Apparatus for controlling the level of the molten metal in a...

Details Apparatus for controlling the level of the molten metal in a... Apparatus for controlling the level of the molten metal in a...

B - Operations, Transporting

22

D

22/57, 22/85

B22D 11/10 (2006.01) B22D 11/18 (2006.01) B22D 41/00 (2006.01) G05D 9/12 (2006.01)

Patent

CA 1040832

ABSTRACT OF THE DISCLOSURE: The molten metal level in a continuou? casting mold is controlled by a feedback control system com- prising a molten metal level detector, a controller and a servomechanism actuated the? by for adjusting the opening of the molten metal pouring nozzle. The servomechanism includes an intermediate and final piston-cylinder means operatively connected together to normally act as a unit. To cancel the offset due to disturbances, the connection between the two piston-cylinder means is temporarily cut off to manually adjust the intermediate one alone to compen- sate for the offset and the connection is made again to resume automatic control. - 1 -

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