Alignment Line Control for High-Speed Substrate Registration
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Solution Overview
Problem
Existing machining machines face challenges in maintaining high-quality substrate alignment due to high-speed operations and vibrations, which existing alignment devices from other fields are not adequately addressing, particularly in ensuring precise registration and compensation for lateral displacement and tilt of sheets.
Innovation Solution
A machining center with an alignment section that includes multiple transport sections with individual drives for axial and circumferential adjustments, allowing for precise alignment of substrates between processing units, especially before and after application and forming units, using sensors for real-time data-driven control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-speed operations are used to increase productivity, then output increases, but alignment precision deteriorates due to vibrations and dynamic positioning challenges
Solution Approach 1:
The alignment device performs preliminary alignment actions before the substrate enters the processing unit. The alignment section with transport sections and individual drives positions the substrate correctly in advance, compensating for potential misalignments that may occur during high-speed transport, thus maintaining precision despite increased productivity
Solution Approach 2:
Sensors detect the actual position and orientation of the substrate in real-time during high-speed operations. This feedback information is used by the control system to dynamically adjust the transport sections and individual drives, compensating for vibrations and positioning errors, thereby maintaining alignment precision while operating at high speeds
2Device complexity
If alignment devices from other fields are used, then device complexity is reduced, but they fail to adequately address precise registration and compensation for lateral displacement and tilt
Solution Approach 1:
The alignment device is segmented into multiple transport sections, each with individual drives, allowing independent adjustment of different zones. This segmentation enables precise compensation for lateral displacement and tilt across the substrate surface, achieving high registration precision while keeping each segment's complexity manageable
Solution Approach 2:
The alignment device incorporates dynamic adjustment capabilities through individual drives for each transport section. These drives can dynamically respond to detected misalignments in real-time, providing active compensation for lateral displacement and tilt, thereby achieving precise registration that static alignment devices cannot provide
3Manufacturing precision
If multiple transport sections with individual drives are used for precise alignment, then manufacturing precision improves, but device complexity increases
Solution Approach 1:
The transport sections with individual drives serve multiple functions: they transport the substrate, perform alignment adjustments, and compensate for misalignments. This multi-functionality reduces the need for separate alignment mechanisms, thereby improving alignment accuracy while limiting the increase in overall device complexity
Data Source
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AI summary
The invention relates to a processing machine (01) for processing a substrate (02). At least one alignment line (750) is arranged upstream of at least one processing assembly (600; 900) of the processing machine (01), wherein the at least one alignment line (750) has a plurality of transport sections (706) arranged one behind the other in a transport direction (T), and the at least one alignment line (750) has at least one individual drive (ME) for axially adjusting at least one of the transport sections (706). At least one of the transport sections (706) has at least one first transport sub-section (707) and at least one second transport sub-section (708) in the transverse direction (A), and the at least one first transport sub-section (707) and the at least one second transport sub-section (708) can be driven at different speeds relative to each other in the circumferential direction. At least one of the transport sections of the at least one alignment line (750) has the at least one individual drive (ME) for axially adjusting the at least one transport section (706) and the transport sub-sections (707; 708) that can be driven relative to each other in the circumferential direction at different speeds. The invention additionally relates to a method for controlling at least one alignment line (750) of a processing machine (01).