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- JP2017004300A5 JP2017004300A5 JP2015118339A JP2015118339A JP2017004300A5 JP 2017004300 A5 JP2017004300 A5 JP 2017004300A5 JP 2015118339 A JP2015118339 A JP 2015118339A JP 2015118339 A JP2015118339 A JP 2015118339A JP 2017004300 A5 JP2017004300 A5 JP 2017004300A5
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Description
これにより、NCプログラムに基づく工具の軸動作を、ワークの形状が考慮された曲線状の軌跡を描く一連の動作とすることができる。よって、NCプログラムにそのまま従った直線移動よりも工具の移動時間を短縮することができる。つまり、従来のNCプログラムを組み直さずにそのまま用いて、工具の移動時間を短縮し、生産性を向上させることができる。 This makes it possible to the axis motion of the tool based on NC program, a series of operations to draw the trajectory shape like were considered curve of the workpiece. Therefore, it is possible to shorten the moving time of the tool than the linear movement directly following the NC program. That is, used as it is without Kuminaosa the conventional NC program, to reduce the travel time of the tool, it is possible to improve the productivity.
上記曲線状の移動経路は、上記退避動作の起点を始点とし、上記寄り付き動作の終点を終点としてもよい。 The curved movement path may have a starting point of the retreating operation as a start point and an end point of the approaching operation as an end point.
上記曲線状の移動経路は、上記基準線データを基準として上記工具の移動経路の頂点が設定されてから、上記第1の制御点データ及び上記第4の制御点データに基づき設定されてもよい。The curved movement path may be set based on the first control point data and the fourth control point data after a vertex of the movement path of the tool is set with reference to the reference line data. .
上記目的を達成するため、本発明の一形態に係るプログラムは、工作機械にワークの加工を実行させるプログラムである。
上記プログラムは、ワークの形状に基づき設定された制御点データを含むNCプログラムから、
工具の上記ワークからの退避動作を工作機械本体に指令し、上記退避動作の起点となる情報を含む第1の制御点データと、
上記工具の送り動作を上記工作機械本体に指令し、上記退避動作の終点となる情報を含む第2の制御点データと、
上記工具の上記ワークへの寄り付き動作を上記工作機械本体に指令し、上記送り動作の終点となる情報を含む第3の制御点データと、
上記工具の上記寄り付き動作の終点となる情報を含む第4の制御点データと
を抽出する工程と、
上記第2の制御点データと上記第3の制御点データから、上記工具の曲線状の移動経路の基準となる基準線データを生成する工程と、
上記第1の制御点データと、上記第4の制御点データと、上記基準線データから、移動経路データを生成する工程と、
上記移動経路データから上記工具の送り速度データを算出し、上記移動経路データと上記送り速度データに従った上記工具の移動を上記工作機械本体に指令する工程と
を実行させる。
In order to achieve the above object, a program according to an aspect of the present invention is a program that causes a machine tool to perform workpiece machining.
The above program is from an NC program including control point data set based on the shape of a workpiece.
Commanding the machine tool body to retreat the tool from the workpiece, and first control point data including information serving as a starting point of the retraction operation;
Commanding the tool feed operation to the machine tool main body, second control point data including information to be an end point of the retreat operation;
The indu operation onto SL work of the tool is commanded to the machine tool body, a third control point data including information the end point of the feeding operation,
Extracting fourth control point data including information that is an end point of the approaching operation of the tool;
Generating reference line data serving as a reference for the curved movement path of the tool from the second control point data and the third control point data;
Generating movement route data from the first control point data, the fourth control point data, and the reference line data;
The feed rate data of the tool is calculated from the travel route data, and the step of instructing the machine tool body to move the tool according to the travel route data and the feed rate data is executed.
基準線122bは、必ずしも第2の制御点PRa2及び第3の制御点PRa3を経由するものではなく、任意に設定されることができる。図7及び8は、基準線122bのバリエーションを示す模式図である。基準線122bは、例えば、図7に示すように、第2の制御点PRa2又は第3の制御点PRa3のどちちか一つを経由するものであってもよく、どちらも経由しないものであってもよい。また、基準線122bは、図8に示すように、直線に限定されるものではなく、曲線、波線等とすることもできる。 The reference line 122b does not necessarily pass through the second control point PRa2 and the third control point PRa3, and can be arbitrarily set. 7 and 8 are schematic views showing a Variation of the reference line 122b. For example, as shown in FIG. 7, the reference line 122b may pass through either one of the second control point PRa2 or the third control point PRa3, and neither of them passes. Also good. Further, the reference line 122b is not limited to a straight line as shown in FIG. 8, and may be a curved line, a wavy line, or the like.
