Challenge
A Midwest foundry required a method to transfer prepared sand in bypass mode to deliver sand to a secondary molding area. The existing chute was leaking, plugging and causing incalculable down time for the foundry.
Approach
General Kinematics Vibratory Sand Feeder would provide the necessary action to feed the sand, as delivered by the belt plow. The allowable space for the Feeder was minimal and it had to be designed to fit into the present support structure. Field measurement and conceptual drawings were completed to ensure the feeder could be properly installed with no interference.
Solution
A single motor, twin mass drive was used to positively convey sand at the required rate of 60 tons per hour. A formed plastic composite liner was used within the trough to prevent material adhesion to the conveying surfaces. Finally the drive was mounted below the trough and designed with a specific drive angle to provide feeding action to move the product through the unit and transfer the sand to a lower belt conveyor.
Results
The Feeder has been in service for many years with good reliability and low maintenance. Isolation springs with bolted connection have provided lateral stability, as well as minimized vibration transmission to the supports and floor.
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General Kinematics 2013 USA
