3D Printer Resin Replenishment for Window Lubrication Control
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Solution Overview
Problem
The adhesion of photopolymer resin to the transparent substrate in 3D printing systems leads to slowed printing processes and potential damage to the textured window, necessitating a solution to maintain lubrication and prevent adhesion over time.
Innovation Solution
A replenishment system that continuously supplies liquid photopolymer resin and inert material through a tank outlet and inlet, using sensors and flow regulators to maintain an optimal lubrication layer on a textured substrate, ensuring efficient and uninterrupted printing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a textured substrate with lubricant is used to prevent adhesion, then printing speed is improved, but lubricant is depleted over time causing adhesion to return
Solution Approach 1:
The system enables self-service by automatically monitoring lubricant levels through sensors and replenishing them through the dispensing mechanism, allowing the textured substrate to maintain its anti-adhesion properties continuously without manual intervention
Solution Approach 2:
The system implements feedback control by using sensors to detect lubricant levels on the textured substrate and automatically adjusting the replenishment rate through the dispensing mechanism, ensuring optimal lubrication is maintained throughout the printing process
2Productivity
If textured windows are used to reduce adhesion, then productivity increases, but the textured window can be damaged by adhesion when lubricant is depleted
Solution Approach 1:
The system applies beforehand cushioning by continuously monitoring lubricant levels and automatically replenishing them before the substrate becomes damaged, preventing adhesion-related damage to the textured window while maintaining high productivity
3Duration of action of moving object
If lubricant layer is maintained to prevent adhesion, then printing continues uninterrupted, but system complexity increases with monitoring and replenishment mechanisms
Solution Approach 1:
The system minimizes operational complexity by implementing self-service functionality where the replenishment mechanism automatically monitors and maintains lubricant levels without requiring external intervention, achieving continuous printing with manageable system complexity
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 system maintains lubrication on the textured substrate, preventing adhesion and enabling high-speed, energy-efficient 3D printing by replenishing inert material as needed, thus extending printing duration and reducing substrate damage.
Implementation Method 1
A textured substrate is connected to the tank. The textured substrate is configured such that light passes therethrough into the liquid polymer resin.
Implementation Method 2
A layer of an inert material is disposed on the textured substrate. The liquid photopolymer resin and the inert material are discharged from the tank through a tank outlet.
Data Source
AI summary
A 3D printing system includes a tank containing a liquid photopolymer resin. A textured substrate is connected to the tank. The textured substrate is configured such that light passes therethrough into the liquid polymer resin. A layer of an inert material is disposed on the textured surface. The liquid photopolymer resin and the inert material are discharged from the tank through a tank outlet. Additional liquid photopolymer resin and additional inert material are added to the tank through a tank inlet.