JP2014126424A - Three-dimensional measurement seal - Google Patents
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本発明は、計測対象物に貼り付けて測定、撮像するための円形の三次元計測用シールに関し、特に白色の中心円の外側の黒色又は暗色の外側リングに十文字状の基準線を印し、さらに必要に応じて中心円の中心に中心マークを印したものに関する。 The present invention relates to a circular three-dimensional measurement sticker that is attached to a measurement object for measurement and imaging, and in particular, marks a cross-shaped reference line on a black or dark outer ring outside a white center circle, Further, the present invention relates to the center circle with a center mark as required.
計測対象物の複数の測定基準点（測定対象点）にレトロターゲット（三次元計測用シール）を夫々貼り付け、それらの各レトロターゲットの中心点を精密測定器で計測（距離と方位）してその３次元計測データをメモリに格納しておき、次に計測対象物を相互にラップする複数の撮像領域に分割し、それら撮像領域をデジタルカメラで順次撮像し、カメラで撮像した撮像データをレトロターゲットの画像を用いて組み合わせることで計測対象物の全体の画像データを作成し、その画像データと精密測定器で測定した各レトロターゲットの中心点の精密な３次元データを組み合わせることで、計測対象物の立体形状の精密な３次元データを作成する技術が実用化されている。 Paste retro targets (three-dimensional measurement stickers) to multiple measurement reference points (measurement target points) of the measurement object, and measure the center point of each retro target with a precision measuring instrument (distance and orientation). The three-dimensional measurement data is stored in a memory, and then the measurement object is divided into a plurality of imaging areas that wrap each other, and the imaging areas are sequentially captured by a digital camera, and the imaging data captured by the camera is retro By using the target image to combine, create the entire image data of the measurement object, and combine the image data with the precise three-dimensional data of the center point of each retro target measured by a precision measuring instrument. A technique for creating precise three-dimensional data of a three-dimensional shape of an object has been put into practical use.
前記レトロターゲット（三次元計測用シール）は剥離紙に粘着させた円形シールであり、このレトロターゲットは、そのシールの中心側部分に印された白色の中心円と、この中心円を囲繞する外側リングであって径方向に所定幅を有する黒色の外側リングとを有する。計測対象物に貼る際には、剥離紙から剥離してから計測対象物に貼る。 The retro target (three-dimensional measurement seal) is a circular seal adhered to a release paper. The retro target is a white center circle marked on the center side of the seal and an outer side surrounding the center circle. A black outer ring having a predetermined width in the radial direction. When pasting on the measurement object, it is peeled off from the release paper and then pasted on the measurement object.
特許文献１には、前記のレトロターゲットとして機能する部分を含む対空標識と、上記のようにして計測対象物の複数の測定点を結ぶ立体形状の精密な３次元データを作成する技術（三次元モデル作成方法）が開示されている。
特許文献２の図４には、上記の段落［０００３］に記載したようなレトロターゲットの例が開示されている。
Patent Document 1 discloses a technique (three-dimensional) for creating precise three-dimensional data of a three-dimensional shape connecting an anti-air sign including a portion functioning as the retro target and a plurality of measurement points of a measurement object as described above. Model creation method) is disclosed.
FIG. 4 of Patent Document 2 discloses an example of a retro target as described in paragraph [0003] above.
例えば、メーカーが機械加工や溶接接合等により製作した製品を納入する場合に、その製品の寸法計測書を作成して提出する場合がある。このような場合、製品の表面に印した複数の測定基準線と複数の測定基準点にレトロターゲットを夫々貼り付けた状態で、前記の精密測定器で測定し且つデジタルカメラで撮像し、前記のように製品の立体形状の精密な３次元データを作成すると共に、複数の寸法データを作成することになる。 For example, when a manufacturer delivers a product manufactured by machining or welding, a dimensional measurement document for the product may be created and submitted. In such a case, with a retro target attached to each of a plurality of measurement reference lines and a plurality of measurement reference points marked on the surface of the product, measurement is performed with the precision measuring instrument and imaged with a digital camera. As described above, precise three-dimensional data of the three-dimensional shape of the product is created, and a plurality of dimension data is created.
