Heat Pump Print Cooling With Build Material Preheating
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Additive manufacturing processes face challenges in efficiently solidifying build materials while minimizing energy consumption and reducing unwanted effects like shrinkage or deformation, particularly when using energy to fuse materials.
Innovation Solution
A temperature regulating apparatus using a heat pump to preheat build materials by extracting heat from ambient air and transferring it to the materials, reducing the energy required for fusion and minimizing deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If energy is applied to preheat build material to temperature close to melting point, then fusion efficiency is improved, but energy consumption increases
Solution Approach 1:
The system preheats the build material before the fusion process by extracting heat from ambient air and transferring it to the material. This preliminary heating action reduces the temperature differential required during fusion, improving fusion efficiency while utilizing otherwise wasted ambient thermal energy
Solution Approach 2:
The system converts the typically wasted ambient air heat into a useful resource for preheating the build material. By capturing and redirecting thermal energy that would otherwise be lost to the environment, the system reduces overall energy consumption while maintaining effective fusion temperatures
2Manufacturing precision
If energy is applied to cause melting and fusion of build material, then object formation is achieved, but shrinkage and deformation occur
Solution Approach 1:
The build material is preheated to a temperature close to its melting point before the fusion process begins. This preliminary thermal preparation reduces the thermal shock and temperature gradient during fusion, minimizing shrinkage and deformation while ensuring complete object formation
Solution Approach 2:
The system controls and optimizes the temperature parameters of the build material before and during fusion. By maintaining the material at an optimal temperature range through preheating, the system achieves complete fusion while reducing thermal stresses that cause shrinkage and deformation
3Use of energy by moving object
If ambient air heat is extracted and transferred to build material, then energy consumption is reduced, but additional equipment complexity is introduced
Solution Approach 1:
The system introduces a heat transfer medium (such as a heat exchanger or fluid) that acts as an intermediary between the ambient air and the build material. This intermediary efficiently captures heat from ambient air and transfers it to the material, reducing energy consumption while managing the added equipment through integrated design
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
This approach reduces energy consumption and minimizes unwanted effects such as shrinkage or deformation in the generated objects by effectively preheating the build materials before fusion, improving the overall efficiency and quality of the additive manufacturing process.
Implementation Method 1
The heat pump 102 transfers the heat from the air source to a print material 108 so as to heat the print material 108
Implementation Method 2
The heat pump 102 extracts heat from the air to produce cooled air. The cooled air is then used to cool a component 106
Data Source
AI summary
In an example, a print device comprises: a heat pump (102) to extract heat from a fluid source to produce cooled fluid and to transfer the heat from the fluid source to heat a print material (108), wherein the cooled fluid is used to cool a component (106) of the print device.