Roll or roller – Rotatable relative to supporting shaft
Patent
1993-10-28
1996-08-20
Cuda, Irene
Roll or roller
Rotatable relative to supporting shaft
492 45, 492 47, B21B 3108
Patent
active
055474489
ABSTRACT:
A rotational device such as an industrial roll includes a rotational body such as a roll body and at least one journal member in the form of a stub shaft removably mounted and terminating within a journal opening provided in an end of the body. Engaged threaded portions provided in the journal opening and on the journal member prevent withdrawal of the journal member from the journal opening or separation of the abutting transverse stop surfaces on the journal member and in the journal opening. The journal opening includes a tapered portion and a tapered sleeve is interposed radially between the tapered portion of the journal opening and the journal member. A nut threaded onto the bearing member urges the tapered sleeve into engagement with the tapered portion of the journal opening further preventing relative rotational or transverse movement between the roll body and journal member. The abutting stop surfaces accurately position the bearing member axially with respect to the rotational body. The journal member is precision made and essentially dynamically balanced sufficiently by manufacture so as to not require separate dynamic balancing. The device is dynamically balanced as a whole on its journal member(s) and only the balance of the body is adjusted to bring the device into acceptable dynamic balance.
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K. H. Schminke, "Die Bedeutung des Auswuchtens bei schnellaufenden Papiermaschinen", (6 pp.), Reprinted from DAS PAPIER, 45. Jahrgang, Jul. 1991 (w/English translation, 10 pp.).
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Butler Marc W.
Cuda Irene
Robertson Grant W.
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