このような場合、複数の測定基準線と、十文字状に印した測定基準線でもって夫々規定した複数の測定基準点とを製品の表面にマーキングしておき、それらの測定基準線上に中心が一致するように複数のレトロターゲットを適当個所に貼り付けると共に、各測定基準点に中心が一致するようにレトロターゲットを貼り付ける必要がある。 In such a case, multiple measurement reference lines and a plurality of measurement reference points defined by cross-shaped measurement reference lines are marked on the surface of the product, and the centers coincide on these measurement reference lines. As described above, it is necessary to paste a plurality of retro targets at appropriate locations and paste the retro targets so that the centers coincide with the respective measurement reference points.
従来のレトロターゲットは、白色の中心円と、その外周側を囲繞する径方向に幅のある黒色の外側リングとを有するだけのものであった。そのため、測定基準線にレトロターゲットの中心が一致するように複数のレトロターゲットを貼り付ける際には、通常は、目視にてレトロターゲットの中心を測定基準線に一致させるように貼り付けていた。
そのため、レトロターゲットを貼り付ける際にかなりの時間と労力を要するだけでなく、１００〜２００μｍ程度の位置決め誤差も発生する。同様に、各測定基準点に中心が一致するようにレトロターゲットを貼り付ける際にかなりの時間と労力を要するだけでなく、１００〜２００μｍ程度の位置決め誤差も発生するため、計測対象物の３次元データの精度を高めるのが困難であった。
The conventional retro target only has a white center circle and a radially outer black ring that surrounds the outer periphery thereof. For this reason, when pasting a plurality of retro targets so that the center of the retro target coincides with the measurement reference line, it is usually pasted so that the center of the retro target coincides with the measurement reference line visually.
Therefore, not only a considerable amount of time and labor is required when attaching the retro target, but also a positioning error of about 100 to 200 μm occurs. Similarly, not only a considerable amount of time and labor is required to attach the retro target so that the center coincides with each measurement reference point, but also a positioning error of about 100 to 200 μm occurs, so that the three-dimensional measurement object It was difficult to improve the accuracy of the data.
しかも、数値制御式の工作機械を用いて比較的大型の製品を機械加工により製作するような場合、製品表面の複数の測定基準点にレトロターゲットを貼り付け、それらレトロターゲットの中心の３次元位置を数値制御式工作機械の３次元位置測定機能を用いて測定し、その後さらに機械加工を行うという工程を繰り返して製品を完成させることがある。
このような場合、レトロターゲットの中心円の中心に、何ら中心マークが印されていないため、レトロターゲットの中心を判別できない。そのため、レトロターゲットの中心に予め中心マークを印す作業が必要となるうえ、その作業を手作業で行うため誤差発生の要因になる。
In addition, when a relatively large product is manufactured by machining using a numerically controlled machine tool, a retro target is attached to a plurality of measurement reference points on the product surface, and the three-dimensional position of the center of the retro target is attached. May be measured by using a three-dimensional position measurement function of a numerically controlled machine tool, and then a further machining process may be repeated to complete the product.
In such a case, no center mark is marked at the center of the center circle of the retro target, so the center of the retro target cannot be determined. For this reason, it is necessary to perform a work of previously placing a center mark at the center of the retro target, and the work is performed manually, which causes an error.
本発明の目的は、計測対象物にマーキングされた測定基準線に中心を容易に一致させ得る三次元計測用シールを提供すること、計測対象物にマーキングされた測定基準点に中心を容易に一致させ得る三次元計測用シールを提供することなどである。 An object of the present invention is to provide a three-dimensional measurement seal that can easily match the center to the measurement reference line marked on the measurement object, and to easily match the center to the measurement reference point marked on the measurement object For example, it is possible to provide a seal for three-dimensional measurement.
請求項１の三次元計測用シールは、計測対象物に貼り付けて三次元計測に供する円形の三次元計測用シールにおいて、中心側部分に印した白色の中心円と、この中心円を囲繞する外側リングであって径方向に所定幅を有する黒色又は暗色の外側リングと、前記中心円の中心を通る十文字状の第１仮想線上に位置すると共に、外側リングの外周縁から中心方向へ設定長さ延び且つ細線状の白色の４本の第１基準線とを備えたことを特徴としている。 The three-dimensional measurement seal according to claim 1 is a circular three-dimensional measurement seal that is attached to a measurement object and used for three-dimensional measurement, and surrounds the central circle with a white central circle marked on the center side portion. A black or dark outer ring having a predetermined width in the radial direction and an outer ring positioned on a cross-shaped first imaginary line passing through the center of the center circle and set from the outer periphery of the outer ring toward the center. It is characterized by comprising four first reference lines that are extended and thin white.
