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Remelting device and method

A remelting and equipment technology, applied in welding equipment, arc welding equipment, metal processing equipment, etc., can solve problems such as the inability to adjust the effective width of the remelting layer, affect the reliability and service life of the workpiece, and achieve enhanced mechanical strength and Fatigue strength, reduced risk of cracks, and improved stability

Active Publication Date: 2017-05-17
JIANGSU XCMG CONSTR MASCH RES INST LTD
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  • Abstract
  • Description
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Problems solved by technology

[0010] A technical problem to be solved by the present invention is: the existing remelting equipment cannot adjust the effective width of the remelting layer, which easily affects the working reliability and service life of the workpiece

Method used

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  • Remelting device and method

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0047] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification.

[0048] In the description of the present invention, it shou...

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Abstract

The invention relates to the technical field of remelting, in particular to a remelting device and method. The remelting device comprises a workpiece bearing device, a remelting structure provided with a remelting piece, and a remelting piece adjustment device provided with a first adjustment device. The remelting piece adjustment device can control and achieve feeding of the remelting piece in the central axis direction of a workpiece and can further adjust the effective widths of remelting layers. The overlap amount is increased and / or the consistency of the overlap amount is improved by increasing the effective widths of all the single-pass remelting layers and / or enabling the effective widths of the different single-pass remelting layers to be kept consistent, all overlap regions are more fully melted, the risks that cracks and / or weak regions appear on the workpiece are reduced, the performance such as the mechanical strength and the fatigue strength of the workpiece can be enhanced, the working reliability of the workpiece is improved, and the service life of the workpiece is prolonged.

Description

technical field [0001] The invention relates to the technical field of remelting, in particular to a remelting device and a remelting method. Background technique [0002] The use of thermal spraying technology to form a coating on the surface of the workpiece can improve the hardness and corrosion resistance of the workpiece. However, due to the typical layered structure of the coating, there are tiny pores in the interior to varying degrees, and the combination with the substrate is based on mechanical bonding. Therefore, the wear resistance and impact resistance of the coating are limited, and it cannot be applied to harsh working conditions with heavy loads and high impact forces. The remelting treatment technology is an important technology to improve the comprehensive performance of the coating. It uses a heat source to melt the most easily melted component in the alloy, and the liquid phase generated is conducive to the strengthening of the diffusion process and the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/167B23K9/04B23K9/12B23K9/32
CPCB23K9/044B23K9/12B23K9/167B23K9/32Y02P10/25
Inventor 蹤雪梅王井员霄
Owner JIANGSU XCMG CONSTR MASCH RES INST LTD
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