Thermal Thickness Calculation for Molded Object Solidification
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Solution Overview
Problem
Existing methods for assessing the manufacturability of components formed through solidification in molds lack early feedback on potential manufacturing flaws, leading to costly design iterations and production delays.
Innovation Solution
A method to calculate the thermal thickness of a three-dimensional object's design, providing pre-manufacturing feedback by analyzing heat release through the cavity-mold interface, which is independent of detailed mold designs and injection molding process parameters, allowing for rapid assessment of manufacturability and potential defects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If detailed mold designs and injection molding process parameters are used in simulation, then manufacturing precision is improved, but device complexity and computation time increase
Solution Approach 1:
The patent extracts and focuses only on the critical thermal thickness parameter that determines solidification quality, separating it from the complex details of mold design and injection parameters. This allows accurate assessment of manufacturing flaws without requiring complete process specifications.
Solution Approach 2:
The method performs preliminary assessment of thermal thickness early in the design phase, before detailed mold design and process parameter optimization. This enables early identification of potential defects without waiting for complete process documentation.
2Manufacturing precision
If comprehensive simulation of mold filling and solidification is performed, then manufacturing precision is improved, but loss of time increases
Solution Approach 1:
The patent extracts the essential thermal thickness calculation from the comprehensive simulation process, enabling rapid assessment without performing complete mold filling and solidification simulations. This provides timely feedback while maintaining defect detection capability.
Solution Approach 2:
The method performs preliminary thermal thickness assessment quickly during the design phase, before committing to time-consuming detailed simulations or physical prototyping. This enables early design corrections without significant time investment.
3Productivity
If thermal thickness calculation is performed without detailed mold design, then productivity is improved, but measurement precision may worsen
Solution Approach 1:
The patent extracts the thermal thickness calculation to depend only on object geometry and material properties, removing the requirement for detailed mold design inputs. This enables rapid calculation while maintaining sufficient accuracy for defect prediction through the fundamental thermal conduction physics.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables early identification of design flaws and estimation of solidification time, reducing production costs and delays by providing quick, intuitive feedback on manufacturability and quality, allowing designers to make informed changes before prototyping.
Implementation Method 1
solving, using the processor, an equation representing heat release through the cavity-mold interface when the object is formed through solidification of the fluid in the cavity of the mold
Implementation Method 2
During formation of the object, a liquid-to-solid phase transition of the material being formed takes place
Data Source
AI summary
A computer-implemented method, computer program, system and apparatus for computing a thermal thickness and providing pre-manufacturing feedback on a design of a three-dimensional physical object that is to be formed by solidification of a fluid in a mold. An equation is solved, representing heat release through the cavity-mold interface when the object is formed. The thermal thickness and its uniformity provide insight in the manufacturability of the object, and may be used to automatically generate pre-manufacturing feedback. The thermal thickness and pre-manufacturing feedback are transmitted or displayed to a user.