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Corrugated electrode wire for electrical discharge machining and production method thereof

A technology of electrical discharge machining and corrugation, which is applied in the direction of electric processing equipment, electrode manufacturing, metal processing equipment, etc., can solve the problems of not being able to adapt to precision cutting and processing, and achieve the effects of easy industrial production, stable processing accuracy, and reduced resistance

Inactive Publication Date: 2018-11-23
NINGBO KANGQIANG MICRO ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The domestic thin-diameter electrode wire mainly uses copper alloy as the core material, and the mainstream electrode wire diameter is 250 μm, which is nearly four times that of ultra-fine cutting steel wire, which cannot meet the needs of precision cutting processing

Method used

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  • Corrugated electrode wire for electrical discharge machining and production method thereof
  • Corrugated electrode wire for electrical discharge machining and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A method for preparing a corrugated electrode wire provided in this embodiment includes the following steps:

[0038] Step 1. Select corrugated stainless steel with a diameter of 0.5 mm as the core wire. After degreasing and cleaning, nickel, copper, and zinc coatings are sequentially deposited on the surface of the core material by adjusting the plating solution components, and obtained by adjusting the electroplating current, voltage and time. Nickel, copper and zinc coating thicknesses are 1μm, 5μm and 10μm respectively;

[0039] Step 2. Select the above-mentioned electroplating billet wire as the initial material, and pass through a resistance furnace with a temperature of 750°C and a length of 1m at 0.1m / s. At the same time, the power applied to this section of wire is 1KW. The wire is heated internally, while the electric heating is to heat the wire through the alloy wire's own resistance heating principle to obtain a three-layer structure blank wire with alternat...

Embodiment 2

[0043] A method for preparing a corrugated electrode wire provided in this embodiment includes the following steps:

[0044]Step 1. Select corrugated stainless steel with a diameter of 1mm as the core wire. After degreasing and cleaning, nickel, copper, and zinc coatings are sequentially deposited on the surface of the core material by adjusting the plating solution components, and nickel is obtained by adjusting the plating current, voltage and time. , Copper, zinc coating thicknesses are 2μm, 10μm and 10μm respectively;

[0045] Step 2. Select the above-mentioned electroplating billet wire as the initial material, and pass through a resistance furnace with a temperature of 750°C and a length of 1m at 0.1m / s. At the same time, the power applied to this section of wire is 1KW. The wire is heated internally, while the electric heating is to heat the wire through the alloy wire's own resistance heating principle to obtain a three-layer structure blank wire with alternating struc...

Embodiment 3

[0049] A method for preparing a corrugated electrode wire provided in this embodiment includes the following steps:

[0050] Step 1. Select corrugated stainless steel with a diameter of 1mm as the core wire. After degreasing and cleaning, nickel, copper, and zinc coatings are sequentially deposited on the surface of the core material by adjusting the plating solution components, and nickel is obtained by adjusting the plating current, voltage and time. , Copper, zinc coating thicknesses are 1μm, 5μm and 10μm respectively;

[0051] Step 2. Select the above-mentioned electroplating billet wire as the initial material, and pass through a resistance furnace with a temperature of 850°C and a length of 1m at 0.2m / s. At the same time, the power applied to this section of wire is 1KW. The wire is heated internally, while the electric heating is to heat the wire through the alloy wire's own resistance heating principle to obtain a three-layer structure blank wire with alternating struc...

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Abstract

The invention discloses a corrugated electrode wire for electrical discharge machining and a production method thereof. A core wire is made with corrugated stainless steel / carbon steel; a nickel layer, a copper layer and a galvanizing layer are deposited respectively on the surface of the core wire by means of electroplating; the coated wire material is then treated by means of resistance / radiation combined heating to obtain a base wire of triple-layer structure with alternating beta phase and gamma phase and with a zipper-zinc alloy layer, a nickel transition layer and a core wire layer; thetreated base wire is then drawn to obtain the corrugated electrode wire for electrical discharge machining which has a corresponding diameter. The corrugated electrode wire for electrical discharge machining having very small diameter and corrugated microstructure helps decrease resistance between the wire material and a chipping sample; discharging of wear debris occurred during cutting and circulation of a coolant are improved; wire cutting speed is increased; processing precision is kept stable.

Description

technical field [0001] The invention relates to a corrugated electrical discharge machining electrode wire, in particular to a corrugated electrical discharge machining electrode wire and a preparation method thereof, belonging to the technical field of material surface treatment. Background technique [0002] Slow wire cutting (EDM) is a kind of wire electric discharge cutting. It uses a continuously moving thin metal wire (called electrode wire) as an electrode to perform pulse spark discharge on the workpiece to remove metal and cut into shape. EDM is mainly used to process various complex and precise workpieces, and is an indispensable processing method in the mold manufacturing and metal processing industries. [0003] In recent years, with the need for the processing of tiny parts, high-precision machining by EDM has played an important role in many micro-machine production fields due to its unique processing methods. In order to carry out the micro-finishing of small...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23H7/08
Inventor 郑芳陈嘉骐
Owner NINGBO KANGQIANG MICRO ELECTRONICS TECH CO LTD
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