Method of supplying lubrication oil in cold rolling

Details Method of supplying lubrication oil in cold rolling Method of supplying lubrication oil in cold rolling

2011-06-07

2011-06-07

Jones, David B (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

With modification or control of temperature of work, tool or...

C072S041000, C072S043000, C072S236000

Reexamination Certificate

active

07954350

ABSTRACT:
The present invention provides a method of supplying lubrication oil in cold rolling for stable rolling without heat scratches or slip and achieving high productivity and improvement of the unit consumption of lubrication oil, that is, a method of supplying lubrication oil in cold rolling by supplying a predetermined kind of emulsion lubrication oil comprised of a mixture of rolling oil and water at the rolling stand inlet from nozzles, the method characterized by measuring or estimating the pressure in the lubrication nozzle pipe (lubrication nozzle pressure), controlling the lubrication nozzle pressure of the rolling stand where lubrication is susceptible to become excessive with the predetermined emulsion lubrication oil to 0.5 MPa or more, and, while doing so, supplying the lubrication oil to the roll bite inlet of the stand by direct injection.

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Korean Office Action dated Aug. 5, 2008 issued in corresponding Korean Application No. 10-2007-7011628.
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