３−
インターフェイス部４ａを介してＮＣ装置１に接続され
ているが、ここでは上記割出しユニットＣＵが上記続出
編集装置４とインターフェイス部４ａの間に挿入しであ
る。Reference numeral 4 denotes a program editing device in the NC device J. Normally, the output end of the editing device 4 is connected to the NC device 1 via an interface section 4a, but here, A CU is inserted between the continuous editing device 4 and the interface section 4a.
而して、本発明のワークセンタ割出しユニットＣＵの一
例は、第２図に示すように形成する。An example of the work center indexing unit CU of the present invention is formed as shown in FIG.
第２図に於て５ｘは、ＮＣ装置１に含まれるパルス発生
器２ＸＰに接続されたＸ軸カウンタ、５■は同じくパル
ス発生器２ＶＰに接続されたＹ軸カウンタで、上記両カ
ウンタ５Ｘ、 ５Ｖはモータ２Ｘ、 ２Ｙが駆動され、
刃物やテーブル等の移動体が移動するとき前記パルス発
生器２ＸＰ、 ２’／Ｐに生じるパルス信号を計数する
。尚、両カウンタ５Ｘ、 ５Ｙはアップ、ダウンカウン
タで、コネクタ３Ｘ、 ３Ｙの部分に於て、ＮＣ装置１
のフィードバック系に分岐して接続しである。In FIG. 2, 5x is an X-axis counter connected to the pulse generator 2XP included in the NC device 1, and 5■ is a Y-axis counter also connected to the pulse generator 2VP. motors 2X and 2Y are driven,
When a movable object such as a knife or a table moves, pulse signals generated in the pulse generators 2XP and 2'/P are counted. Note that both counters 5X and 5Y are up and down counters, and the NC device 1 is connected to the connectors 3X and 3Y.
It is branched and connected to the feedback system.
６は上記両カウンタ５Ｘ、 ５’／から供給されるパル
ス信号を演算処理する演算部、７は演算部６に供給さ１
れる両カウンタ５Ｘ、 ５’／からのパルス信号を記憶
させるためのトリガ信号を発生させるタッチセ４−
ンサで１例えば、刃物に代えて、又は、刃物の傍側にお
いて機械Ｍの主軸に取附け、その機械にセットされた加
工物の外郭に接したとき前記トリガ信号を出力するもの
である。尚、センサとしては非接触タイプの適宜センサ
を用いてもよい。6 is an arithmetic unit that processes the pulse signals supplied from both counters 5X and 5'/; 7 is an arithmetic unit 1 that is supplied to the arithmetic unit 6;
A touch sensor 4 that generates a trigger signal for storing pulse signals from both counters 5X, 5'/ The trigger signal is output when it comes into contact with the outer shell of a workpiece set in the machine. Note that as the sensor, an appropriate non-contact type sensor may be used.
而して、いま、タッチセンサ７を取附けた主軸が第３図
に示す現在位置ＬＰにあり、平面矩形の加工物Ｗが機械
における加工テーブル上の任意の場所にセットされた場
合において、その加工物Ｗのワークセンタを検出する例
について説明すれば次の通りである。Now, when the main shaft with the touch sensor 7 attached is at the current position LP shown in FIG. An example of detecting the work center of the workpiece W will be described as follows.
