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Slow-wire-walking electrospark wire-electrode cutting copper alloy electrode wire and manufacture method thereof

A technology of electric discharge wire and electrode wire, which is applied in the direction of electrode manufacturing, electric processing equipment, metal processing equipment, etc., to achieve the effects of good conductivity, improved corrosion resistance, and reduced production costs

Inactive Publication Date: 2012-11-21
KUNSHAN RUIJIE PRECISION MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the precision and smoothness of the processed parts are high, such as precision molds, parts of precision instruments, parts with high surface quality requirements, etc., it is difficult to take into account the performance of the wire EDM electrode wire in the prior art at the same time. and quality requirements

Method used

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  • Slow-wire-walking electrospark wire-electrode cutting copper alloy electrode wire and manufacture method thereof
  • Slow-wire-walking electrospark wire-electrode cutting copper alloy electrode wire and manufacture method thereof
  • Slow-wire-walking electrospark wire-electrode cutting copper alloy electrode wire and manufacture method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Prepare a total of 100Kg of alloy raw materials (high-purity raw materials that can be block or powder) according to the following quality, wherein, Al: 32.0Kg; Zn: 10.0Kg; Ni: 3.0Kg; Mg: 0.20Kg; W: 0.20Kg; and the balance of Cu;

[0024] Put the prepared alloy raw material into an induction melting furnace to melt it, the melting temperature is 1100°C, and the holding time is 100 minutes;

[0025] The molten alloy liquid is introduced into the horizontal continuous casting furnace, and the alloy wire billet is prepared by the continuous casting method. The inlet water temperature is 5-30°C, the temperature difference between the inlet and outlet water is 5-15°C, and the continuous casting speed is 1200mm / min;

[0026] The prepared alloy billet is subjected to multi-channel cold drawing and online annealing, the annealing temperature is 600°C, the annealing time is 50 seconds; and the stress relief annealing before the finished product is carried out, the annealing tem...

Embodiment 2

[0029] Prepare a total of 100Kg of alloy raw materials (high-purity raw materials that can be block or powder) according to the following quality, wherein, Al: 32.0Kg; Zn: 10.0Kg; Ni: 3.0Kg; Mg: 0.20Kg; W: 0.20Kg; and the balance of Cu;

[0030] Put the prepared alloy raw material into an induction melting furnace to melt it, the melting temperature is 1100°C, and the holding time is 100 minutes;

[0031] The molten alloy liquid is introduced into the horizontal continuous casting furnace, and the alloy wire billet is prepared by the continuous casting method. The inlet water temperature is 5-30°C, the temperature difference between the inlet and outlet water is 5-15°C, and the continuous casting speed is 1200mm / min;

[0032] The prepared alloy billet is subjected to multi-channel cold drawing and online annealing, the annealing temperature is 600°C, the annealing time is 50 seconds; and the stress relief annealing before the finished product is carried out, the annealing tem...

Embodiment 3

[0035] Prepare a total of 100Kg of alloy raw materials (high-purity raw materials that can be block or powder) according to the following quality, wherein, Al: 36.0Kg; Zn: 12.0Kg; Ni: 5.0Kg; Mg: 0.80Kg; W: 0.80Kg; and the balance of Cu;

[0036] Put the prepared alloy raw material into an induction melting furnace to melt it, the melting temperature is 1100°C, and the holding time is 100 minutes;

[0037] The molten alloy liquid is introduced into the horizontal continuous casting furnace, and the alloy wire billet is prepared by the continuous casting method. The inlet water temperature is 5-30°C, the temperature difference between the inlet and outlet water is 5-15°C, and the continuous casting speed is 1200mm / min;

[0038] The prepared alloy billet is subjected to multi-channel cold drawing and online annealing, the annealing temperature is 600°C, the annealing time is 25 seconds; and the stress relief annealing before the finished product is carried out, the annealing tem...

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Abstract

The invention provides a slow-wire-walking electrospark wire-electrode cutting copper alloy electrode wire and a manufacture method thereof, wherein the components of the electrode wire include Al, Zn, Ni, Mg, W and Cu. The invention further discloses the manufacture method of the slow-wire-walking electrospark wire-electrode cutting copper alloy electrode wire. The manufacture method is characterized by comprising the following processing steps: (1) feeding materials into a vacuum induction melting furnace according to components and compositions, and melting the materials to obtain molten metal liquid; (2) guiding the molten metal liquid into a continuous casting device to manufacture alloy wire blank; and (3) performing cooling stretching, on-line annealing and stress relief annealing before product finishing on the alloy wire blank to obtain the electrode wire. The corrosion resistance and cutting performance of the electrode wire in working fluid are improved, and the electrode wire is stable in tensile strength and good in electrical conductivity.

Description

technical field [0001] The present invention relates to a copper alloy electrode wire for wire electric discharge cutting, and more specifically, the present invention relates to a copper alloy electrode wire for wire electric discharge cutting in slow motion. Background technique [0002] The principle of EDM is to remove excess metal based on the electric corrosion phenomenon of pulsed spark discharge between the tool and the workpiece (positive and negative electrodes) in a certain medium, so as to achieve the size, shape and surface quality of the parts. Scheduled processing requirements. Wire-cut electric discharge machining (WEDM for short) is a new form of technology developed in the Soviet Union in the late 1950s on the basis of electric discharge machining. The basic principle of wire-cut electric discharge machining is to use continuously moving fine metal The wire is used as a tool electrode, and a pulsed discharge is formed between it and the workpiece to corrod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H7/08B23H7/24
Inventor 郑霞
Owner KUNSHAN RUIJIE PRECISION MOLD
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