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Title:
MEASURING DEVICE FOR CURVATURE RADIUS OF LONG TOOL EDGE AND ITS METHOD
Document Type and Number:
Japanese Patent JP2008058133
Kind Code:
A
Abstract:

To provide a measuring device which measures the curvature radius of a long tool at high velocity and high precision, and also to provide its method.

A line camera 20 is set facing a long tool 11 in a direction orthogonal to the longitudinal direction. A camera stage 50 comprises: a X-axis moving stage 52 driving the line camera 20 in parallel to the longitudinal direction of the long tool; and a Y-axis moving stage 53 focusing the line camera on the long tool edge 11. The line camera 20 is mounted on the camera stage 50.


Inventors:
KO ISAMU
MOTOKI TAKENOBU
Application Number:
JP2006234981A
Publication Date:
March 13, 2008
Filing Date:
August 31, 2006
Export Citation:
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Assignee:
UNIV TOHOKU
International Classes:
G01B11/24
Domestic Patent References:
JPH0996513A1997-04-08
JP2005055217A2005-03-03
JP2003177101A2003-06-27
JP2006520473A2006-09-07
JP2001124700A2001-05-11
JP2005214866A2005-08-11
JP2006184032A2006-07-13
JP2006038476A2006-02-09
JP2005030963A2005-02-03
JPH06258032A1994-09-16
Attorney, Agent or Firm:
Kazuo Shigenobu
Hideo Shimizu
Yuichi Takagi
Yoshinao Nakano



 
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