Coater Blade Rotary Oscillation via Linear Actuator
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Solution Overview
Problem
Conventional coaters for 3D printing require complex mechanical adaptations to adjust the amplitude of oscillation and coater angle, making it difficult to easily and reliably change these parameters during the application process.
Innovation Solution
A device with a coater featuring a blade and fluid outlet, where the blade performs a rotary oscillation generated by a linear actuator, allowing for adjustable oscillation amplitude and coater angle adjustment without shifting connection points, enabling easy adjustment during the coating process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional coaters use eccentric mechanisms to generate oscillation, then oscillation can be produced, but adjustment of oscillation amplitude requires complex mechanical adaptations and exchange of eccentrics
Solution Approach 1:
The patent replaces the traditional mechanical eccentric mechanism with a linear actuator that generates oscillation through direct linear motion. This substitution eliminates the need for complex mechanical adaptations and exchange of eccentrics, allowing simple adjustment of oscillation amplitude by controlling the linear actuator's stroke length, thereby resolving the contradiction between ease of operation and device complexity
Solution Approach 2:
The patent enables adjustment of oscillation parameters by changing the stroke length of the linear actuator rather than modifying mechanical components. This parameter change approach allows flexible adjustment of oscillation amplitude and frequency without mechanical adaptations, resolving the contradiction between operational ease and mechanical complexity
2Adaptability or versatility
If conventional coaters require mechanical exchange to adjust oscillation parameters, then precise control is achieved, but adjustment time and operational flexibility are reduced
Solution Approach 1:
The patent implements a dynamic adjustment system where the linear actuator can be reconfigured to change oscillation amplitude and coater angle during operation. This dynamic capability allows real-time adaptation without stopping the coating process or exchanging mechanical components, simultaneously improving adaptability and reducing adjustment time
Solution Approach 2:
The system enables self-adjustment of oscillation parameters through the linear actuator's programmable control, eliminating the need for manual mechanical intervention. The coater can adapt its own parameters (amplitude and angle) without external mechanical modifications, reducing both adjustment time and operational 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
This solution allows for flexible and efficient adjustment of oscillation amplitude and coater angle, improving the coating process by enabling easier operation and better material distribution, reducing the need for complex kinematics and allowing coating in both directions.
Implementation Method 1
a linear actuator generating a stroke is provided in order to generate said oscillation
Data Source
AI summary
The invention relates to a method and a device for applying fluids, particularly in a method for producing three-dimensional shaped parts, wherein a coating device comprising a blade, a fluid outlet and a reservoir is provided, and the blade is displaced across the working field such that it can implement a rotational movement type vibration, said vibration occurring as the result of a stroke by a linear actuator.