Material Supply Distance Control for Consistent 3D Deposition
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Solution Overview
Problem
Existing processing systems for forming three-dimensional structural objects face challenges in accurately controlling the height and shape of the build object due to variations in the surface height of the workpiece, leading to inconsistencies in the build material deposition.
Innovation Solution
The system incorporates a measurement apparatus to monitor the surface height and adjust the distance and direction of the material supply member relative to the workpiece, allowing for real-time control of the build material deposition to maintain a consistent build height and shape.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the material supply member maintains a fixed distance from the workpiece surface, then the system structure is simple, but the build material deposition becomes inconsistent due to surface height variations
Solution Approach 1:
The material supply member is made movable in the vertical direction, allowing its distance from the workpiece surface to be dynamically adjusted based on real-time surface height measurements, thereby maintaining consistent deposition despite surface variations
Solution Approach 2:
A measurement apparatus continuously monitors the workpiece surface height and feeds this information back to the control system, which then adjusts the material supply member's position to maintain optimal deposition conditions
2Manufacturing precision
If the material supply member distance is adjusted in real-time, then the build material deposition consistency is improved, but the control system complexity increases
Solution Approach 1:
The movable material supply member system is designed to perform multiple functions: it serves as both the material delivery mechanism and the positioning actuator, reducing the need for separate complex positioning systems
Solution Approach 2:
The system uses the measured surface height information to automatically adjust its own material supply position, making the adjustment process self-regulating and reducing external control complexity
Data Source
AI summary
A processing system includes: an irradiation system that irradiates an object with an energy beam; a material supply member that supplies a build material irradiated with the energy beam; a measurement apparatus that obtains information related to a height of a surface of the object; and a distance change apparatus that changes a distance between the material supply member and the surface based on a measured result by the measurement apparatus.