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The history and development of the grader.
2025-01-20
The original grader can be traced back to the United States in the late 19th century. Since the 1920s, over nearly 80 years of development, graders have undergone a process of evolution from low speed to high speed, small to large, mechanical control to hydraulic control, mechanical shifting to power shifting, mechanical steering to hydraulic power steering and then to fully hydraulic steering, as well as from overall frame to shovel frame. The reliability, durability, safety, and comfort of the whole machine have greatly improved. With the development of technology, the development and application of mechanical manufacturing and hydraulic technology, and their combined application in engineering machinery products, high technology represented by modern microelectronics is increasingly being used to transform the traditional structure of engineering machinery products. The application of mature technology has greatly promoted the further improvement of the comprehensive technical level of graders. Graders have developed to the level of self-grading. Automation has become the development trend of graders. Therefore, graders have also been widely used. It is particularly noteworthy that the M series graders launched by Caterpillar have revolutionarily integrated the machine's control system into an operating handle similar to an aircraft control stick, allowing operators to complete construction tasks more intelligently.
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