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If there were one word to describe what grade control is all about, that word would be "exact."
Conventional or 2D grade-control systems are best suited for flat areas or slight grades, and use sonic sensors or a laser transmitter and sensor along with machine-position sensors to display the cut and fill required to maintain grade on a monitor. With a 3D grade-control system, your job's design elevations are input into your crawler dozer's or motor grader's control box. A receiver on your machine reads the GPS signals received by an elevated antenna as well as correctional data transmitted by a jobsite-based station to calculate an accurate cutting-edge position. The control box's computer compares the cutting-edge position to the design elevations and then displays cut-and-fill information.
A 3D system is best for complex contours. Automatic systems for both 2D and 3D even adjust the blade for the operator. Both methods allow you to achieve an exact height and an exact angle, while using an exact amount of materials and manpower to get the job done.
- For motor graders, crawler dozers, and excavators
- Incredible grading accuracy
- Reduced passes and labor requirements
- Faster job completion