主軸の現在位置Ｌ Ｐは、そのままタッチセンサ７の現
在位置を示すので、モータ２Ｘ、及び／又は２■を駆動
して該主軸を加工物Ｗの第１辺す１に接近するように任
意の経路Ｒ１を入れて移動させ、タッチセンサ７が当該
−辺に接触したとき前記モータ２Ｘ及び／又は２■を停
める。このとき演算部６には主軸が現在位置ＬＰから上
記接触位置Ｐ１に到るまでの主軸の移動量がタッチセン
サ７のトリガ信号を受けることによりＸ、Ｙ軸について
記憶されると共に、この点Ｐ１をＸ、Ｙ座標上の仮原点
（０，０）として記憶する。ここで再びモータ２ｘ及び
／又は２■を駆動し、主軸を任意の経路Ｒ２を通して前
記加工物Ｗの第２辺Ｗ２上の点Ｐ２でタッチセンサ７を
接触させてから、前記モータを停止させると、主軸の移
動に伴いパルス発生器２ＸＰ、 ２ＹＰに生じるアップ
、ダウンのパルス列はそこで加減され前記センサ７の接
触点Ｐ２を上記仮原点からみた座標（ＸＩ、Ｙｌ）とし
て演算部６に記憶される。以下、同様にして、演算部６
に接触点Ｐ３、及び、同Ｐ４ｆ７）位＠ （Ｘ２．Ｙ２
）及び（Ｘ３．Ｙ３）を検出し記憶させると、演算部６
はこれら各点Ｐ１〜Ｐ４の記憶値に基いて加工物Ｗのワ
ークセンタ１ＩｌＯＰの位置を演算する。尚、第３図に
於て、Ｒ３，Ｒ４，Ｒ５は主軸、即ちタッチセンサ７の
移動経路を表わす。The current position LP of the main spindle directly indicates the current position of the touch sensor 7, so drive the motor 2X and/or 2■ to move the main spindle closer to the first side 1 of the workpiece W. The motor 2X and/or 22 is stopped when the touch sensor 7 contacts the negative side. At this time, the amount of movement of the main shaft from the current position LP to the contact position P1 is stored in the calculation unit 6 for the X and Y axes by receiving the trigger signal from the touch sensor 7, and the amount of movement of the main shaft from the current position LP to the contact position P1 is stored in the calculation unit 6. is stored as a temporary origin (0,0) on the X, Y coordinates. Here, the motors 2x and/or 2■ are driven again, the main axis is brought into contact with the touch sensor 7 at a point P2 on the second side W2 of the workpiece W through an arbitrary path R2, and then the motors are stopped. , the up and down pulse trains generated in the pulse generators 2XP and 2YP as the main shaft moves are adjusted and stored in the calculation unit 6 as the coordinates (XI, Yl) of the contact point P2 of the sensor 7 viewed from the temporary origin. . Hereinafter, in the same manner, the calculation unit 6
Contact point P3 and P4f7) @ (X2.Y2
) and (X3.Y3) and store them, the calculation unit 6
calculates the position of the work center 1IOP of the workpiece W based on the stored values of these points P1 to P4. In FIG. 3, R3, R4, and R5 represent the main axis, that is, the movement path of the touch sensor 7.
また、上記ワークセンタリＯＰの位置は、演算部６にお
いて主軸の上記現在位置Ｌ ＰからのＸ軸。Further, the position of the work center OP is the X-axis from the current position LP of the main axis in the calculation unit 6.
又はＹ軸方向での距離として演算され記憶される。Alternatively, it is calculated and stored as a distance in the Y-axis direction.
尚、現在位置ＬＰは機械原点であることもある。Note that the current position LP may be the machine origin.
加工物が平面円形の場合には、その外郭上の３点におい
て、上記操作をすれば、そのワークセンタ、及び、該セ
ンタと主軸の現在位置乃至は機械原点からの距離を検出
し記憶することができる。If the workpiece is circular in plan, performing the above operation at three points on its outline will detect and store the work center, the current position of the center and the spindle, or the distance from the machine origin. Can be done.
而して、上記演算部６の出力は、ワークセンタＷＯＰを
表わす数値が出力回路８を経て、ＮＣ装置１に供給され
ると共に、主軸の現在位置ＬＰがら上記センタ１ｌｌＯ
Ｐまでの距離が読出記憶部４のデータ編集部４３に供給
されるようにしである。尚、読出編集部４において４１
は紙テープ入力回路、４２はメモリである。The output of the arithmetic unit 6 is supplied to the NC device 1 via the output circuit 8 as a numerical value representing the work center WOP.
The distance to P is supplied to the data editing section 43 of the read storage section 4. In addition, in the reading editing section 4, 41
4 is a paper tape input circuit, and 42 is a memory.
