GOMACO has launched the world's first bridge deck finisher with 3D guidance, an update to its C-450 cylinder finisher. With this update, the company created smart hydraulic cylinders, with 15 inches of stroke, for a vertically adjusting undercarriage fitted with a 3D mast with prism and a slope sensor. GOMACO says the 3D system controls vertical movement of the rear cylinder to keep both cylinders moving at the same ratio to each other. The system takes a series of measurements while the machine is moving, with the prism, slope sensors, long-range Bluetooth radios and 3D computer processing the data to feed to the smart cylinders. The cylinders, in turn, make adjustments determined by the calculated position of the bottom of the finishing drum or the top of the concrete surface. The C-450 can pave from 12 feet wide to 104 feet wide with transitional framework, and features the company's three-point finishing system composed of the auger, cylinder and float pan.
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