Importance

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Abstract

Systems and methods that provide increased stability, support and power while grinding paving material. A self-powered milling system, which is coupled to a vehicle to selectively move the milling system, is used to mill paving material. The milling system includes a cutting head, such as a cylindrical mandrel that includes a variety of bits attached thereon and spins on an axis, to mill the paving material. The cutting head is powered by a milling system motor that speeds up production and enables the milling of very thick asphalt (e.g., 8 inch thick asphalt) in a single pass. A milling system carriage follows the contour of the ground, provides stability during the milling process, and may be selectively adjusted to provide cuts at various angles. In one embodiment, the carriage includes a flush side to enable precise edge milling. In a further embodiment, a breaker bar is located at or near ground level to hold the paving material down as it tries to lift up during the milling process, and is employed to assist in the breaking up of the milled aggregate.

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First Claim