請求項２の三次元計測用シールは、請求項１の発明において、前記中心円の中心に中心点又は十字マークからなる黒色又は暗色の中心マークを印したことを特徴としている。 The seal for three-dimensional measurement according to claim 2 is characterized in that, in the invention according to claim 1, a black or dark center mark comprising a center point or a cross mark is marked at the center of the center circle.
請求項３の三次元計測用シールは、請求項２の発明において、前記十文字状の第１仮想線を前記中心円の中心の回りに４５度回転させた十文字状の第２仮想線上に位置すると共に、外側リングの外周縁から中心方向へ設定長さ延び且つ細線状の白色の４本の第２基準線とを備えたことを特徴としている。 The three-dimensional measurement seal according to claim 3 is located on the cross-shaped second imaginary line obtained by rotating the cross-shaped first imaginary line 45 degrees around the center of the central circle in the invention of claim 2. In addition, it is characterized in that it includes four second reference lines that are white and extend in a set length from the outer peripheral edge of the outer ring toward the center.
請求項４の三次元計測用シールは、請求項３の発明において、前記第１基準線の線幅と第２基準線の線幅とが異なることを特徴としている。 The seal for three-dimensional measurement of claim 4 is characterized in that, in the invention of claim 3, the line width of the first reference line is different from the line width of the second reference line.
請求項１の三次元計測用シールは、白色の中心円と、径方向に所定幅を有する黒色又は暗色の外側リングと、前記中心円の中心を通る十文字状の第１仮想線上に位置すると共に、外側リングの外周縁から中心方向へ設定長さ延び且つ細線状の白色の４本の第１基準線とを備えているため、計測対象物の表面にマーキングされた測定基準線に２本の対向する第１基準線が一致するように三次元計測用シールを貼り付けるだけで、三次元計測用シールの中心を測定基準線に簡単に高精度に一致させることができる。 The three-dimensional measurement seal according to claim 1 is located on a white center circle, a black or dark outer ring having a predetermined width in the radial direction, and a cross-shaped first imaginary line passing through the center of the center circle. And four first reference lines that extend in the center direction from the outer peripheral edge of the outer ring and have a thin line shape, so that two measurement reference lines marked on the surface of the measurement object The center of the three-dimensional measurement seal can be easily aligned with the measurement reference line with high accuracy simply by attaching the three-dimensional measurement seal so that the opposing first reference lines coincide.
また、計測対象物の表面に十文字状にマーキングした２本の測定基準線の交点でもって測定基準点を規定した場合に、４本の第１基準線が十文字状の測定基準線に一致するように三次元計測用シールを貼り付けるだけで、三次元計測用シールの中心を測定基準点に簡単に高精度に一致させることができる。 In addition, when the measurement reference point is defined by the intersection of two measurement reference lines marked in a cross shape on the surface of the measurement object, the four first reference lines coincide with the cross-shaped measurement reference line. The center of the three-dimensional measurement seal can be easily aligned with the measurement reference point with high accuracy simply by attaching the three-dimensional measurement seal to the surface.
請求項２の発明によれば、前記中心円の中心に中心点又は十字マークからなる黒色又は暗色の中心マークを印したため、測定対象物の表面に貼り付けた三次元計測用シールの中心に測定手段のプローブを接触させて寸法測定や３次元データの取得を行う場合に、三次元計測用シールの中心を高精度に且つ能率的に知ることができる。 According to the invention of claim 2, since the center mark of black or dark color consisting of a center point or a cross mark is marked at the center of the center circle, the measurement is performed at the center of the three-dimensional measurement sticker attached to the surface of the measurement object. When the dimension probe or the acquisition of three-dimensional data is performed by contacting the probe of the means, the center of the three-dimensional measurement seal can be known with high accuracy and efficiency.
