Automated Post-Processing System for Additive Manufacturing Workpieces
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Solution Overview
Problem
Additive manufacturing production systems are time-consuming and require substantial operator interaction due to the need for sequential layering of materials in building 3D objects, which affects efficiency and accuracy.
Innovation Solution
An additive manufacturing post-processing system comprising a rinse tank, robot arms, and a platform locking fixture, controlled by a central controller that automates the movement and processing of workpieces, including rinsing and securing components, to streamline the production process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If additive manufacturing production systems use sequential layering of materials to build 3D objects, then manufacturing precision is improved, but productivity deteriorates due to time-consuming processes
Solution Approach 1:
The system performs preliminary actions by pre-positioning support structures and planning tool paths before actual manufacturing. The controller pre-calculates the sequence of operations and prepares the build platform configuration in advance, reducing idle time during the sequential layering process and improving overall productivity while maintaining precision
2Manufacturing precision
If additive manufacturing production systems use sequential layering of materials, then manufacturing precision is improved, but loss of time increases due to substantial operator interaction required
Solution Approach 1:
The system implements self-service through automated material deposition, support structure generation, and build platform management. The controller autonomously coordinates the additive manufacturing process without requiring substantial operator interaction, eliminating manual intervention time while preserving the precision benefits of sequential layering through programmed control
Solution Approach 2:
The system replaces manual operator mechanics with automated robotic or programmed mechanical systems for material deposition and platform manipulation. This substitution eliminates the time loss associated with operator interaction while maintaining the precision of sequential layering through computer-controlled actuation
3Productivity
If automated handling and processing of workpieces is implemented, then productivity is improved, but device complexity increases due to additional components like robot arms and controllers
Solution Approach 1:
The controller serves multiple functions by coordinating robot arms, managing support structure deployment, controlling material deposition, and monitoring build progress. This multi-functionality consolidates what could be separate complex systems into a single integrated control unit, improving productivity while limiting the increase in overall device complexity
Solution Approach 2:
The system merges the controller, robot arms, and support structure system into an integrated automated handling and processing unit. This consolidation improves productivity by enabling coordinated operation while managing device complexity through unified system architecture and shared control mechanisms
Data Source
AI summary
A post-processing system includes a rinse tank, a robot arm, a locking fixture, and a controller. The robot arm is configured to engage and move a workpiece. The locking fixture includes a platform support structure and a clamping assembly. The controller is in communication with the robot arm and the platform locking fixture. The controller is configured to instruct the robot arm to move the workpiece from a workstation to the rinse tank, instruct the robot arm to move the workpiece from the rinse tank to the platform support structure, and instruct the clamping assembly to secure the workpiece onto the platform support structure after the workpiece has been moved to the platform support.