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Electric spark processing liquid

A machining fluid and electric spark technology, applied in the field of EDM, can solve the problems of lack of machined surface, many harmful gases, high content of aromatic hydrocarbons and easy volatilization, etc., and achieves shortened finishing time, high surface finish, and good process performance. Effect

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

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

[0021] Prepare oleic acid: 5Kg, coconut oil fatty acid: 8Kg, alcohol amine: 3Kg, sodium silicate: 0.5Kg, and the balance of 68# mechanical oil.

[0022] First, add the above-mentioned 68# mechanical oil, oleic acid, pure amine and coconut oil fatty acid into the reaction kettle and heat it to 80°C, add sodium silicate and mix thoroughly, and keep it warm for 10 minutes to obtain the above-mentioned EDM fluid.

Embodiment 2

[0024] Prepare oleic acid: 6Kg, coconut oil fatty acid: 9Kg, alcoholamine: 4Kg, sodium phosphate: 1.0Kg, and the balance of 68# mechanical oil.

[0025] First, add the above-mentioned 68# mechanical oil, oleic acid, pure amine and coconut oil fatty acid into the reaction kettle and heat it to 90°C, add sodium phosphate and mix well, and keep it warm for 10 minutes to obtain the above-mentioned EDM fluid.

Embodiment 3

[0027] Prepare oleic acid: 7Kg, coconut oil fatty acid: 10Kg, alcohol amine: 5Kg, sodium borate: 1.5Kg, and the balance of 68# mechanical oil.

[0028] First, add the above-mentioned 68# mechanical oil, oleic acid, pure amine and coconut oil fatty acid into the reaction kettle and heat it to 90°C, add sodium borate and mix thoroughly, and keep it warm for 10 minutes to obtain the above-mentioned EDM fluid.

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PUM

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Abstract

The invention relates to an electric spark processing liquid which comprises the following components by weight: 5-10wt% of oleic acid, 8-12wt% of coconut oil fatty acid, 3-5wt% of hydramine, 0.5-1.5wt% of additive, and the balance of 68# machine oil. The electric spark processing liquid provided by the invention is high in lightning, high in processing technical performance and long in service life in use, and has no harmful effect to human bodies and machines.

Description

technical field [0001] The invention relates to the field of electric discharge machining, in particular to an electric discharge machining fluid. Background technique [0002] EDM is a processing method that uses the electric corrosion phenomenon during pulsed spark 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 generation of pulsed spark...

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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