Rolling machine

JPWO2025009314A1Pending Publication Date: 2025-01-09
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Patent Information

Application Number
JP2025531436
Authority / Receiving Office
JP · JP
Patent Type
Applications
Priority Date
2023-07-04
Filing Date
2024-06-05
Publication Date
2025-01-09

AI Technical Summary

Technical Problem

In rolling mills, work roll deflection occurs due to uneven load distribution, leading to reduced dimensional accuracy and potential breakage of the work roll, as the load is not ideally transferred to the backup roll side, causing bending and deformation.

Method used

A rolling mill design with a first bearing supporting the backup roll and a second bearing supporting the backup roll, featuring a gap between the first bearing and its housing, allowing the work roll to move and relieve load, thereby minimizing deflection and maintaining accuracy.

Benefits of technology

The design effectively suppresses work roll deflection, maintains dimensional accuracy of the rolled material, and prevents work roll breakage by ensuring the load is primarily borne by the backup roll, simplifying control and maintenance.

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Abstract

A rolling machine (1) comprises: a work roll (10) that contacts a rolling material (K); a backup roll (20) that supports the work roll (10); a housing (30) that houses the work roll (10) and the backup roll (20); a first bearing (40) that supports the work roll (10) with respect to the housing (30); and a second bearing (50) that supports the backup roll (20) with respect to the housing (30).
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