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A light-water coaxial laser shock peening device

A laser shock strengthening and coaxial technology, which is applied in the field of laser shock strengthening processing, can solve the problems that the laser shock strengthening device is difficult to apply surface impact strengthening, and achieve the effect of improving surface strengthening ability and reducing volume

Active Publication Date: 2022-02-11
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a light-water coaxial laser shock peening device to solve the problem that the existing laser shock peening device is difficult to apply in a narrow space or a semi-enclosed space to achieve surface shock peening

Method used

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  • A light-water coaxial laser shock peening device
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Embodiment Construction

[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0023] Such as figure 1 As shown, the present invention includes a housing 1, a laser focusing lens 3, a laser window 4 and a nozzle 6, a hydraulic equalization chamber 5 is provided in the housing 1, and a laser window 4 is provided on one side of the hydraulic equalization chamber 5 , the other side is provided with a nozzle 6, a laser focusing lens 3 is located in the housing 1 and outside the laser window 4, the rear end of the housing 1 is provided with an opening and the laser light 2 emitted by the pulse laser is emitted by the housing 1 After being injected into the rear end opening, the liquid in the laser focusing lens 3, the laser window 4 and the hydraulic equalization chamber 5 is irradiated in the nozzle 6, and the housing 1 is provided with an interface 8 and the liquid The hydraulic equalization chamber 5 communicates with each other, and the...

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Abstract

The invention relates to the field of laser shock peening processing, in particular to a light-water coaxial laser shock peening device, which includes a casing, a laser focusing lens, a laser window and a nozzle, and a hydraulic equalization cavity is arranged in the casing, and One side of the hydraulic equalization chamber is provided with a laser window, and the other side is provided with a nozzle. An interface is provided on the housing to communicate with the hydraulic equalization chamber. A laser focusing lens is arranged in the housing and on the Outside the laser window, the laser is injected from the rear opening of the housing and passes through the laser focusing lens, the laser window and the liquid in the hydraulic equalization chamber in sequence, and then irradiates into the nozzle. There is a jet port, and after the liquid passes through the nozzle, it forms a jet and is ejected from the jet port, and the laser light enters the jet and propagates along the direction of the jet. The invention effectively solves the problem that the existing laser shock strengthening device is difficult to apply to the impact strengthening of the inner surface of a narrow space or a semi-enclosed space.

Description

technical field [0001] The invention relates to the field of laser shock strengthening processing, in particular to a light-water coaxial laser shock strengthening device. Background technique [0002] Laser shock peening technology has been widely used in the surface performance strengthening treatment of structural parts of various metal materials. Laser shock peening technology generally uses water or mineral oil as a confinement layer to limit the plasma diffusion generated by the laser, thereby forming an effective shock wave to strengthen the workpiece material. Therefore, in the existing laser shock peening equipment, it is necessary to place a water jet nozzle near the workpiece so as to form a constrained layer on the surface of the workpiece. However, when laser shock peening is performed on surfaces in narrow or semi-enclosed spaces, water jet nozzles often do not have enough space to place them, which greatly limits the application range of laser shock peening t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D10/00
CPCC21D10/005
Inventor 曹治赫赵吉宾乔红超陆莹孙博宇张旖诺于永飞
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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