Abstract
Image detection method for carbide tool wear based on laser grating projection is presented. Phase information in undeformed areas that belongs to object shadow and data regression with the least-squares iteration are used to obtain phase distribution parameters on the ideal reference plane. For unnecessary to collect deformed grating images of object reference plane, it reduces operation steps and takes no solution for the phase of object reference plane. Experiments show that the method realizes the online measurement by detecting the parameters during the time slots caused by replacing tools of numerical control machine. Also, the measurement data of maximum width, maximum area, circumference and maximum depth in z direction of wear region come to the results that measurement standard deviation and relative accuracy are no more than 0.01. Therefore, this method is a precise 3D profilomctry of wear area.
| Original language | English |
|---|---|
| Pages (from-to) | 390-395 |
| Number of pages | 6 |
| Journal | Guangxue Jingmi Gongcheng/Optics and Precision Engineering |
| Volume | 15 |
| Issue number | 3 |
| State | Published - Mar 2007 |
Keywords
- Charge coupled device
- Grating projection
- Laser technique
- Three dimensional profilometry
- Tool wear
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