Rolling Stock Centering With Funnel and Point Guides
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Solution Overview
Problem
Existing methods for guiding and centering metal rolling stock in rolling mills struggle to align the stock transversely to the rolling line while preventing wear and damage to the guides and stock.
Innovation Solution
The method employs lateral guide means that exert forces on the rolling stock at various locations, using a combination of funnel-shaped and point-based guides for inlet centering and transverse alignment, respectively, to gently guide and maintain the stock centrally throughout the forming process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If lateral guide means are positioned close to the rolling stock to effectively guide and center it, then guidance precision is improved, but wear and damage to the guides and rolling stock increases
Solution Approach 1:
The guidance system is divided into multiple lateral guide means positioned at different locations along the rolling line. Each guide means handles a specific segment of the centering task, allowing the rolling stock to be guided gently over an extended distance rather than through a single aggressive contact point, thus reducing wear while maintaining precision.
Solution Approach 2:
The solution transitions from single-point lateral guidance to distributed lateral guidance along the longitudinal dimension. By spacing multiple guide means at different positions, the system achieves precise centering through cumulative small corrections rather than large single-point forces, reducing mechanical stress and wear.
2Reliability
If multiple lateral guide means are distributed along the rolling line to center and align the rolling stock, then centering effectiveness is improved, but device complexity increases
Solution Approach 1:
Each lateral guide means is designed with universal functionality to handle both centering and alignment tasks. The guide means can be actuated independently but follow a coordinated control strategy, allowing the system to achieve complex centering objectives through simple, standardized components rather than specialized equipment.
Solution Approach 2:
The system controls the positioning and actuation parameters of multiple lateral guide means to achieve effective centering. By dynamically adjusting the lateral position and force application of each guide means along the rolling line, the system maintains simplicity in individual component design while achieving complex overall behavior through parameter coordination.
Data Source
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AI summary
The invention relates to a method and a device for guiding and centering a metal rolling stock (2) in a rolling mill (1), comprising at least one assembly which is arranged on a rolling line and at least one roll stand (3) for shaping the rolling stock (2), wherein the method involves the use of lateral guide means (8, 9, 10) which exert a lateral force onto the moving rolling stock (2) at different locations of the rolling line. The method additionally involves the process of centering the inflow of the rolling stock (2) ahead of a first assembly and/or ahead of a first roll stand (3) of the rolling mill (1) using first lateral guide means (8) and the process of aligning the rolling stock (2) downstream thereof transversely to the rolling line using second lateral guide means (9), wherein the inflow centering process involves guiding the rolling stock (2) in a flat, funnel-shaped manner and guiding the rolling stock (2) in a point-shaped manner.