Importance

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Abstract

A sand level sensing and distribution apparatus for monitoring and controlling the quantity of sand distributed from a batch hopper into a mold flask includes a sensor assembly connected to a level actuating assembly via a carriage assembly. A window is mounted within one wall of the batch hopper such that the sensor assembly may be used to monitor the level of sand within the batch hopper. The level actuating assembly is proximate the batch hopper, and the sensor assembly is therefore proximately positioned by said window. A control unit is included to receive the monitored signal from the sensor assembly, and, using such information, to control the operation of the level actuating assembly in positioning the sensor assembly to distribute the desired amount of sand into the mold flask. Moreover, a sand gate assembly is mounted subjacent the batch hopper, and the control unit also operates to control when the sand gate assembly is in an open position to distribute sand from the batch hopper into the mold flask.

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First Claim