Method and nozzle arrangement for a variable-width...

Details Method and nozzle arrangement for a variable-width... Method and nozzle arrangement for a variable-width...

2007-09-11

2007-09-11

Suhol, Dmitry (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

With cleaning or conditioning of tool, or lubrication of...

C072S041000, C072S043000

Reexamination Certificate

active

10481929

ABSTRACT:
The invention relates to a method for lubricating rolls, in particular for lubricating a rolling nip in rolling stands for rolled strips. According to the invention, said lubrication takes place using an oil-in-water dispersion whilst maintaining both a predetermined blend characteristic and a volumetric flow of the dispersion. The dispersion is prepared in the form of a homogeneous blend in a mixer (1) using adjustable quantities of water and oil. The dispersion is supplied to various spray zones (Zi) for a distribution (Bi) that is variable in width. Said method for roll lubrication can be improved by the allocation of at least one row of nozzles (Di) to each spray zone (Zi), which has a corresponding spray range width (Bi), each nozzle being controlled by at least one relay valve (Si).

REFERENCES:
patent: 3803888 (1974-04-01), Hostetter et al.
patent: 5090225 (1992-02-01), Schimion
patent: 5524465 (1996-06-01), Kajiwara et al.
patent: 5799529 (1998-09-01), Kivisto et al.
patent: 6089069 (2000-07-01), Seidel et al.
patent: 776710 (1997-06-01), None
patent: 1040877 (2000-10-01), None
Patent Abstracts of Japan, vol. 015, No. 333 (M-1150), Aug. 23, 1991 & JP 03 128113 A (Kawasaki Steel Corp) May 31, 1991.
Patent Abstracts of Japan, vol. 1997, No. 05, May 30, 1997 & JP 09 101817 A (Kawasaki Steel Corp), Jan. 14, 1997.

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