Thermostatic Section for 3D Printer Driving Mechanism
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Solution Overview
Problem
The existing lamination molding techniques face challenges in maintaining accuracy due to thermal deformation of the driving mechanism caused by heat transfer from the molding table, which affects the precision of the molded product.
Innovation Solution
A lamination molding apparatus with a thermostatic section between the molding table and the driving mechanism, where the temperature of this section is maintained constant, effectively suppressing thermal deformation and improving accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the molding table temperature is rapidly raised or cooled to reduce setup time and improve productivity, then the productivity is improved, but thermal deformation occurs in the driving mechanism causing deterioration of manufacturing precision
Solution Approach 1:
The patent divides the temperature control system into two independent parts: the molding table can be rapidly heated or cooled for productivity, while the driving mechanism is isolated by a thermostatic section that maintains constant temperature. This segmentation allows each part to optimize its function without compromising the other.
Solution Approach 2:
A thermostatic section is introduced as an intermediary component between the molding table and the driving mechanism. This intermediary absorbs and isolates thermal effects, allowing the molding table to undergo temperature changes while protecting the driving mechanism from thermal deformation.
2Reliability
If the molding table is heated to high temperature for sintering metal powder, then the sintering quality is improved, but heat transfers to the driving mechanism causing thermal deformation and reducing manufacturing precision
Solution Approach 1:
The thermostatic section serves as a thermal intermediary that allows the molding table to reach high temperatures for quality sintering while preventing heat transfer to the driving mechanism, thus maintaining positioning accuracy.
Solution Approach 2:
The patent extracts the thermal function from the driving mechanism by placing the thermostatic section between the heat source (molding table) and the driving mechanism, effectively removing the harmful thermal effect from the positioning system.
3Temperature
If a base stage with cooling pipe or heat pipe is used to cool the molding table, then the cooling efficiency is improved, but thermal displacement of the driving mechanism cannot be controlled at satisfying level
Solution Approach 1:
The patent introduces a thermostatic section as a specialized intermediary that not only cools the molding table but also actively maintains constant temperature in the driving mechanism region, providing dual functionality that simple cooling pipes cannot achieve.
Solution Approach 2:
The thermostatic section actively controls and maintains the temperature parameter of the driving mechanism at a constant value, preventing thermal expansion or contraction that would cause displacement, while still allowing the molding table to undergo temperature changes.
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
The constant temperature thermostatic section reduces thermal deformation, enhancing the accuracy of the lamination molding process by minimizing heat transfer to the driving mechanism, thereby improving the precision of the molded product.
Implementation Method 1
such temperature change can cause thermal deformation in the driving mechanism of the molding table
Implementation Method 2
the base stage supports a cooling pipe or a heat pipe
Data Source
AI summary
A lamination molding apparatus which can improve the lamination molding accuracy, is provided. A lamination molding apparatus, including a chamber covering a desired molding region, the chamber being filled with an inert gas of a predetermined concentration; and a molding table provided in the molding region, the molding table being configured so as to be capable of being moved vertically by a driving mechanism; wherein the molding table is configured to be temperature-controllable; and a thermostatic section is provided in between the molding table and the driving mechanism or in the driving mechanism, temperature of the thermostatic section being maintained substantially constant, is provided.