Method of preparing a machining fluid for electroerosion

Electric heating – Metal heating – Cutting or disintegrating

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219 69D, 210685, B23H 108, B23H 110

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045844500

ABSTRACT:
A new method is disclosed for the electroerosion machining of a workpiece by employing as a machining fluid, raw water which has been deionized until its resistivity increases to at least 10.sup.5 ohm-cm and then decreasing the resistivity of the raw water deionized previously by adding thereto a conductivity modifier substantially free from chloride ions, said conductivity modifier being added to said deionized water in an amount sufficient to impart to the resulting machining fluid a predetermined conductivity.

REFERENCES:
patent: 3276458 (1966-10-01), Iversen et al.
patent: 3928163 (1975-12-01), Ullmann et al.
patent: 3964914 (1976-06-01), Bullock et al.

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