Method for determining suitability of fluid

Details Method for determining suitability of fluid Method for determining suitability of fluid

1998-09-03

1999-08-17

Williams, Hezron

Measuring and testing

Instrument mechanism or transmission

Rate of change

219 6914, G01N 3300, B23H 108

Patent

active

059396504

ABSTRACT:
A method of inspection for a fluid to determine its suitability for use as a dielectric medium in an EDM system and a method of maintenance for an EDM system having a dielectric fluid include generating an indication of the density of a sample of the fluid, providing at least one reference associated with at least one measure of suitability of the fluid, and comparing the indication to the at least one reference to determine, in the case of the method of inspection, the suitability of the fluid for use in the system, and in the case of the method of maintenance, whether to replace the fluid in the EDM system.

REFERENCES:
patent: 4392110 (1983-07-01), El-Menshawy et al.
patent: 4409458 (1983-10-01), Inoue
patent: 4551809 (1985-11-01), Marendaz
patent: 4885066 (1989-12-01), Kuwabara et al.
patent: 4888462 (1989-12-01), Kiot et al.

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