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Non-standard roll collar

A roll ring, non-standard technology, applied in the direction of rolls, metal processing equipment, metal rolling, etc., can solve the problem of waste of standard roll rings, achieve the effect of reducing capital occupation, low consumption, and reduced repair costs

Active Publication Date: 2020-11-27
辛集市澳森钢铁集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a non-standard roller ring, which is used to solve the problem of serious waste of standard roller rings in use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 2 As shown, a non-standard roll ring, which includes an annular roll ring body 1 and two roll grooves 3 arranged on the outer circumference of the roll ring body 1, the center of the roll ring body 1 is a hole for connecting with the shaft . The two roll grooves 3 have the same groove type, both of which are semicircular. The width of the roll groove 3 is 39.3 mm, and the rolling center distance of the rolling mill corresponding to the roll ring is 27.5 mm. When the roll ring is rolled, the inside of the roll groove 3 The size of the steel billet 2 in the axial direction of the roller ring body 1 is 35.2 mm.

[0022] The formula for calculating the thickness of non-standard roll rings is:

[0023] The thickness of the roller ring body 1 is H, the rolling center distance is Z, the pass width is W, and f is the correction coefficient, then it satisfies

[0024] H=3Z+1 / 2W-f.

[0025] The units of H, Z and W in the formula are millimeters, and f is selec...

Embodiment 2

[0033] This embodiment is to improve on the problems of the original roller ring on the station. An eight-inch standard roll ring was originally used in the pre-finishing station of a high-end rolling mill. The size of the roll ring body 1 of this roll ring is 126 mm in inner diameter, 228.3 mm in outer diameter, and 72 mm in thickness. If only one The semi-elliptical roller groove 3 will cause a lot of waste, but the thickness of the roller ring body 1 is a standard size, and the width of the semi-elliptical roller groove 3 is larger than that of the semicircular roller groove 3, so the roller ring body The thickness of 1 is not enough to open two semi-elliptical roller grooves 3. In order to reduce waste and make full use of the thickness of the roller collar body 1, the roller collar body 1 is opened as follows: Figure 4 A semi-elliptical roll groove 3 and a semi-circular roll groove 3 are shown.

[0034] In actual production, the usage rate of the semi-elliptical roll g...

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Abstract

The invention discloses a non-standard roll collar. The non-standard roll collar comprises an annular roll collar body and two roll grooves formed in the outer circle of the roll collar body, and a hole used for being connected with a shaft is formed in the center of the roll collar body. The calculation formula of the thickness of the non-standard roll collar is that the rolling center distance is Z, the pass width is W, f is a correction coefficient, and H = 3Z + 1 / 2W-f. When one roller groove of the non-standard roll collar is abraded, the abraded roller groove can be detached, the non-standard roll collar can continuously produced by the other roller groove, so that the service life of the non-standard roll collar can be doubled, the purchase and grooving cost of the raw material is only increased by 45% compared with that of a roll collar with a single roller groove, the cost performance is very high, and the capital occupation of spare parts is reduced; and when the two roller grooves of the roll collar are abraded, the non-standard roll collar is detached, then the outer diameter of the roll collar body is ground to be small, and then the two roller grooves are ground to thesize before abrasion, therefore, the repair cost of the non-standard roll collar can be further reduced compared with that of a roll collar with a single roll groove.

Description

technical field [0001] The invention relates to the technical field of high-speed wire production equipment, in particular to a non-standard roller ring. Background technique [0002] Roll ring is one of the main consumables in high-speed wire production. After rough rolling, intermediate rolling, pre-finish rolling and finish rolling, the high-temperature billet passes through multiple pairs of roll rings in turn, and there are standard-sized roll grooves on the circumference of the roll rings. After rolling, the cross-sectional shape of the billet gradually changes from a rectangle to an ellipse, and finally to a circle. Due to the harsh working environment of the roller ring, the material performance requirements are extremely high. At present, the roll rings used in the pre-finishing and finishing rolling processes are made of tungsten carbide powder and binder through powder metallurgy technology under high temperature and high pressure conditions, and have the charac...

Claims

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Application Information

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IPC IPC(8): B21B27/02
CPCB21B27/024
Inventor 张强王建良王闯苏光宇刘连珠闫世强苏栓乔晓光刘朗赵志普
Owner 辛集市澳森钢铁集团有限公司
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