JP5095211B2 - 座標測定機における誤差補正方法 - Google Patents
座標測定機における誤差補正方法 Download PDFInfo
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- JP5095211B2 JP5095211B2 JP2006527468A JP2006527468A JP5095211B2 JP 5095211 B2 JP5095211 B2 JP 5095211B2 JP 2006527468 A JP2006527468 A JP 2006527468A JP 2006527468 A JP2006527468 A JP 2006527468A JP 5095211 B2 JP5095211 B2 JP 5095211B2
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- 238000000034 method Methods 0.000 title claims description 37
- 238000012937 correction Methods 0.000 title claims description 3
- 239000000523 sample Substances 0.000 claims description 101
- 238000005259 measurement Methods 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 3
- 241000309551 Arthraxon hispidus Species 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- 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
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/042—Calibration or calibration artifacts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- 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
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/045—Correction of measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/30—Bars, blocks, or strips in which the distance between a pair of faces is fixed, although it may be preadjustable, e.g. end measure, feeler strip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/004—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points
- G01B5/008—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points using coordinate measuring machines
- G01B5/012—Contact-making feeler heads therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
a)真の測定値が決定されている疑似品を測定するステップ。これにおいて、前記表面検出装置と前記座標位置決め装置の前記アームとの間の相対移動が存在する。
b)ステップaで取得された前記測定値と前記疑似品の真の測定値との差に応じた誤差関数又はマップを発生させるステップ。
c)以降のワークピースを測定するステップ。これにおいて、前記表面検出装置と前記座標測定機の前記アームとの間の相対移動が存在する。
d)ステップbで発生された前記誤差関数又はマップを用いて、ステップcで取得された以降のワークピースの測定値を修正するステップ。
図15及び図16は機械式ブレーキの第4実施形態を示す。この実施形態は幾つかの構成要素を図13及び図14と共通に有し、類似の構成要素は同一の参照符号を用いる。
Claims (18)
- 関節プローブヘッドを較正する方法であって、前記関節プローブヘッドが座標位置決め装置のアームに取り付けられ、前記関節プローブヘッドに取り付けられた表面検出装置が、疑似品を検出するための位置及び読み取りされる位置に動かされる方法であり、以下のステップを任意の適当な順序で備える方法。
a)真の測定値が決定されている疑似品を測定するステップ。これにおいて、前記表面検出装置と前記座標位置決め装置の前記アームとの間の相対移動が存在する。
b)ステップaで取得された前記測定値と前記疑似品の真の測定値との差に応じた誤差関数又はマップを発生させるステップ。
c)以降のワークピースを測定するステップ。これにおいて、前記表面検出装置と前記座標測定機の前記アームとの間の相対移動が存在する。
d)ステップbで発生された前記誤差関数又はマップを用いて、ステップcで取得された以降のワークピースの測定値を修正するステップ。 - 前記疑似品の真の測定値が、被較正疑似品を用いることによって決定される請求項1記載の方法。
- 前記被較正疑似品が少なくとも一つの円形輪郭を備える請求項2記載の方法。
- 前記表面検出装置と前記座標位置決め装置の前記アームとの間に相対移動が存在しないとき、前記疑似品の真の測定値が、前記疑似品を測定することによって決定される請求項1記載の方法。
- 前記表面検出装置と前記座標位置決め装置の前記アームとの間に相対移動が存在しないとき、前記疑似品を測定するステップが低速で行われる請求項4記載の方法。
- 前記疑似品が、一連のワークピースにおける一つのワークピースからなる請求項4記載の方法。
- 前記疑似品が、前記ワークピースと近似する寸法及び位置を有した構成要素を有する請求項4記載の方法。
- 前記疑似品の構成要素が前記ワークピースの構成要素と異なり、ステップdの前記修正が補間によって行われる請求項7記載の方法。
- ステップaにおいて、前記座標測定機の前記アームが静止している請求項1乃至8いずれかに記載の方法。
- ステップaにおいて、前記座標測定機の前記アームが一定速度で移動している請求項1乃至7いずれかに記載の方法。
