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High-efficiency electrosparking operating fluid

A technology of EDM and working fluid, which is applied in the field of high-efficiency EDM working fluid, can solve the problems of many harmful gases, lack of processing surface, high content of aromatics and easy volatilization, etc., achieve high surface finish, shorten processing time, and process good performance

Inactive Publication Date: 2012-11-28
KUNSHAN RUIJIE PRECISION MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of kerosene are obvious, mainly because of the low flash point (about 46°C), which may cause fire due to accidental negligence during use, and its high aromatic content is volatile, and many harmful gases are produced by processing and decomposition.
Moreover, when the processing area is large, it is not easy to perform stable finishing in kerosene working fluid, and a good processing surface cannot be obtained.
In addition, the processing efficiency and electrode wear in kerosene are not very satisfactory

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Oleic acid: 6wt%, liquid paraffin: 5wt%, alkylphenol polyoxyethylene ether: 5wt%, higher fatty alcohol: 2wt%, sodium molybdate: 0.5wt%, nano silicon powder (average particle size: 10nm): 0.05wt %, and the balance of No. 100 mechanical oil.

[0024] First, add No. 100 mechanical oil, oleic acid, liquid paraffin, alkylphenol polyoxyethylene ether, and higher fatty alcohol into the reaction kettle and heat it to 90°C, add sodium molybdate and nano-silica powder, mix well, and keep warm for 20 minutes to obtain the above Efficient EDM working fluid.

Embodiment 2

[0026] Oleic acid: 7wt%, liquid paraffin: 6wt%, alkylphenol polyoxyethylene ether: 6wt%, higher fatty alcohol: 3wt%, sodium molybdate: 1.0wt%, nano silicon powder (average particle size: 10nm): 0.05wt %, and the balance of No. 100 mechanical oil.

[0027] First, add No. 100 mechanical oil, oleic acid, liquid paraffin, alkylphenol polyoxyethylene ether, and higher fatty alcohol into the reaction kettle and heat it to 90°C, add sodium molybdate and nano-silica powder, mix well, and keep warm for 20 minutes to obtain the above Efficient EDM working fluid.

Embodiment 3

[0029] Oleic acid: 8wt%, liquid paraffin: 7wt%, alkylphenol polyoxyethylene ether: 7wt%, higher fatty alcohol: 4wt%, sodium molybdate: 0.5wt%, nano silicon powder (average particle size: 10nm): 0.05wt %, and the balance of No. 100 mechanical oil.

[0030] First, add No. 100 mechanical oil, oleic acid, liquid paraffin, alkylphenol polyoxyethylene ether, and higher fatty alcohol into the reaction kettle and heat it to 90°C, add sodium molybdate and nano-silica powder, mix well, and keep warm for 20 minutes to obtain the above Efficient EDM working fluid.

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Abstract

The invention discloses a high-efficiency electrosparking operating fluid, which comprises the following components in percentage by weight: 6 to 12 percent of oleic acid, 5 to 12 percent of liquid paraffin, 5 to 12 percent of polyoxyethylene ether, 2 to 5 percent of higher aliphatic alcohol, 0.5 to 1.0 percent of sodium molybdate, 0.05 percent of nano additive and the balance of 100# machine oil. The operating fluid is high in lightning, high in machining process performance and long in service life and does not have adverse effect on human bodies and machines.

Description

technical field [0001] The invention relates to the field of electrical discharge machining, in particular to a high-efficiency electrical discharge machining working fluid. Background technique [0002] Discharge machining is a processing method that uses the electric corrosion phenomenon during pulse discharge between the tool electrode and the workpiece electrode to process the material in a certain medium to achieve a certain shape, size and surface roughness. When a single pulse discharge is performed in a small gap of a liquid medium, the electrocorrosion process of the material can be roughly divided into three continuous processes: dielectric breakdown, channel formation, energy conversion and transfer, and electrocorrosion product ejection. When molding a conductive workpiece, the space between the two electrodes must be filled with a liquid medium, which is the aforementioned EDM working fluid. [0003] EDM working fluid must have high dielectric strength to facil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H1/08
Inventor 郑霞
Owner KUNSHAN RUIJIE PRECISION MOLD
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