Detachable Distortion Compensator for Additive Manufacturing Thermal Control
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Solution Overview
Problem
Additive manufacturing processes, such as 3D printing, face challenges with thermal distortion leading to component deformation due to shrinkage, which existing support structures inadequately address, especially in the x and y directions, and often result in damage when support structures are removed.
Innovation Solution
A detachable distortion compensator is arranged at a minimal distance from the component to block thermal movement, providing a counterforce against thermal stresses, which can be designed with varying material thickness and orientation to absorb forces in the x, y, and z directions, and can be made from the same material or harder materials like metal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If support structures are formed together with the component to minimize thermal distortion, then manufacturing precision is improved, but the support structures damage the component when removed
Solution Approach 1:
The support structure is divided into a removable distortion compensator portion and a permanent support portion. The distortion compensator is segmented from the main support structure, allowing it to be removed after serving its purpose of preventing thermal distortion during manufacturing.
Solution Approach 2:
The distortion compensator acts as an intermediary element between the support structure and the component. It provides the necessary counterforce to thermal stresses during manufacturing, then can be removed without damaging the component, mediating between the need for support and the need to avoid damage.
2Manufacturing precision
If support structures are used to prevent thermal distortion, then manufacturing precision is improved, but the manufacturing process complexity increases
Solution Approach 1:
The distortion compensator is merged with the support structure as an integrated system. The compensator works together with the support structure to prevent thermal distortion, combining multiple functions into a unified manufacturing approach.
Solution Approach 2:
The distortion compensator is designed as a temporary element that is discarded after manufacturing. It serves its purpose during the manufacturing process to prevent thermal distortion, then is removed and discarded, recovering the component without permanent support attachments.
3Stability of the object's composition
If traditional support structures provide support in the z-direction, then vertical stability is improved, but lateral deformations in x and y directions are not reduced
Solution Approach 1:
The distortion compensator extends support functionality from the traditional z-direction (vertical) into the lateral x and y directions. By positioning the compensator to contact the component's lateral surfaces, it provides stabilizing forces in previously unsupported dimensions, preventing lateral thermal deformations.
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 solution minimizes component deformation by blocking thermal-induced movements, allowing for the production of complex structures with low manufacturing tolerance and enabling the connection of thin structures to heavy ones without deformation, and can be easily detached without damaging the component.
Implementation Method 1
When a component produced in an additive manufacturing process cools, thermal processes within the component cause shrinkage and, as a result, tensions within the component. This can lead to at least some of the component's own movement, i.e., thermal distortion.
Implementation Method 2
A raw material, such as a plastic filament, is heated to form it into the specific component and then cooled.
Data Source
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AI summary
The present invention relates to a production method (100) for producing a component (201, 403, 501, 600), in which a component (201, 403, 501, 600), is layered on a substrate in an additive manufacturing process and a distortion compensator (207, 209, 503, 609) is detachably arranged on the component (201, 403, 501, 600) in order to block a self-movement of the component (201, 403, 501, 600) caused by thermal distortion. The present invention also relates to a distortion compensator (207, 209, 503, 609), a component system (200, 500) and a computer-implemented method (300).