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System used for restoring single crystal or oriented crystal alloy blade

A blade and single crystal technology, which is applied in metal processing equipment, welding protection devices, arc welding equipment, etc., can solve problems that threaten the service safety of blades, crack initiation and expansion at grain boundaries, and lack of grain boundary strengthening elements, etc., to achieve extended The service life and the effect of high-efficiency repair

Active Publication Date: 2018-06-05
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the lack of grain boundary strengthening elements in common nickel-based superalloy blade materials, once the grain boundary, especially the grain boundary perpendicular to the main stress axis of the blade, is formed, it is easy to cause crack initiation and propagation at the grain boundary under stress, which seriously threatens the blade. service safety

Method used

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  • System used for restoring single crystal or oriented crystal alloy blade

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Embodiment Construction

[0027] The specific embodiments of the present invention are given below in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments. Advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that all the drawings are in very simplified form and use imprecise ratios, which are only used for the purpose of conveniently and clearly assisting in describing the embodiments of the present invention.

[0028] Please refer to figure 1 , the present invention proposes a system for repairing single crystal or oriented crystal alloy blades, including a welding torch and its supporting device 1, a blade moving device 2, a repair material feeding device 3, a thermal control device 4, a protection cabin device 5 and A system for repair path planning.

[0029]The bottom of the protective cabin device 5 is provided with a blade moving device 2, and the upp...

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Abstract

The invention discloses a system used for restoring a single crystal or oriented crystal alloy blade. The system comprises a welding torch and an assorted device thereof, a blade motion device, a restoration material feeding device, a thermal control device, a protection cabin device and a system used for restoring path planning; the blade motion device is arranged at the bottom inside the protection cabin device, the welding torch and a welding torch of the assorted device are arranged at the portion, corresponding to the blade motion device, of the upper portion, and the restoration materialfeeding device is arranged at the side of the welding torch; the blade motion device is provided with a sensing heating coil controlled by a heating control device. All the devices are synergeticallycooperated to automatically and efficiently restore a blade to be restored, the restored and subsequently machined blade meets blade service requirements, and the service life is prolonged.

Description

technical field [0001] The invention relates to the field of blade repair equipment, and in particular to a system for repairing single crystal or oriented crystal alloy blades. Background technique [0002] The technical level of aero-engines is an important symbol to measure a country's comprehensive scientific and technological level, industrial basic strength and comprehensive national strength. The performance indicators of aero-engines directly determine the performance of aircraft. As an important component of aero-engines and ground-based gas turbines, the comprehensive performance of blades, such as service temperature and service life, seriously restricts the progress of aero-engine technology. At the same time, due to the extremely harsh working environment of aero-engines or ground gas turbines, blades are prone to defects such as wear, corrosion, cracks, and material loss when they work for a long time in an environment of high temperature, high pressure, and co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/04B23K9/16B23K9/32
CPCB23K9/0026B23K9/04B23K9/16B23K9/32B23K9/321
Inventor 刘宏杨冠军娄正计
Owner XI AN JIAOTONG UNIV
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