UTRECHT, Netherlands, Aug. 10, 2021 — Ultimaker, the global leader in professional 3D printing, today announced that Hänssler Group, German experts in sealing technology, plastics technology and additive manufacturing, uses the Ultimaker S5 and Kimya‘s ABS-ESD to cost-effectively produce 300 highly accurate sealant parts annually with anti-electrostatic properties. These parts, designed to be integrated within an existing production line, provide thermal protection between two components within a machine. The optimized material printing profile combined with the Ultimaker S5, result in parts with minimal batch-to-batch dimensional variation and untouched ESD performance.

3D model of Hänssler Isolator part (left), statical analysis of the six most representative dimensions of the model for 10 samples selected. Each Target dimension is highlighted in red dotted line (right)

Surface defects impact ESD performance, which would inevitably alter the dissipation of charges. Therefore, Hänssler’s parts must be reproducible for both ESD behaviour and dimensional accuracy, in addition to meeting visual and integrity requirements. To assess the surface quality of the prints, engineers performed a high-resolution 3D scanning analysis on a select number of parts, using a GOM Atos Core 3D scanner. This showed relative deviations between the ideal CAD model and the printed part. A pass/no pass filter for dimensional accuracy with a threshold of 0.3mm, enabled Hänssler to create an optimized ABS-ESD printing profile to print parts on the Ultimaker S5 with minimal tolerance limits.

Adrian Heinrich, Marketing Manager at Hänssler: "Besides the opportunity to create accurate and more complex parts with 3D printing, we also reported a reduction in material waste in the range of -80% and -60% in cost per part versus our traditional milling techniques. The accessibility and reliability of 3D printing and great support of Ultimakers’ ecosystem partner Kimya, made this project just the beginning."

Miguel Calvo, CTO at Ultimaker: "Ensuring high dimensional accuracy with 3D printing is key for companies that need to guarantee their customers every batch is identical and ESD safe. It should not matter when, where or who prints the parts. I’m proud of the close collaboration between Kimya and Ultimaker to make this happen for the Hänssler Group."

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