Camber Control Centering Rolls with Tilted Axis
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Solution Overview
Problem
Current centering systems for metallic strips in processing lines are limited in correcting camber defects, leading to misalignment, material deformation, and quality issues, as they either focus on proportional or integral corrections, often requiring additional components and complicating the system, and fail to adapt to varying strip conditions.
Innovation Solution
An integrated control, centering, and regulation process that combines proportional and integral actions using a measuring group, centering rolls, and an electronic control unit, which continuously adjusts angles and cooling fluid flow to correct camber defects, optimizing centering and reducing material stress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional centering systems use only proportional or integral corrections, then the system structure remains relatively simple, but the correction effectiveness is limited and additional components are required to improve performance
Solution Approach 1:
The patent combines proportional and integral correction actions into a single integrated control system. The centering device includes both proportional correction means (for immediate position correction) and integral correction means (for cumulative error correction), unified under one electronic control unit that processes feedback from position sensors and coordinates both correction mechanisms simultaneously, eliminating the need for separate independent systems
Solution Approach 2:
The electronic control unit serves multiple functions: it receives feedback from position sensors, calculates both proportional and integral correction signals, coordinates the centering rolls and positioning means, and adapts to varying strip conditions. This multi-functional approach consolidates what would otherwise require multiple specialized components into a single versatile control system
2Adaptability or versatility
If conventional systems do not adapt to varying strip conditions, then the system structure remains simple, but the correction effectiveness decreases for different strip types and processing conditions
Solution Approach 1:
The control system is designed to be dynamic rather than static. The electronic control unit continuously receives feedback from position sensors and adjusts both proportional and integral correction signals in real-time based on actual strip position and processing conditions. This dynamic adaptation allows the system to handle varying strip types, temperatures, and speeds without requiring manual reconfiguration or additional specialized components for each condition
3Manufacturing precision
If additional components are added to improve centering correction, then correction effectiveness improves, but the system complexity and operational complexity increase
Solution Approach 1:
The patent merges multiple correction functions into a unified system. The centering rolls and positioning means work together under coordinated control from a single electronic control unit, which processes feedback and generates appropriate correction signals for both proportional and integral actions. This integration reduces operational complexity compared to managing separate independent correction systems
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
This approach effectively corrects camber defects across various strip types and processing conditions, improving product quality by simultaneously controlling both the position and curvature of the strip, reducing material deformation and operational complexity.
Implementation Method 1
modulating the streams passing through the nozzles (39) of the cooling section (26)... the calculation algorithm (43) acts on the cooling step at the oven exit (26)
Data Source
Figure 1a~1c
Figure 2
AI summary
An integrated process for the control, centering and regulation of the camber of a metallic strip in process lines wherein the strip (14) is passed over a centering group comprising a mobile frame (21) carrying one or more rolls (19) and which operates a rotation (ß) with respect to a fixed supporting frame (20) effecting a shift of a branch of the outgoing strip with respect to a branch of the ingoing strip, wherein the rotation (ß) of the mobile frame (21) takes place around an axis (B) tilted with respect to the plane on which the ingoing branch of the strip lies, which creates a steering angle (?) of the axis of the roll with respect to the perpendicular to the axis of the line by a rotation of a tilt angle (a) of the frames with respect to the plane perpendicular to the ingoing branch, wherein sensors (15, 16, 17) are positioned on the strip (14) arranged along the line and connected to an electronic control board (13) which receives the data of the advancing strip (position and camber) and, on the basis of a control algorithm, used by the controller.