Rolling unit for a rolling mill for rolling or sizing metal pipes, bars or wires
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 10, 2002
Grant Date -
Nov 1, 2001
app pub date -
Mar 28, 2001
filing date -
Mar 28, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A rolling unit for a rolling mill for rolling or sizing metal pipes, bars or wires has at least three rolls arranged in a star arrangement. Each roll has a separate drive mechanism and bearings on both sides of the roll. The rolls are adjustable radially with the bearings. A higher load can be borne with smaller outer dimensions. Furthermore the number of individual parts of the rolling unit is reduced as well as manufacturing and assembly expenses for the rolling unit. For this purpose the bearings of the roll shafts are mounted in respective eccentric sleeves, whose rotational position is continuously changed by means of an adjusting device. A securing device is provided however to fix the rolls in one rotational position.
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