Mobilized 3D Printer Expanding Build Volume via Printed Scaffold
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current 3D printing technologies are limited by the localized build volume within the reach of the printer head, restricting the scalability of the printed structure and requiring extensive supporting infrastructure for larger or unlimited build volumes.
Innovation Solution
A 3D printer is mobilized along a printed scaffold or track, allowing it to move and expand the build volume by printing the track as part of the structure, using automated surveying equipment for precise positioning and integrating raw material supply conduits and energy harvesting systems for mobility and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the printer head remains stationary within a fixed space, then the printer structure is simple and stable, but the build volume is limited to the localized area reachable by the printer head
Solution Approach 1:
The patent transforms the stationary printer into a mobile unit that can move along printed tracks. The printer head is mounted on a mobile platform with wheels or rollers, allowing it to dynamically reposition itself throughout the build process. This dynamic capability enables the build volume to extend far beyond the original stationary reach of the printer head.
Solution Approach 2:
The build process is divided into segments, with the printer completing one localized build segment, printing tracks, moving to the next segment, and repeating the process. This segmentation allows the overall build volume to be accumulated through multiple discrete printing locations rather than requiring a single large stationary build chamber.
2Volume of moving object
If the printer is mobilized to move along printed tracks, then the build volume can be expanded, but the printer requires supporting infrastructure including tracks, power supply, and material supply systems
Solution Approach 1:
The mobile printer prints its own tracks as part of the build process, creating its own guiding infrastructure. The printer head deposits material to form tracks that the mobile unit then follows in subsequent operations. This self-service approach eliminates the need for pre-manufactured tracks or complex external guiding infrastructure.
Solution Approach 2:
The functional elements of the mobile printer (printing capability, movement mechanism, material supply, and track following) are combined into a single integrated mobile unit. This consolidation reduces the need for separate supporting infrastructure by making the printer self-contained and self-sufficient.
3Measurement precision
If automated surveying equipment is used for precise positioning, then the printer can maintain accurate position along all three axes, but the system complexity and cost increase
Solution Approach 1:
Automated surveying equipment continuously monitors the position of the mobile printer and provides feedback to the control system. This feedback loop enables real-time correction of positioning errors, ensuring that the printer maintains accurate position along all three axes despite movement and external disturbances.
Solution Approach 2:
Traditional mechanical positioning systems with physical guides and fixtures are replaced with automated surveying equipment that uses optical or electromagnetic fields to detect and correct position. This substitution reduces mechanical complexity while improving positioning accuracy.
Data Source
AI summary
A novel 3D printing technique is used to mobilize a 3D printer while printing thus creating an unlimited build volume. The 3D printer is mobilized by printing track or scaffold that guides the 3D printer as it moves in a spiral or helical, corkscrew, or linear fashion. After printing a segment the printer subsequently utilizes the track or scaffold printed during the process, after the material has set to the desired or specified hardness, for advancement and support of the printer.