移動経路123bは、必ずしも第1の制御点PRa1を始点とし、第4の制御点PRa4を終点とするものではなく、任意に設定されることができる。図9は、移動経路123bのバリエーションを示す模式図である。移動経路123bは、例えば、図9(a)、図9(b)及び図9(c)に示すように、第1の制御点PRa1又は第4の制御点PRa4のどちらか一つを経由するものであってもよく、どちらも経由しないものであってもよい。また、移動経路123bは、図9(d)に示すように、部分的に直線を含むものとすることもできる。 The movement path 123b does not necessarily have the first control point PRa1 as the start point and the fourth control point PRa4 as the end point, and can be arbitrarily set. Figure 9 is a schematic diagram showing a Variation of the moving path 123b. The movement path 123b passes through one of the first control point PRa1 and the fourth control point PRa4 as shown in FIGS. 9A, 9B, and 9C, for example. It may be a thing, and neither may pass. Further, the movement path 123b may partially include a straight line as shown in FIG. 9 (d).
Claims (7)
ワークの形状に基づき設定された制御点データを含むNCプログラムから、
前記工具の前記ワークからの退避動作を前記工作機械本体に指令し、前記退避動作の起点となる情報を含む第1の制御点データと、
前記工具の送り動作を前記工作機械本体に指令し、前記退避動作の終点となる情報を含む第2の制御点データと、
前記工具の前記ワークへの寄り付き動作を前記工作機械本体に指令し、前記送り動作の終点となる情報を含む第3の制御点データと、
前記工具の前記寄り付き動作の終点となる情報を含む第4の制御点データと
を抽出する制御点データ抽出部と、
前記第2の制御点データと前記第3の制御点データから、前記工具の曲線状の移動経路の基準となる基準線データを生成する基準線データ生成部と、
前記第1の制御点データと、前記第4の制御点データと、前記基準線データから、移動経路データを生成する移動経路データ生成部と、
前記移動経路データから前記工具の送り速度データを算出し、前記移動経路データと前記送り速度データに従った前記工具の移動を前記工作機械本体に指令する送り動作指令部と
を具備する工作機械の数値制御装置。 A numerical control device for a machine tool for controlling the operation of a machine tool body having a tool,
From NC program including control point data set based on workpiece shape,
Commanding the machine tool main body to retract the tool from the workpiece, and first control point data including information serving as a starting point of the retracting operation;
Commanding the tool feed operation to the machine tool body, second control point data including information serving as an end point of the retreat operation;
Commanding the machine tool main body to move the tool toward the workpiece, and third control point data including information serving as an end point of the feed operation;
A control point data extraction unit that extracts fourth control point data including information that is an end point of the approaching operation of the tool;
A reference line data generation unit that generates reference line data serving as a reference for the curved movement path of the tool from the second control point data and the third control point data;
A travel route data generating unit that generates travel route data from the first control point data, the fourth control point data, and the reference line data;
A machine tool comprising: a feed operation command unit that calculates feed speed data of the tool from the travel path data, and commands the machine tool body to move the tool according to the travel path data and the feed speed data. Numerical control unit.
前記曲線状の移動経路は、前記退避動作の起点を始点とし、前記寄り付き動作の終点を終点とする
工作機械の数値制御装置。 A numerical control device for a machine tool according to claim 1,
The numerical control device for a machine tool, wherein the curved movement path has a starting point of the retreating operation as a starting point and an end point of the approaching operation as an ending point.
前記曲線状の移動経路は、前記基準線データを基準として前記工具の移動経路の頂点が設定されてから、前記第1の制御点データ及び前記第4の制御点データに基づき設定される
工作機械の数値制御装置。 A numerical control device for a machine tool according to claim 2,
The curved movement path is set based on the first control point data and the fourth control point data after the apex of the movement path of the tool is set with reference to the reference line data. Numerical control unit.
前記送り動作指令部は、前記移動経路データに含まれる距離情報に基づき前記工具の送り速度を算出する
工作機械の数値制御装置。 A numerical control device for a machine tool according to claim 3,
The feed operation command unit calculates a feed speed of the tool based on distance information included in the movement path data.
