Ultrasonic-vibration surface-enhanced and finishing processing device with electric-contact heating assistance

An ultrasonic vibration and finishing technology, applied in the field of electric contact heating assisted ultrasonic vibration surface strengthening and finishing equipment, can solve the problems of large ultrasonic vibration impact energy, tool system and machine tool influence, etc., to reduce surface roughness, Improve the quality of the machined surface and ensure the effect of machining accuracy and stability

Inactive Publication Date: 2014-01-01
SHANDONG UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing ultrasonic vibration surface strengthening and finishing process is carried out under normal temperature conditions, which requires a large impact energy of ultrasonic vibration, which has a certain impact on tool systems and machine tools

Method used

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  • Ultrasonic-vibration surface-enhanced and finishing processing device with electric-contact heating assistance

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Such as figure 1 As shown, the electrical contact heating assisted ultrasonic vibration surface strengthening and finishing device, including brushes, spindles, wires, arc extinguishing devices, low-voltage DC power supplies, ultrasonic transducers, horns, ultrasonic generators, cutter heads, and workpieces , Chuck. The cutter head, power supply, arc extinguishing device, electric brush set on the main shaft, main shaft, chuck and workpiece of the electric contact heating assisted ultrasonic vibration surface strengthening and finishing device are sequentially connected in series to form a conductive circuit. The generated current makes the material in the contact part of the workpiece surface and the cutter head generate Joule heat to instantly heat up and soften, and combine with ultrasonic vibration to achieve finishing, surface strengthening...

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Abstract

The invention discloses an ultrasonic-vibration surface-enhanced and finishing processing device with electric-contact heating assistance. The ultrasonic-vibration surface-enhanced and finishing processing device comprises an electric brush, a main shaft, a guide line, an arc-extinguishing device, a power supply, an ultrasonic-vibration generation device, a workpiece and a chuck, wherein a knife head of the ultrasonic generation device, the power supply, the arc-extinguishing device, the electric brush sheathed on the main shaft, the main shaft, the chuck and the workpiece are connected in sequence and in series to form a conducting loop; current generated in the conducting loop is utilized to enable a material of the contact part between the surface of the workpiece and the knife head to generate joule heat for instantaneous warming and softening, and by combination of ultrasonic vibration, finishing processing, surface enhancement, fine-grain enhancement and residual stress elimination are realized. The invention also discloses an ultrasonic-vibration surface-enhanced and finishing processing method with the electric-contact heating assistance utilizing the device. The ultrasonic-vibration surface-enhanced and finishing processing device and method disclosed by the invention have the advantages that the structure is simple, the precise finishing processing and surface enhancement of various conducting materials can be realized, the quality of the processed surface can be improved, the surface roughness is reduced, the surface residual stress can be eliminated, and the ultrasonic vibration also can play a role in enhancing fine grains of the material of the surface of the workpiece.

Description

technical field [0001] The invention relates to an electric contact heating assisted ultrasonic vibration surface strengthening and finishing processing device and method. Background technique [0002] At present, the ultrasonic vibration surface strengthening and finishing process is to apply some regular and controllable ultrasonic vibration on the cutter head, so that the cutter head impacts the surface of the workpiece at high frequency, and the ultrasonic vibration impacts on the workpiece surface. The surface is strengthened and slightly deformed to complete the strengthening treatment and finishing of the workpiece surface. Ultrasonic vibration surface strengthening and finishing can improve surface microhardness, wear resistance, fatigue life of parts, reduce surface roughness, eliminate surface residual stress, and refine grains of workpiece surface materials. The existing ultrasonic vibration surface strengthening and finishing process is carried out under normal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P9/04C21D7/13
CPCB23P9/04C21D7/13
Inventor 张建华尹纪财
Owner SHANDONG UNIV
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