Road milling machine is one of the main equipments necessary for road mechanization maintenance. It is mainly used for milling and clearing of damaged asphalt, cement concrete surface layer and roadbed stability layer in highways, urban roads, airports, squares and other facilities. Such as road congestion, oil waves, netting, and rutting, it can also perform fast anti-skid work on the road surface. In recent years, China's highway traffic flow, passenger and freight traffic has increased substantially, the wear and damage speed of highways has accelerated, and the workload of road maintenance and maintenance has also increased. At present, in China, the R&D and manufacturing technology of milling machines has just started, and the domestic large-scale milling machine market is monopolized by imported products.
This is an excellent opportunity for the development of Sany Road Machinery. In September 2004, the research and development of road milling machines was officially established. After nearly a year of research and design, the prototype of the SM2000 road milling machine was finally released as scheduled.
The Sany SM2000 road milling machine is a large-scale milling machine with international advanced level, which is designed with the world's most advanced German products of the same type as the blueprint. Compared with domestic similar products, it has four “domestic originalsâ€. The first is the walking stepless speed control technology, which has high system efficiency, large traction, good starting performance, strong braking ability and excellent walking performance. Second, steering control technology, the four steering modes can be used by two steering handles. Synergistic control, can complete four kinds of steering control with one handle, making the equipment steering flexible and flexible; third, the cooling fan intelligent control technology can reduce noise and save energy; the fourth is the movable double console and driver seat Make the equipment comfortable and convenient to operate.
In addition, the Sany SM2000 road milling machine has a high configuration feature, and its tailor-made milling rotor ensures high reliability and high construction efficiency. The product's comprehensive performance indicators can compete with the world's top similar products, and can completely replace imports.
The flexible Heating Insulation Board is suitable for heavy casting pieces, it is unrestricted by the shape or dimension of the riser, you can combine them freely and it is convenient to use.
The main characters of the fiber composite Insulation Riser head are light, high refractoriness, high temperature line with little shrinkage, high apparent porosity, small heat loss, good heat preservation ,economical and practical. It can eliminate the shrinkage porosity of the inner face of the casting pieces, improve the inner quality of the casting pieces, and also improve the feeding efficient of the riser apparently, reduce the liquid steel of the riser and improve the process recovery efficiency of the casting pieces. Now it is widely used in casting pieces ,such as cast steel, cast iron and non-ferrous metal.
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Baoji Huaguang Casting Material Science and Technology Co.,Ltd , http://www.bjhgcasting.com