請求項３の発明によれば、前記４本の第１基準線を前記中心の回りに４５度回転させたのと同様の細線状の白色の４本の第２基準線を備えているため、計測対象物の表面に４５度で交差する２本の測定基準線でもって測定基準点を規定した場合に、それらの測定基準線に第１，第２基準線を一致させることで、三次元計測用シールの中心を測定基準点に簡単に高精度に一致させることができる。 According to the invention of claim 3, since the four first reference lines are provided with the four fine white white second reference lines that are rotated 45 degrees around the center, When the measurement reference point is defined by two measurement reference lines that intersect the surface of the measurement object at 45 degrees, the first and second reference lines coincide with these measurement reference lines, so that three-dimensional measurement is performed. The center of the seal can be easily aligned with the measurement reference point with high accuracy.
請求項４の発明によれば、前記第１基準線の線幅と第２基準線の線幅とが異なるため、計測対象物の表面に細い測定対象線がマーキングされている場合には、第１，第２基準線のうち細い方の基準線を用いるようにし、計測対象物の表面に太めの測定基準線がマーキングされている場合には、第１，第２基準線のうち太めの基準線を用いるようにして第１，第２基準線を適宜使い分けることができる。 According to the invention of claim 4, since the line width of the first reference line and the line width of the second reference line are different, when a thin measurement target line is marked on the surface of the measurement target, The thinner reference line is used among the first and second reference lines, and when a thick measurement reference line is marked on the surface of the measurement object, the thicker reference line among the first and second reference lines is used. The first and second reference lines can be properly used as appropriate.
本発明を実施するための形態について実施例に基づいて説明する。 EMBODIMENT OF THE INVENTION The form for implementing this invention is demonstrated based on an Example.
図１〜図４に示すように、本実施例に係る三次元計測用シール１は、計測対象物に貼り付けて三次元計測に供する円形のシールである。
この三次元計測用シール１は、薄い金属フィルム(例えば、アルミ箔)の表面に合成樹脂フィルム材を密着状に貼り付けたもの(厚さ約３０〜４０μｍ）を素材にして構成され、複数の三次元計測用シール１は剥離紙の表面に複数行複数列のマトリックス状に粘着剤で貼りつけてあり（図示略）、三次元計測用シール１を剥離紙から剥離して計測対象物の表面に貼り付けることができる。
As shown in FIGS. 1 to 4, the three-dimensional measurement seal 1 according to the present embodiment is a circular seal that is attached to a measurement object and used for three-dimensional measurement.
The three-dimensional measurement seal 1 is made of a thin metal film (for example, an aluminum foil) with a synthetic resin film adhered in a close contact state (thickness of about 30 to 40 μm) as a raw material. The three-dimensional measurement sticker 1 is attached to the surface of the release paper with an adhesive in a matrix of multiple rows and columns (not shown), and the three-dimensional measurement sticker 1 is peeled off from the release paper and the surface of the measurement object. Can be pasted on.
この三次元計測用シール１は、中心側部分に印した白色の中心円２と、黒色の外側リング３と、白色の４本の第１基準線４と、白色の４本の第２基準線５と、中心マーク６とを備えている。 The three-dimensional measurement seal 1 includes a white center circle 2 marked on the center side portion, a black outer ring 3, four white first reference lines 4, and four white second reference lines. 5 and a center mark 6.
前記外側リング３は、中心円２を囲繞するように且つ径方向に所定幅を有するように形成されている。本実施例の外側リング３は黒色に印刷されているが、黒色に限定される訳ではなく、白色とのコントラストがはっきりする青色や緑色や褐色系の暗色又はその他の暗色となるように印刷してもよい。 The outer ring 3 is formed so as to surround the center circle 2 and to have a predetermined width in the radial direction. The outer ring 3 of the present embodiment is printed in black, but is not limited to black, and is printed so that the contrast with white is clear, such as blue, green, brown, or other dark colors. May be.
４本の第１基準線４は、中心円２の中心（中心マーク６）を通る十文字状の第１仮想線７上に位置すると共に、外側リング３の外周縁から中心方向へ前記所定幅未満の設定長さ延びる細線状の白色の４本の線で構成されている。第１基準線４の長さは、外側リング３の径方向幅の約２／３〜４／５程度が望ましい。 The four first reference lines 4 are positioned on a cross-shaped first imaginary line 7 passing through the center (center mark 6) of the center circle 2 and are less than the predetermined width from the outer peripheral edge of the outer ring 3 toward the center. It is composed of four thin white lines extending the set length. The length of the first reference line 4 is preferably about 2/3 to 4/5 of the radial width of the outer ring 3.
