Stereolithography Temperature Control for Hybrid Resin Homogeneity
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Solution Overview
Problem
Existing stereolithography machines are not adapted to use hybrid resins, leading to inhomogeneous resin matrices and poor solidification due to component separation, resulting in reduced quality and increased production rejects.
Innovation Solution
Incorporating a temperature control unit to maintain the resin container and support plate at a predetermined temperature, ensuring the resin remains homogeneous and optimally solidified, using heating elements and a temperature sensor to regulate the temperature within a suitable range for different resin types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If hybrid resins are used in known stereolithography machines, then the machine can process complex materials, but the resin components separate and form agglomerates causing inhomogeneous solidification
Solution Approach 1:
The patent applies parameter changes by introducing temperature control as a new parameter. The support plate is heated to a predetermined temperature (e.g., 20-40°C) to maintain the resin in a homogeneous state during the solidification process, preventing component separation and agglomerate formation in hybrid resins.
2Device complexity
If the resin is not maintained at a predetermined temperature, then the machine structure remains simple, but the resin separates and becomes inhomogeneous
Solution Approach 1:
The patent changes the thermal parameter of the resin by introducing a temperature control system with heating elements and temperature sensors. The support plate is maintained at a predetermined temperature to ensure resin homogeneity and prevent component separation during solidification.
3Device complexity
If known stereolithography machines are used without temperature control, then the device is simpler, but production rejects increase due to poor solidification
Solution Approach 1:
The patent introduces temperature control as a critical parameter to improve production reliability. By maintaining the support plate at a predetermined temperature, the resin solidifies uniformly without component separation, significantly reducing production rejects and improving quality consistency.
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 temperature control system prevents component separation in hybrid resins, ensuring consistent and optimal solidification, thereby improving the quality of three-dimensional objects produced and reducing production rejects.
Implementation Method 1
The container contains a plastic resin that polymerizes and, therefore, solidifies, if exposed to the radiation emitted by said emitter that is preferably a laser emitter
Implementation Method 2
maintaining the plate at a predetermined temperature means maintaining also the container and therefore the resin contained therein at said predetermined temperature by heat conduction
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention is a stereolithography machine (1) comprising the following: a container (3) suited to contain a fluid substance and comprising a transparent bottom (3a); a support plate (2) provided with a hole (2a) and designed to house the container (3) so that the transparent bottom (3a) faces the hole (2a); a radiation source (4) arranged below the support plate (2) and suited to convey a radiation beam towards the transparent bottom (3a) through the hole (2a); a temperature control unit (5) suited to maintain the support plate (2) at a predetermined temperature.