Ultrasonic-assisted fluid cavitation grinding equipment

An auxiliary fluid and ultrasonic technology, applied in the direction of metal processing equipment, abrasives, abrasive jet machine tools, etc., can solve the problems of damaged dimensional integrity, uneven processing, abrasive aggregation, etc., to achieve enhanced surface quality, faster movement speed, air The effect of chemical strength enhancement

Pending Publication Date: 2022-05-13
ZHEJIANG UNIV
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  • Abstract
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Problems solved by technology

[0005] The present invention proposes an ultrasonic-assisted fluid cavitation grinding equipment to solve the problems existing in the background tec

Method used

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  • Ultrasonic-assisted fluid cavitation grinding equipment
  • Ultrasonic-assisted fluid cavitation grinding equipment
  • Ultrasonic-assisted fluid cavitation grinding equipment

Examples

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Example Embodiment

[0033] Those skilled in the art should be clear that the present embodiment is only intended to better explain and illustrate the use of the present invention, and can not be used to limit the present invention.

[0034] as Figure 1 As shown, the present invention includes a bracket, a controller 1, an ultrasonic auxiliary system 2, an upstream valve 3, a downstream valve 4, a cavitation intensity monitor 5, a cavitation chamber 6, a accumulator 7, a variable flow pump 8 and a fluid source 9; the outlet of the variable flow pump 8 is sequentially connected via the accumulator 7, the upstream valve 3, the cavitation chamber 6, the cavitation intensity monitor 5, the downstream valve 4 and the fluid source 9 are connected to the inlet of the variable flow pump 8 to form a closed loop; wherein the cavitation intensity monitor 5 is an acoustic sensor, a acoustic emission sensor or a PVDF sensor Variable flow pump 8 is a plunger pump or peristaltic pump, which can transport fluid in o...

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Abstract

The invention discloses ultrasonic-assisted fluid cavitation grinding equipment. The equipment mainly installs the component in a flow loop, and a pump in the loop drives fluid to pass through an internal channel of the component; the cavitation inducer is mounted on the nozzle, so that the flowing fluid generates bubbles; the bubbles explode in an internal channel of the component to generate high-energy microjet, and the surface of the channel is polished; meanwhile, the ultrasonic generator moves outside the component, the cavitation strength of fluid in an internal channel of the component can be selectively enhanced, and uneven polishing is prevented; the grinding medium in the fluid can further machine the surface of the channel through the abrasion mechanism of the abrasive particles. According to the equipment, the surface smoothness of a component is greatly improved, the impact pressure on the surface of the component is enhanced by increasing the movement speed of a grinding medium, the improvement effect of the grinding medium on the surface quality is greatly enhanced, the number of bubbles is increased, the cavitation strength is enhanced, and the treatment effect on the surface of a channel is greatly enhanced.

Description

technical field [0001] The invention relates to a polishing device in the field of metal component surface polishing, in particular to an ultrasonic-assisted fluid cavitation grinding device. Background technique [0002] 3D additive manufacturing has become an important manufacturing method in the manufacturing industry and is widely used in the aerospace and automotive industries to manufacture components with complex shapes. However, the surface finish of metal parts manufactured by additive manufacturing is generally not high, especially for the internal channels of the parts, further processing is required to reduce the surface roughness. [0003] For the treatment of the surface of the internal channel of the component, traditional machining has the problem of inaccessibility, because the internal channel aperture of the general component is relatively small, so new polishing methods have been proposed for this problem, such as AFM (Abrasive Flow Machining), Chemical ...

Claims

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Application Information

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IPC IPC(8): B24C3/32B24C7/00B24C5/04B24C9/00
CPCB24C3/325B24C7/0007B24C5/04B24C9/00
Inventor 邹俊何锡威林方烨
Owner ZHEJIANG UNIV
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