Method for cutting black metal by diamond tool

A diamond tool, ferrous metal technology, used in tool holder accessories, metal processing equipment, metal processing machinery parts, etc., to achieve the effects of easy operation, low macro temperature, and safe use

Active Publication Date: 2014-04-02
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Ultrasonic vibration-assisted cutting of diamond tools combined with atmospheric pressure-cooled plasma

Method used

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  • Method for cutting black metal by diamond tool
  • Method for cutting black metal by diamond tool

Examples

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[0020] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The invention relates to a method for cutting ferrous metal with a diamond tool. Equipment using the method includes a cold plasma jet generating device and an ultrasonic vibration device.

[0021] The cold plasma generating device includes a graphite needle bare electrode cold plasma jet generator 1 , an adjustable flow meter 6 a pressure reducing valve 7 , a working gas source 8 , a high-voltage power supply 9 , and a conduit 14 .

[0022] Before cutting, these devices are respectively connected according to the accompanying drawings: the working gas enters the graphite needle bare electrode cold plasma jet generator 1 through the working gas source 8 through the pressure reducing valve 7 and the adjustable flowmeter 6; the high and low pressure of the high-voltage power supply 9 The output ends are respectively connected with the elect...

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Abstract

The invention provides a method for cutting black metal by a diamond tool. A barometric pressure cold plasma jet regulated and controlled cutting interface is combined with ultrasonic vibration auxiliary cutting. Under a barometric pressure condition, a cold plasma jet generated by discharging a graphite needle naked electrode is led out by an insulating guide pipe and then is conveyed to a cutting region so as to effectively regulate and control a contact interface of the diamond tool and black metal. Active carbon particles in the jet are gathered on the contact interface of the diamond tool and the black metal; active particles adsorbed on the surface of the black metal can be used for preventing the diamond tool from being directly contacted with the black metal so as to inhibit chemical abrasion of the diamond tool. The cavitation effect of ultrasonic vibration forms a high pressure and a complicated thermodynamic effect in the cutting process is used for promoting the active particles in the cold plasma jet to be reacted with the surface of the newly-generated black metal to generate a substance, and the chemical affinity between the substance and a diamond is lower than that between the substance and the black metal; the effect of inhibiting the abrasion of the diamond tool is enhanced.

Description

technical field [0001] The invention relates to a method for cutting ferrous metal with a diamond tool, which belongs to the technical field of cutting technology of mechanical manufacturing. Background technique [0002] Diamond knives have the characteristics of high hardness and good thermal conductivity, and can be ground into ultra-precision cutting tools with extremely sharp edges. However, its high chemical affinity with Fe atoms makes it easy to graphitize when cutting ferrous metals, resulting in severe chemical wear, which is difficult to apply to ultra-precision cutting of ferrous metals. [0003] Using ultrasonic vibration to assist in cutting ferrous metals can greatly improve tool wear, but the vibration pattern produced by ultrasonic vibration limits the improvement of surface quality. The use of liquid nitrogen cooling can effectively inhibit the chemical wear of diamond, but it is difficult to achieve high precision due to cooling deformation of the workpie...

Claims

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Application Information

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IPC IPC(8): B23B1/00B23B25/00B23Q11/10
CPCB23B1/00B23B25/00B23Q11/10
Inventor 徐文骥刘新黄帅陈发泽金洙吉
Owner DALIAN UNIV OF TECH
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