Additive Manufacturing Table Thermal Insulation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Powder bed additive manufacturing machines face issues with porosity and deformation due to residual strain, leading to mechanical performance problems and potential equipment damage from high temperatures in the table.
Innovation Solution
A ceramic insulating coating applied to the table, combined with a motor for mechanical or ultrasonic vibration and a control unit for parameter management, prevents heat transfer and reduces porosity, while protecting equipment from thermal damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a motor is placed between the floor and the table to provide mechanical or ultrasonic vibration, then porosity between powder particles is reduced and texture becomes more homogeneous, but the equipment is exposed to high temperatures from the table
Solution Approach 1:
A ceramic coating layer is applied between the motor and the table to act as a thermal barrier. This intermediary layer blocks heat transfer from the hot table to the motor, protecting the equipment while allowing the motor to continue providing vibration for powder bed homogenization.
Solution Approach 2:
The ceramic coating is applied specifically to the regions of the table where motors are mounted or where heat exposure is most critical. This localized treatment protects vulnerable components without requiring insulation of the entire table structure.
2Device complexity
If no protective coating is applied to the table, then the structure remains simple, but the equipment is damaged by the heat of the table reducing lifecycle
Solution Approach 1:
A ceramic coating layer is applied between the motor and the table to act as a thermal barrier. This intermediary layer blocks heat transfer from the hot table to the motor, protecting the equipment while allowing the motor to continue providing vibration for powder bed homogenization.
3Reliability
If ceramic coating is applied to the table, then equipment is protected from heat, but manufacturing complexity increases
Solution Approach 1:
The ceramic coating is applied specifically to the regions of the table where motors are mounted or where heat exposure is most critical. This localized treatment protects vulnerable components without requiring insulation of the entire table structure.
Solution Approach 2:
The ceramic coating serves as a consumable protective layer that can be applied and renewed relatively easily. Rather than designing complex active cooling systems or heat shields, the solution uses a simple coating that protects equipment from thermal damage through material properties.
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 solution enhances the mechanical performance of manufactured parts by reducing porosity and extends equipment lifespan by shielding it from high temperatures, thereby reducing maintenance costs.
Implementation Method 1
a coating applied on the table, formed by using an insulating material, and preventing transfer of heat of the table to the table's surroundings
Implementation Method 2
a motor that provides mechanical vibration to powder particles
Implementation Method 3
a motor which provides mechanical or ultrasonic vibration movement
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
The present invention relates to a body (2); a table (3) which is located on the body (2) and allows powders (T) to be laid thereon by means of a laying apparatus (S); a layer (L) which is created by sintering or fusing the powders (T) laid on the table (3); a part (P) which is produced by depositing the layers (L) on top of each other using additive manufacturing method; and at least one heat source (4) which is located on the body (2) and applies heat treatment to the powders (T) laid on the table (3).