Ribbon Processing Units Synchronized for High-Speed Cell Production
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Solution Overview
Problem
Existing non-contact processing of ribbon-like articles, such as in the production of electrochemical cells, is limited by the feed rate of the ribbon-like article relative to the processing unit, leading to production slowdowns and potential quality issues due to tension formation.
Innovation Solution
An apparatus and method that allows for a controlled speed difference between the ribbon-like article and the operating units, using multiple movable processing units along a loop path with varying speeds to maintain continuous processing without interruptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the ribbon-like article is fed at a high speed through a stationary processing unit, then productivity increases, but processing precision deteriorates due to the relative motion between the ribbon and processing unit
Solution Approach 1:
The processing unit is made movable along a path that matches the ribbon's feed motion. The processing unit moves synchronously with the ribbon feed rate, maintaining a constant relative position between the processing tool and the ribbon surface. This dynamic configuration allows high-speed continuous processing without sacrificing precision, as the processing unit travels alongside the ribbon rather than remaining stationary.
2Productivity
If the ribbon-like article is fed at a high speed, then productivity increases, but tension formation occurs compromising product quality
Solution Approach 1:
The processing unit moves synchronously with the ribbon, eliminating the need for the ribbon to be held stationary or slowed down. This allows continuous high-speed processing without creating tension zones that would compromise ribbon integrity or product quality.
3Device complexity
If a stationary processing unit is used on a moving ribbon, then device complexity is reduced, but processing speed is limited
Solution Approach 1:
The processing unit is equipped with a drive mechanism that enables it to move along a path synchronized with the ribbon feed. This dynamic configuration allows the processing unit to maintain a constant relative position with the ribbon while traveling at high speeds, thereby increasing processing speed without excessive complexity.
Solution Approach 2:
The system incorporates speed synchronization between the ribbon feed mechanism and the processing unit motion. The processing unit's movement is controlled to match the ribbon feed rate, ensuring consistent processing conditions. This feedback-controlled synchronization enables high-speed operation while maintaining processing quality.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances production line productivity by allowing higher feed rates and precise processing without compromising quality, enabling continuous operation and format flexibility.
Implementation Method 1
This processing can take place by means of laser heads that operate on the portion of the ribbon concerned so as to achieve the desired pattern.
Data Source
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AI summary
The present disclosure relates to an apparatus for non-contact processing on a ribbon-like article (N). The apparatus comprises a conveying device of the ribbon-like article (N) including an inlet section (11), an outlet section (12) and a connecting segment (13) extending between the inlet section (11) and the outlet section (12) and at least two operating units (2) configured to perform non-contacting processing on the ribbon-like article (N) that are movable along a loop path (3). The conveying device (1) is configured to advance the ribbon-like article (N) at a feed rate along the connecting segment. The operating units (2) are configured to displace at a first speed along a processing portion (31) of the loop path. The speed difference between the first speed and the feed rate is lower than a predetermined value.