3D Magnetic Printing With Insulating Layers for Complex Shapes
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Solution Overview
Problem
The existing methods for manufacturing magnetic articles, such as bulk magnetic materials, are time-consuming, generate significant waste, and require repetitive processes, making them inefficient for producing complex shapes and precise magnetic devices.
Innovation Solution
A three-dimensional magnetic printer that uses an induction head assembly to heat magnetic materials to form alloy melts, which are then deposited onto a base in a predetermined pattern, with a coating apparatus forming insulating layers, allowing for the creation of complex magnetic articles with precise control over material properties and geometric forms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If bulk magnetic materials are manufactured by sintering, hot compaction, and bonding followed by cutting, grinding, or polishing, then magnetic articles can be produced, but the process is time-consuming and generates significant material waste
Solution Approach 1:
The patent applies preliminary action by depositing insulating layers between magnetic material layers during the 3D printing process itself, rather than performing post-processing operations. The insulating layers are integrated into the manufacturing process, eliminating subsequent cutting, grinding, or polishing steps that would otherwise be required to create final shapes from bulk magnetic materials.
Solution Approach 2:
The patent replaces mechanical manufacturing processes (sintering, hot compaction, bonding, cutting, grinding, polishing) with a 3D printing system that uses induction heating to melt and deposit magnetic materials layer by layer. This substitution eliminates the need for traditional mechanical manufacturing steps and reduces material waste significantly.
2Ease of manufacture
If bulk magnetic materials are manufactured by sintering, hot compaction, and bonding followed by cutting, grinding, or polishing, then magnetic articles can be produced, but the process generates significant waste of material
Solution Approach 1:
The patent changes the physical state and deposition parameters of magnetic materials by using induction heating to melt materials and deposit them in precise 3D patterns. This allows near-net-shape manufacturing where materials are deposited only where needed, eliminating the material waste associated with cutting and shaping bulk materials.
Solution Approach 2:
The patent performs preliminary action by integrating insulating layer formation into the 3D printing process itself, depositing insulation between magnetic layers as they are built. This eliminates post-processing material removal and reduces overall material waste.
3Productivity
If traditional bulk manufacturing methods are used, then magnetic articles can be produced, but the process is repetitive and inefficient for complex shapes
Solution Approach 1:
The patent transitions from 2D bulk material processing to 3D additive manufacturing, building magnetic articles layer by layer in three dimensions. This dimensional approach enables complex geometric shapes to be created directly without repetitive cutting and shaping operations, significantly improving productivity for complex geometries.
Solution Approach 2:
The patent applies local quality by depositing magnetic materials and insulating layers with precise spatial control, creating different material properties and structures in different locations of the final article. This allows complex geometries and tailored magnetic flux lines to be achieved through localized material deposition rather than uniform bulk processing.
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 printer enables the efficient production of complex magnetic articles with tailored magnetic flux lines, reducing material waste, time, and cost by creating near-net-shape magnetic components with improved material properties.
Implementation Method 1
an induction head assembly including an induction heater to heat magnetic material to form an alloy melt
Implementation Method 2
an induction heater to heat magnetic material to form an alloy melt in the vessel
Data Source
AI summary
A three-dimensional magnetic printer includes at least one induction head assembly including an induction heater to heat magnetic material to form an alloy melt and at least one nozzle operable to eject the alloy melt, a coating apparatus, and a base aligned with the at least one nozzle. The induction head assembly deposits at least one alloy melt layer and the coating apparatus forms at least one insulating layer onto the base in accordance with a predetermined pattern to form a three-dimensional article.