JP2000356501A - Production of shape checking tool of inspection jig - Google Patents
Production of shape checking tool of inspection jigInfo
- Publication number
- JP2000356501A JP2000356501A JP11167444A JP16744499A JP2000356501A JP 2000356501 A JP2000356501 A JP 2000356501A JP 11167444 A JP11167444 A JP 11167444A JP 16744499 A JP16744499 A JP 16744499A JP 2000356501 A JP2000356501 A JP 2000356501A
- Authority
- JP
- Japan
- Prior art keywords
- created
- shape
- creating
- line
- inspection jig
- 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
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、製造された機械
部品等の形状精度等を検査するための検査治具におい
て、特に折曲形状部位を有する機械部品等に対する姿見
形状の作成方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inspection jig for inspecting the shape accuracy and the like of manufactured mechanical parts and the like, and more particularly to a method of creating a figure shape for a mechanical part having a bent part. is there.
【０００２】[0002]
【従来の技術】たとえば、自動車ボディ等の製造工程に
おいて、製造された部品等の形状精度などを検査するた
めの検査治具が使用される。従来、このような検査治具
の姿見形状を設計・製作する場合、ＮＣ加工を行うため
にＣＡＤシステムが利用されている。2. Description of the Related Art For example, in a manufacturing process of an automobile body or the like, an inspection jig for inspecting a shape accuracy of a manufactured part or the like is used. Conventionally, when designing and manufacturing the appearance shape of such an inspection jig, a CAD system has been used for performing NC processing.
【０００３】ここで、図９は部品Ｗのための姿見１００
を作成する場合の例を示している。この例では部品Ｗは
２つのフランジ面Ｗa およびＷb を有し、これらのフラ
ンジ面Ｗa ，Ｗb は図示のように相互に折れ曲がってい
る。ここで部品Ｗの姿見１００を作成するために、各フ
ランジ面Ｗa ，Ｗb に対する姿見１００a ，１００bと
それらの結合部１００c が必要になる。FIG. 9 is a view 100 for a part W.
An example in the case of creating is shown. Component W in this example has two flange surface W a and W b, these flange surfaces W a, W b is bent to each other as shown. Here in order to create a full-length mirror 100 parts W, the flange surface W a, it is a full-length mirror 100 a, 100 b and their coupling portions 100 c for W b is required.
【０００４】[0004]
【発明が解決しようとする課題】上述の例において、姿
見１００a はフランジ面Ｗa 上にある法線の範囲に対し
て設定される。また姿見１００b は同様に、フランジ面
Ｗb 上にある法線の範囲に対して設定される。ところ
が、従来のＣＡＤシステムによれば姿見１００a および
１００b の結合部１００c はそのままでは、形状が作れ
ない範囲となってしまう。このため結合部１００c に対
する姿見形状を作成するために多くの工数がかからざる
を得なかった。In the above example INVENTION SUMMARY is], a large mirror 100 a is set for a range of normal residing on the flange surface W a. The dresser 100 b similarly is set for a range of normal residing on flange surface W b. However, it is a full-length mirror 100 a and 100 b coupling portion 100 c of the according to the conventional CAD system intact, resulting in a range of shapes can not make. Many man-hours had to take in order to create a full-length mirror shape for this reason coupling portion 100 c.
【０００５】この発明は以上の点に鑑み、精度よくしか
も効率的に姿見形状を作成し得る検査治具の姿見形状作
成方法を提供することを目的とする。SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to provide a method for creating a figure shape of an inspection jig capable of accurately and efficiently creating a figure shape.
