JP5543476B2 - 工具衝突防止システム及び工具衝突防止方法 - Google Patents
工具衝突防止システム及び工具衝突防止方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 27
- 238000005259 measurement Methods 0.000 claims description 62
- 238000012545 processing Methods 0.000 description 10
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2208—Detection or prevention of collisions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4061—Avoiding collision or forbidden zones
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4069—Simulating machining process on screen
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35316—Interference checking between tool, machine, part, chuck, machining range
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37064—After digitizing, reconstruct surface by interpolating the initial mesh points
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Numerical Control (AREA)
Description
Claims (4)
- 工作機械の工具によって加工されるワークを含むワーク部を予め三次元計測し、その計測結果に基づいて、前記工具と、前記ワーク部とが衝突するか否かの衝突判定をする工具衝突防止システムであって、
レーザを射出するレーザ光源を有し、前記レーザにより前記ワーク部の形状を三次元計測し、X‐Y平面上の各位置におけるZ軸方向の計測値を取得する計測手段と、
前記計測手段の計測結果に基づいて前記ワーク部の形状を決定する形状決定手段と、
を備え、
前記形状決定手段には、前記計測手段の計測結果に前記ワーク部の形状が計測されずに前記Z軸方向の計測値が取得されていない未計測領域が含まれている場合に、前記未計測領域に対し前記ワーク部の外形としてとり得る最大の大きさとなるように前記ワーク部の形状を補間する形状補間手段が含まれ、
前記形状補間手段は、前記未計測領域に隣接する各位置における前記Z軸方向の計測値のうちの最大値を前記最大の大きさとして決定する工具衝突防止システム。 - 前記形状補間手段は、前記計測手段により取得された三次元座標データの一部が欠落して、前記未計測領域を示す欠落座標データが含まれている場合に、その欠落座標データに隣接する、データの欠落がない隣接座標データに基づいて補間座標データを決定し、前記欠落座標データに前記補間座標データを補間することで、前記ワーク部の形状を補間する請求項1の工具衝突防止システム。
- 前記形状補間手段は、前記欠落座標データに隣接する隣接座標データ群を比較して、前記隣接座標データ群のうち最大値を有する隣接座標データを補間座標データとして決定する請求項2の工具衝突防止システム。
- 工作機械の工具によって加工されるワークを含むワーク部を予め三次元計測し、その計測結果に基づいて、前記工具と、前記ワーク部とが衝突するか否かの衝突判定をする工具衝突防止方法であって、
レーザ光源から射出されたレーザにより前記ワーク部の形状を三次元計測し、X‐Y平面上の各位置におけるZ軸方向の計測値を取得する計測工程と、
前記計測工程の計測結果に基づいて前記ワーク部の形状を決定する形状決定工程と、
を備え、
前記形状決定工程には、前記計測工程の計測結果に前記ワーク部の形状が計測されずに前記Z軸方向の計測値が取得されていない未計測領域が含まれている場合に、前記未計測領域に対し前記ワーク部の外形としてとり得る最大の大きさとなるように前記ワーク部の形状を補間する形状補間工程が含まれ、
前記形状補間工程では、前記未計測領域に隣接する各位置における前記Z軸方向の計測値のうちの最大値を前記最大の大きさとして決定する工具衝突防止方法。
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PCT/JP2010/068977 WO2012056520A1 (ja) | 2010-10-26 | 2010-10-26 | 工具衝突防止システム及び工具衝突防止方法 |
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JPWO2012056520A1 JPWO2012056520A1 (ja) | 2014-02-24 |
JP5543476B2 true JP5543476B2 (ja) | 2014-07-09 |
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JP2011532381A Active JP5543476B2 (ja) | 2010-10-26 | 2010-10-26 | 工具衝突防止システム及び工具衝突防止方法 |
Country Status (3)
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JP (1) | JP5543476B2 (ja) |
KR (1) | KR20130086356A (ja) |
WO (1) | WO2012056520A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2998066B1 (en) * | 2014-09-19 | 2017-06-14 | Mikron Agie Charmilles AG | High voltage crash prevention device for machine tools |
US10515259B2 (en) * | 2015-02-26 | 2019-12-24 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for determining 3D object poses and landmark points using surface patches |
KR102336214B1 (ko) | 2017-06-07 | 2021-12-09 | 두산공작기계 주식회사 | 공작 기계의 공구 오프셋 측정 방법 및 장치 |
JP6902208B2 (ja) | 2017-11-14 | 2021-07-14 | オムロン株式会社 | 把持方法、把持システム及びプログラム |
EP4223451A4 (en) * | 2020-09-30 | 2024-06-12 | Nikon Corporation | PROCESSING SYSTEM AND DISPLAY DEVICE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000193433A (ja) * | 1998-12-28 | 2000-07-14 | Suzuki Motor Corp | 三次元形状を計測する方法および装置ならびに三次元形状計測用プログラムを記憶した記憶媒体 |
JP2004009293A (ja) * | 2003-08-11 | 2004-01-15 | Toshiba Mach Co Ltd | 工作機械の加工適否チェック方法 |
JP2004317126A (ja) * | 2003-04-10 | 2004-11-11 | Renesas Technology Corp | はんだ印刷装置 |
JP2006064385A (ja) * | 2004-08-24 | 2006-03-09 | Ricoh Co Ltd | 形状計測装置および形状計測方法 |
-
2010
- 2010-10-26 WO PCT/JP2010/068977 patent/WO2012056520A1/ja active Application Filing
- 2010-10-26 KR KR1020137010361A patent/KR20130086356A/ko not_active Application Discontinuation
- 2010-10-26 JP JP2011532381A patent/JP5543476B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000193433A (ja) * | 1998-12-28 | 2000-07-14 | Suzuki Motor Corp | 三次元形状を計測する方法および装置ならびに三次元形状計測用プログラムを記憶した記憶媒体 |
JP2004317126A (ja) * | 2003-04-10 | 2004-11-11 | Renesas Technology Corp | はんだ印刷装置 |
JP2004009293A (ja) * | 2003-08-11 | 2004-01-15 | Toshiba Mach Co Ltd | 工作機械の加工適否チェック方法 |
JP2006064385A (ja) * | 2004-08-24 | 2006-03-09 | Ricoh Co Ltd | 形状計測装置および形状計測方法 |
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WO2012056520A1 (ja) | 2012-05-03 |
KR20130086356A (ko) | 2013-08-01 |
JPWO2012056520A1 (ja) | 2014-02-24 |
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