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Additive Manufacturing CT scanning is becoming an indispensable quality inspection method and design aid for additive manufacturing (3D printing)

As a brand-new additive manufacturing technology, 3D printing is breaking through the various limitations of traditional processing technology. In particular, it can greatly reduce the manufacturing cost of complex structural parts and become one of the most popular product manufacturing technologies. However, as the internal structure of 3D printed products becomes more and more complex, and the manufacturing precision becomes higher and higher, the quality control of its internal defects and various sizes of the structure has become an urgent problem to be solved. In addition, how to improve the 3D printing front-end model acquisition method is also the focus of the industry.
3D打印-工业CT

Application

First of all, three-dimensional CT imaging technology can become an effective powder raw material testing method, which can quantitatively count the hollow rate in the powder particles and the corresponding particle size, sphericity and other information.


It can directly observe defects such as internal pores and fractures of the printed product, and can further quantitatively count the overall defect rate of the sample and the characteristic parameters of each defect, such as volume, equivalent diameter, etc., to provide reliable reference data for 3D printing manufacturing process parameters. In addition, the residual powder inside the sample can also be tested and evaluated.


Relying on the function of comparing and analyzing the CAD design model and CT scan data (digital-analog comparison), the deviation between the two is visually expressed in different colors, and the dimensional error is accurately measured and counted.


Through the three-dimensional CT test of the unknown structure sample, the internal structure is obtained, and the CT scan data is formatted to obtain the reverse design file, which can be input into a 3D printer for production of the corresponding product, greatly shortening the manufacturing cycle.

Images

  • Metal 3D Printing
  • Residual metal powder
  • Wall thickness analysis
  • STL data conversion
  • Wall thickness analysis
  • Scan/CAD data comparison

Video

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