Digital Manufacturing System for High-Resolution 3D Object Assembly
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Solution Overview
Problem
Conventional manufacturing techniques are analog, material-dependent, and often irreversible, limiting their throughput and scalability, especially in creating complex geometries and high-resolution objects, which requires precise control and skilled operation, and are costly.
Innovation Solution
A digital manufacturing system that arranges and selectively removes and places predetermined components in a predetermined arrangement, using a printhead with activatable locations for precise attachment and detachment, allowing for simultaneous and controlled assembly of three-dimensional objects from digital materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional additive 3D printing deposits and bonds amorphous materials layer by layer, then three-dimensional structures can be built, but the process is slow and lacks precision for high-resolution objects
Solution Approach 1:
The invention segments the manufacturing process into discrete digital steps where individual components or voxels are selectively manipulated. The build volume is divided into a digital matrix of addressable locations, allowing parallel processing and precise control of each segment independently, thereby achieving both high resolution and improved throughput.
Solution Approach 2:
Components are pre-positioned in a predetermined arrangement before final assembly. The system prepares multiple components in advance at designated locations, and then selectively picks and places them in parallel operations. This preliminary arrangement enables faster throughput without sacrificing precision.
2Manufacturing precision
If conventional subtractive fabrication removes material from bulk material using lathes or CNC machines, then precise shapes can be achieved, but the process is slow and requires skilled operation
Solution Approach 1:
Instead of removing material, the system pre-assembles components in their final configurations using digital instructions. Components are prepared in advance and positioned precisely through automated pick-and-place operations, eliminating the slow subtractive process while maintaining high precision and enabling parallel production.
Solution Approach 2:
The invention replaces traditional mechanical subtractive tools (lathes, CNC machines) with a digital assembly system that uses automated component placement. This substitution eliminates skilled manual operation requirements and enables faster, more consistent production through programmable automation.
3Manufacturing precision
If existing freeform fabrication printers use expensive materials with precise dispensing, then high-resolution objects can be created, but the equipment cost reaches tens to hundreds of thousands of dollars
Solution Approach 1:
The system uses a universal printhead assembly that can handle multiple component types and materials through digital control. The same hardware platform can fabricate different geometries and assemble various components by changing digital instructions, eliminating the need for expensive specialized equipment for each application.
Solution Approach 2:
The invention uses digital copies or representations of the final object geometry to guide the assembly process. Digital models are sliced into layers and converted into pick-and-place instructions, allowing precise replication of complex geometries without requiring expensive specialized hardware for each design.
4Ease of operation
If top-down deterministic pick-and-place approaches assemble small numbers of components precisely, then control over production is achieved, but throughput is limited
Solution Approach 1:
The system segments the build volume into a digital matrix of addressable locations, allowing multiple components to be positioned in parallel across the entire build area. This segmentation enables the pick-and-place head to operate simultaneously at multiple locations, maintaining precise control while dramatically increasing throughput through parallel assembly operations.
Data Source
AI summary
A method for manufacturing objects/materials includes selectively arranging the predetermined components in a staging area, substantially simultaneously selectively removing two or more of the selectively arranged predetermined components according to a predetermined removal plan and substantially simultaneously placing the selectively removed components, the removed components being substantially simultaneously placed at a predetermined location. A system for practicing the method includes a supply of the predetermined components, an arranging subsystem receiving the predetermined components and arranging the predetermined components according to a predetermined arrangement, a selective removal subsystem for selectively removing at least two of the selectively arranged predetermined components, the selectively removing occurring substantially simultaneously and according to a predetermined removal prescription, and a placement subsystem for substantially simultaneously placing the selectively removed components at a predetermined location.