The coolant supply tonnage to the cooling cistern after the minute hydrometry device null

摘要

PROBLEM TO BE SOLVED: To provide a minute flow rate of coolant measuring device, capable of easily and quickly setting a minute flow rate with precision, when supplying a coolant to a cooling bath, and capable of keeping the amount of coolant in the cooling bath at a constant level, while cleanliness of the supplied liquid is maintained, in a cooling process of a very thin wire, after a thermal process and before a wire material take up process.;SOLUTION: The measuring device comprises an overflow pipe installed in a coolant bath, a tube reception nozzle which is connected to the other end of the pipe and stopped down to a small aperture by a discharge opening, and a weighing machine for measuring the weight of an overflown liquid dripping from the tube reception nozzle. The weighing machine comprises a liquid collection part which receives the overflown liquid dripping from the tube reception nozzle, composed of a weighing machine body pivoted for vertical rotation with one end as a support point, a balance weight attached to the weighing machine body, a sensor for detecting action of the weighing machine body, and a shielding plate for turning on/off the sensor. The weight of the overflown liquid is measured, based on the output signal from the sensor.;COPYRIGHT: (C)2005,JPO&NCIPI