Electric spark processes the development of fluid and application

Zhao Xiaojun

One foreword

Electric spark processing already made mould and part three-dimensional inside and outside face, model one of important steps that antrum machines. In the mould production technology develops quickly today, thorough knowledge electric spark machines fluid (discharge treatment is oily, electric spark engine oil) relevant knowledge, choose better and use, the efficiency of whole to raising electric spark processing segment is having main effect.

2 electric spark machine fluid (also say discharge processes oily, discharge oil, scintilla is oily) , main effect reachs function

(1) low viscosity: Cooling sex is good, liquidity is good, machine drossy and easy eduction.
(2) tall scintillation dot, high boiling point: Scintillation point is high, not easy on fire; Boiling point is high, not easy vaporization, loss.
(3) insulating properties is good: With the proper insulation intensity between electrode of hold together tool and workpiece.
(4) the stink is small: The gas that decomposes in treatment is avirulent, harmless to human body, separate gas without cent of course best.
(5) do not pollute to adding workpiece, do not corrode.
(6) oxidation security is close friends, life is long.
(7) the price wants petty gain.

Our country uses kerosene generally all the time in the past. The defect clearly of kerosene, because scintillation point is low,basically be (46 ℃ are controlled) , because the meeting in using causes fire cursorily accidentally, add Gao Yi of content of its aromatic hydrocarbon to volatilize, treatment decomposes a harmful gas to wait a reason a moment more. In recent years, introducing a machine tool while, the electric spark that also introduced foreign different type machines fluid (discharge treatment is oily, ) of electric spark engine oil, abounded our country oil to taste sort. How to form homebred change electric spark to machine fluid (discharge treatment is oily, ) of electric spark engine oil, replace costly entrance oil, propose the market with an orderly competition, it is the task that is placed before us.

3 level that fluid of job of 3 electric spark develops

(1) 5, 60 time begin before even two old series use water radical, oil radical period, basically use water and general mineral oil, if kerosene, transformer is oily,wait.
(2) come seventies 80 time, begin to produce electric spark to process special oil, namely proper mineral oil adds right amount additive, more aromatic hydrocarbon is contained in oil.
(3) 80 time begin to 90 time, as environmental protection the demand rises, the machine tool upgrades replacement, begin occurrence synthesis model, high speed machine fluid with mixture sex electric spark (discharge treatment is oily, ) of electric spark engine oil.

Current, foreign electric spark machines fluid (discharge treatment is oily, electric spark engine oil) already entered the 3rd era, begin to use high speed namely synthesis. But the 2nd generation (petrolatum) with generation (kerosene) still be in in great quantities sale market, formed 3 substitute the situation that oil coexists, japanese Petroleum Company and the E.D.M equipment that cover suitably produce a business, already formed electric spark to machine fluid (discharge treatment is oily, electric spark engine oil) series, qualitative actor but the price is high, already exported for the most part, also buy our country market at high price of course. On our country market, breed is at present irritated on the low side of miscellaneous, quality, basically stay in abroad the first, the 2nd phase. We should consult foreign experience, introduce foreign technology, the electric spark of the high speed that develops more high-grade valence cheap, synthesis low aromatic hydrocarbon machines fluid (discharge treatment is oily, ) of electric spark engine oil, build complete assessment technique and product standards, in order to satisfy the need of the market, in order to raise the level of our product.
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