この結果、上記加工物Ｗに対する加ニブログラムは上記
ワークセンタｖＯＰを加工原点として作成されたものを
使用し、加工物Ｗを機械原点又は主軸の現在位置ＬＰの
如何に拘らず任意の位置にセットして上記のワークセン
タ割出しユニットＣＵを操作すれば、セットされた加工
物のワークセンタ四Ｐが検出されこれが加工原点として
ＮＣ装置１に供給されると共に、主軸の現在位置から前
記加工原点までの当該主軸の移動指令がデータ編集部４
３に供給されるから、従来のように加工物のセーフ一
ンタを治工具を用いて機械原点又は刃物の現在位置に合
わせて加工原点にセットするといった段取り作業及び前
記治工具が不要になる。As a result, the machine program for the workpiece W is created using the work center vOP as the machining origin, and the workpiece W can be set at any position regardless of the machine origin or the current position LP of the spindle. When the above-mentioned work center indexing unit CU is operated, the work center 4P of the set workpiece is detected, and this is supplied to the NC device 1 as the machining origin, and the distance from the current position of the spindle to the machining origin is detected. The movement command for the main axis is sent to the data editing section 4.
3, there is no need for the conventional setup work of setting the workpiece's safety interface at the machining origin using a jig or tool to match the machine origin or the current position of the cutter, and the jig and tool.
上述のように、本発明方法はＮＣ装置に付属している移
動体の位置検出機能を利用し、刃物を加工物に沿って相
対移動させる間において当該加工物輪郭上の３点又は４
点に関する位置データからその加工物のセンタと該セン
タと刃物の相対移動量を検出して、これらをＮＣ装置に
加ニブログラムの一部として供給するようにしたから、
加工前、加工物に加工基準面を形成したり、加工用治工
具を用いたり、或は、オペレータによる加工物の芯出し
作業などの段取りが一切不要になるばかりか、加ニブロ
グラムも加工物のセンタを基準として形成することがで
きるなど、従来のＮＣ加工における不都合な点を解消で
きて便利である。As described above, the method of the present invention utilizes the position detection function of the movable body attached to the NC device, and detects three or four points on the contour of the workpiece while relatively moving the cutter along the workpiece.
The center of the workpiece and the amount of relative movement between the center and the cutter are detected from the position data regarding the points, and these are supplied to the NC device as part of the cutting program.
Not only does it eliminate the need for preparations such as forming a machining reference plane on the workpiece, using machining jigs, or centering the workpiece by the operator, but the Kanni program also It is convenient because it can be formed using the center as a reference, and the disadvantages of conventional NC processing can be solved.
また、本発明方法を実施するセンタ割出しユニットは、
実施例からも明らかなように、ＮＣ機械と組合せれば加
工物の寸法を測定する測長装置としても利用することが
できる。Furthermore, the center indexing unit that implements the method of the present invention is
As is clear from the examples, when combined with an NC machine, it can also be used as a length measuring device for measuring the dimensions of a workpiece.
８−
尚、実施例ではＸ、Ｙ軸についての測定しか行なってい
ないがＺ軸方向に関するカウンタ等を付加すれば、三次
元測定も可能になる。8- Note that in the embodiment, measurements are only made on the X and Y axes, but if a counter or the like for the Z-axis direction is added, three-dimensional measurement is also possible.
