Caterpillar Global Mining Equipment LLC

Fernando R Gonzalez

Rex Aaron Glover

Stephen M Hancock

A drill head position determination system may include a mast, a drill head movably attached to the mast, and a drill drive assembly configured to move the drill head up and down along a length of the mast. The drill head may be configured to rotate a drill string. The drill drive assembly may include at least one sheave and a cable system wound about the at least one sheave. The drill head position determination system may further include a sheave sensor operatively coupled to the at least one sheave and configured to determine a position of the drill head based on a measured rotational position of the at least one sheave.

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Nuevo Leon, Mexico

Fernando R Gonzalez