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Ultrasound-assisted cutting vibration system

A vibration system, ultrasonic-assisted technology, applied in the direction of the fluid using vibration, can solve the problems of low ultrasonic energy transfer efficiency, easy fracture or fragmentation, etc.

Inactive Publication Date: 2019-06-18
DALIAN JIAOTONG UNIVERSITY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0008] According to the above, when the overall superhard tool is used for ultrasonic-assisted cutting of difficult-to-machine materials, the current ultrasonic-assisted cutting vibration system has problems such as low ultrasonic energy transfer efficiency, and the tool is prone to fracture or chipping under high-frequency or large-amplitude ultrasonic vibration.

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] Such as Figure 1-Figure 6 As shown, an ultrasonic-assisted cutting vibration system includes an ultrasonic transducer, which includes a pre-tightening bolt 1, a rear cover 2 and an ultrasonic horn 3, and the pre-tightening bolt 1 passes through the rear cover 2 and the ultrasonic horn 3. The rear end of the ultrasonic horn 3 is conne...

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Abstract

The invention discloses an ultrasound-assisted cutting vibration system which comprises an ultrasonic transducer, an insulation sleeve and an overall superhard cutting tool bar. The insulation sleeveand the overall superhard cutting tool bar are located at the front end of an ultrasonic amplitude transformer; and the front end of the ultrasonic amplitude transformer and the overall superhard cutting tool bar are connected in a hot-charging interference fit way. According to the ultrasound-assisted cutting vibration system provided by the invention, the overall superhard cutting tool bar for shaping and the ultrasonic amplitude transformer for shaping are connected in the hot-charging interference fit way, so that the problems that stress concentration exists in the connecting part, and anoverall superhard cutting tool is easy to break or fragment under high-frequency or large-amplitude ultrasonic vibration are solved. Meanwhile, only one-time fitting-surface connection is adopted, sothat the assembling accuracy of the cutting tool is high, and the high-precision reliable connection for the high-frequency or large-amplitude ultrasonic cutting processing of the overall superhard cutting tool bar is realized.

Description

technical field [0001] The invention belongs to the technical field of ultrasonic machining, and in particular relates to an ultrasonic-assisted cutting vibration system. Background technique [0002] In recent years, new high-performance materials, such as superalloys, titanium alloys, high-strength steels, composite materials and other advanced materials, have been more and more widely used in aerospace and other fields due to their excellent performance. These materials show processing problems such as high processing hardness, large cutting force, high cutting temperature, severe tool wear, low processing efficiency, and unsatisfactory processing quality during processing, and are typical difficult-to-machine materials. The tools used to process such materials are mainly superhard tools such as cemented carbide tools, diamond tools, and cubic boron nitride tools. There are mainly two types of superhard blades and overall superhard tools. Superhard inserts are mainly mad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D79/00B06B1/06
Inventor 马付建张旭刘宇杨大鹏张生芳沙智华
Owner DALIAN JIAOTONG UNIVERSITY
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