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Method and device for lubricating the cylinders of a roll stand

一种轧制机架、轧辊的技术，应用在工件润滑装置、轧辊、金属轧制等方向，达到抑制皂化现象的效果

Active Publication Date: 2014-10-15
PRIMETALS TECH AUSTRIA GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The supply of hot water and its transport via the third insulated line entails a corresponding technical outlay

Method used

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  • Method and device for lubricating the cylinders of a roll stand
  • Method and device for lubricating the cylinders of a roll stand

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] figure 1 An exemplary embodiment of a device according to the invention for lubricating rolls of a rolling stand is shown schematically. For the sake of clarity, only two work rolls 12 are shown in the rolling stand, in the nip of which the rolling strip 8 is rolled.

[0019] On the entry side of the work rolls 12, the mixing and spraying mechanism 10 can be seen. This mixing and spraying mechanism 10 consists of a number of nozzle-mixer-units 1 , each of which is supplied with oil and water. Each of these nozzle-mixer-units 1 serves on the one hand as a mixer which processes oil and water into a homogeneous emulsion / suspension. On the other hand, each of these nozzle-mixer units 1 serves as an injection device which introduces the emulsion in the form of a jet into the roll nip. This addition can take place by spraying in the direction of the roll gap or in the direction of the work rolls and / or in the direction of the facing surfaces of the rolled strip. The suspe...

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PUM

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Abstract

The invention relates to a method for lubricating the cylinders of a roll stand, in particular for roll nip lubrication in a roll stand for a roll band. A mixture made out of water and oil is produced by means of a mixing and spraying device, which is supplied with water by means of a first supply line (3) and is supplied with oil by means of a second supply line (2) and said mixture is sprayed to the strip and / or into the roll nip and / or to at least one of the cylinders of the roll stand. The water flowing to the mixing and spraying device (10) is heated for a predetermined period of time by means of a control unit (9) by means of a heating device (6) provided in the first supply line (3).

Description

technical field [0001] The invention relates to a method and a device for lubricating the rolls of a rolling stand, in particular for roll gap lubrication in a rolling stand for rolling strip, wherein the mixing and The spraying unit is supplied with water and oil via a second supply line to the mixing and spraying unit, by means of which a mixture of water and oil is generated and this mixture is sprayed onto the strip and / or Spraying into the roll gap and / or onto at least one of the rolls of the rolling stand. Background technique [0002] It is known that the surface quality of the rolling stock can be improved if the coefficient of friction between the work rolls and the rolling stock is reduced during the manufacture of the rolling stock. By adding a lubricant, for example, during the production of the rolled strip, not only is less energy expended for the rolling process, but the service life of the work rolls of the rolling stand is also increased. Generally, oil an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B27/10B21B45/02
CPCB21B45/0251B21B27/10
Inventor T.布赖特R.卡尔C.莱纳
Owner PRIMETALS TECH AUSTRIA GMBH
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