【０００６】[0006]
【課題を解決するための手段】請求項１に記載の発明
は、折曲した連設フランジ面を有する部品を検査するた
めの治具における姿見形状の作成方法であって、各フラ
ンジ面を延長し、延長された部分を含む各フランジ面に
対する姿見形状を作成し、余分な形状を切除することに
より姿見相互の結合部分を含む姿見形状を得ることを特
徴とする。請求項２に記載の発明では、好ましくは、フ
ランジ面を延長する際、フランジ面の端末線に対する直
交線を作成し、この直交線の両端を通ってフランジ面に
接する法線を作成し、各法線をガイドとしたスイープ面
を作成するように構成し得る。請求項３に記載の発明で
は、上記姿見は、好ましくは上面、側面および底面を有
する立体形状であることを特徴とする。請求項４に記載
の発明は、請求項３記載の構成において、上面を作成す
る際、基準面のエッジから指定ピッチごとの接線を作成
し、これらの接線上のエッジから隙間幅の距離に点列を
作成し、その点列を結ぶ曲線を作成し、各接線に上面幅
の距離の点を作成し、それぞれの点を結ぶ曲線を作成
し、各接線を前記曲線でトリムし、各接線と前記曲線と
でＮ断面掃印面を作成し、このＮ断面掃印面を板厚補正
の値により上面の面法線方向にオフセットすることを特
徴とする。また、請求項５に記載の発明は、好ましく
は、側面を作成する際、上面の各端点に上面方向と逆方
向に垂直線を作成し、垂直線と上面のエッジとでＮ断面
掃印面を作成するように構成し得る。さらに、請求項６
に記載の発明では、底面を作成する際、好ましくは、上
面の両端点が側面幅となる位置に平面を作成し、底面と
側面とで相関線を作成し、それぞれをトリムすることを
特徴とする。An object of the present invention is to provide a method for producing a shape of a figure in a jig for inspecting a component having a bent continuous flange surface, wherein each flange surface is extended. Then, the appearance shape for each flange surface including the extended portion is created, and the appearance shape including the joint portion between the appearance appearances is obtained by cutting off the excess shape. In the invention according to claim 2, preferably, when extending the flange surface, an orthogonal line to the terminal line of the flange surface is created, and a normal line passing through both ends of the orthogonal line and contacting the flange surface is created. It may be configured to create a sweep plane with the normal as a guide. In the invention described in claim 3, the appearance is preferably a three-dimensional shape having an upper surface, a side surface, and a bottom surface. According to a fourth aspect of the present invention, in the configuration according to the third aspect, when creating the upper surface, tangents are created at specified intervals from edges of the reference plane, and points are set at a distance of a gap width from the edges on these tangents. Create a line, create a curve connecting the point sequence, create a point of the distance of the top surface width for each tangent, create a curve connecting each point, trim each tangent with the curve, each tangent and An N-section scanning surface is created with the curve, and the N-section scanning surface is offset in the surface normal direction of the upper surface by the thickness correction value. In the invention according to claim 5, preferably, when forming the side surface, a vertical line is formed at each end point of the upper surface in a direction opposite to the upper surface direction, and the N-section sweeping surface is formed by the vertical line and the edge of the upper surface. It can be configured to create. Further, claim 6
In the invention described in the above, when creating the bottom surface, preferably, a plane is created at a position where both end points of the upper surface are the side surface width, a correlation line is created between the bottom surface and the side surface, and each is trimmed. I do.
【０００７】この発明によれば、各フランジ面を延長
し、延長された部分を含む各フランジ面に対する姿見形
状を作成し、余分な形状を切除することにより、極めて
効率的かつ精度よく姿見相互の結合部分を含む姿見形状
を得ることができる。According to the present invention, each of the flange surfaces is extended, the appearance shape for each of the flange surfaces including the extended portion is formed, and the extra shape is cut off, so that the mutual appearance can be extremely efficiently and accurately performed. A look-alike shape including the coupling portion can be obtained.
【０００８】[0008]
【発明の実施の形態】以下、図面に基づいてこの発明に
よる検査治具の姿見形状作成方法の好適な実施の形態を
説明する。図１はこの発明方法を原理的に示している。
なお、この実施形態において部品Ｗは２つのフランジ面
Ｗa およびＷb を有し、これらのフランジ面Ｗa ，Ｗb
は前述した従来例と実質的に同様に相互に折れ曲がって
いる。そして、このような部品Ｗに対する姿見１０を作
成するものとする。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a method for producing a shape of an inspection jig according to the present invention; FIG. 1 shows in principle the method according to the invention.
Incidentally, component W has two flange surfaces W a and W b In this embodiment, the flanges faces W a, W b
Are mutually bent substantially similarly to the above-mentioned conventional example. Then, an appearance 10 for such a part W is created.
