Electrospark machining solution

Details Electrospark machining solution Electrospark machining solution

1984-03-19

1986-11-18

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69M, 219 69R, 20412995, 536 11, 524180, B23P 108

Patent

active

046237739

ABSTRACT:
A nonflammable electrospark machining solution which provides a high machining rate composed primarily of a saccharide such as cane sugar, fruit sugar or malt sugar with the density of saccharide being 5 to 55% by weight. A preservative may be added such as benzoic acid, salicylic acid, dehydroacetic acid or ethyl para-hydroxybenzoate with the latter being preferred in an amount of 0.01 to 0.1% by weight of the machining solution. Also, an anticorrosive such as sodium nitride, sodium polyphosphate, sodium dichromate, sodium silicate and triethanol amine is preferably added in an amount of 0.05 to 0.1% by weight of the machining solution.

REFERENCES:
patent: 2937940 (1960-05-01), Weisberg et al.
patent: 3269964 (1966-08-01), Curtis
patent: 3334210 (1967-08-01), Williams et al.
patent: 3389066 (1968-06-01), Shibasaki
patent: 3766165 (1973-10-01), Rennhard
patent: 4039662 (1977-08-01), Hecht et al.
patent: 4148699 (1979-04-01), Mayer et al.

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