On December 21, 2005, Liugong reached a significant milestone with the launch of its first milling machine. The CLG568 asphalt cold milling machine was developed as part of the company's capital increase and share expansion project in 2005. This model marked a major breakthrough, filling a critical gap in the domestic market. It is considered the most technologically advanced and structurally complex product in Liugong’s history. The mass production of this machine became a key component of the company’s 11th Five-Year Plan.
In the global context, milling machines have been in use for over 40 years, while their development in China has spanned nearly two decades. These machines are primarily used for maintaining and repairing high-grade roads, municipal roads, airports, and public squares. They enable road resurfacing, repairs, and trench milling, making them essential for both asphalt and concrete pavement construction.
With the growing need for efficient and high-quality maintenance of the vast road network and the increasing urban infrastructure projects, the demand for road maintenance equipment has surged. However, the domestic market has largely been dominated by imported machinery. In response, our company launched the CLG568, incorporating advanced technologies such as an ultimate load control system and a precise milling depth control system. With a maximum power output of 400KW and a milling width of 2 meters, the CLG568 offers performance and reliability that match or exceed those of similar products in China. Its strategic market positioning gives it a strong competitive edge.
The CLG568, independently developed by Liugong, was assembled starting at the end of October 2005 and completed within two months. It features a powerful Deutz V8 engine rated at 400KW, the most powerful engine ever used in Liugong products. This was also the first VG engine in the CLG series. The hydraulic system of the machine is among the most complex in the company’s history, including four plunger pumps, nine plunger motors, twenty-four hydraulic cylinders, and over forty stacking valves. Additional systems such as the walking, conveyor, cooling, and auxiliary units were all integrated into the design.
After more than 50 days of intensive work by engineers and production staff, the machine was finally assembled, tested, and successfully started. This achievement marked a remarkable New Year gift for the company, symbolizing progress, innovation, and determination in the field of road construction equipment.
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