【０００９】この実施形態にあっては、図１（Ａ）のよ
うにフランジ面Ｗa ，Ｗb を自動的に延長し、延長され
た部分を含むフランジ面Ｗa ，Ｗb に対する姿見１
０a ，１０b を作成する（図２（Ａ）参照）。そして図
１（Ｂ）のように余分な形状を切除することにより（図
２（Ｂ）参照）、姿見１０a ，１０b 相互の結合部分を
含む姿見１０が得られる。[0009] In the present embodiment, automatically extending flange surface W a, a W b as shown in FIG. 1 (A), the flange surface W a which includes an extension portion, a full-length mirror 1 for W b
0a and 10b are created (see FIG. 2A). Then (see FIG. 2 (B)) by excising the excess shape as shown in FIG. 1 (B), the full-length mirror 10 a, 10 b large mirror 10 comprising a binding moiety of each other are obtained.
【００１０】つぎに、本発明方法を詳細に説明する。フ
ランジ面Ｗa ，Ｗb を延長する場合、図３（Ａ）におい
て、フランジ面Ｗaの端末線Ｗa1に対して直交するＬ1
線を作成する。次に、図３（Ｂ）に示すように、Ｌ1 線
の両端を通って、フランジ面Ｗa に接する任意長さ（姿
見１０a を延長すべき長さ）の法線Ｌ2 ，Ｌ3 を作成す
る。次いで、図３（Ｃ）において、法線Ｌ2 ，Ｌ3 をガ
イドとしたＬ1 線のスイープ面Ｐを作成する。そして、
図３（Ｄ）に示すように、フランジ面Ｗa を延長したス
イープ面Ｐが得られる。Next, the method of the present invention will be described in detail. When extending flange surface W a, a W b, in FIG. 3 (A), L 1 perpendicular to the terminal line W a1 flange face W a
Create a line. Next, as shown in FIG. 3 (B), through the ends of the L 1 line, the normal L 2, L 3 of any length in contact with the flange surface W a (length should be extended to a full-length mirror 10 a) Create Then, in FIG. 3 (C), the create a sweep surface P of L 1 line in which the normal line L 2, L 3 guides and. And
As shown in FIG. 3 (D), the sweep plane P which extended the flange surface W a is obtained.
【００１１】このようにして、延長されたスイープ面Ｐ
を含むフランジ面Ｗa に対する姿見１０a を作成する
が、ここで図４に示すような単純化したモデルを用い
て、立体形状として姿見形状を作成する場合を説明す
る。姿見１０a のモデルは、上面１０a1、側面１０a2お
よび底面１０a3を有するものとする。In this manner, the extended sweep plane P
To create a full-length mirror 10 a against the flange surface W a containing, but here using a simplified model shown in FIG. 4, the case of creating a full-length mirror shape as a three-dimensional shape. Models of large mirror 10 a is assumed to have a top surface 10 a1, sides 10 a2 and bottom 10 a3.
【００１２】上面の作成 （１）図５（Ａ）に示すように、まず基準面のエッジか
ら指定ピッチごとの接線を作成する。作成した接線同士
が干渉した場合（基準面のピック点での面法線方向から
見て）、つぎの曲線を作成する工程までを行い、ここで
は姿見は作成しない。 （２）作成した接線上のエッジから隙間幅の距離に点列
を作成し、その点列を結び曲線を作成する（なお、作成
する接線の長さは、上面幅の隙間幅＋上面幅＋αの長さ
とする。）。 Creation of Upper Surface (1) As shown in FIG. 5A, first, a tangent line is created at specified pitches from the edge of the reference surface. When the created tangent lines interfere with each other (as viewed from the normal direction of the surface at the pick point of the reference plane), the process up to the next curve is created, and no appearance is created here. (2) A series of points is created at the distance of the gap width from the edge on the created tangent line, and the point series is connected to create a curve (the length of the created tangent line is the gap width of the top surface width + the top surface width + α). Length).
【００１３】（３）図５（Ｂ）において、各接線に上面
幅の距離の点を作成し、それぞれの点を結ぶ曲線を作成
する。 （４）各接線を上記（３）で作成した曲線でトリムす
る。 （５）各接線と上記（２）で作成した曲線とでＮ断面掃
印面を作成する。(3) In FIG. 5B, a point having a distance of the upper surface width is created for each tangent line, and a curve connecting the points is created. (4) Trim each tangent with the curve created in (3) above. (5) An N-section scanning surface is created from each tangent and the curve created in (2) above.
【００１４】（６）図５（Ｃ）において、作成した面を
板厚補正の値により上面の面法線方向にオフセットす
る。(6) In FIG. 5C, the created surface is offset in the surface normal direction of the upper surface by the thickness correction value.
