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Indexable three-degree-of-freedom high-bandwidth vibration auxiliary cutting device

A technology of cutting device and degree of freedom, applied in the direction of positioning device, feeding device, manufacturing tools, etc., to achieve the effect of small mass, compact device structure and reasonable design

Active Publication Date: 2020-10-13
SHANDONG UNIV OF TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The invention provides an indexable three-degree-of-freedom high-bandwidth vibration-assisted cutting device, the purpose of which is to realize more flexible adjustment of the tool movement trajectory, higher working bandwidth, and the ability to switch between different cutting methods, and improve the ability of the device to process different configurations. Applicability of machine tools and equipment to solve the shortcomings of existing elliptical vibration assisted cutting devices

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  • Indexable three-degree-of-freedom high-bandwidth vibration auxiliary cutting device
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  • Indexable three-degree-of-freedom high-bandwidth vibration auxiliary cutting device

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Embodiment Construction

[0020] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings.

[0021] Such as figure 1 , figure 2 As shown in Figure 4, an indexable three-degree-of-freedom high-bandwidth vibration-assisted cutting device is composed of an elliptical vibration-assisted cutting device 3, a precision turntable 2 and a fixed base 1. Four symmetrically distributed The through holes 101 cooperate with the four symmetrically distributed through holes at the rear of the precision turntable, and are connected through four sets of bolts and nuts. The elliptical vibration auxiliary cutting device 3 is connected to the The threaded holes on the precision turntable are matched and connected by three fastening bolts. The elliptical vibration auxiliary cutting device 3 is in contact with the arc-shaped boss 103 on the fixed base 1, and the contact method is surface contact. Aft...

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Abstract

The invention relates to an indexable three-degree-of-freedom high-bandwidth vibration auxiliary cutting device, and belongs to the technical field of ultra-precision cutting machining. The indexablethree-degree-of-freedom high-bandwidth vibration auxiliary cutting device mainly comprises an elliptical vibration auxiliary cutting device, a precision rotary table and a fixed base. The elliptical vibration auxiliary cutting device is connected with the precision rotary table through a fastening bolt, and angle adjustment is carried out through the precision rotary table. The precision rotary table is connected with the fixed base through a fastening bolt, and the fixed base and the elliptical vibration auxiliary cutting device carry out auxiliary supporting on the device in a face contact manner through an arc-shaped boss. The indexable three-degree-of-freedom high-bandwidth vibration auxiliary cutting device has the beneficial effects that the space of the elliptical track at the toolnose position can be adjusted through 360-degree angle adjustment; and branch chains are formed by connecting trapezoidal thin plates, X-shaped hinges and straight circular flexible hinges in series,the four branch chains are connected with a tail end motion tool apron in parallel at 90 degrees to form a compliant mechanism, and high bandwidth and motion decoupling of all shafts can be achieved.The indexable three-degree-of-freedom high-bandwidth vibration auxiliary cutting device is compact in structure and can be widely applied to various machining machine tools and equipment of differentconfigurations.

Description

technical field [0001] The invention relates to the technical field of ultra-precision cutting, in particular to an indexable three-degree-of-freedom high-bandwidth vibration-assisted cutting device. Background technique [0002] In recent years, with the continuous advancement of science and technology, various difficult-to-machine materials have been widely used. However, traditional machining methods cannot achieve good results when machining difficult-to-machine materials, and the cutting process is often accompanied by serious tool wear and deterioration of machined surface quality. In order to solve these problems, Japanese scholars proposed the elliptical vibration cutting theory in the 1990s. This method can not only overcome the problems of tool wear and difficulty in guaranteeing the quality of machined surfaces in traditional continuous cutting, but also improve the machinability of some difficult-to-machine materials. It also has special advantages in creating f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/00B23Q3/00B23Q5/28B23Q17/22
CPCB23P23/00B23Q3/00B23Q5/28B23Q17/22Y02P70/10
Inventor 韩金国刘志杰田业冰
Owner SHANDONG UNIV OF TECH
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