Screen Printing Pallet Registration Across Multiple Color Stations
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Solution Overview
Problem
Current screen printing machines are limited in the number of colors they can apply to a textile due to the number of printing heads or stations, and transferring a printed textile between machines while maintaining registration is difficult, if not impossible, leading to imperfect indicia when multiple colors are used.
Innovation Solution
A method and pallet assembly system that synchronizes the position of pallet assemblies between two screen printing machines, allowing a printed garment to be transferred while maintaining registration with the print heads on both machines, using a subassembly with registration systems for precise alignment and movement, enabling the addition of more colors beyond the capacity of a single machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple screen printing machines are used to print more colors, then the color capacity is improved, but maintaining registration between machines becomes difficult
Solution Approach 1:
The pallet assembly is designed as a universal carrier that can be used across multiple screen printing machines. It includes a registration system with adjustable elements that can adapt to different machines while maintaining consistent positioning, allowing the same pallet to be transferred between machines without losing registration accuracy.
Solution Approach 2:
The pallet assembly serves as an intermediary device between the garment and the printing machines. It provides a stable, precisely positionable platform that mediates the transfer of the garment between machines while maintaining registration, effectively decoupling the registration accuracy from the machine-to-machine variability.
2Manufacturing precision
If a single machine with many print stations is used, then registration is maintained, but the number of colors is limited by the number of stations
Solution Approach 1:
The printing process is segmented across multiple machines, with each machine handling a portion of the colors. The pallet assembly enables this segmentation by providing a consistent reference frame that allows the garment to be transferred between machines while maintaining registration, effectively distributing the color capacity across multiple independent printing systems.
3Quantity of substance
If garments are transferred between machines, then color capacity is expanded, but user intervention is required for positioning
Solution Approach 1:
The pallet assembly incorporates a self-aligning registration system with adjustable elements that automatically compensate for positioning variations. When the garment is placed on the pallet, the registration system self-adjusts to ensure proper alignment with the print heads, eliminating the need for manual user intervention in positioning while maintaining registration accuracy.
Data Source
AI summary
A method of screen printing positionally synchronizes a plurality of pallet assemblies on a first screen printing machine with a plurality of pallet assemblies on a second screen printing machine. A screen printed garment having a properly aligned first image received from the first screen printing machine is transferred on a portion of one of the pallet assemblies on the first screen printing machine to one of the plurality of pallet assemblies on the second printing machine. The properly aligned first image on the garment is in proper positional alignment with a screen printing head on the second screen printing machine such that a second image complimentary to the first image is printed on the garment in proper position on the garment relative to the first image without user intervention to positionally locate the first image relative to the screen printing head on the second machine.