5-Axis Continuous Carbon Fiber 3D Printing Nozzle
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Solution Overview
Problem
Current additive manufacturing techniques face limitations in producing complex geometries and achieving uniform fiber reinforcement due to restricted movement in the Z-axis and limited fiber alignment, which affects the mechanical properties and structural integrity of printed parts.
Innovation Solution
A 5-axis continuous carbon fiber 3D printing system with a nozzle assembly featuring a radiative chamber, cooling chamber, and filament guide tube, enabling the deposition of fiber-reinforced polymers with precise temperature control and fiber alignment, allowing for arbitrary path movements and enhanced fiber reinforcement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional 3D printing with restricted Z-axis movement is used, then the device complexity is reduced, but the manufacturing precision and fiber alignment are deteriorated
Solution Approach 1:
The patent transitions from traditional 3-axis movement to 5-axis movement capability, adding two rotational axes (A-axis and B-axis) to enable arbitrary path movements and superior fiber alignment in three-dimensional space. This dimensional expansion allows the nozzle to approach the build plate from multiple angles while maintaining precise fiber orientation.
Solution Approach 2:
The system implements dynamic axis configuration where the A-axis and B-axis rotational capabilities are activated only when complex geometries or superior fiber alignment is required. The system can operate in simplified modes for less demanding applications, making the complexity adaptive rather than static.
2Strength
If continuous carbon fiber deposition with arbitrary path movements is implemented, then the mechanical properties are improved, but the device complexity increases
Solution Approach 1:
The nozzle assembly employs a nested structure where the filament guide tube is positioned within the radiative chamber, which itself is integrated into the cooling chamber. This nested arrangement allows multiple functional components to occupy overlapping spatial volumes, reducing the overall footprint and complexity of the assembly while maintaining all required functions.
Solution Approach 2:
The patent combines heating, cooling, and filament guidance functions into a single integrated nozzle assembly. The radiative chamber (heating) and cooling chamber are merged with the filament guide tube, allowing simultaneous temperature control and fiber alignment in one compact unit rather than separate systems.
3Manufacturing precision
If radiative chamber with heating is used for fiber deposition, then the manufacturing precision is improved, but the loss of energy increases
Solution Approach 1:
The patent introduces a cooling chamber as an intermediary component between the radiative heating chamber and the surrounding environment. This cooling chamber acts as a thermal buffer that captures and dissipates excess heat, preventing energy loss to the surroundings while maintaining the precise temperature control needed in the radiative chamber for accurate fiber deposition.
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 enables the production of parts with improved mechanical properties, increased fiber alignment, and complex geometries, overcoming the limitations of traditional 3D printing by allowing for continuous Z-movement and rotational axes, resulting in stronger and more durable printed structures.
Implementation Method 1
a radiative chamber comprising an outer structure of a nozzle end
Implementation Method 2
a cooling chamber coupled to the outer structure
Data Source
AI summary
A nozzle for depositing fiber-reinforced polymer having a radiative chamber comprising an outer structure of a nozzle end; a cooling chamber coupled to the outer structure; and a filament guide tube extending into the cooling chamber.