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Blind hole depth measurement

Date:2020-06-05 Source:Samsun Technology

Blind hole depth measurement in industrial manufacturing is very widely used, but the depth of some miniature blind holes is difficult to measure by contact due to the angle and position, etc. Due to the limitation of the contact probe diameter, the contact area is large, which will cause accuracy error and easy to cause secondary damage. The use of spectral confocal measurement method, through the dispersion of light, directly achieve non-destructive detection, measurement speed and accuracy have a lot of room for improvement, sampling frequency per second up to 10000HZ, very suitable for automated equipment use.

Blind hole depth measurement_heydanbo.com

Blind holes in metal parts with beveled surfaces, scanned by a spectral confocal sensor to produce a 2D morphology of the surface
 

Blind hole depth measurement_heydanbo.com

Extraction and analysis of oblique 3D contour maps

 

Blind hole depth measurement_heydanbo.com

Analysis of the beveled blind hole profile, where the blind hole depth dimensions can be clearly seen


 

Blind hole depth measurement_heydanbo.com

Blind hole 3D model drawing

 

Blind hole depth measurement_heydanbo.com

Waveforms of blind hole depth values

 

Blind hole depth measurement_heydanbo.com

Plan view of blind hole, measuring sample for M2 screw hole, depth approx. 5 mm

 

Blind hole depth measurement_heydanbo.com

Blind hole depth 5.24mm

 

Blind hole depth measurement_heydanbo.com

Blind hole 3D view



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