Embedded CAD Kernel for 3D Printer Data Processing
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Solution Overview
Problem
Current 3D printing systems face design flaws leading to fragile objects, slow processing, and inefficiencies due to the disjointed and error-prone nature of existing design-to-manufacture processes, particularly with formats like STL, which lack integration of properties like PMI and material specifications.
Innovation Solution
Incorporating an embedded CAD system, such as a Parasolid kernel, and utilizing the JT file format within 3D printers to enable direct interpretation and processing of CAD data, including PMI and layer information, allowing for intelligent and flexible manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional STL file format is used for 3D printing, then the printing process is simple, but the design accuracy and manufacturing precision are compromised due to loss of CAD data integrity
Solution Approach 1:
The patent introduces an intermediary conversion process that translates STL data back into CAD-native formats (Parasolid, ACIS, or SolidWorks) using embedded CAD kernels. This mediator restores the rich geometric and manufacturing information lost in STL format, enabling precise manufacturing while maintaining workflow simplicity.
2Manufacturing precision
If embedded CAD system is integrated into 3D printer, then the manufacturing precision and design accuracy are improved, but the device complexity increases
Solution Approach 1:
The patent merges the CAD processing system directly into the 3D printer hardware, combining design interpretation and manufacturing execution in a single integrated platform. This eliminates the need for separate workstations and software, reducing overall system complexity while maintaining high manufacturing precision.
Solution Approach 2:
The embedded CAD system provides multi-functionality by enabling the printer to natively interpret multiple CAD formats (Parasolid, ACIS, SolidWorks), perform design validation, and execute manufacturing operations. This universal capability replaces multiple separate tools, justifying the increased device complexity through enhanced versatility.
3Loss of information
If JT file format with rich CAD data is used, then the information completeness is improved, but the processing speed and productivity are reduced
Solution Approach 1:
The system performs preliminary validation and interpretation of rich JT file format data using the embedded CAD kernel before the actual printing process. By pre-processing and verifying the complex geometric and manufacturing information upfront, the system ensures complete information utilization while optimizing the subsequent manufacturing execution speed.
4Adaptability or versatility
If design and manufacturing are coupled in traditional systems, then the workflow is integrated, but the flexibility and adaptability to new materials are reduced
Solution Approach 1:
The patent segments the design and manufacturing workflows into independent but interconnected modules. The embedded CAD system handles design interpretation independently, while the printing subsystem executes manufacturing independently. This segmentation allows each module to be optimized separately and easily adapted to new materials or processes without redesigning the entire system.
Data Source
AI summary
A 3D printer system and related methods. The 3D printer system includes a processor and an accessible memory. The accessible memory includes a CAD kernel and a product file that defines a CAD solid model. The 3D printer system is particularly configured to execute the CAD kernel using the processor, process the product file using the CAD kernel to produce the CAD solid model, and produce a solid physical object corresponding to the CAD solid model.