Variable Lateral Guide Stand for Stable Cross Rolling

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Solution Overview

Problem

Existing rolling mill stands face challenges in achieving high variability of lateral guides while maintaining machine durability and rigidity, which affects the quality of rolled products.

Innovation Solution

A rolling mill stand with a guide device that includes an angle adjuster allowing the guide to pivot about multiple spatial axes, combined with translational adjustments, enabling variable positioning during the rolling process, and utilizing modular components like Diescher discs and guide shoes for enhanced workpiece guidance and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If high variability of lateral guides is implemented to achieve best rolling results for different workpieces, then adaptability is improved, but machine durability and rigidity deteriorate

Engineering Contradiction:
Improvevariability of lateral guidesVSAvoidmachine durability and rigidity
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The guide device is designed with adjustable components that can be positioned at different locations along the rolling direction and rotated about a transverse axis. This dynamic adjustability allows the same physical guide structure to adapt to different workpiece types and rolling conditions, achieving high variability without requiring multiple fixed guide structures that would compromise machine rigidity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The guide device serves multiple functions through its adjustable positioning and rotation capabilities. A single guide structure can be configured for different workpiece diameters, wall thicknesses, and rolling parameters, making it a universal component that replaces what would traditionally require multiple specialized guides, thereby maintaining machine durability while achieving adaptability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Manufacturing precision

If fixed guide shoes or rotatable guide discs are used for lateral support, then workpiece guidance is improved, but adaptability to different workpieces and process situations deteriorates

Engineering Contradiction:
Improveworkpiece guidance qualityVSAvoidadaptability to different workpieces
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The guide device incorporates adjustable positioning mechanisms that allow it to be moved along the rolling direction and rotated about a transverse axis. This dynamic capability enables the same guide structure to maintain precise workpiece guidance across different workpiece types, sizes, and rolling conditions, eliminating the need for multiple fixed guide configurations.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The guide device allows changes in positional parameters (location along rolling direction) and orientational parameters (rotation angle about transverse axis) to adapt to different workpiece characteristics. By varying these parameters, the guide maintains optimal contact and guidance for diverse workpieces including tubes with different diameter-to-wall thickness ratios.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12502700B2Rolling mill stand with variable lateral guide device
Publication Date: 2025.12.23 SMS GROUP GMBH
  • US12502700B2 patent drawing
  • US12502700B2 patent drawing
  • US12502700B2 patent drawing

AI summary

A rolling mill stand (1) for rolling an elongated workpiece, preferably in an cross rolling mill, wherein the rolling mill stand (1) has: two working rolls (20) forming a rolling gap(S), which are designed to roll the workpiece conveyed along a rolling direction (R); at least one guide device (30) with at least one guide (40), which is designed to laterally support the workpiece in the rolling gap(S) by the guide (40) being in contact with the workpiece; wherein the guide device (30) has an angle adjuster (33), which is designed to pivot the guide (40) about one or more, preferably three, spatial axes (x, y, z).