Ring rolling device with axially fixed rolling bearings
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United States of America Patent
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Dec 22, 2020
Grant Date -
May 3, 2018
app pub date -
Apr 13, 2016
filing date -
Apr 17, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A ring rolling device for enlarging a ring blank includes a press element, a rotatably mounted mandrel and an advancing arrangement in which the mandrel is rotatably mounted with a first end part in a first rolling bearing and with a second end part in a second rolling bearing. The ring blank can be mounted around the mandrel. By means of the advancing arrangement, the mandrel is movable towards the press element and away from the latter again, wherein a roll gap which decreases in size, and in which the ring blank is rolled, is formed between the mandrel and the press element. The two rolling bearings are arranged axially fixed in the advancing arrangement, and the mandrel is mounted so as to be axially movable relative to these two rolling bearings.
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