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Cooled strand guide rolls

A technology of stranded wires and guide rollers, which is applied in metal rolling and other directions, and can solve the problems of reduced firmness of rollers and unproposed problems

Active Publication Date: 2017-09-29
PRIMETALS TECH AUSTRIA GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage with the known strand guide rollers is that the coolant has to be introduced from the bearing housing into the roller and removed on the opposite side in each case via rigid or flexible connecting parts and via rotating ducts
Thus the robustness of the roll is reduced
[0003] The cited prior art does not suggest a way of simplifying the construction and especially eliminating the sensitive rotating catheter

Method used

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  • Cooled strand guide rolls
  • Cooled strand guide rolls
  • Cooled strand guide rolls

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0057] figure 1 Shows a perspective illustration of an undriven strand guide roll 30 for supporting and guiding a strand with a billet or bloom profile in a strand casting machine according to the invention. Strand. Steel strands (not shown) are supported on the cylindrical surface of a rotatable roller sleeve 12 which is rotatably supported on a fixed shaft 11 by means of bearings 13a, 13b in figure 1 not shown in (see Figure 4 ).

[0058] figure 2 show figure 1 A side view of the strand guide roller 30. Each bearing housing 10a, 10b may be connected to a strand guide or a length of strand guide by means of eccentric holes and fastening means (not shown) such as screws.

[0059] image 3 The right bearing housing 10b and the coolant (eg water) flowing through it are schematically shown. As illustrated by the lower arrow, the cooling water enters the bearing housing 10b from below and in this case flows upward in a vertical direction. The cooling water is then redir...

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PUM

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Abstract

The invention relates to a strand guide roller (30) for guiding a steel strand in a strand casting machine and to a method for cooling the strand guide roller (30) using a coolant. The aim of the invention is to provide a particularly robust cooled strand guide roller (30). This is achieved by a strand guide roller (30) having - a left (10a) and a right bearing block (10b); - a stationary axle (11), said stationary axle (11) being connected to the left (10a) and to the right bearing block (10b) in a torsionally rigid manner; - a cylindrical roller casing (12) and a left (13a) and a right bearing (13b), said roller casing (12) being supported by the left and right bearing (13a, 13b) in a rotatable manner relative to the stationary axle (11); and - a water conducting casing (1), wherein the water conducting casing (1) can conduct cooling water from a left cavity (14a) between the axle (11) and the water conducting casing (1) in the region of the left bearing (13a) into a longitudinal space (16) between the water conducting casing (1) and the roller casing (12), along the longitudinal space (16) in an axial (x) and a tangential direction (t), and from the longitudinal space (16) into a right cavity (14b) between the water conducting casing (1) and the axle (11) in the region of the right bearing (13b).

Description

technical field [0001] The invention relates to a strand guide roll for guiding a steel strand in a strand casting machine and to a method for cooling the strand guide roll in a strand casting machine with a coolant. Background technique [0002] WO 2004 / 065040 A1 discloses a cooled strand guide roll in which the coolant first cools the bearing in the left bearing housing and then flows through the roller from the left bearing housing to the right bearing housing, where the , the coolant cools the bearing again. A disadvantage with the known strand guide rollers is that the coolant has to be introduced from the bearing housing into the roller and then removed on the opposite side via rigid or flexible connecting parts in each case and via the rotating duct. The robustness of the roller is thus reduced. [0003] The cited prior art does not suggest a way to simplify the construction and in particular to do away with the sensitive rotating catheter. Contents of the inventi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/128
CPCB21B1/46B21B2027/083B22D11/0682B22D11/1287B22D11/128
Inventor R.西蒙A.特劳纳M.鲁克鲍尔
Owner PRIMETALS TECH AUSTRIA GMBH