Method of controlling the concentration and stability of an emul

Details Method of controlling the concentration and stability of an emul Method of controlling the concentration and stability of an emul

1979-12-04

1982-02-16

Combs, Ervin M.

Metal deforming

With cleaning, descaling, or lubrication of work or product

Lubricating

72236, 137 92, B21B 2710, B21B 4502, G05D 1106

Patent

active

043154212

ABSTRACT:
A method of and system for controlling the oil concentration in and the stability of an oil-in-water emulsion used as a coolant-lubricant in a metalworking operation in which a portion of the emulsion is circulated through a sensor to monitor its density and to generate a signal relating the density to the oil concentration. The signal is employed to control addition of oil to the emulsion to thereby control the concentration within close limits. Sensing means also monitors the stability of the circulated emulsion, and emulsifier is added, as required, either to the oil to be added or directly to the emulsion to thereby control both the oil concentration in and the stability of the emulsion.

REFERENCES:
patent: 2850552 (1958-09-01), Ogle
patent: 3074277 (1963-01-01), Hill
patent: 3153420 (1964-10-01), Roberts
patent: 3249115 (1966-05-01), Young
patent: 3254965 (1966-06-01), Ogle
patent: 3275018 (1966-09-01), Roberts
patent: 3583209 (1971-06-01), Banks
patent: 4024742 (1977-05-01), Vucich et al.

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