Abstract: A computing system operates to associate a layout logic with a plurality of object that are rendered on a canvas of a user device, where the plurality of objects include a parent object and multiple child objects contained within the parent object. The multiple child objects can be arranged to have a first collective span in a first axial direction and a second collective span in a second axial direction. In response to a first input, the computer system automatically implements the layout logic by (i) changing a dimension of the parent object in each of the first axial direction and second axial direction, and (ii) rearranging the multiple child objects within the parent object to change the first collective span and the second collective span.

Abstract: A seal system for a rotor assembly of a surface treatment machine includes a rotatable rotor assembly shell including surface treatment tools extending therefrom, and a stub-shaft located within the shell and fixedly coupled to the shell. The stub-shaft includes a shaft portion and a base portion, with the base portion including a recess. A non-rotatable bearing housing surrounds at least a portion of the shaft portion and has an longitudinally extending inner end located within the recess. A seal member is located in the recess and secured between the bearing housing and the base portion.

Abstract: A machine includes a material working mechanism movable relative to a frame to vary working depth of the material working mechanism. A control system monitors certain parameters, and controls a liquid dispensing mechanism to control application of a liquid such as water or an emulsion to be applied to material being worked by the material working mechanism based upon the parameters. The control system functions to produce a desired proportion of the liquid such as a liquid percent density in worked material.

Abstract: A machine includes a material working mechanism movable relative to a frame to vary working depth of the material working mechanism. A control system monitors certain parameters, and controls a liquid dispensing mechanism to control application of a liquid such as water or an emulsion to be applied to material being worked by the material working mechanism based upon the parameters. The control system functions to produce a desired proportion of the liquid such as a liquid percent density in worked material.

Abstract: A seal system for a rotor assembly of a surface treatment machine includes a rotatable rotor assembly shell including surface treatment tools extending therefrom, and a stub-shaft located within the shell and fixedly coupled to the shell. The stub-shaft includes a shaft portion and a base portion, with the base portion including a recess. A non-rotatable bearing housing surrounds at least a portion of the shaft portion and has an longitudinally extending inner end located within the recess. A seal member is located in the recess and secured between the bearing housing and the base portion.

Abstract: A spray bar assembly in a material working system of a ground-engaging machine, such as a rotary mixer, includes a spray bar coupled with an elongate carrier by way of a hinge connector. The elongate carrier is supported between guides mounted upon a housing of a rotor in the material working system, to guide the spray bar assembly for linear movement relative to a frame of the ground-engaging machine. The elongate carrier has openings that register with spray ports in a housing of the system, and the spray bar is tiltable to position spray nozzles within the openings and spray ports or withdraw the spray nozzles from the openings and spray ports.

Abstract: A machine includes a material working mechanism movable relative to a frame to vary working depth of the material working mechanism. A control system monitors certain parameters, and controls a liquid dispensing mechanism to control application of a liquid such as water or an emulsion to be applied to material being worked by the material working mechanism based upon the parameters. The control system functions to produce a desired proportion of the liquid such as a liquid percent density in worked material.