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Wearable alloy profile steel bushing combined roller with groove and manufacturing method thereof

A technology of wear-resistant alloy and manufacturing method, which is applied in the direction of metal rolling, metal rolling, rolls, etc., can solve the problems of low slot hardness, short service life of rolls, poor wear resistance, etc., and achieve good hardness uniformity, roll The effect of high shaft strength and excellent wear resistance

Active Publication Date: 2015-05-27
娄底市巨能高新耐磨材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, the grooved steel roll manufactured by the above method still has the disadvantages of low hardness of the groove hole, poor wear resistance and short service life of the roll.

Method used

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  • Wearable alloy profile steel bushing combined roller with groove and manufacturing method thereof
  • Wearable alloy profile steel bushing combined roller with groove and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] a roll diameter The manufacturing method of the wear-resistant alloy belt channel-shaped steel-inlaid combination roll with a roll body length of 900 mm is characterized in that the wear-resistant alloy belt-channel-shaped steel-inlaid combination roll is composed of the roll shaft 1 and the inlay by thermal fitting and bonding. In one piece, the outer layer of the sleeve is multi-component high-chromium wear-resistant alloy 2, the inner layer is low-alloy steel pipe 4, and the roller shaft 1 is placed in the low-alloy steel pipe 4 and runs through the low-alloy steel pipe 4 coaxially, specifically including the following steps:

[0037] ① Melt the outer multi-component high-chromium wear-resistant alloy melt in a 1000-kg medium-frequency induction furnace. The multi-component high-chromium wear-resistant alloy melt is composed of high-carbon ferrochrome with a mass fraction of 25% (chemical composition of high-carbon ferrochrome And the mass fraction is: 65.37% Cr, 7....

Embodiment 2

[0041] a roll diameter The manufacturing method of the wear-resistant alloy belt channel-shaped steel insert combined roll with a roll body length of 850mm is characterized in that the wear-resistant alloy belt channel-shaped steel insert combined roll is composed of the roll shaft 1 and the insert through thermal fitting and bonding compounding. In one piece, the outer layer of the sleeve is multi-component high-chromium wear-resistant alloy 2, the inner layer is low-alloy steel pipe 4, and the roller shaft 1 is placed in the low-alloy steel pipe 4 and runs through the low-alloy steel pipe 4 coaxially, specifically including the following steps:

[0042] ① Melt the outer multi-component high-chromium wear-resistant alloy melt in a 750-kg medium-frequency induction furnace. The multi-component high-chromium wear-resistant alloy melt is composed of high-carbon ferrochrome with a mass fraction of 25% (chemical composition of high-carbon ferrochrome And the mass fraction is: 62....

Embodiment 3

[0046] a roll diameter The manufacturing method of the wear-resistant alloy belt channel-shaped steel-inlaid combination roll with a roll body length of 950 mm is characterized in that the wear-resistant alloy belt-channel-shaped steel-inlaid combination roll is composed of the roller shaft 1 and the inlay by thermal fitting and bonding. In one piece, the outer layer of the sleeve is multi-component high-chromium wear-resistant alloy 2, the inner layer is low-alloy steel pipe 4, and the roller shaft 1 is placed in the low-alloy steel pipe 4 and runs through the low-alloy steel pipe 4 coaxially, specifically including the following steps:

[0047]① Melt the outer multi-component high-chromium wear-resistant alloy melt in a 1000-kg medium-frequency induction furnace. The multi-component high-chromium wear-resistant alloy melt is composed of high-carbon ferrochrome with a mass fraction of 26.5% (chemical composition of high-carbon ferrochrome And the mass fraction is: 66.44% Cr,...

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Abstract

The invention discloses a wearable alloy profile steel bushing combined roller with groove and a manufacturing method thereof and belongs to the technical field of a wearable material. The wearable alloy profile steel bushing combined roller with groove is formed by combining a roller shaft and a bushing into a whole in a hot charging and cementation composite way; the outer layer of the bushing is made from a multi-element high chromium wear-resistant alloy; the inner layer of the bushing is a low-alloy steel pipe; the roller shaft is arranged in the low-alloy steel pipe and coaxially penetrates through the low-alloy steel pipe. The roller shaft is high in strength; the roller shaft and the bushing are well combined; the roller shaft can be repeatedly used and is simple and convenient to detach. The profile steel bushing combined roller with groove has excellent wear resistance and has good economic benefit after being popularized and applied.

Description

technical field [0001] The invention discloses a composite roll and a manufacturing method thereof, in particular to a composite roll with a wear-resistant alloy band grooved steel inlay and a manufacturing method thereof, and belongs to the technical field of wear-resistant materials. Background technique [0002] The rolls used for hot-rolled section steel such as angle steel, channel steel, round steel, steel pipe, steel window, rail, steel beam, etc. are different from the rolls used for rolling strips. The surface of the roll body is different according to the variety and specification of the rolled section steel. Hole pattern of shape and size. Therefore, the centrifugal casting method and continuous pouring outer layer method used to manufacture strip rolls are not suitable for manufacturing grooved steel rolls. Because the thickness of the outer layer of the composite roll produced by these methods is limited, the depth of the pass of the large and medium-sized stee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B27/02B22D19/00C22C33/04
Inventor 颜建文
Owner 娄底市巨能高新耐磨材料有限公司
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