前記工作機械本体の動作を制御する工作機械の数値制御装置であって、ワークの形状に基づき設定された制御点データを含むNCプログラムから、前記工具の前記ワークからの退避動作を前記工作機械本体に指令し、前記退避動作の起点となる情報を含む第1の制御点データと、前記工具の送り動作を前記工作機械本体に指令し、前記退避動作の終点となる情報を含む第2の制御点データと、前記工具の前記ワークへの寄り付き動作を前記工作機械本体に指令し、前記送り動作の終点となる情報を含む第3の制御点データと、前記工具の前記寄り付き動作の終点となる情報を含む第4の制御点データとを抽出する制御点データ抽出部と、前記第2の制御点データと前記第3の制御点データから、前記工具の曲線状の移動経路の基準となる基準線データを生成する基準線データ生成部と、前記第1の制御点データと、前記第4の制御点データと、前記基準線データから、移動経路データを生成する移動経路データ生成部と、前記移動経路データから前記工具の送り速度データを算出し、前記移動経路データと前記送り速度データに従った前記工具の移動を前記工作機械本体に指令する送り動作指令部とを備える工作機械の数値制御装置と
を具備する工作機械。 A machine tool body having a tool;
A numerical control device for a machine tool for controlling the operation of the machine tool main body, wherein the retraction operation of the tool from the work is performed from an NC program including control point data set based on the shape of the work. The second control includes the first control point data including information serving as a starting point of the retracting operation and the information indicating the end point of the retracting operation by instructing the machine tool body to perform the feed operation of the tool. The point data, the control tool commanding the tool to approach the workpiece, the third control point data including the information to be the end point of the feed operation, and the end point of the tool approaching operation A control point data extracting unit for extracting fourth control point data including information, and a reference serving as a reference for the curved movement path of the tool from the second control point data and the third control point data. A reference line data generation unit that generates data, the first control point data, the fourth control point data, a movement route data generation unit that generates movement route data from the reference line data, and the movement A numerical control device for a machine tool, comprising: a feed operation command unit that calculates feed speed data of the tool from path data and commands the machine tool body to move the tool according to the travel path data and the feed speed data A machine tool comprising
ワークの形状に基づき設定された制御点データを含むNCプログラムから、
前記工具の前記ワークからの退避動作を前記工作機械本体に指令し、前記退避動作の起点となる情報を含む第1の制御点データと、
前記工具の送り動作を前記工作機械本体に指令し、前記退避動作の終点となる情報を含む第2の制御点データと、
前記工具の前記ワークへの寄り付き動作を前記工作機械本体に指令し、前記送り動作の終点となる情報を含む第3の制御点データと、
前記工具の前記寄り付き動作の終点となる情報を含む第4の制御点データと
を抽出する工程と、
前記第2の制御点データと前記第3の制御点データから、前記工具の曲線状の移動経路の基準となる基準線データを生成する工程と、
前記第1の制御点データと、前記第4の制御点データと、前記基準線データから、移動経路データを生成する工程と、
前記移動経路データから前記工具の送り速度データを算出し、前記移動経路データと前記送り速度データに従った前記工具の移動を前記工作機械本体に指令する工程と
を具備する工作機械の制御方法。 A machine tool control method for controlling the operation of a machine tool body having a tool,
From NC program including control point data set based on workpiece shape,
Commanding the machine tool main body to retract the tool from the workpiece, and first control point data including information serving as a starting point of the retracting operation;
Commanding the tool feed operation to the machine tool body, second control point data including information serving as an end point of the retreat operation;
Commanding the machine tool main body to move the tool toward the workpiece, and third control point data including information serving as an end point of the feed operation;
Extracting fourth control point data including information that is an end point of the approaching operation of the tool;
Generating reference line data serving as a reference for the curved movement path of the tool from the second control point data and the third control point data;
Generating movement route data from the first control point data, the fourth control point data, and the reference line data;
A method for controlling a machine tool, comprising: calculating feed speed data of the tool from the movement path data, and instructing the machine tool body to move the tool according to the movement path data and the feed speed data.
ワークの形状に基づき設定された制御点データを含むNCプログラムから、
工具の前記ワークからの退避動作を工作機械本体に指令し、前記退避動作の起点となる情報を含む第1の制御点データと、
前記工具の送り動作を前記工作機械本体に指令し、前記退避動作の終点となる情報を含む第2の制御点データと、
前記工具の前記ワークへの寄り付き動作を前記工作機械本体に指令し、前記送り動作の終点となる情報を含む第3の制御点データと、
前記工具の前記寄り付き動作の終点となる情報を含む第4の制御点データと
を抽出する工程と、
前記第2の制御点データと前記第3の制御点データから、前記工具の曲線状の移動経路の基準となる基準線データを生成する工程と、
前記第1の制御点データと、前記第4の制御点データと、前記基準線データから、移動経路データを生成する工程と、
前記移動経路データから前記工具の送り速度データを算出し、前記移動経路データと前記送り速度データに従った前記工具の移動を前記工作機械本体に指令する工程と
を実行させるプログラム。 A program for causing a machine tool to process a workpiece,
From NC program including control point data set based on workpiece shape,
Commanding the machine tool body to retreat the tool from the workpiece, and first control point data including information serving as a starting point of the retraction operation;
Commanding the tool feed operation to the machine tool body, second control point data including information serving as an end point of the retreat operation;
Commanding the machine tool main body to move the tool toward the workpiece, and third control point data including information serving as an end point of the feed operation;
Extracting fourth control point data including information that is an end point of the approaching operation of the tool;
Generating reference line data serving as a reference for the curved movement path of the tool from the second control point data and the third control point data;
Generating movement route data from the first control point data, the fourth control point data, and the reference line data;
A program for calculating feed speed data of the tool from the movement path data and instructing the machine tool body to move the tool according to the movement path data and the feed speed data.
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