【００１５】側面の作成 （１）図６に示すように、上面の各端点に上面方向と逆
方向に垂直となる線を作成する（なお、作成する線の長
さは、側面幅の２倍の長さとする）。 （２）作成した線と上面のエッジとでＮ断面掃印面を作
成する。 Creation of Side Surface (1) As shown in FIG. 6, a line perpendicular to the upper surface direction is created at each end point of the upper surface (the length of the created line is twice the width of the side surface). Length). (2) An N-section scanning surface is created by the created line and the edge of the upper surface.
【００１６】底面の作成 （１）図７において、上面の両端点が側面幅となる位置
に平面を作成する。 （２）底面と側面とで相関線を作成し、それぞれをトリ
ムする。 Creation of Bottom Surface (1) In FIG. 7, a plane is created at a position where both end points of the upper surface have side surface widths. (2) Create a correlation line between the bottom surface and the side surface and trim each.
【００１７】図８において、その他の面を作成し、各面
を結合し立体を作成する。In FIG. 8, other surfaces are created, and the surfaces are combined to create a solid.
【００１８】さらに、フランジ面Ｗb についても、上述
したフランジ面Ｗa の場合と同様に姿見１０b の立体形
状を作成する。フランジ面Ｗa ，Ｗb に対する姿見１０
a ，１０b の余分な形状を切除することにより、姿見１
０a ，１０b 相互の結合部分を含む姿見１０が得られ
る。Furthermore, for the flange surface W b, creating a three-dimensional shape of the case as well as full-length mirror 10 b of the flange surface W a as described above. Dresser flange surface W a, for W b 10
By excising the excess shape of a, 10 b, full-length mirror 1
0 a, a full-length mirror 10 comprising 10 b coupling section of the cross are obtained.
【００１９】なお、上記実施形態において自動車ボディ
等の部品等を検査するための検査治具の例で説明した
が、本発明方法はその他の機械部品に対しても同様に適
用であり、上記実施形態を同様な作用効果を得ることが
できる。Although the above embodiment has been described using an example of an inspection jig for inspecting parts such as an automobile body, the method of the present invention is similarly applied to other mechanical parts. The embodiment can obtain the same operation and effect.
【００２０】[0020]
【発明の効果】以上説明したようにこの発明によれば、
この種の検査治具において各フランジ面を延長し、延長
された部分を含む各フランジ面に対する姿見形状を作成
し、余分な形状を切除することにより、極めて効率的か
つ精度よく姿見相互の結合部分を含む姿見形状を得るこ
とができる。As explained above, according to the present invention,
In this type of inspection jig, each flange surface is extended, the appearance shape for each flange surface including the extended part is created, and the extra shape is cut off, so that the appearance mutual connection part is extremely efficient and accurate. Can be obtained.
【図１】この発明方法を原理的に示す図である。FIG. 1 is a diagram showing in principle the method of the present invention.
【図２】図１に示した本発明方法をさらに詳細に示す図
である。FIG. 2 shows the method of the invention shown in FIG. 1 in more detail.
【図３】この発明方法におけるフランジ面の延長工程を
示す図である。FIG. 3 is a view showing a step of extending a flange surface in the method of the present invention.
【図４】この発明方法における単純化したモデルを用い
て立体形状として姿見形状を作成する例を示す図であ
る。FIG. 4 is a diagram showing an example of creating a figure shape as a three-dimensional shape using a simplified model in the method of the present invention.
【図５】図４のモデルにおける上面を作成する工程を示
す図である。FIG. 5 is a diagram showing a step of creating an upper surface in the model of FIG. 4;
【図６】図４のモデルにおける側面を作成する工程を示
す図である。FIG. 6 is a diagram illustrating a process of creating a side surface in the model of FIG. 4;
【図７】図４のモデルにおける底面を作成する工程を示
す図である。FIG. 7 is a diagram illustrating a process of creating a bottom surface in the model of FIG. 4;
【図８】図４のモデルにおける各面を結合し立体を作成
する工程を示す図である。FIG. 8 is a diagram illustrating a process of creating a three-dimensional object by combining the surfaces in the model of FIG.
【図９】従来例による姿見を作成する場合の例を示す図
である。FIG. 9 is a diagram illustrating an example of creating a figure according to a conventional example.
