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Short electric arc machining operating fluid

A technology of working liquid and short electric arc, which is applied in the field of electric discharge machining, can solve the problems of unavailable machining surface, high harmful gas content, high volatile content of aromatics, etc., and achieve shortened processing time, high surface finish and good process performance Effect

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

[0022] Oleic acid: 8wt%, liquid paraffin: 5wt%, coconut oil fatty acid diethanolamide: 5wt%, higher fatty alcohol: 2wt% sodium silicate: 0.5wt%, and the No. 100 machinery oil of balance.

[0023] First, add No. 100 mechanical oil, oleic acid, liquid paraffin, coconut oil fatty acid diethanolamide and higher fatty alcohol into the reaction kettle and heat it to 90°C, add sodium silicate and mix thoroughly, and keep it warm for 10 minutes to obtain the above short arc processing working fluid .

Embodiment 2

[0025] Oleic acid: 9wt%, liquid paraffin: 6wt%, coconut oil fatty acid diethanolamide: 6wt%, higher fatty alcohol 3wt%, sodium silicate: 1.5wt%, and the No. 100 machinery oil of balance.

[0026] First, add No. 100 mechanical oil, oleic acid, liquid paraffin, coconut oil fatty acid diethanolamide and higher fatty alcohol into the reaction kettle and heat it to 90°C, add sodium silicate and mix thoroughly, and keep it warm for 10 minutes to obtain the above short arc processing working fluid .

Embodiment 3

[0028] Oleic acid: 10wt%, liquid paraffin: 7wt%, coconut oil fatty acid diethanolamide: 7wt%, higher fatty alcohol 4wt%, sodium phosphate: 1.5wt%, and No. 100 machine oil of the remainder.

[0029] First, add No. 100 mechanical oil, oleic acid, liquid paraffin, coconut oil fatty acid diethanolamide and higher fatty alcohol into the reaction kettle and heat to 100°C, add sodium phosphate and mix thoroughly, and keep warm for 10 minutes to obtain the above short arc processing working fluid.

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PUM

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Abstract

The invention discloses a short electric arc machining operating fluid, which comprises the following components in percentage by weight: 8 to 15 percent of oleic acid, 5 to 10 percent of liquid paraffin, 5 to 10 percent of coconutt diethanol amide, 2 to 5 percent of higher aliphatic alcohol, 0.5 to 1.5 percent of 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 electric discharge machining, in particular to a working fluid for short electric arc machining. 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 facilitate the genera...

Claims

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Application Information

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IPC IPC(8): B23H1/08
Inventor 郑霞
Owner KUNSHAN RUIJIE PRECISION MOLD
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