Rolling mill

Details Rolling mill Rolling mill

1998-08-12

2000-01-25

Butler, Rodney

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72237, B21B 3107, B21B 3124

Patent

active

060166797

ABSTRACT:
A rolling mill having a plurality of roll units, a rolling-reduction adjusting device of an eccentric-cartridge type, and a roll-alignment adjusting device, all mounted on its housing. The housing is split into freely separable and joinable first and second housing segments. The housing segments have semicircular bearing-holder segments formed in their joint surfaces. The shafts of the roll units are held between the first and second housing segments by being journaled in eccentric cartridges which are fitted in the bearing holders consisting of the semicircular bearing-holder segments. The roll-alignment adjusting device includes adjusting mechanisms and chucks to connect the shaft ends of the roll units to the adjusting rods of the adjusting mechanisms. Each adjusting mechanism further comprises (i) an outer nut which is fixed to the housing and has internal threads, (ii) a middle nut which has internal and external threads, the external threads engaging the internal threads of the outer nut, and is rotated externally, and (iii) an adjusting rod which has external threads to engage the internal threads of the middle nut. A first thread joint is defined by the internal threads of the outer nut. An external thread is defined by the middle nut and the second thread joint by the internal threads of the middle nut and the external threads of the adjusting rod. The first and second thread joints are each given a thread of the opposite hand and a different pitch.

REFERENCES:
patent: 4581911 (1986-04-01), Shinomoto

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