3D Printer Coater with Adjustable Slot for Uniform Particulate Layers
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Solution Overview
Problem
Existing 3D printing technologies face challenges in achieving consistent and efficient application of particulate material, particularly with varying formulations, which affects the reproducibility and operability of the printing process.
Innovation Solution
A container coater with adjustable slot width and angle for applying particulate material, utilizing a first adjusting device to pivot or move the side walls of the container, allowing for variable slot width and angle adjustments to ensure uniform layer application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a container coater with fixed slot width is used, then the device structure is simple, but the manufacturing precision and layer uniformity deteriorate when dealing with varying particulate material formulations
Solution Approach 1:
The patent applies the dynamics principle by making the container coater's slot width adjustable through a movable side wall configuration. The coater includes a container with a movable side wall that can be positioned at different locations along the longitudinal axis, allowing the slot width to be dynamically adjusted according to the specific particulate material formulation being processed. This enables precise control over layer thickness and uniformity while maintaining a relatively simple overall device structure.
2Adaptability or versatility
If the container coater slot width is fixed, then the device is easy to operate, but the adaptability to different particulate material formulations deteriorates
Solution Approach 1:
The movable side wall configuration allows the slot width to be dynamically adjusted to match different particulate material formulations. The side wall can be positioned at different locations along the longitudinal axis of the container, enabling the system to adapt to varying material properties such as flow characteristics and particle size distribution while maintaining ease of operation through a straightforward adjustment mechanism.
3Manufacturing precision
If a roller coater is used, then the device complexity is low, but the manufacturing precision of layer thickness deteriorates with varying material formulations
Solution Approach 1:
The patent replaces the fixed roller coater mechanism with a container coater featuring a movable side wall that can be positioned at different locations along the longitudinal axis. This dynamic adjustment capability allows precise control over the slot width and consequently the layer thickness, adapting to varying particulate material formulations while maintaining acceptable device complexity through a straightforward movable wall mechanism.
Data Source
AI summary
Disclosed is a coater 10 for a 3D printer, comprising an elongated container 30 comprising two opposing long side walls 32, 34 between which an internal cavity 36 is formed for receiving particulate material, the cavity 36 opening into an elongated output slot 38 for outputting the particulate material from the container 30 onto a construction field, and a first adjusting device 50 configured to move the two long side walls 32, 34 relative to each other at least in a respective lower portion 32a, 34a thereof adjoining the output slot 38 to thereby variably adjust the width of the output slot 38.