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Three-dimensional elliptical vibration flexible device based on metal porous material

A metal porous and elliptical vibration technology, used in metal processing equipment, tool holder accessories, turning equipment, etc., can solve the problem of machine tool guide rail affecting the motion accuracy, achieve the self-lubricating effect of the mechanism, avoid motion coupling, and ensure motion accuracy. Effect

Pending Publication Date: 2020-07-14
JILIN UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0007] The invention provides a three-dimensional elliptical vibration flexible device based on metal porous materials to solve the problem that the existing three-dimensional elliptical vibration cutting technology still has kinematic coupling and the vibration of the cutting device is easily transmitted to the guide rail of the machine tool and affects the motion accuracy. Ultra-precision machining of brittle and hard materials

Method used

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  • Three-dimensional elliptical vibration flexible device based on metal porous material
  • Three-dimensional elliptical vibration flexible device based on metal porous material
  • Three-dimensional elliptical vibration flexible device based on metal porous material

Examples

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Embodiment Construction

[0021] The tool 10 is fixed in the tool groove in the middle of the T-shaped tool seat 101 of the flexible substrate 1 by bolts, the vertical piezoelectric stack 1 2 and the vertical piezoelectric stack 2 3 are distributed in parallel, and each head is connected to the straight-type flexible Hinge 1 104 is in contact with straight flexible hinge 2 105, and the lower end is pre-tightened respectively by bolt-tightening pre-tightening block 1 6 and bolt-tightening pre-tightening block 2 7, and capacitive displacement sensor 1 14 and capacitive displacement sensor 2 15 are respectively clamped in the sensor clamp Hold one 11, the head of which is respectively aligned with the T-shaped tool seat surface 101, and the sensor clamp one 11 is fixed on the outer support 102; the horizontal piezoelectric stack one 4 and the horizontal piezoelectric stack two 5 are distributed in parallel, and the other The head is respectively in contact with the straight flexible hinge 3 106 and the str...

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Abstract

The invention relates to a three-dimensional elliptical vibration flexible device based on a metal porous material, and belongs to the technical field of optical part machining. The device is characterized in that a cutter is fixed in a cutter groove in the middle of a T-shaped cutter holder of a flexible base body through a bolt; the heads of piezoelectric stacks in the vertical direction are incontact with straight plate type flexible hinges, pre-tightening blocks are tightened through bolts to pre-tightening the lower ends of the piezoelectric stacks, and capacitive displacement sensors are clamped on sensor clamps; the heads of piezoelectric stacks in the horizontal direction are in contact with straight plate type flexible hinges, and capacitive displacement sensors are clamped on sensor clamps; and the lower portion of a base is connected with dovetail strips through bolts. The device has the advantages that the flexible base body can effectively reduce vibration conducted to amachine tool guide rail from a tool nose, the motion precision of the device is guaranteed, the self-lubricating effect of a mechanism is achieved, the service life is prolonged, and cutting machiningon various face types can be achieved; and meanwhile, the four piezoelectric stacks are provided with the capacitive displacement sensors for monitoring actual displacement in real time and feeding back the actual displacement to a controller for compensation, so that the machining precision is high.

Description

technical field [0001] The invention belongs to the technical field of ultra-precision cutting and complex optical parts processing of difficult-to-machine materials, and in particular relates to a three-dimensional elliptical vibration flexible device based on metal porous materials. Background technique [0002] Brittle and hard materials have been widely used in the manufacture of complex optical precision parts such as optical system lenses and wafers in the semiconductor industry in recent years because of their good contact rigidity, stability, and optical properties. There are many technical problems in the process of processing, which are difficult to achieve with traditional processing methods, and the accuracy is difficult to guarantee. [0003] In order to solve the above problems, elliptical vibration cutting technology came into being. It has many unique processing advantages, mainly including: increasing the life of diamond tools in ferrous metal cutting, grea...

Claims

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Application Information

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IPC IPC(8): B23B29/12
CPCB23B29/125
Inventor 刘强李世斌周晓勤李松泽张志辉张旭滕帅楚镇亚邢向
Owner JILIN UNIV
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