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High-hardness impact-resistant wear-resistant ball and manufacturing method thereof

A technology of impact resistance, wear resistance and high hardness, which is applied in the field of wear-resistant balls, can solve problems such as the inability to detect the roundness of wear-resistant balls, and achieve the effects of ensuring fineness, preventing collisions, and avoiding damage

Inactive Publication Date: 2020-12-18
NINGGUO ZHENGXING WEAR RESISTANT MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This utility model screens wear-resistant balls of different sizes through holes with successively increasing diameters, but this device can only detect and screen the size of wear-resistant balls, and cannot simultaneously detect the roundness of wear-resistant balls

Method used

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  • High-hardness impact-resistant wear-resistant ball and manufacturing method thereof
  • High-hardness impact-resistant wear-resistant ball and manufacturing method thereof
  • High-hardness impact-resistant wear-resistant ball and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] This embodiment provides a high-hardness impact-resistant and wear-resistant ball, combined with figure 1 and figure 2 As shown, it includes a wear-resistant ball body 1 and a buffer elastic pad 2 arranged outside the wear-resistant ball body 1. The buffer elastic pad 2 is made of an elastic material, such as a rubber material. The buffer elastic pad 2 includes a The connected left hemisphere 21 and right hemisphere 22 are disassembled. When the left hemisphere 21 and the right hemisphere 22 are connected, the inner surfaces of the left hemisphere 21 and the right hemisphere 22 are all attached to the outer surface of the wear-resistant ball body 1 .

[0030] In the present invention, when the wear-resistant ball body 1 needs to be stored and transported, the cushioning elastic pad 2 is coated on the surface of the wear-resistant ball body 1 . When grinding is required, the cushioning elastic pad 2 is peeled off the surface of the wear-resistant ball body 1 . Since t...

Embodiment 2

[0037] This embodiment provides a high-hardness impact-resistant and wear-resistant ball. Its specific structure is roughly the same as that in Embodiment 1, the difference is only in the composition of the wear-resistant ball body 1. Specifically, the wear-resistant The ball body 1 includes mass fractions of 4.5% Cr, 0.2% C, 0.04% P, 0.4% Cu, 0.4% Si, 0.7% Mn, 0.4% Mo, 3.6% Ni, 0.04% Al, 0.2% V, 0.04% B, 0.08% Ti, 0.25% Nb and the rest Fe.

Embodiment 3

[0039] This embodiment provides a high-hardness impact-resistant and wear-resistant ball. Its specific structure is roughly the same as that in Embodiment 1, the difference is only in the composition of the wear-resistant ball body 1. Specifically, the wear-resistant The ball body 1 includes mass fractions of 5.5% Cr, 0.15% C, 0.025% P, 0.25% Cu, 0.3% Si, 0.6% Mn, 0.25% Mo, 2.4% Ni, 0.25% Al, 0.15% of V, 0.03% of B, 0.05% of Ti, 0.2% of Nb and the balance of Fe.

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Abstract

The invention belongs to the technical field of wear-resistant balls, and particularly relates to a high-hardness impact-resistant wear-resistant ball and a manufacturing method thereof. In order to solve the problems that in the prior art, in the storage and transportation process of wear-resistant balls, accumulated wear-resistant balls frequently collide with one another and loss of the wear-resistant balls before use is caused, the high-hardness impact-resistant wear-resistant ball and the manufacturing method thereof are provided. The high-hardness impact-resistant wear-resistant ball comprises a wear-resistant ball body and a buffer elastic cushion arranged outside the wear-resistant ball body. The buffering elastic cushion comprises a left hemisphere and a right hemisphere which aredetachably connected. When the left hemisphere and the right hemisphere are connected, the inner surface of the left hemisphere and the inner surface of the right hemisphere are both attached to theouter surface of the wear-resistant ball body. The wear-resistant ball body is sleeved with the buffer elastic cushion easy to disassemble and assemble, so that the wear-resistant ball body is isolated from rainwater and air, meanwhile, collision between the wear-resistant ball bodies in the storage and transportation process can be prevented, and the wear-resistant ball body is prevented from being damaged in the storage and transportation process.

Description

technical field [0001] The invention belongs to the technical field of wear-resistant balls, and in particular relates to a high-hardness impact-resistant and wear-resistant ball and a manufacturing method thereof. Background technique [0002] Wear-resistant ball is a kind of crushing medium used in ball mills, which is used to crush the materials in the mill. One is white cast iron with chromium as the main alloying element, referred to as chromium alloy cast iron, and chromium alloy cast iron as material Cast grinding balls are called chromium alloy cast iron grinding balls; the other is cast grinding balls made of ductile iron, which are called ductile iron grinding balls, in which the matrix structure obtained by heat treatment is mainly bainite ductile iron grinding balls for short Bainitic ductile iron grinding balls; the matrix structure obtained by heat treatment is mainly martensite ductile iron grinding balls, referred to as martensitic ductile iron grinding balls...

Claims

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Application Information

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IPC IPC(8): B02C17/20C22C38/42C22C38/02C22C38/04C22C38/44C22C38/06C22C38/46C22C38/54C22C38/50C22C38/48C21D1/18C21D6/00C21D9/36
CPCB02C17/20C21D1/18C21D6/004C21D6/005C21D6/008C21D9/36C22C38/002C22C38/02C22C38/04C22C38/06C22C38/42C22C38/44C22C38/46C22C38/48C22C38/50C22C38/54
Inventor 李根有李骏
Owner NINGGUO ZHENGXING WEAR RESISTANT MATERIALS