Topcon, Sauer Danfoss Introduce Automated Paver Controls

by Asphalt Contractor Staff
Created: July 18, 2007

TSD announces ReadyPave, MasterPave and AutoPave

CEAttachments Severe-Duty Edge Cold Planer
The Edge severe-duty cold planer is suited for use on high-flow skid steers and is available in 40-inch width and 10-inch depths. Unit offers electro-hydraulic-controlled tilt, depth and sideshift. The planetary reduction gearbox and fitted due-cone seals prevent milled debris from eroding the seal. Other features include an in-line filter; full side plates and rear mounting flange enclosed drum; and front lid for easy access for cleaning and maintenance of picks.

Bomag BW211-40 Series Rollers
These 12-ton class single-drum vibratory rollers are available with a smooth (BW211D-40) or padfoot (BW211PD-40) drum. Powered by Deutz four-cylinder, water-cooled, Tier III diesel engines, units generate 1,800 and 2,160 vpm across an 84-inch operating width. The 22,930-pound BW211D-40 generates 53,100 pounds of centrifugal force in high amplitude and 38,250 pounds in low amplitude. The 25,785-pound BW211PD-40 generates 61,875 pounds of force in high amplitude and 44,550 pounds in low amplitude.

Powerscreen Horizon 5163 Scalping/Screening Plant
The new, highly mobile Powerscreen Horizon 5163 precision scalping and screening plant is designed to handle materials up to 10 inches and can produce up to 600 tons per hour of high specification products (such as road building/paving) with materials such as natural and crushed aggregates, crushed and recycled concrete and asphalt, coal and iron ore. Also works well in closed-circuit primary, secondary and tertiary crushing setups to achieve high tonnages of fine-sized product meeting strict specifications.

Topcon's Millimeter GPS applications expanded to include pavers, trimmers
Topcon Positioning Systems' industry-leading Millimeter GPS precise positioning technology has been expanded into the paving industry, creating the world's first 3D-GPS+ control system for pavers, profilers and trimmers.

Topcon's technology provides a significant enhancement in the vertical measuring precision of RTK GPS. The technology, known as Lazer Zone™, is used by hundreds of companies worldwide to generate a vertical accuracy to within a few millimeters as compared to the centimeter vertical accuracy of conventional RTK GPS.

Used on pavers, the Millimeter GPS technology incorporates a unique zone-beam laser transmitter, the PZL 1, that sweeps a 2,000-foot-diameter area with a 33-foot-high wall of laser light. A compact sensor, the PZS MC, is mounted on a mast which is attached to the toe arm of the paver. Any time the PZS-MC sensor is positioned within the laser zone signal, the system provides vertical data resulting in millimeter vertical measuring precision.

Millimeter GPS technology is "up to 300 percent more accurate than standard GPS, and will provide the best 3D machine control in the industry," Murray Lodge, TPS director of sales-construction, says. "The Lazer Zone technology brings together the simplicity of a rotating laser, the accuracy of a robotic total station, and the flexibility and multiple user capabilities of GPS into one complete jobsite solution," he says.

Millimeter-accurate GPS can be used for setting stakes or checking grade behind the paver as well. By simply combining the Lazer Zone technology with any Topcon RTK GPS rover along with the same PZL-1 transmitter you get the same high accuracy vertical precision control anywhere on the project.