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WhatsApp: +86 18203695377The 5500 mm thick plate rolling mill studied in this paper adopts the bottom installation, as shown in Figure 2 and Figure 3, the HGC hydraulic cylinder is installed on the bottom of the frame, and above it is the lower support roll, the lower work roll, the upper work roll, and the upper work roll. The roll gap of a rolling mill generally ...
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WhatsApp: +86 182036953779 Rolling Mills Revamp: Roll Upgrades for Extreme Loads Case Study Timken Roll Upgrade Solution Timken suggested roll design optimization by increasing the neck diameter from Ø595 to Ø610 mm and replacing the existing fillet radius with a compound fillet (Figure 14). The bearing external diameter and width were
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WhatsApp: +86 18203695377heavier. These extreme conditions, along with old and obsolete roll designs, contribute to many of the roll neck failures that occur in 2HI mill work rolls or 4HI mill backup rolls. As a consequence, the market is demanding a rolling mills revamp to mitigate roll neck breakage in the fillet ring area under severe loading conditions.
WhatsApp: +86 18203695377rolling mill roll repair france · Modifi cation Method of Backup Roll Bearing by Replacing ... · PDFbestand. Backup roll 4high rolling mill Fig. 1 Fourhigh rolling mill and 4row cylindrical roller bearing 0 500 1 000 1 500 2 000 2 500 3 000 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 Rolling speed, m/min Tandem cold mill after modification with rolling bearing Newly .
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