CT scanning can evaluate cavities, wall thickness and other features. This semitransparent CT representation shows inner structures of a topology optimized cylinder head.
Additive manufacturer FIT has added a computer tomography (CT) system to its inventory of advanced manufacturing technology, as well as an in-house QA department. Having in-house CT scanning allows for high-precision measuring and visualization of inner and outer structures, providing customers with greater confidence in the AM parts produced by FIT, the company says
The strategic use of CT in AM helps to increase product quality and optimize the production processes. As a result of this noncontact and nondestructive measurement and analysis of inner structures, FIT is able to increase process stability for its more than 40 manufacturing systems. The CT system allows FIT to identify or verify the existence of pores, cavities, fissures, form deflection, displacement, shape distortion etc. Evaluations such as design versus part comparison or analysis of wall thickness are visualized in color and serve as proof of specified product requirements. For example, color analysis can illustrate geometric flaws when comparing the scan data of the produced part to the original CAD model, and dimensional tolerances can be reliably verified even for complex and bionic structures.
“The adoption of in-house CT scanning allows for high precision quality control in-line with our manufacturing processes, increasing efficiency and reducing lead time for our customers. At the same time, production processes can be improved continuously and significantly through this same data evaluation”, explains Carl Fruth, founder and CEO of FIT.
FIT’s CT scanner offers high resolution ranging to 5 microns at a maximum acceleration voltage of 240 kV. 3D analysis is compliant to VDI 2630. The CT scanner is equipped with a reflection radiation and target power of 300 W. Maximum size of the parts is 550 mm in diameter by 700 mm.