Rotatable Deposition Head for Consistent 3D Track Formation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Additive manufacturing systems face challenges in achieving precise control over material distribution and deposition, particularly in high-temperature mechanical systems with complex geometries, where asymmetrical mass capture and over/underbuild issues are common due to fixed nozzle orientations, making it difficult to maintain consistent track formation and adapt to non-linear toolpaths.
Innovation Solution
A rotatable deposition head that allows for controlled adjustment of nozzle positions relative to the substrate and toolpath by rotating about an axis, enabling dynamic adaptation to geometry and maintaining a constant material distribution volume, even on non-linear paths, using directed energy deposition processes like laser blown powder or wire fed techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a fixed nozzle orientation is used in additive manufacturing, then the device structure is simple, but the manufacturing precision deteriorates due to asymmetrical mass capture and over/underbuild issues on complex geometries
Solution Approach 1:
The deposition head is made rotatable about an axis perpendicular to the substrate, allowing dynamic adjustment of nozzle orientation during the additive manufacturing process. This enables the system to adapt to complex geometries and maintain consistent track formation by optimizing material distribution angles, resolving the contradiction between fixed structure simplicity and manufacturing precision on complex parts.
Solution Approach 2:
The system changes the orientation parameter of the deposition head by rotating it to different angles during manufacturing. This parameter adjustment allows optimization of material capture symmetry and track consistency on complex geometries, improving manufacturing precision without requiring multiple fixed deposition heads.
2Adaptability or versatility
If a fixed deposition head is used, then the device complexity is low, but the adaptability deteriorates when manufacturing non-linear toolpaths and complex geometries
Solution Approach 1:
The rotatable deposition head provides dynamic adaptability to non-linear toolpaths by adjusting its orientation during manufacturing. The rotation mechanism allows the deposition head to follow complex trajectories and maintain optimal material distribution angles, significantly improving adaptability to various geometries without requiring multiple specialized fixed heads.
3Manufacturing precision
If the nozzle position is fixed relative to the substrate, then the control system is simple, but the manufacturing precision deteriorates on complex geometries due to asymmetrical mass capture
Solution Approach 1:
The deposition head rotates dynamically during the additive manufacturing process to maintain symmetrical mass capture on complex geometries. This rotation capability allows the nozzle to adjust its position relative to the substrate, ensuring consistent material distribution and track formation precision that cannot be achieved with fixed nozzle positions.
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 enhances the precision and consistency of track formation, preventing asymmetrical mass capture and ensuring accurate deposition on complex geometries, allowing for effective repair and fabrication of high-temperature mechanical components by maintaining a constant material distribution volume along non-linear toolpaths.
Implementation Method 1
The additive manufacturing techniques may include directed energy deposition such as laser blown powder and wire fed directed energy deposition processes
Implementation Method 2
rotating the deposition head about an axis to control the material distribution volume, wherein the rotation of the deposition head adjusts a position of the one or more delivery nozzles of the deposition head relative to the substrate
Implementation Method 3
additive manufacturing may utilize powdered materials and may melt or sinter the powdered material together in predetermined shapes to form the three-dimensional structures
Implementation Method 4
melt or sinter the powdered material together in predetermined shapes
Data Source
AI summary
A method for additive manufacturing, the method including delivering, via one or more delivery nozzles of a deposition head, a feedstock material to a substrate, wherein the delivered material defines a material distribution volume on and/or adjacent the substrate; and rotating the deposition head about an axis to control the material distribution volume, wherein the rotation of the deposition head adjusts a position of the one or more delivery nozzles of the deposition head relative to the substrate