４本の第２基準線５は、十文字状の第１仮想線７を中心円２の中心（中心マーク６）の回りに４５度回転させた十文字状の第２仮想線８上に位置すると共に、外側リング３の外周縁から中心方向へ前記所定幅未満の設定長さ延びる細線状の白色の４本の線で構成されている。第２基準線５の長さは、外側リング３の径方向幅の約２／３〜４／５程度が望ましい。尚、第２基準線５の線幅は、第１基準線４の線幅よりも大きく設定されている。 The four second reference lines 5 are positioned on the cross-shaped second virtual line 8 obtained by rotating the cross-shaped first virtual line 7 by 45 degrees around the center of the central circle 2 (center mark 6). The outer ring 3 is composed of four thin white lines extending from the outer peripheral edge of the outer ring 3 in the center direction to a set length less than the predetermined width. The length of the second reference line 5 is preferably about 2/3 to 4/5 of the radial width of the outer ring 3. The line width of the second reference line 5 is set larger than the line width of the first reference line 4.
前記中心マーク６は、中心円２の中心に印された黒色の中心点からなる。
本実施例の中心マーク６は黒色であるが、黒色に限定される訳ではなく、白色とのコントラストがはっきりする青色や緑色や褐色系の暗色又はその他の暗色でもよい。また、中心マーク６は、十字マークやＸマークで構成してもよい。
The center mark 6 is composed of a black center point marked at the center of the center circle 2.
Although the center mark 6 of this embodiment is black, it is not limited to black, and may be blue, green, brownish dark colors with a clear contrast with white, or other dark colors. Further, the center mark 6 may be constituted by a cross mark or an X mark.
上記の三次元計測用シールの諸元の例について説明する。
小型版の三次元計測用シール：
中心円２の直径：８ｍｍ
外側リング３の外径：１６ｍｍ
第１基準線４の線幅×長さ：０．１ｍｍ×３ｍｍ
第２基準線５の線幅×長さ：０．３ｍｍ×３ｍｍ
中心マーク６の直径：０．１ｍｍ
An example of the specifications of the above three-dimensional measurement seal will be described.
Small version of 3D measurement sticker:
Diameter of center circle 2: 8mm
Outer ring 3 outer diameter: 16 mm
Line width x length of the first reference line 4: 0.1 mm x 3 mm
Line width x length of second reference line 5: 0.3 mm x 3 mm
Diameter of center mark 6: 0.1 mm
大型版の三次元計測用シール：
中心円２の直径：８ｍｍ
外側リング３の外径：２４ｍｍ
第１基準線４の線幅×長さ：０．１ｍｍ×５ｍｍ
第２基準線５の線幅×長さ：０．３ｍｍ×５ｍｍ
中心マーク６の直径：０．１ｍｍ
Large version of 3D measurement sticker:
Diameter of center circle 2: 8mm
Outer ring 3 outer diameter: 24 mm
Line width x length of the first reference line 4: 0.1 mm x 5 mm
Line width x length of second reference line 5: 0.3 mm x 5 mm
Diameter of center mark 6: 0.1 mm
次に、前記三次元計測用シール１を計測対象物の表面に貼って立体形状の測定に供する例について図５に基づいて説明する。
計測対象物はステンレス板製のケース体１０であり、このケース体１０の内面の下部と中段部に横方向に延びる測定基準線１１，１２がマーキングされ、左側の縦壁１０ａの内面には２本の縦向きの測定基準線１３，１４がマーキングされている。
Next, an example in which the three-dimensional measurement seal 1 is attached to the surface of a measurement object and used for measurement of a three-dimensional shape will be described with reference to FIG.
The object to be measured is a case body 10 made of a stainless steel plate. Measurement reference lines 11 and 12 extending in the lateral direction are marked on the lower and middle steps of the inner surface of the case body 10, and 2 on the inner surface of the left vertical wall 10a. The vertical measurement reference lines 13 and 14 of the book are marked.
