Low-temperature auxiliary pre-mixed abrasive water jet device and method

A pre-mixed abrasive and auxiliary device technology, which is applied to the used abrasive processing device, abrasive jet machine tool, abrasive, etc., can solve the problems of high water pump pressure demand and insufficient processing accuracy, and achieve the effect of reducing temperature

Pending Publication Date: 2022-08-05
ANHUI UNIV OF SCI & TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0003] Abrasive water jet processing technology has unique advantages, but there are also many bottlenecks restricting its development, such as high water pump pressure requirements, insufficient processing accuracy, etc.

Method used

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  • Low-temperature auxiliary pre-mixed abrasive water jet device and method

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Embodiment Construction

[0025] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0026] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "side", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplify the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invent...

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Abstract

The invention provides a low-temperature auxiliary pre-mixed abrasive water jet device and method.The low-temperature auxiliary pre-mixed abrasive water jet device comprises a pre-mixed abrasive water jet device body and a low-temperature auxiliary device.The pre-mixed abrasive water jet device body is provided with a high-pressure water pump, a mixing cavity, an abrasive tank, a sand valve, a numerical control platform and a high-pressure water nozzle which are sequentially connected; the low-temperature auxiliary device is provided with a liquid nitrogen nozzle, an air valve, a liquid nitrogen tank and an air pump which are sequentially connected. According to the low-temperature-assisted pre-mixed abrasive water jet method, high-pressure abrasive water jet is sprayed out of water jet through a central pipeline and a high-pressure water nozzle, liquid nitrogen forms liquid nitrogen jet through a liquid nitrogen nozzle, the liquid nitrogen jet beats a target object in the front to form a low-temperature area, and the high-pressure water jet beats the low-temperature area in the rear, namely, the low-temperature-assisted pre-mixed abrasive water jet method is achieved. The low-temperature auxiliary device is additionally arranged on the pre-mixed abrasive water jet device, so that the temperature of abrasive water jet in the cutting process is reduced, the cutting pressure is reduced to a certain extent, and the surface cutting quality is improved.

Description

technical field [0001] The invention relates to the technical field of high-pressure abrasive water jets, in particular to a low-temperature auxiliary premixed abrasive water jet device and method. Background technique [0002] With the development of production and the needs of scientific experiments, the demand for high hardness, high brittleness and high melting point metals continues to grow. Many industrial sectors, especially the national defense industry, require cutting-edge scientific and technological products to develop in the direction of high precision, high temperature, and high pressure. The materials they use are becoming more and more difficult to process, and the requirements for processing accuracy and surface roughness are also getting higher and higher. , Machining and other traditional processing methods have the disadvantages of easy tool wear, few optional materials, and large tangential force, and it is difficult to achieve good processing efficiency...

Claims

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Application Information

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IPC IPC(8): B24C1/04B24C3/02B24C9/00F25D3/10
CPCB24C1/045B24C3/02B24C9/00F25D3/10Y02P70/10
Inventor 刘力红杨帆谢淮北
Owner ANHUI UNIV OF SCI & TECH
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