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公开(公告)号：EP1290405B1
公开(公告)日：2006-01-11
申请号：EP01943585.8
申请日：2001-06-08
CPC分类号： G01B7/34
摘要： The invention concerns a device for assessing the surface condition of a material and the method using same, based on the use of an element vibrating under the effect of a relative movement with respect to the surface to be characterised. Said method enables to analyse any surface with or without surface condition periodicity, whatever its constituting elements, its composition and as the case may be its surface treatment(s). The assessing device (1) comprises a support (2) whereon is mounted at least a vibrating element (3) capable of starting to vibrate when contacted with the said material surface (5), said vibrating element (3) being driven by a relative movement with respect to said material surface (5). The assessing device (1) further comprises means for measuring (4) natural vibratory modes of the vibrating element (3) designed to deliver a signal corresponding to said natural vibratory modes, a device for processing and analysing (6) said signal designed to cause to correspond to said signal one or several data characterising a surface condition, and an interface (7) designed to display said information or data. The invention is useful for any process requiring characterisation of a surface condition.
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公开(公告)号：EP1290405A1
公开(公告)日：2003-03-12
申请号：EP01943585.8
申请日：2001-06-08
CPC分类号： G01B7/34
摘要： The invention concerns a device for assessing the surface condition of a material and the method using same, based on the use of an element vibrating under the effect of a relative movement with respect to the surface to be characterised. Said method enables to analyse any surface with or without surface condition periodicity, whatever its constituting elements, its composition and as the case may be its surface treatment(s). The assessing device (1) comprises a support (2) whereon is mounted at least a vibrating element (3) capable of starting to vibrate when contacted with the said material surface (5), said vibrating element (3) being driven by a relative movement with respect to said material surface (5). The assessing device (1) further comprises means for measuring (4) natural vibratory modes of the vibrating element (3) designed to deliver a signal corresponding to said natural vibratory modes, a device for processing and analysing (6) said signal designed to cause to correspond to said signal one or several data characterising a surface condition, and an interface (7) designed to display said information or data. The invention is useful for any process requiring characterisation of a surface condition.
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