測定基準線１１，１３の交差部と測定基準線１１，１４の交差部に三次元計測用シール１が夫々貼り付けられ、測定基準線１２，１３の交差部と測定基準線１２，１４の交差部に三次元計測用シール１が夫々貼り付けられる。この場合、測定基準線１１，１３の交差部付近において、測定基準線１１，１３に４本の第１基準線４を一致させることで測定基準線１１，１３の交点（測定基準点）に三次元計測用シール１の中心マーク６を一致させることができる。その他の交差部に貼る場合にも同様である。 The three-dimensional measurement seal 1 is affixed to the intersection of the measurement reference lines 11 and 13 and the intersection of the measurement reference lines 11 and 14, and the intersection of the measurement reference lines 12 and 13 and the intersection of the measurement reference lines 12 and 14. The three-dimensional measurement seals 1 are attached to the respective parts. In this case, in the vicinity of the intersection of the measurement reference lines 11 and 13, the four first reference lines 4 are made to coincide with the measurement reference lines 11 and 13, so that a tertiary is obtained at the intersection (measurement reference point) of the measurement reference lines 11 and 13. The center mark 6 of the original measurement seal 1 can be matched. The same applies when pasting at other intersections.
さらに、測定基準線１１に沿って複数の三次元計測用シール１が貼り付けられ、測定基準線１２に沿って複数の三次元計測用シール１が貼り付けられる。
この場合、測定基準線１１に三次元計測用シール１の横方向に対向する２本の第１基準線４を一致させることで、測定基準線１１に三次元計測用シール１の中心マーク６を一致させることができる。測定基準線１２に沿って貼る場合にも同様である。
Further, a plurality of three-dimensional measurement stickers 1 are attached along the measurement reference line 11, and a plurality of three-dimensional measurement stickers 1 are attached along the measurement reference line 12.
In this case, the center mark 6 of the three-dimensional measurement seal 1 is placed on the measurement reference line 11 by matching the two first reference lines 4 facing the measurement reference line 11 in the lateral direction of the three-dimensional measurement seal 1. Can be matched. The same applies when pasting along the measurement reference line 12.
上記の三次元計測用シール１の作用、効果について説明する。
計測対象物の表面にマーキングされた測定基準線１１，１２に横方向に対向する２本の第１基準線４が一致するように三次元計測用シール１を貼り付けるだけで、三次元計測用シール１の中心（中心マーク６）を測定基準線１１，１２に簡単に高精度に一致させることができる。
The operation and effect of the three-dimensional measurement seal 1 will be described.
For three-dimensional measurement, simply sticking the three-dimensional measurement seal 1 so that the two first reference lines 4 facing in the horizontal direction coincide with the measurement reference lines 11 and 12 marked on the surface of the measurement object. The center (center mark 6) of the seal 1 can be easily aligned with the measurement reference lines 11 and 12 with high accuracy.
また、計測対象物の表面に直交状にマーキングした２本の測定基準線１１，１３／１１，１４／１２，１３／１２，１４の交点でもって測定基準点を規定した場合に、４本の第１基準線４が直交状の測定基準線に一致するように三次元計測用シール１を貼り付けるだけで、三次元計測用シール１の中心（中心マーク６）を測定基準点に簡単に高精度に一致させることができる。 When the measurement reference point is defined by the intersection of two measurement reference lines 11, 13/11, 14/12, 13/12, 14 marked orthogonally on the surface of the measurement object, By simply sticking the 3D measurement seal 1 so that the first reference line 4 coincides with the orthogonal measurement reference line, the center (center mark 6) of the 3D measurement seal 1 can be easily raised to the measurement reference point. The accuracy can be matched.
中心円２の中心に中心点又は十字マークからなる黒色又は暗色の中心マーク６を印したため、計測対象物の表面に貼り付けた三次元計測用シール１の中心に測定手段のプローブ等を接触させて寸法測定や３次元データの取得を行う場合に、三次元計測用シール１の中心を高精度に且つ能率的に知ることができる。 Since a black or dark center mark 6 consisting of a center point or a cross mark is marked at the center of the center circle 2, the probe of the measuring means is brought into contact with the center of the three-dimensional measurement seal 1 attached to the surface of the measurement object. Thus, when performing dimension measurement or acquisition of three-dimensional data, the center of the three-dimensional measurement seal 1 can be known with high accuracy and efficiency.
