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The aim is to assess the effectiveness of non-contact 3D scanning for analyzing the quality of polymer gears.

March 29, 2026MaterialsOpen Access

Surface Topography and Tolerance Quality Evaluation of Polymer Gears Using Non-Contact 3D Scanning Method

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Evaluates surface quality of polymer gears in manufacturing, suggesting conventional methods excel in precision.

The aim is to assess the effectiveness of non-contact 3D scanning for analyzing the quality of polymer gears.
Used structured-light 3D scanner to capture point clouds of gears
Compared manufactured parts against CAD models for geometrical deviations
Applied standards DIN 3961 and ISO 25178 for quality evaluation
Conventional hobbing POM-C gears achieved superior precision (Q9–Q10)
SLS-printed gears showed intermediate quality (Q11)
MEX-printed gears had significant deviations exceeding Q12 and high roughness (Sa = 25 µm)

Muratović et al. (2026) studied this question.

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