Additive Manufacturing Chassis Layout for Parallel Print Throughput
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Solution Overview
Problem
Existing additive manufacturing apparatuses face challenges in scaling for commercial production due to low throughput, necessitating improvements in manufacturing efficiency.
Innovation Solution
The apparatus features a chassis assembly with adjustable components, including a build receptacle carriage and a skin with multiple access doors, allowing for improved accessibility and ventilation, along with a linear motion assembly for simultaneous operation of recoat and print heads, enhancing manufacturing throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If additive manufacturing apparatuses are scaled for commercial production, then production capacity increases, but throughput remains low
Solution Approach 1:
The apparatus is divided into multiple independent bays (first bay with first recoat head and first print head, second bay with second recoat head and second print head) that can operate simultaneously. Each bay functions as an independent manufacturing unit, allowing parallel production of different objects or layers, thereby increasing overall throughput without requiring a single large-scale system that would be harder to maintain and operate efficiently
Solution Approach 2:
The system enables continuous manufacturing operations by having multiple recoat and print heads that can work simultaneously and independently. While one bay is completing a layer or performing maintenance, another bay continues production, eliminating idle time and ensuring continuous useful action across the entire system, thus reducing machine downtime while maintaining high productivity
2Ease of operation
If multiple access doors are added to the chassis skin, then accessibility to components improves, but system complexity increases
Solution Approach 1:
The chassis skin is segmented into multiple independent access doors (first access door, second access door, third access door) that provide access to different components and bays. Each door can be opened independently to access specific components without disturbing other parts of the system, simplifying maintenance and operation while the modular door design itself remains relatively simple and standardized
Solution Approach 2:
The access doors serve multiple functions: they provide access for maintenance, allow ventilation when opened, and can be configured to access different bays and components. This multi-functionality reduces the need for specialized access mechanisms for each component, thereby improving ease of operation without proportionally increasing system complexity
Data Source
AI summary
In embodiments, an additive manufacturing apparatus comprises a chassis assembly and a skin at least partially covering the chassis assembly. The chassis assembly comprises a lower chassis section secured to a low voltage chassis section; an upper environmental chassis section secured to and extending over the low voltage chassis section and the lower chassis section; a high voltage chassis section secured to the upper environmental chassis section and the lower chassis section; and a build receptacle carriage adjustably coupled to the lower chassis section. The skin comprises first and second doors providing access to the low voltage chassis section and the high voltage chassis section; a rear panel providing access to the upper environmental chassis section; a top panel covering a top of the upper environmental chassis section; and at least one hinged door providing access to the lower chassis section.