Abstract: A milling machine, system, and method for implementing a return to cut operation and/or an exit cut operation controls legs of the milling machine, a rotor of the milling machine, and front and rear doors of a mixing chamber of the milling machine according to settings for each of the return to cut operation and the exit cut operation. Such control can be based on signals from one or more sensors of the milling machine configured to sense various position-related characteristics of the milling machine, and can be performed responsive to a control input at an operator control interface of the milling machine.

Abstract: A reclaimer has a frame and a plurality of wheels connected to the frame. The reclaimer has a drum chamber connected to the frame and including movable door. The reclaimer has a milling drum positioned within the drum chamber. The milling drum engages with a ground surface. The reclaimer has an engine that rotates the milling drum and propels the wheels such that material exits the drum chamber from under the movable door. Further, the reclaimer has a controller that determines a position of the movable door based on at least one of a machine characteristic and a predetermined gradation for the material exiting from the drum chamber, and selectively adjusts an actuator associated with the movable door based on the determined position.

Abstract: A rotary mixer includes a frame. The rotary mixer also includes a milling enclosure supported by the frame. The milling enclosure includes a side plate. The rotary mixer further includes a rotor disposed within the milling enclosure. The rotary mixer includes at least one vibration device coupled to the milling enclosure. The at least one vibration device is arranged to induce vibrations in at least one component of the milling enclosure for resisting accumulation of debris on the at least one component.

Abstract: A milling machine having a height-adjustable machine body includes a longitudinal axis and a lateral axis, a plurality of traction elements, a milling rotor assembly; and a machine height sensor system. The machine height sensor system includes a plurality of laterally adjustable machine height sensors and a plurality of position sensors, each associated with a respective height sensor and measuring a lateral extent of the height sensors.

Abstract: A milling machine having a height-adjustable machine body includes a longitudinal axis and a lateral axis, a plurality of traction elements, a milling rotor assembly; and a machine height sensor system. The machine height sensor system includes a plurality of laterally adjustable machine height sensors and a plurality of position sensors, each associated with a respective height sensor and measuring a lateral extent of the height sensors.

Abstract: A milling machine includes a cutting rotor accommodated in a rotor enclosure having side plates that are vertically adjustable with respect to a machine frame. To adjust the vertical elevation of the side plates, a plurality of sensors is mounted on the machine frame and associated with an electronic controller that measures and processes the vertical distance between the side plates and work surface. The electronic controller operates a hydraulic system to adjust the vertical distance between the side plates and the work surface. To accommodate changes in work surface topography, the hydraulic system includes a float circuit with an accumulator.

Abstract: A reclaimer has a frame and a plurality of wheels connected to the frame. The reclaimer has a drum chamber connected to the frame and including movable door. The reclaimer has a milling drum positioned within the drum chamber. The milling drum engages with a ground surface. The reclaimer has an engine that rotates the milling drum and propels the wheels such that material exits the drum chamber from under the movable door. Further, the reclaimer has a controller that determines a position of the movable door based on at least one of a machine characteristic and a predetermined gradation for the material exiting from the drum chamber, and selectively adjusts an actuator associated with the movable door based on the determined position.

Abstract: A milling machine, system, and method for adjusting a rotor cutting height adjusts the rotor cutting height to a target cutting height responsive to a control input received at an operator control interface. One or more legs of the milling machine and/or a height of the rotor can be adjusted to adjust the rotor cutting height to the target cutting height. The rotor cutting height can be adjusted based on data from one or more sensors. Each sensor may be a sonic sensor or an image capturing sensor.

Abstract: A milling machine, system, and method for implementing an exit cut operation raises a rotor from a state where the rotor contacts ground surface material responsive to a control input at an operator control interface of the milling machine. The rate at which the rotor is raised can increase as the rotor is raised. When the rotor is determined to have reached a top surface of the ground surface material the rotor can be raised at a maximum rate.

Abstract: A road work machine comprises a frame, a plurality of ground engaging units, a plurality of vertically moveable legs connecting the plurality of ground engaging units to the frame, respectively, a hydraulic system to control heights of the plurality of vertically moveable legs, pressure sensors for sensing hydraulic pressures in the plurality of vertically movable legs, and a controller configured to, in response to signals received from the pressure sensors, generate a control signal. A method for ride control can comprise adjusting an attitude of the machine in response to sensed pressures.

Abstract: A rotor assembly for a rotary mixer is disclosed.

Abstract: A milling machine, system, and method for implementing a return to cut operation and/or an exit cut operation controls legs of the milling machine, a rotor of the milling machine, and front and rear doors of a mixing chamber of the milling machine according to settings for each of the return to cut operation and the exit cut operation. Such control can be based on signals from one or more sensors of the milling machine configured to sense various position-related characteristics of the milling machine, and can be performed responsive to a control input at an operator control interface of the milling machine.

Abstract: A milling machine, system, and method for implementing an exit cut operation raises a rotor from a state where the rotor contacts ground surface material responsive to a control input at an operator control interface of the milling machine. The rate at which the rotor is raised can increase as the rotor is raised. When the rotor is determined to have reached a top surface of the ground surface material the rotor can be raised at a maximum rate.

Abstract: A milling machine, system, and method for adjusting a rotor cutting height adjusts the rotor cutting height to a target cutting height responsive to a control input received at an operator control interface. One or more legs of the milling machine and/or a height of the rotor can be adjusted to adjust the rotor cutting height to the target cutting height. The rotor cutting height can be adjusted based on data from one or more sensors. Each sensor may be a sonic sensor or an image capturing sensor.

Abstract: An implement with a ground-engaging tool may include a frame supported above a surface of a ground by a ground-engaging portion and a suspension, a tool supported by and adjustable relative to the frame and configured for working the ground, a housing arranged around portions of the tool and secured to the frame, and a monitor system configured for identifying an exposed condition of the tool. A method of managing an exposed condition of a ground-engaging tool and a method of operating an implement with a ground-engaging tool are also described.

Abstract: A machine for road work, the machine can comprise: a frame; a rotor coupled to the frame and configured for rotational movement relative thereto; a milling system actuator configured to raise and lower the rotor to selectively disengage and engage with a surface of a working area; a first position sensor configured to sense a first position of a left side of the rotor relative to the surface; a second position sensor configured to sense a second position of a right side of the rotor relative to the surface; and a controller configured to, in response to signals received from the first position sensor and the second position senor, determine at least a cross-sectional area of the rotor that is engaging the surface.

Abstract: An implement with a ground-engaging tool may include a frame supported above a surface of a ground by a ground-engaging portion and a suspension and a tool supported by and adjustable relative to the frame and configured for working the ground. The implement may also include a plurality of ground sensors configured for capturing distance measurements to determine the position of the frame relative to the surface and a control and monitor system configured for establishing a nominal scratch position of the tool relative to the surface based on the distance measurements. A method of controlling a rotor tool depth of a milling machine and a method of operating a milling machine are also described.

Abstract: An implement with a ground-engaging tool may include a frame, a ground-engaging portion for supporting the frame on a surface of ground, and a suspension system coupling the ground-engaging portion to the frame and for adjusting the frame relative to the ground-engaging portion. The implement may also include a tool supported by and adjustable relative to the frame and configured for working the ground. The implement may also include a control and monitor system configured for establishing a nominal position of the tool relative to the surface and for establishing an actual position of the tool relative to the surface based on an offset adjustment. A method of determining a rotor tool depth of a milling machine and a method of operating a milling machine may also be provided.