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Method for cutting conductor material

A cutting method and conductor material technology, applied in the field of workpiece cutting, can solve the problem of low surface quality and achieve the effects of improving surface quality, broad prospects for industrialization and popularization, and simple operation.

Inactive Publication Date: 2018-05-29
XIAN TECHNOLOGICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention proposes a cutting method for conductor materials, the purpose of which is to overcome the problem that the surface of the workpiece cut by the existing electric spark cutting technology has a recast layer and the surface quality is not high

Method used

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  • Method for cutting conductor material
  • Method for cutting conductor material
  • Method for cutting conductor material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Step 1. Use deionized water with low resistivity as the electrolyte, and the conductivity is 3ms / cm;

[0025] Step 2. Cut the first electrode wire, adjust the processing parameters so that the pulse voltage is 120V, the voltage pulse width is 10μs, and the power frequency is 20KHz. Put deionized water in the electrolyte tank, so that the deionized water is sprayed from the nozzle to the electrolyte tank. above where the workpiece is cut. The wire feeding speed of the two electrode wires was 5 m / s, and the feeding speed of the electrode wires was set at 8 μm / s.

[0026] Step 3. The second wire electrode cuts the workpiece, adjust the pulse voltage to 25V, the feed speed of the second wire electrode is 8μm / s, and other parameters remain unchanged. The second wire electrode starts anodic dissolution processing to remove surface pits and recast layers .

Embodiment 2

[0028] Step 1. Use deionized water with low resistivity as the electrolyte, and the conductivity is 6ms / cm;

[0029] Step 2. Cut the first electrode wire, adjust the processing parameters so that the pulse voltage is 160V, the voltage pulse width is 20μs, and the power frequency is 50KHz. Put deionized water in the electrolyte tank, so that the deionized water is sprayed from the nozzle to the above where the workpiece is cut. The wire feeding speed of the two electrode wires is 8m / s, and the clamping system drives the electrode wires to start feeding, and the feeding speed is set to 6μm / s.

[0030] Step 3. The second wire electrode cuts the workpiece, adjust the pulse voltage to 20V, the feed speed of the second wire electrode is 6μm / s, and other parameters remain unchanged, and the second wire electrode starts anodic dissolution processing to remove surface pits and recast layers .

[0031] see figure 1 , The present invention is characterized in that two electrode wires ...

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Abstract

The invention relates to the technical field of workpiece cutting, in particular to a method for cutting a conductor material. The purpose of the invention is to solve the problem that the surface quality of a cut workpiece is not high in the existing electric spark cutting technology. In order to achieve the purpose, the invention provides the method for cutting the workpiece; and low-resistivitydeionized water is used as an electrolyte, and two electrode wires are used for cutting the workpiece at the same position. According to the method, an anode dissolving principle is introduced into the electric spark cutting technology, so that re-cast layers on the surface of the workpiece subjected to electric spark cutting can be removed, and the surface quality is improved. The method is suitable for cutting all conductive materials, and is wide in application range.

Description

technical field [0001] The invention relates to the technical field of workpiece cutting, in particular to a method for cutting conductor materials. Background technique [0002] In the cutting technology of conductor materials, wire electric discharge cutting (WEDM) is a common cutting technology, which is widely used in engineering. Since the tool (electrode) and the workpiece do not need to be in contact during the processing process, there is no contact force generated, and the hardness of the workpiece can be ignored when cutting the workpiece. Difficult-to-machine materials such as high alloys. [0003] EDM is based on thermoelectric energy between the electrode and workpiece. During processing, there is a small enough gap between the workpiece and the electrode so that the pulse voltage between the workpiece and the electrode can ionize the electrolyte, and a short pulse discharge is generated in the electrolyte in the gap, through melting and gasification Erosion ...

Claims

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Application Information

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IPC IPC(8): B23H7/02B23H11/00
CPCB23H7/02B23H11/00
Inventor 武小宇
Owner XIAN TECHNOLOGICAL UNIV
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