- 前記測定値が、連続の測定値からなる請求項1乃至10いずれかに記載の方法。
- 前記測定値が、不連続の測定値からなる請求項1乃至10いずれかに記載の方法。
- 前記表面検出装置が接触プローブである請求項1乃至12いずれかに記載の方法。
- 前記表面検出装置が非接触プローブである請求項1乃至12いずれかに記載の方法。
- ロック機構が、前記表面検出装置と前記座標位置決め装置の前記アームとの間の相対移動を規制する請求項4記載の方法。
- 前記関節プローブヘッドに、前記座標位置決め装置の前記アームに対して前記表面検出装置を回転させる少なくとも一つのモータが設けられ、前記少なくとも一つのモータが、前記表面検出装置と前記座標位置決め装置の前記アームとの間の相対移動を規制するために用いられる請求項4記載の方法。
- ステップa及びcが高速で実行される請求項1乃至16いずれかに記載の方法。
- ステップcにおいて、前記疑似品の真の測定値を決定するときと実質的に同一の測定経路が用いられる請求項4記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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GB0322115.7 | 2003-09-22 | ||
GBGB0322115.7A GB0322115D0 (en) | 2003-09-22 | 2003-09-22 | Method of error compensation |
PCT/GB2004/004039 WO2005028996A1 (en) | 2003-09-22 | 2004-09-22 | Method of error compensation in a coordinate measuring machine |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010207015A Division JP5676186B2 (ja) | 2003-09-22 | 2010-09-15 | 関節プローブヘッド |
Publications (2)
Publication Number | Publication Date |
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JP2007506113A JP2007506113A (ja) | 2007-03-15 |
JP5095211B2 true JP5095211B2 (ja) | 2012-12-12 |
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Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006527468A Expired - Fee Related JP5095211B2 (ja) | 2003-09-22 | 2004-09-22 | 座標測定機における誤差補正方法 |
JP2010207015A Expired - Fee Related JP5676186B2 (ja) | 2003-09-22 | 2010-09-15 | 関節プローブヘッド |
JP2012209973A Expired - Lifetime JP5715995B2 (ja) | 2003-09-22 | 2012-09-24 | 被較正疑似品 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010207015A Expired - Fee Related JP5676186B2 (ja) | 2003-09-22 | 2010-09-15 | 関節プローブヘッド |
JP2012209973A Expired - Lifetime JP5715995B2 (ja) | 2003-09-22 | 2012-09-24 | 被較正疑似品 |
Country Status (6)
Country | Link |
---|---|
US (3) | US7568373B2 (ja) |
EP (3) | EP1668317B1 (ja) |
JP (3) | JP5095211B2 (ja) |
CN (2) | CN100464156C (ja) |
GB (1) | GB0322115D0 (ja) |
WO (1) | WO2005028996A1 (ja) |
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2003
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US8001859B2 (en) | 2011-08-23 |
EP3333537A1 (en) | 2018-06-13 |
CN101469966B (zh) | 2012-12-05 |
JP2007506113A (ja) | 2007-03-15 |
JP2011022158A (ja) | 2011-02-03 |
WO2005028996A1 (en) | 2005-03-31 |
CN1856690A (zh) | 2006-11-01 |
EP2559965A1 (en) | 2013-02-20 |
CN101469966A (zh) | 2009-07-01 |
CN100464156C (zh) | 2009-02-25 |
US8939008B2 (en) | 2015-01-27 |
US7568373B2 (en) | 2009-08-04 |
EP3333537B1 (en) | 2020-04-01 |
JP2013050451A (ja) | 2013-03-14 |
EP1668317A1 (en) | 2006-06-14 |
US20110277534A1 (en) | 2011-11-17 |
US20100005852A1 (en) | 2010-01-14 |
EP2559965B1 (en) | 2018-03-14 |
US20060266100A1 (en) | 2006-11-30 |
JP5676186B2 (ja) | 2015-02-25 |
GB0322115D0 (en) | 2003-10-22 |
JP5715995B2 (ja) | 2015-05-13 |
EP1668317B1 (en) | 2018-01-31 |
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