2025 Vol.8 Oct.N05

• Title: Multi-Format Collaborative Error Compensation Technology for Mechanical 3D Printing
• Name: Yize Wang
• Company: Chair for Digital Additive Production DAP, RWTH Aachen, Campus-Boulevard 73, Aachen, Germany
• Abstract:

   Conventional 3D printing error compensation methods typically involve measuring the actual dimensions of printed parts using equipment, comparing them with theoretical design dimensions to derive error values, and then manually adjusting print paths or device parameters based on geometric relationships. However, this approach often overlooks multi-format data fusion during printing and complex error coupling relationships, resulting in poor compensation accuracy. To address this, a multi-format collaborative mechanical 3D printing error compensation technique is proposed. By integrating model data from multiple formats such as STL and OBJ, analyzing geometric features of single-layer solid contours, and combining printing process parameters, potential errors are predicted. A geometric adaptive error compensation method is employed to correct errors in machining contour segments. Experimental models encompassing diverse geometric features are designed, and curve contours are fitted using polyline approximation. A training dataset incorporating printing parameters and error parameters is constructed. A residual neural network is trained using the mean squared error loss function to output error compensation values. Experimental validation confirms the proposed method's compensation accuracy. Comparative test results demonstrate that after applying the proposed error compensation, the average fit between the printed trajectory and the desired trajectory reaches 0.96, achieving highly satisfactory compensation performance.

  
  

• Keyword: Multi-format collaboration; Machinery; 3D printing; Error compensation; Compensation accuracy;
• DOI: 10.12250/jpciams2025091007
• Citation form: Yize Wang.Multi-Format Collaborative Error Compensation Technology for Mechanical 3D Printing[J]. Computer Informatization and Mechanical System,2025,Vol.8,pp.

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