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Inner hole surface ultrasonic shot peening strengthening device

An ultrasonic shot peening and strengthening device technology, which is applied in the field of parts surface strengthening equipment, can solve the problems of high energy consumption, large amount of shot peening, and large environmental pollution, and achieve the effects of low energy consumption, space saving, and low environmental pollution

Inactive Publication Date: 2017-11-10
SHENYANG AEROSPACE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide an ultrasonic shot-peening strengthening device for the surface of the inner hole, which is used to solve the problem of large amount of shot-peening, large environmental pollution, high energy consumption, space occupation and strengthening effect on the inner hole of the existing shot blasting machine. bad question

Method used

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  • Inner hole surface ultrasonic shot peening strengthening device

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Experimental program
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Effect test

Embodiment 1

[0018] like figure 1 As shown, the ultrasonic shot peening device on the surface of the inner hole includes a cover plate 6, a workbench 3 and an ultrasonic vibrating head 1. The part 5 to be processed has a through hole, and the working table 3 is provided with a positioning hole. The ultrasonic vibrating head 1 consists of The mechanical arm 2 is clamped and installed in the positioning hole. The mechanical arm 2 clamps the ultrasonic vibration head 1 and can move up and down along the axis of the positioning hole. By controlling the mechanical arm 2, the depth of the ultrasonic vibration head 1 entering the through hole can be changed. The ultrasonic vibration head 1 is connected to the transducer through the horn, and the transducer is electrically connected to the ultrasonic generator. After the ultrasonic generator is powered on, a high-frequency electrical oscillation signal of 15-40KHz is sent to the transducer, and the transducer will receive The received electrical o...

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Abstract

The invention relates to an ultrasonic shot peening strengthening device for the surface of an inner hole. The ultrasonic shot peening strengthening device for the inner hole surface includes a cover plate, a workbench and an ultrasonic vibrating head. The workbench is provided with a positioning hole and has a through hole The part to be processed is fixed on the workbench by a fixture, the ultrasonic vibration head is movably installed in the positioning hole, the through hole of the part to be processed corresponds to the positioning hole, so that the ultrasonic vibration After the head passes through the positioning hole, it enters the through hole from the lower port of the through hole. The cover plate is fixed above the part to be processed, and the upper port of the through hole is blocked by the cover plate to form a closed cavity. Several shots are placed. The ultrasonic shot-peening strengthening device of the inner hole surface of the present invention has the advantages of low energy consumption, space saving, low environmental pollution, less shot peening consumption and good strengthening effect on the inner hole surface of parts.

Description

technical field [0001] The invention relates to the technical field of part surface strengthening equipment, in particular to an ultrasonic shot peening strengthening device for inner hole surfaces. Background technique [0002] Disc and shaft parts of aeroengines include: turbine discs, compressor blade discs, bearings, gear discs, etc., which usually need to withstand high cycle fatigue loads during engine operation. In order to improve the fatigue strength of such parts, the surface strengthening process is generally used for strengthening treatment. [0003] Shot peening is the most common surface strengthening process in this field. Traditional shot peening equipment mainly includes two types of pneumatic shot blasting machine and centrifugal shot blasting machine. The pneumatic shot blasting machine is supplied with compressed air by an air compressor. When the air passes through the spray gun, the negative pressure will cause the shot peening to be sucked in and ejec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D7/06
CPCC21D7/06
Inventor 蔡晋刘建邦王征
Owner SHENYANG AEROSPACE UNIVERSITY
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