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Do You Know the Four Key Factors for Grading with a Motor Grader?

ABSTRACT

Motor graders are essential machines in construction, used for creating a smooth, flat surface. To achieve the best results, it’s important to understand the four key factors that contribute to effective grading.

  • Align the Machine: This directly impacts the quality of your work. To achieve a level surface, you must first ensure that the motor grader itself is stable and level. However, in special conditions where leveling the machine is not possible, you will need to rely on adjusting angles and precise operations.

  • Grade Horizontally Before Vertically: Why grade horizontally before vertically? If you grade vertically first and then horizontally, no matter how skilled you are, the result will always be wavy. Grading horizontally first provides a larger contact area, making it easier to manage and operate.

  • Shape in One Pass: This is self-explanatory. Aim to complete the grading in a single pass without having to go over it a second or third time. Multiple passes not only reduce efficiency but also make the soil increasingly loose and harder to manage. Therefore, if you can achieve the desired result in one pass, avoid making multiple passes.

  • Overlap Each Pass: To ensure a neat and uniform surface, each pass of the blade should slightly overlap the previous pass. This technique ensures smooth and even grading, avoiding a wavy finish. Pay special attention to overlapping sections to maintain a consistent, level surface.