3D scanners are also called 3D scanners, and today the popularity of 3D scanners plays an indispensable role in manufacturing. How to quickly master the operation method of 3D scanner has become a concern of many companies. Scanning data is not only related to the model of the device, but also related to the operation method of the operator. Even if the same 3D scanner scans the same object, the results of the data obtained by different operators will be different, and the operator must master the operation method. It also requires a certain amount of learning and repeated operations.
How to operate the 3D optical scanner:
A: Preparations in the early stage (mainly in three steps)
1: environment
When performing 3D scanning, ensure that scanning is performed in a stable environment (including light environment: avoiding strong light and backlighting; the stability of the 3D scanner, etc.) to ensure that the 3D scanning results are not affected by external factors.
2: Calibration
Before the 3D scanner scans, there is an important part, that is, calibration. To scan accurate 3D data, calibration is especially important. During the calibration process, the device and the scan mode are calculated according to the preset scan mode of the 3D scanner. The positional distance of the workpiece. When calibrating the scanner, adjust the 3D scanning environment of the device system settings according to the workpiece. The correct camera settings are related to the accuracy of the scanned data, so you must ensure that the exposure settings are correct. Perform calibrations in strict accordance with the manufacturer's instructions and carefully correct inaccurate 3D data. After calibration, the alignment can be checked by scanning a measurement object with known three-dimensional data with a 3D scanner, and if the accuracy of the scanner scan is found to be unachievable, the scanner needs to be recalibrated.
3: Surface treatment
Three-dimensional scanning also has requirements on the surface of the workpiece. It is difficult to scan a translucent material (glass, jade), shiny, or darker parts. This requires a thin layer of developer to be applied to the surface of the workpiece in order to better scan the three-dimensional features of the object and the data is more accurate. However, it should be noted that if the developer is sprayed too much, the thickness of the object will be superimposed, which will affect the scanning accuracy, and only a thin layer is needed.
Note: The developer will not cause damage to the surface of the object and the human body. After the scan is completed, it can be washed off with water.
B: start scanning work
After the preparation is completed, the workpiece can be scanned. Use 3D scanner to scan the workpiece from different angles for 3D data capture, change the object placement mode or adjust the direction of the 3D scanner camera to scan the object in all directions.
Three: post-processing work (mainly in two steps)
1: point cloud processing
Nowadays, the main popular 3D scanners on the market are point cloud automatic splicing methods. There is no need for manual splicing. After the surface of the workpiece is scanned, the system will automatically generate 3D point cloud images of the workpiece. However, in the later stage, the operator needs to remove noise (ie, excess point cloud) from the scanned point cloud data and smooth it.
2: Data conversion
After the point cloud is processed, the data is converted. Currently, the system software automatically converts the point cloud data into the STL file. The generated STL data can be interfaced with commercially available 3D software.