Multi-Component Print Surface for Additive Manufacturing
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Solution Overview
Problem
Conventional additive manufacturing devices require high peel forces to remove three-dimensional objects from solid growth substrates, often necessitating oxygen inhibition and uncured resin layers, which can lead to deformation and operational inefficiencies.
Innovation Solution
A multi-component print surface comprising a solid matrix and a fluid component, where the fluid is at least partially disposed within the solid matrix, reducing the peel force required to remove three-dimensional objects and allowing for long-term operation through fluid replenishment from a reservoir.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a solid growth substrate is used in additive manufacturing, then the three-dimensional object can be formed and removed, but high peel forces are required which can cause deformation
Solution Approach 1:
A release layer is introduced as an intermediary between the three-dimensional object and the solid growth substrate. This release layer has controlled adhesion properties that allow the object to be formed during additive manufacturing but easily removed afterward, significantly reducing the peel force required and preventing object deformation during removal.
Solution Approach 2:
The adhesion parameters of the interface between the object and substrate are changed by introducing the release layer with specific adhesion characteristics. The release layer is designed to have low adhesion strength to the object while maintaining sufficient adhesion to the substrate, thereby changing the force parameters required for object removal.
2Force
If oxygen inhibition and uncured resin layers are used to reduce peel force, then object removal becomes easier, but operational efficiency decreases and device reliability is compromised
Solution Approach 1:
The release layer serves as a dedicated intermediary structure that enables easy object removal without requiring oxygen inhibition or uncured resin layers. This eliminates the need for additional processing steps and maintains operational efficiency while achieving low peel force removal.
Solution Approach 2:
The release layer can be designed as a disposable or easily replaceable component that is consumed or degraded after a certain number of use cycles. This allows for simple replacement rather than complex maintenance, maintaining high operational efficiency while providing the necessary low adhesion properties for easy object removal.
3Device complexity
If a solid growth substrate is used, then the device structure is simple, but the device requires frequent maintenance and has limited operational life
Solution Approach 1:
The substrate system is segmented into two functional parts: the solid growth substrate that provides structural support and the release layer that provides easy object removal. This segmentation allows the substrate to maintain its simple structure while the release layer can be easily replaced when worn, thereby extending the overall device operational life.
Solution Approach 2:
The release layer is designed to be discarded after a certain number of use cycles and replaced with a fresh layer, while the expensive solid growth substrate is recovered and reused. This approach maintains simple device structure while significantly extending operational life through selective replacement of consumable components.
Data Source
AI summary
A multi-component print surface and associated additive manufacturing methods are generally described.