４本の第１基準線４を前記中心（中心マーク６）の回りに４５度回転させたのと同様の細線状の白色の４本の第２基準線５を備えているため、計測対象物の表面に４５度で交差する２本の測定基準線でもって測定基準点を規定した場合に、それらの測定基準線に第１，第２基準線４，５を一致させることで、三次元計測用シール１の中心を測定基準点に簡単に高精度に一致させることができる。 Since the four first reference lines 4 are provided with the four fine white white second reference lines 5 that are rotated 45 degrees around the center (center mark 6), the object to be measured When the measurement reference points are defined by two measurement reference lines that intersect the surface of the surface at 45 degrees, the first and second reference lines 4 and 5 are made to coincide with those measurement reference lines, so that the three-dimensional measurement is performed. The center of the seal 1 can be easily matched with the measurement reference point with high accuracy.
第１基準線４の線幅が第２基準線５の線幅より細いため、測定対象物の表面に細い測定基準線がマーキングされている場合には、第１，第２基準線４，５のうち細い方の基準線４を用いるようにし、測定対象物の表面に太めの測定基準線がマーキングされている場合には、第１，第２基準線４，５のうち太めの基準線５を用いるようにして第１，第２基準線４，５を適宜使い分けることができる。 Since the line width of the first reference line 4 is narrower than the line width of the second reference line 5, when the thin measurement reference line is marked on the surface of the measurement object, the first and second reference lines 4, 5 Of the first and second reference lines 4 and 5, the thicker reference line 5 is used when the thinner reference line 4 is used and the surface of the measurement object is marked with a thicker measurement reference line. Thus, the first and second reference lines 4 and 5 can be properly used.
前記実施例を部分的に変更する例について説明する。
（１）図６に示すように、前記中心マーク６の代わりに、小さな十文字状の中心マーク６Ａを採用してもよい。また、Ｘ印のような中心マークでもよい。
（２）三次元計測用シール１の前記の諸元（諸寸法）は、２つの例を示すものであり、前記の諸元に限定されるものではない。
（３）三次元計測用シール１の中心円は白色とするのが最も望ましいが、実質的に白色と言えるような明色であってもよい。
（４）第１，第２基準線４，５は、実線以外に、破線や鎖線で印してもよい。
An example in which the embodiment is partially changed will be described.
(1) As shown in FIG. 6, instead of the center mark 6, a small cross-shaped center mark 6A may be employed. Also, a center mark such as an X mark may be used.
(2) The above specifications (dimensions) of the three-dimensional measurement seal 1 show two examples and are not limited to the above specifications.
(3) The center circle of the three-dimensional measurement seal 1 is most preferably white, but it may be a light color that can be said to be substantially white.
(4) The first and second reference lines 4 and 5 may be marked with a broken line or a chain line in addition to the solid line.
本発明に係る三次元計測用シール１は、種々の物品の立体形状を測定してその３次元データを作成するのに適用することができ、また、計測手段による物品の各部の寸法計測の用途にも適用することができる。 The three-dimensional measurement seal 1 according to the present invention can be applied to measure the three-dimensional shape of various articles and create three-dimensional data thereof, and is also used for measuring the dimensions of each part of the article by the measuring means. It can also be applied to.
１ 三次元計測用シール
２ 中心円
３ 外側リング
４ 第１基準線
５ 第２基準線
６，６Ａ 中心マーク
７ 第１仮想線
８ 第２仮想線
DESCRIPTION OF SYMBOLS 1 3D measurement sticker 2 Center circle 3 Outer ring 4 First reference line 5 Second reference line 6, 6A Center mark 7 First imaginary line 8 Second imaginary line
Claims (4)
中心側部分に印した白色の中心円と、
この中心円を囲繞する外側リングであって径方向に所定幅を有する黒色又は暗色の外側リングと、
前記中心円の中心を通る十文字状の第１仮想線上に位置すると共に、外側リングの外周縁から中心方向へ設定長さ延び且つ細線状の白色の４本の第１基準線とを備えたことを特徴とする三次元計測用シール。 In a circular 3D measurement sticker that is attached to a measurement object and used for 3D measurement,
A white center circle marked on the center side,
A black or dark outer ring surrounding the central circle and having a predetermined width in the radial direction;
It is located on a cross-shaped first imaginary line passing through the center of the center circle, and has four fine white-line white first reference lines extending a set length from the outer peripheral edge of the outer ring toward the center. 3D measurement sticker featuring
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