Metal deforming – By use of roller or roller-like tool-element – With carrier for roller-couple or tool-couple
Patent
1989-12-21
1991-04-23
Larson, Lowell A.
Metal deforming
By use of roller or roller-like tool-element
With carrier for roller-couple or tool-couple
72237, B21B 3107
Patent
active
050090968
ABSTRACT:
The invention relates to a method for the replacing of working rolls in a rolling mill, wherein there is used a swiveling roll-replacement car which runs adjacent to the working rolls of the rolling mill, on a track parallel to the roll track, and can be aligned with the roll or the roll pair to be replaced. The transfer of the working-roll pair or the working roll from the roll stand to the roll-replacement car and the transfer of a new working-roll pair or working roll from the storage rack to the roll-replacement car take place simultaneously, and the positions of these working-roll pairs or respectively working rolls are interchanged, whereafter there are simultaneously transferred the said new working-roll pair or working roll to the rolling mill and the said old working-roll pair or respectively working roll into the storage rack.
REFERENCES:
patent: 2829697 (1958-04-01), Rockhoff et al.
patent: 3376724 (1968-04-01), Wolfendale et al.
patent: 3396566 (1968-08-01), Alsop et al.
patent: 3451244 (1969-06-01), Stover et al.
patent: 3583195 (1971-06-01), Sherwood
patent: 3979939 (1976-09-01), Pazderka
patent: 4005594 (1977-02-01), Reth et al.
Henttinen Kauko
Jokipalo Pertti
Lehtoluoma Teuvo
Maenpaa Matti
Pirinen Seppo
Larson Lowell A.
Rautaruukki Oy
Schoeffler T. C.
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