１０，１０a ，１０b 姿見 １０a1 上面 １０a2 側面 １０a3 底面 Ｌ1 直交線 Ｌ2 ，Ｌ3 法線 Ｗ 部品 Ｗa ，Ｗb フランジ面 Ｗa1 端末線Ｗ10, 10 a, 10 b large mirror 10 a1 upper surface 10 a2 side 10 a3 bottom L 1 perpendicular line L 2, L 3 normal W part W a, W b flange surface W a1 terminal line W
Claims (6)
検査するための治具における姿見形状の作成方法であっ
て、 各フランジ面を延長し、延長された部分を含む各フラン
ジ面に対する姿見形状を作成し、余分な形状を切除する
ことにより姿見相互の結合部分を含む姿見形状を得るこ
とを特徴とする検査治具の姿見形状作成方法。1. A method for creating a figure shape in a jig for inspecting a part having a bent continuous flange surface, wherein each flange surface is extended, and a figure for each flange surface including the extended portion is provided. A shape creation method for an inspection jig, wherein a shape is created and a shape including a joint between the shapes is obtained by cutting off an excess shape.
端末線に対する直交線を作成し、この直交線の両端を通
ってフランジ面に接する法線を作成し、各法線をガイド
としたスイープ面を作成することを特徴とする、請求項
１に記載の検査治具の姿見形状作成方法。2. When the flange surface is extended, an orthogonal line to the terminal line of the flange surface is created, a normal line passing through both ends of the orthogonal line and in contact with the flange surface is created, and a sweep is performed using each normal line as a guide. The appearance shape creating method for an inspection jig according to claim 1, wherein a surface is created.
する立体形状であることを特徴とする、請求項１又は２
に記載の検査治具の姿見形状作成方法。3. The appearance according to claim 1, wherein the appearance is a three-dimensional shape having a top surface, a side surface, and a bottom surface.
How to create the appearance shape of the inspection jig described in.
指定ピッチごとの接線を作成し、これらの接線上のエッ
ジから隙間幅の距離に点列を作成し、その点列を結ぶ曲
線を作成し、各接線に上面幅の距離の点を作成し、それ
ぞれの点を結ぶ曲線を作成し、各接線を前記曲線でトリ
ムし、各接線と前記曲線とでＮ断面掃印面を作成し、こ
のＮ断面掃印面を板厚補正の値により上面の面法線方向
にオフセットすることを特徴とする、請求項３に記載の
検査治具の姿見形状作成方法。4. When creating an upper surface, tangents are created at specified pitches from edges of the reference plane, a series of points is created from the edges on these tangents at a distance of the gap width, and a curve connecting the series of points is formed. Create, create a point of the distance of the top width to each tangent, create a curve connecting each point, trim each tangent with the curve, create an N-section scanning surface with each tangent and the curve, 4. The method according to claim 3, wherein the N-section scanning surface is offset in the surface normal direction of the upper surface by the thickness correction value.
方向と逆方向に垂直線を作成し、垂直線と上面のエッジ
とでＮ断面掃印面を作成することを特徴とする、請求項
３に記載の検査治具の姿見形状作成方法。5. The method according to claim 1, wherein when creating the side surface, a vertical line is created at each end point of the upper surface in a direction opposite to the upper surface direction, and an N-section sweep surface is created by the vertical line and an edge of the upper surface. Item 3. A method for creating an appearance shape of an inspection jig according to Item 3.
幅となる位置に平面を作成し、底面と側面とで相関線を
作成し、それぞれをトリムすることを特徴とする、請求
項３に記載の検査治具の姿見形状作成方法。6. The method according to claim 1, wherein when the bottom surface is created, a plane is created at a position where both end points of the upper surface have side surface widths, a correlation line is created between the bottom surface and the side surface, and each is trimmed. 3. The method for creating an appearance shape of an inspection jig according to 3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16744499A JP3608103B2 (en) | 1999-06-14 | 1999-06-14 | How to create the appearance shape of the inspection jig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16744499A JP3608103B2 (en) | 1999-06-14 | 1999-06-14 | How to create the appearance shape of the inspection jig |
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| Publication Number | Publication Date |
|---|---|
| JP2000356501A true JP2000356501A (en) | 2000-12-26 |
| JP3608103B2 JP3608103B2 (en) | 2005-01-05 |
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| JP16744499A Expired - Fee Related JP3608103B2 (en) | 1999-06-14 | 1999-06-14 | How to create the appearance shape of the inspection jig |
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| JP (1) | JP3608103B2 (en) |
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| JP3608103B2 (en) | 2005-01-05 |
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