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公开(公告)号：US09857161B2
公开(公告)日：2018-01-02
申请号：US14419362
申请日：2014-09-03
发明人： Qibo Feng , Bin Zhang , Zhan Gao , Cunxing Cui
CPC分类号： G01B11/002 , G01B9/02003 , G01B9/02007 , G01B9/02019 , G01B11/02 , G01B11/03 , G01B11/24 , G01B11/26
摘要： A six degree of freedom laser simultaneous measurement system, wherein a laser emitting unit is separated from a fixed sensor head; the laser emitting unit is connected with the fixed sensor head by a single polarization maintaining fiber; a moving unit comprising the reflector and the beam splitter is mounted on the linear guide; utilizing of the single polarization maintaining fiber, which connects the laser emitting unit with the fixed sensor head, reduces the influence of heat generated by laser source on the measurement accuracy, and makes the system more compact and integrated. The six degree of freedom errors, including position error, horizontal and vertical straightness errors, pitch, raw and roll, can be measured simultaneously by only one incident light. The non-cable connection on the moving unit makes long-distance and in-situ measurement possible.
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公开(公告)号：US20170167849A1
公开(公告)日：2017-06-15
申请号：US14419362
申请日：2014-09-03
发明人： Qibo FENG , Bin Zhang , Zhan Gao , Cunxing Cui
CPC分类号： G01B11/002 , G01B9/02003 , G01B9/02007 , G01B9/02019 , G01B11/02 , G01B11/03 , G01B11/24 , G01B11/26
摘要： A six degree of freedom laser simultaneous measurement system, wherein a laser emitting unit is separated from a fixed sensor head; the laser emitting unit is connected with the fixed sensor head by a single polarization maintaining fiber; a moving unit comprising the reflector and the beam splitter is mounted on the linear guide; utilizing of the single polarization maintaining fiber, which connects the laser emitting unit with the fixed sensor head, reduces the influence of heat generated by laser source on the measurement accuracy, and makes the system more compact and integrated. The six degree of freedom errors, including position error, horizontal and vertical straightness errors, pitch, raw and roll, can be measured simultaneously by only one incident light. The non-cable connection on the moving unit makes long-distance and in-situ measurement possible.
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公开(公告)号：US20170314916A1
公开(公告)日：2017-11-02
申请号：US14895991
申请日：2015-01-22
发明人： Qibo Feng , Bin Zhang , Cunxing Cui
CPC分类号： G01B11/272 , G01B9/02003 , G01B9/02007 , G01B9/02021 , G01B11/002 , G01B21/042 , G01B2290/70
摘要： A laser measurement system for measuring up to 21 geometric errors, in which a six-degree-of-freedom geometric error simultaneous measurement unit and a beam-turning unit are mounted on either the clamping workpiece or the clamping tool, while an error-sensitive unit is mounted on the remaining one, the beam-turning unit has several switchable working postures and multi-component combinations in its installation state, it can split or turn the laser beam from the six-degree-of-freedom geometric error simultaneous measurement unit to the X, Y, and Z directions in a proper order, or the beam-turning unit can split or turn a beam from the error-sensitive unit to the six-degree-of-freedom geometric error simultaneous measurement unit. The present invention is of simple configuration and convenient operation. Up to 21 geometric errors of three mutual perpendicular linear motion guides are obtained by a single installation and step-by-step measurement.
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公开(公告)号：US09982997B2
公开(公告)日：2018-05-29
申请号：US14895991
申请日：2015-01-22
发明人： Qibo Feng , Bin Zhang , Cunxing Cui
CPC分类号： G01B11/272 , G01B9/02003 , G01B9/02007 , G01B9/02021 , G01B11/002 , G01B21/042 , G01B2290/70
摘要： A laser measurement system for measuring up to 21 geometric errors, in which a six-degree-of-freedom geometric error simultaneous measurement unit and a beam-turning unit are mounted on either the clamping workpiece or the clamping tool, while an error-sensitive unit is mounted on the remaining one, the beam-turning unit has several switchable working postures and multi-component combinations in its installation state, it can split or turn the laser beam from the six-degree-of-freedom geometric error simultaneous measurement unit to the X, Y, and Z directions in a proper order, or the beam-turning unit can split or turn a beam from the error-sensitive unit to the six-degree-of-freedom geometric error simultaneous measurement unit. The present invention is of simple configuration and convenient operation. Up to 21 geometric errors of three mutual perpendicular linear motion guides are obtained by a single installation and step-by-step measurement.
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