3D Screen Printing With Separated Carriers for Independent Drying
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing systems for producing three-dimensional screen-printed workpieces suffer from insufficient productivity due to the time-consuming drying process of printed layers, leading to underutilization of printing stations and limited operational efficiency.
Innovation Solution
An apparatus with a fine adjustment mechanism for precise positioning and alignment of workpiece carriers, allowing for layer-by-layer printing and independent drying of workpieces, combined with automated transport and marking systems to enhance productivity and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple drying stations are arranged adjacent to the printing station, then drying capacity is improved, but printing station utilization deteriorates due to time-consuming drying processes
Solution Approach 1:
The system separates the printing table plate from the workpiece carrier, allowing the printing table plate to remain in the printing station while only the workpiece carrier with the printed layer is transported to drying stations. This segmentation enables independent operation of printing and drying processes, resolving the contradiction between drying capacity and printing station utilization.
Solution Approach 2:
The invention introduces a vertical separation between the printing table plate (remaining in horizontal printing plane) and the workpiece carrier (transported vertically to drying stations). This dimensional change allows parallel processing where printing continues on the table plate while drying occurs separately, improving overall system productivity.
2Productivity
If drying time is reduced to improve productivity, then printing station utilization is improved, but drying quality deteriorates
Solution Approach 1:
By segmenting the drying process into separate stations with specialized drying chambers, each station can optimize drying conditions and duration for quality while the printing station remains continuously productive. The printing table plate waits for drying completion without idle time, maintaining high utilization.
Solution Approach 2:
The system performs preliminary positioning and preparation of workpiece carriers on the printing table plate before drying begins. This allows the printing station to prepare multiple carriers in advance, ensuring continuous operation while drying proceeds at optimal pace for quality.
3Manufacturing precision
If fine adjustment mechanism is added for precise positioning, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The invention replaces complex mechanical fine-adjustment mechanisms with an automated optical detection and feedback system. Sensors detect the position of workpiece carriers, and a control system automatically adjusts positioning, achieving high precision without mechanical complexity.
Solution Approach 2:
The system uses automated detection and control mechanisms that self-regulate the positioning of workpiece carriers. The position detection device and control system work together to automatically achieve precise alignment without requiring complex manual adjustment mechanisms, reducing overall device complexity.
Data Source
AI summary
Apparatus for producing three-dimensional screen-printed workpieces, in particular 3D screen printing machine, with a printing device for the layer-by-layer production of at least one screen-printed workpiece in a plurality of printing operations and with at least one workpiece carrier for at least one screen-printed workpiece, wherein the printing device has at least one printing table plate being formed separately from the workpiece carrier and on which the workpiece carrier can be positioned for carrying out a printing process, an upper printing mechanism with a printing screen and a position detection device for detecting the position of the workpiece carrier, wherein the printing device is configured for fine adjustment and the fine adjustment comprising the position detection of the workpiece carrier by the position detection device and the adjustment of the relative position and/or relative alignment between the workpiece carrier and the printing device dependent on the position detection.