第１図は本発明方法をＮＣ機械に適用した一例を示すブ
ロック図、第２図は本発明方法の実施に用いるセンタ割
出しユニットの一例を示すブロック図、第３図はワーク
センタ検出例を示す主軸の移動経路図である。
１−Ｎ Ｃ装置、２Ｘ、 ２’／−４−夕、２ＸＰ、
２ＹＰ・−パルス発生器、３Ｘ、 ３’／・・・コネク
タ、４・・・続出編集装置、５Ｘ、 ５Ｙ・・・カウン
タ、６・・・演算部、７・・・タッチセンサ、８・・・
出力回路、Ｗ・・・加工物、ｖ１〜ｗ４・・・加工物の
軸郭辺、Ｐ１〜Ｐ４・・・接触点代理人 小 泉 良
邦Fig. 1 is a block diagram showing an example of applying the method of the present invention to an NC machine, Fig. 2 is a block diagram showing an example of a center indexing unit used to implement the method of the present invention, and Fig. 3 is a block diagram showing an example of work center detection. FIG. 3 is a movement path diagram of the main shaft shown in FIG. 1-NC device, 2X, 2'/-4-even, 2XP,
2YP-Pulse generator, 3X, 3'/... Connector, 4... Successive editing device, 5X, 5Y... Counter, 6... Arithmetic unit, 7... Touch sensor, 8...・
Output circuit, W...Workpiece, v1-w4...Axis side of workpiece, P1-P4...Contact point agent Ryo Koizumi
country
Claims (1)
刃物又はテーブルなどの移動体の移動軸に関する位置検
出器のパルス出力を分岐して取出すようにすると共に、
その機械を作動させた際前記検出器に生じるパルス出力
を、加工物を機械に実際にセットし前記刃物を該加工物
の外形に沿って相対移動させつつ当該加工物の輪郭上の
任意の点を測定原点として該輪郭上の複数点の位置を適
宜センサを介して検出すると共に、その位置信号を処理
して前記加工物のワークセンタをめ、該ワークセンタを
前記数値制御装置に加工原点として供給することを特徴
とする数値制御装置における加工原点の形成方法。In a machine tool whose movement is controlled by a numerical control device, the pulse output of a position detector related to a moving axis of a moving body such as a cutter or a table is branched and extracted, and
When the machine is operated, the pulse output generated in the detector is detected at an arbitrary point on the contour of the workpiece while the workpiece is actually set in the machine and the cutter is moved relatively along the contour of the workpiece. The positions of a plurality of points on the contour are detected as a measurement origin through appropriate sensors, and the position signals are processed to determine the work center of the workpiece, and the work center is sent to the numerical control device as the machining origin. A method for forming a machining origin in a numerical control device, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22449383A JPS60118452A (en) | 1983-11-30 | 1983-11-30 | Method for forming origin of machining in numerically controlled machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22449383A JPS60118452A (en) | 1983-11-30 | 1983-11-30 | Method for forming origin of machining in numerically controlled machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60118452A true JPS60118452A (en) | 1985-06-25 |
| JPH0349699B2 JPH0349699B2 (en) | 1991-07-30 |
Family
ID=16814655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22449383A Granted JPS60118452A (en) | 1983-11-30 | 1983-11-30 | Method for forming origin of machining in numerically controlled machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60118452A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011079071A (en) * | 2009-10-05 | 2011-04-21 | Matsuura Machinery Corp | Forming method by nc machine tool |
| CN104035377A (en) * | 2014-05-23 | 2014-09-10 | 北京航天发射技术研究所 | Automatic attitude adjustment centering control system and control method of large barrel-shaped structural part |
| JP2017021723A (en) * | 2015-07-14 | 2017-01-26 | ファナック株式会社 | Machine tool control system and workpiece origin setting method capable of acquiring workpiece origin |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5766835A (en) * | 1980-10-08 | 1982-04-23 | Komatsu Ltd | Automatic centering method |
-
1983
- 1983-11-30 JP JP22449383A patent/JPS60118452A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5766835A (en) * | 1980-10-08 | 1982-04-23 | Komatsu Ltd | Automatic centering method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011079071A (en) * | 2009-10-05 | 2011-04-21 | Matsuura Machinery Corp | Forming method by nc machine tool |
| CN104035377A (en) * | 2014-05-23 | 2014-09-10 | 北京航天发射技术研究所 | Automatic attitude adjustment centering control system and control method of large barrel-shaped structural part |
| CN104035377B (en) * | 2014-05-23 | 2018-04-27 | 北京航天发射技术研究所 | Large tube-like structural member automatic-posture-adjustment centering control system and control method |
| JP2017021723A (en) * | 2015-07-14 | 2017-01-26 | ファナック株式会社 | Machine tool control system and workpiece origin setting method capable of acquiring workpiece origin |
| US10596677B2 (en) | 2015-07-14 | 2020-03-24 | Fanuc Corporation | Machine tool control system capable of obtaining workpiece origin and workpiece origin setting method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0349699B2 (en) | 1991-07-30 |
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