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Wear-resistant cutting ring and method of making the same

A manufacturing method and technology of cutting rings, which are applied in the direction of liquid variable displacement machinery, parts of pumping devices for elastic fluids, variable displacement pump components, etc., can solve the problems of complex process, poor bonding force, high cost, etc. Achieve the effect of good overall structure and prolong service life

Inactive Publication Date: 2015-09-16
湘潭天一焊接新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structural strength of the wear-resistant layer coated by coating is relatively poor, and the bonding force of the two different materials is also relatively poor. At the same time, the process is more complicated and the cost is correspondingly higher.

Method used

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  • Wear-resistant cutting ring and method of making the same
  • Wear-resistant cutting ring and method of making the same
  • Wear-resistant cutting ring and method of making the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1, the present invention includes a cutting ring body 1, a wear-resistant surfacing inner ring 2 and a wear-resistant surfacing outer ring 4, and a wear-resistant layer is integrally surfacing on the inner wall, outer wall and outer end of the cutting ring body 1 to form The wear-resistant surfacing inner ring 2 , the wear-resistant surfacing outer ring 4 and the wear-resistant surfacing end ring 5 are connected as a whole. In the present invention, the wear-resistant surfacing inner ring, the wear-resistant surfacing outer ring and the wear-resistant surfacing end ring are formed by surfacing on the processing equipment at one time, which not only meets the technological requirements of the concrete pump, but also has good overall structure, and can be manufactured Double the service life of the cutting ring. In order to strengthen the working strength of the cutting ring and prolong the service life, the thickness of the wear-resistant surfacing end ring 5 ...

Embodiment 2

[0019] Embodiment 2, the outer ends of the wear-resistant surfacing inner ring 2 and the wear-resistant surfacing outer ring 4 of the present invention are connected with the wear-resistant surfacing end ring 5 to form a whole, and at the same time, the wear-resistant surfacing inner ring 2 and the wear-resistant surfacing The surfacing thickness of the grinding surfacing outer ring 4 is controlled between 4-5mm, preferably 4mm, and the thickness of the wear-resistant surfacing end ring 5 should be greater than 5mm, generally controlled between greater than 5mm and less than 8mm. refer to Figure 2 to Figure 4 , all the other are with embodiment 1.

Embodiment 3

[0020] Embodiment 3, the present invention can also form the wear-resistant surfacing inner ring 2, the wear-resistant surfacing outer ring 4 and the wear-resistant surfacing end ring 5 on the processing equipment at one time, thereby reducing the process production process and improving production efficiency . The thickness of the wear-resistant surfacing end ring 5 is preferably controlled between 5.5-6.5 mm, and preferably 6 mm. refer to Figures 1 to 3 , all the other are with above-mentioned embodiment 2.

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Abstract

A wear-resistant cutting ring and its manufacturing method. It mainly solves the technical problems that the alloy embedded in the existing cutting ring is fragile or the strength of the coating layer is insufficient. The key points of the technical scheme are: integrally surfacing wear-resistant layers on the inner wall, outer wall and outer end of the cutting ring body (1), forming a wear-resistant surfacing inner ring (2) and a wear-resistant surfacing outer ring ( 4) and the wear-resistant surfacing end ring (5), the thickness of the wear-resistant surfacing end ring (5) is greater than the thickness of the wear-resistant surfacing inner ring (2) and the wear-resistant surfacing outer ring (4). It forms the wear-resistant surfacing inner ring, wear-resistant surfacing outer ring and wear-resistant surfacing end ring on the processing equipment at one time, which not only meets the technological requirements of the concrete pump, but also has a good overall structure and can be doubled. Prolong the service life of the cutting ring. It can be widely used in process equipment such as concrete delivery pumps.

Description

technical field [0001] The invention relates to a cutting ring, in particular to a cutting ring for a concrete conveying pump and a manufacturing method thereof. Background technique [0002] In the construction of high-rise buildings, dams, airports, tunnels and other projects, the method of transporting concrete by shoulders and trucks has long been removed, and concrete delivery pumps are used for delivery. Since 1999, people have used iron-based cutting rings for wear parts of delivery pumps. After cemented carbide materials, its service life has increased by 8-10 times. However, with the development of the construction industry, especially the construction of high-rise buildings above 100 meters and the increase of the cement grade from 30-50 to 100-120, the wear of the cutting ring of the wearing part is accelerated, and it needs to be replaced in one or two days on average. The shortening of the service life of the cutting ring may cause the concrete plugging of hund...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B53/00F04B15/02B23P15/00
Inventor 周才武刘铁强张清辉
Owner 湘潭天一焊接新材料有限公司