Rotary 3D Powder Modeling Layout for Shorter Build Time
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Solution Overview
Problem
Current three-dimensional modeling techniques are inefficient in reducing modeling time, as operations such as material supply, preheating, and energy application are typically sequential, leading to prolonged processing times.
Innovation Solution
A three-dimensional modeling device with a rotation drive unit and multiple processing units around a rotary axis, allowing for parallel execution of material supply, preheating, and energy application operations, thereby optimizing the modeling process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If sequential operations (material supply, preheating, energy application) are used in conventional three-dimensional modeling, then the device structure is simple, but the modeling time is prolonged
Solution Approach 1:
The processing section is divided into multiple processing units (first processing unit, second processing unit, third processing unit) that operate in parallel around the rotary axis. Each unit performs material supply, preheating, and energy application operations simultaneously on different portions of the powder material, thereby reducing overall modeling time while maintaining manageable device complexity through modular architecture
Solution Approach 2:
The invention transitions from sequential one-dimensional processing to parallel three-dimensional processing by arranging multiple processing units around a rotary axis. This spatial arrangement enables simultaneous operations at different angular positions, effectively utilizing the third dimension (rotational angle) to increase productivity without proportionally increasing device complexity
2Productivity
If multiple processing units operate in parallel around a rotary axis, then modeling time is shortened, but the device structure becomes more complex
Solution Approach 1:
Each processing unit is designed as a universal module capable of performing three functions (material supply, preheating, and energy application) in sequence. This multi-functionality reduces the need for separate dedicated components for each operation, thereby increasing modeling speed while controlling device complexity through functional integration within each unit
Solution Approach 2:
The invention combines material supply mechanisms, preheating mechanisms, and energy application mechanisms into integrated processing units. By merging these functions into single modular units that rotate around a common axis, the system achieves parallel processing capability while avoiding the complexity of completely separate systems for each function
3Loss of energy
If material supply, preheating, and energy application are performed sequentially, then the device structure is simple, but energy loss increases due to repeated heating and cooling
Solution Approach 1:
The rotary arrangement of processing units enables continuous processing where material supply, preheating, and energy application occur in an unbroken sequence as the units rotate. This eliminates idle periods and repeated heating/cooling cycles, maintaining thermal energy efficiency while using rotational motion to manage the complexity of coordinating multiple continuous operations
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 configuration significantly shortens the modeling time by enabling simultaneous execution of various operations, reducing energy loss, and maintaining consistent temperature conditions, thus enhancing the efficiency and cost-effectiveness of the modeling process.
Implementation Method 1
The processing units supply the powder material to the table, preheat the supplied powder material, and emit an energy beam to the preheated powder material
Implementation Method 2
obtain the model by processing the powder material... emit an energy beam to the preheated powder material
Data Source
AI summary
A three-dimensional modeling device includes a table supporting a powder material and a model created from the powder material, a processing section disposed so as to face the table and obtaining the model by processing the powder material, and a rotation unit causing the table to rotate relative to the processing section around a rotary axis. The processing section has a plurality of processing units disposed around the rotary axis. The processing units supply the powder material to the table, preheat the supplied powder material, and emit an energy beam to the preheated powder material.