Parallel Transfer Platform Additive Manufacturing Device
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Solution Overview
Problem
Conventional additive manufacturing methods, such as Fused Filament Fabrication (FFF), are inefficient in building large components and often require support structures, leading to increased manufacturing time and post-processing needs, especially when dealing with overhangs.
Innovation Solution
A manufacturing device with multiple transfer platforms and printing units, allowing for parallel layer production and targeted temperature control, enables the creation of objects without support structures by transferring layers from a heated transfer platform to a construction platform, optimizing layer connection and reducing production time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional FFF manufacturing is used for large components, then the manufacturing capability is provided, but the production time is excessively long
Solution Approach 1:
The manufacturing process is segmented into two distinct stages: (1) rapid layer production on transfer platforms using FFF printing, and (2) layer assembly on the build platform. This segmentation allows parallel production of multiple layers on separate transfer platforms simultaneously, dramatically increasing the build rate for large components while maintaining manufacturing capability.
Solution Approach 2:
The invention introduces a new spatial dimension by separating layer production (on transfer platforms) from layer assembly (on build platform). This dimensional separation enables parallel processing of multiple layers across different transfer platforms, transforming the traditionally sequential single-column manufacturing into a parallel multi-platform system that significantly reduces manufacturing time.
2Stability of the object's composition
If support structures are added for overhangs, then the structural integrity during manufacturing is improved, but the manufacturing time increases and post-processing is required
Solution Approach 1:
The object is segmented into multiple thin layers that are produced separately on transfer platforms and then assembled. This fine-grained segmentation into individual layers enables stable layer-by-layer construction without requiring support structures for overhangs, as each layer is thin enough to maintain structural integrity during the assembly process.
Solution Approach 2:
Layers are pre-produced on transfer platforms with optimized thickness and geometry before assembly. This preliminary layer production allows the object geometry to be designed without support structures, as the layers are prepared in advance with appropriate structural characteristics that eliminate the need for temporary support during manufacturing.
3Ease of manufacture
If support structures are removed after manufacturing, then the clean finished object is achieved, but additional post-processing time and material removal are required
Solution Approach 1:
The unnecessary element (support structures) is extracted from the manufacturing process entirely. By producing objects layer-by-layer with thin layers on transfer platforms and assembling them without support structures, the invention eliminates the need for post-processing removal operations, achieving clean finished objects directly from the manufacturing process.
4Productivity
If multiple transfer platforms are used for parallel production, then the productivity is improved, but the device complexity increases
Solution Approach 1:
The system is segmented into independent transfer platforms that can operate in parallel, each with its own printing unit. This modular segmentation allows scalable parallel production while keeping individual platform complexity manageable. The build platform serves as a centralized assembly point that coordinates the parallel operations.
Solution Approach 2:
The build platform serves multiple functions: it acts as the assembly surface for receiving layers from multiple transfer platforms, provides heating capability for layer bonding, and enables the stacking of transferred layers to build the final object. This multi-functionality reduces the need for additional specialized equipment, thereby limiting the increase in device 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 approach significantly reduces production time, enhances layer strength, and eliminates the need for support structures, allowing for cost-effective and time-saving manufacturing of complex objects with improved integrity and mechanical properties.
Implementation Method 1
the transfer platform is preferably heated to a higher temperature than the build platform
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a manufacturing device (1) for the layer-by-layer production of objects (7), comprising at least one transfer platform (2), at least one printing unit (3) for applying at least one layer (8) of the object (7) to a transfer platform surface (2A) of the transfer platform (2), wherein the layer (8) extends in a first direction (x) and in a second direction (y), and a build platform (4), designed to receive the layer (8) from the transfer platform (2), so that the object (7) is produced layer by layer in a third direction (z).