Rolling line for the stretch-reducing of tubes

Details Rolling line for the stretch-reducing of tubes Rolling line for the stretch-reducing of tubes

1986-04-07

1988-09-06

Spruill, Robert L.

Metal deforming

By use of roller or roller-like tool-element

Plural roller-couples

72249, 74665M, B21B 1700, B21B 3510

Patent

active

047683708

ABSTRACT:
A rolling line for the stretch-reducing of tubes, has a plurality of rolling stands which are arranged closely one after the other. These rolling stands are driven by a group drive, whereby the rolling stands, or at least a part thereof, are divided into groups, the groups being defined between directly acting drive shafts (111). The stand locations lying between these drive shafts (111) are driven by way of differential gear stages (112), each combining two rotational speeds which are derived by way of gear wheel trains (113-116, 117-120) from the drive shafts (111).

REFERENCES:
patent: 3992915 (1976-11-01), Hermes et al.
patent: 4000637 (1977-01-01), Gerhards et al.
patent: 4020667 (1977-05-01), Demny et al.
patent: 4388819 (1983-06-01), Moltner
patent: 4430875 (1984-02-01), Demny et al.
Brauer, Hans, "Developments-Rolling Mill Blocks in Modern Kocks Mills", Iron and Steel Engineer, Jan. 1978, pp. 55-67.

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