Alignment Line Control for High-Speed Substrate Positioning
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Solution Overview
Problem
Existing machines face challenges in maintaining high-quality substrate alignment due to high speed and vibrations, which are not adequately addressed by existing alignment devices designed for slower or vibration-free environments.
Innovation Solution
A method for controlling an alignment section in a machining center, comprising multiple transport sections with individual drives for axial and circumferential adjustments, and sensor-based alignment to correct substrate orientation relative to processing units, ensuring precise alignment even at high speeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the machine operates at high speed to increase productivity, then output increases, but substrate alignment precision deteriorates due to vibrations and speed-related positioning errors
Solution Approach 1:
The system uses sensors to detect substrate position and orientation in real-time during high-speed transport, feeds this information to a controller, and dynamically adjusts transport section positions to compensate for alignment deviations caused by vibrations and speed, thereby maintaining precision despite high productivity operation
Solution Approach 2:
The alignment system transitions from static pre-positioning to dynamic real-time adjustment, where transport sections can be repositioned during substrate transport based on detected alignment deviations, allowing the system to adapt to vibration-induced position changes while maintaining high operating speeds
2Manufacturing precision
If alignment devices are designed for slower speeds to maintain precision, then alignment accuracy is improved, but machine productivity deteriorates due to reduced operating speed
Solution Approach 1:
Real-time sensor feedback enables the alignment system to make continuous adjustments during high-speed operation, eliminating the need to reduce speed for precision alignment while maintaining accurate substrate positioning through dynamic correction of position and orientation deviations
3Stability of the object's composition
If traditional alignment devices are used in vibration-free environments, then alignment stability is maintained, but performance deteriorates when subjected to high-speed vibrations
Solution Approach 1:
The system continuously monitors substrate alignment during vibration-prone high-speed transport and dynamically compensates for vibration-induced deviations, maintaining reliable alignment performance in environments where traditional static alignment devices would fail
Solution Approach 2:
The alignment system adapts to vibrational disturbances by enabling dynamic repositioning of transport sections during substrate conveyance, allowing the system to maintain stability and reliability under high-speed vibration conditions that would compromise static alignment devices
Data Source
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AI summary
The invention relates to a method for controlling at least one alignment line (750) of a processing machine (01). The at least one alignment line (750), which is arranged upstream of at least one processing assembly (600; 900) of a processing machine (01), is controlled in that 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 at least two of the transport sections (706), said two transport sections following each other in the transport direction (T), have a respective base position and at least one adjusted position. The at least one respective adjusted position is offset relative to the base position in the transverse direction (A), wherein at least one of the transport sections (706) is axially adjusted.