JP2019158541A - 計測用x線ct装置、及び、その量産ワーク測定方法 - Google Patents
計測用x線ct装置、及び、その量産ワーク測定方法 Download PDFInfo
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- 239000000463 material Substances 0.000 description 13
- 238000002591 computed tomography Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
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- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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Abstract
Description
Δα …X線CT測定の形状や材質に起因する誤差
Δβ …ワーク形状の個体差
ΔRo=Rco−Rxo …(1)
ΔRi=Rci−Rxi …(2)
R'wo=Rwo+ΔRo …(3)
R'wi=Rwi+ΔRi …(4)
12…X線源
13…X線
14…X線検出器
16…回転テーブル
60…三次元(座標)測定機(CMM)
72b…測定子
W…ワーク
Claims (3)
- 回転テーブル上に配置したワークを回転させながらX線を照射し、その投影画像を再構成してワークのボリュームデータを生成するようにした計測用X線CT装置において、
予め値付けされた、所定のワークのボリュームデータをマスターデータとして記憶する手段と、
前記所定のワークと同じ条件で、量産ワークのボリュームデータを得る手段と、
該ボリュームデータを測定して量産ワークのX線CT測定値を得る手段と、
前記マスターデータを用いて量産ワークのX線CT測定値を補正する手段と、
を備えたことを特徴とする計測用X線CT装置。 - 前記所定のワークが、量産ワークの一つであることを特徴とする請求項1に記載の計測用X線CT装置。
- 回転テーブル上に配置したワークを回転させながらX線を照射し、その投影画像を再構成してワークのボリュームデータを生成するようにした計測用X線CT装置により量産ワークを測定する際に、
所定のワークのボリュームデータに値付けしてマスターデータとして記憶し、
前記所定のワークと同じ条件で、量産ワークのボリュームデータを得、
該ボリュームデータを測定して量産ワークのX線CT測定値を得て、
前記マスターデータを用いて量産ワークのX線CT測定値を補正することを特徴とする計測用X線CT装置の量産ワーク測定方法。
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JP2018044787A JP2019158541A (ja) | 2018-03-12 | 2018-03-12 | 計測用x線ct装置、及び、その量産ワーク測定方法 |
US16/291,699 US11262319B2 (en) | 2018-03-12 | 2019-03-04 | Measuring X-ray CT apparatus and production work piece measurement method |
DE102019001553.3A DE102019001553A1 (de) | 2018-03-12 | 2019-03-05 | Röntgen-ct-messapparat und produktions-werkstück-messverfahren |
CN201910183519.0A CN110261415B (zh) | 2018-03-12 | 2019-03-12 | 测量用x射线ct设备以及批量生产工件测量方法 |
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JP2018044787A JP2019158541A (ja) | 2018-03-12 | 2018-03-12 | 計測用x線ct装置、及び、その量産ワーク測定方法 |
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JP (1) | JP2019158541A (ja) |
DE (1) | DE102019001553A1 (ja) |
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US11733181B1 (en) * | 2019-06-04 | 2023-08-22 | Saec/Kinetic Vision, Inc. | Imaging environment testing fixture and methods thereof |
CN112964738B (zh) * | 2021-01-29 | 2022-11-22 | 山东大学 | 一种工业ct快速扫描系统及方法 |
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JP3427046B2 (ja) | 2000-08-29 | 2003-07-14 | 株式会社日立製作所 | 3次元寸法計測装置及びその計測方法 |
JP2004012407A (ja) | 2002-06-11 | 2004-01-15 | Hitachi Ltd | 透過画像提供システムおよびx線ct・dr撮影サービスシステム |
JP6815140B2 (ja) | 2016-09-12 | 2021-01-20 | マークテック株式会社 | 磁粉探傷装置、及び磁粉探傷方法 |
JP6767045B2 (ja) | 2016-11-02 | 2020-10-14 | 株式会社ミツトヨ | 計測用x線ct装置と座標測定機の座標合せ治具 |
JP6901733B2 (ja) * | 2017-04-21 | 2021-07-14 | 株式会社島津製作所 | 三次元形状測定用x線ct装置の長さ測定誤差評価用器物 |
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- 2019-03-04 US US16/291,699 patent/US11262319B2/en active Active
- 2019-03-05 DE DE102019001553.3A patent/DE102019001553A1/de active Pending
Non-Patent Citations (1)
Title |
---|
P. MULLER, J. HILLER, Y. DAI, J.L. ANDREASEN, H.N. HANSEN, L. DE CHIFFRE: "Estimation of measurement uncertainties in X-ray computed tomography metrology using the substitutio", CIRP JOURNAL OF MANUFACTURING SCIENCE AND TECHNOLOGY, vol. Volume 7, Issue 3, JPN7022003642, 2014, pages 222 - 232, ISSN: 0004839059 * |
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DE102019001553A1 (de) | 2019-09-12 |
CN110261415A (zh) | 2019-09-20 |
US20190277780A1 (en) | 2019-09-12 |
US11262319B2 (en) | 2022-03-01 |
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