Flexible Build Platform for Stereolithography Separation
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Solution Overview
Problem
The separation of 3D-printed objects from build platforms using traditional stereolithography techniques is inefficient and poses safety risks due to the need for manual labor and the use of sharp tools.
Innovation Solution
A build platform configured to be flexible or partially flexible, allowing for the bending or tilting of the platform to separate 3D-printed objects without manual labor or extrinsic tools, utilizing a magnetic alignment module and a deformable printing layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional stereolithography 3D printing techniques are used, then 3D-printed objects are created on the build platform, but the objects stick hard to the platform requiring manual separation with sharp tools
Solution Approach 1:
The build platform transitions from a static rigid structure to a dynamic flexible structure that can change its state. The flexible build plate can be bent or tilted to create separation between the printed object and platform, transforming the separation process from a manual static operation to an automated dynamic motion-based process.
Solution Approach 2:
The mechanical properties of the build platform are changed by introducing flexibility. The build plate's ability to bend and tilt changes the contact parameters between the platform and printed object, allowing controlled separation without requiring sharp tools or manual force.
2Productivity
If manual separation with sharp tools is used, then 3D-printed objects can be removed from the build platform, but the process is time-consuming and exposes individuals to injury risks
Solution Approach 1:
The manual mechanical separation process using sharp tools is replaced by a flexible build platform system that uses controlled bending and tilting motions. This substitution eliminates the need for knives, scrapers, and other sharp separation tools, removing the source of injury risk while automating the separation process.
Solution Approach 2:
The flexible build platform performs the separation function automatically through its own mechanical deformation. The platform's flexibility allows it to self-effect the separation action by bending and tilting, eliminating the need for external separation tools or manual intervention.
3Ease of operation
If a flexible build platform is used, then 3D-printed objects can be easily separated without manual labor, but the platform requires magnetic alignment modules and deformable layers adding complexity
Solution Approach 1:
The build platform incorporates a flexible build plate made from flexible materials or flexible layers. This flexible shell structure enables the platform to bend and tilt for easy separation while maintaining structural integrity during the printing process.
Solution Approach 2:
The build platform uses composite construction combining flexible layers with rigid support structures. The flexible build plate is integrated with a rigid base assembly, creating a composite structure that provides both flexibility for separation and rigidity for stable printing.
4Productivity
If high-volume orders are processed, then productivity increases, but the cumulative time for manual separation becomes increasingly inefficient
Solution Approach 1:
The flexible build platform is designed in advance to具备 separation capability through its flexible construction. The platform's built-in flexibility allows separation to be performed easily after printing, eliminating the need for time-consuming manual separation processes that would accumulate with high-volume production.
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
Facilitates efficient and safe separation of 3D-printed objects from the build platform, reducing the risk of injury and improving productivity, especially in high-volume orders.
Implementation Method 1
a magnetic alignment module adapted to magnetically move the removable build plate along a surface of the base assembly such that the removable build plate automatically self-aligns along a boundary of the base assembly and magnetically couples to the base assembly
Implementation Method 2
a build platform configured to be flexible or partially flexible, such that at least a portion of the build platform may be bent or tilted to separate the build platform from the 3D-printed object
Data Source
AI summary
A system and method for facilitating separation of 3D-printed objects from build platforms. The principle of separation in the present invention involves a build platform configured to be removable or flexible or partially deformable, such that at least a portion of the build platform may be bent or tilted to separate the build platform from the 3D-printed object once the 3D-printing is completed. In some embodiments, a base assembly is adapted to magnetically move a build plate along a surface of the base assembly such that the build plate automatically self-aligns along a boundary of the base assembly and magnetically couples to the base assembly. In some embodiments, a build platform includes a flexible layer with a printable surface and a rigid layer coupled to the flexible layer so that applying a force on the flexible layer deforms a localized portion of the printable surface without deforming the rigid layer.