Surfacing technology for ring-type workpiece

A welding process and workpiece technology, which is applied in the field of surfacing welding of ring workpieces, can solve the problems of low welding efficiency and high labor intensity of manual welding, and achieve the effect of improving efficiency and quality.

Inactive Publication Date: 2018-11-06
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a surfacing welding process for ring-type workpieces, so as to solve the technical problems of low welding efficiency and high labor intensity in the prior art.

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  • Surfacing technology for ring-type workpiece
  • Surfacing technology for ring-type workpiece

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Embodiment Construction

[0037] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0038] The invention provides a surfacing welding process for a ring-type workpiece, comprising the following steps:

[0039] S1. Make the surfacing device move along the predetermined track in the circumferential direction of the workpiece 4 to be welded or make the surfacing device rotate. Each time it moves along the predetermined track in the circumferential direction or rotates each time, the welding device Complete the distribution of at least one weld be...

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Abstract

The invention provides a surfacing technology for a ring-type workpiece, and relates to the technical field of welding. The technical problems that in the prior art, manual welding is low in welding efficiency and large in labor intensity are solved. The surfacing technology for the ring-type workpiece comprises the following steps that S1, a surfacing device moves along a predetermined track in the circumferential direction of a to-be-welded piece or autorotates, and each time the surfacing device moves along the predetermined track in the circumferential direction or autorotates, distribution of one or more weld beads on the corresponding area of a to-be-surfaced area of the to-be-welded piece is completed by a welding device; and S2, the step S1 is executed repeatedly until all the weldbead distribution is completed, and thus surfacing treatment on the to-be-surfaced area is achieved. The surfacing technology is used for improving the surfacing efficiency, reducing the labor intensity and improving the surfacing quality.

Description

technical field [0001] The invention relates to the field of welding technology, in particular to a surfacing welding process for a ring-shaped workpiece. Background technique [0002] Overlay welding is a welding method in which metal is melted by electric welding or gas welding, and deposited on tools or machine parts, and is usually used for surface repair and strengthening. The nuclear power partition is used to fix the nozzle blades and divide the inner space of the entire generator cylinder into several steam chambers. It is the core part of nuclear power steam engine power generation. The structure of the board is rather special, and the manufacturing process is more complicated. [0003] Surfacing welding is usually carried out on the ring-type separator to improve the performance of the ring-type separator. Some existing ring-type separators are usually manually surfacing. Low, the labor intensity of welding is high, and the quality of welding is difficult to guar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/04B23K9/32B23K37/02
CPCB23K9/04B23K9/32B23K37/02
Inventor 薛龙曹莹瑜梁亚军黄继强邹勇黄军芬
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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