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Development direction of milling machine
Topic Started: Nov 18 2016, 11:16 AM (9 Views)
qzz10011
Alpha Jedi Member
<p>First, the classification and use of road milling machine
Road surface milling machine is mainly used in highway, urban roads, airports, freight yard, parking field and other asphalt concrete surface excavation renovation, asphalt pavement, oil waves,Anti rain series asphalt pothole filler textures, rutting, etc.; Milling level of the wrong platform.</p>
<p>According to the milling width, the road surface milling machine can be divided into three kinds of large, medium and small, suitable for small areas of road maintenance, scraping spray marking, milling small trenches, etc., generally without waste recycling device. Mainly used for road maintenance renovation operations in China to produce small-scale road milling machine-based, and to large or medium-sized products is basically blank.</p>
<p>In addition, according to the different types of milling can be divided into hot and cold milling, cold milling due to the wide range of applications, the current dominant.Milling machine according to different ways of walking can be divided into wheel and crawler; Rotary direction and the direction of travel is different, can be divided into reverse milling and cis milling; according to whether the waste recycling conveyor,China Cheap Asphalt Drum Compactor can be divided into transmission and no transmission; installation by milling drum, can be divided into fixed and mobile.
Second, the development of domestic and foreign road milling machine
Foreign road milling machine originated in the 20th century, 50 years, after 50 years of development, its products have become serialized, the production efficiency is generally 150-2000m2 / h, the maximum milling depth of up to 350mm, the mechanical and electrical integration technology has been The milling depth can be automatically controlled by the automatic leveling system, and to improve the working environment and extend the service life of milling tools, designed with spray water device and sealed rotor shell.In order to reduce labor intensity, the products developed in recent years with Recycling equipment, so that the milling of the material from the milling rotor directly transported to the truck.Many foreign manufacturers, mainly Wirtgen, Ingersoll Rand, Bitelli, Caterpillar, Dynapac and so on.</p>
<p>Wirtgen in the international arena is dominant, especially small milling machine is unmatched and mainly produces SF and DC series milling machine, the maximum milling depth of 350mm, mainly in China to import the company's products. Has a history of more than 40 years of manufacturing milling machine, the SF series cold planing machine has 11 models, milling depth 340mm. Caterpillar main production PR and PM two series, milling depth 305mm, the milling machine With milling depth and milling surface automatically adjust the automatic control function, milling depth error of ± 3mm. Dainapak mainly produces PL series milling machine, milling depth 80-150mm.</p>
<p>Domestic road milling machine development began in the 20th century, 80 years, the beginning of the tractor as the chassis through the installation of milling device converted into, until the 90's began to carry out self-propelled milling machine development.Overall, Domestic milling machine lack of serialization of products, less functional,Road Construction product Electronic Road Signage low-tech, poor reliability., Production milling width of 2 m milling machine only Xuzhou Construction Machinery Factory, and several other manufacturers.National Economic and Trade Commission has made it clear that "15", milling speed 0-3m / min, milling concentration 0-300mm milling machine, so as to quickly improve the international competitiveness of China's road maintenance machinery.</p>
<p>In terms of technical level of the current products, the domestic manufacturers to Xuzhou Construction Machinery Factory, Zhenjiang Huatong Machinery Group, Shandong Texas Construction Machinery Company 3. Xuzhou Construction Machinery Factory in 1999 to introduce the German Wirtgen 2000DC milling Planer technology, through digestion and absorption has formed a milling width of 1 meters and 2 meters respectively, the serialization of products., Shandong Texas Engineering Machinery Company mainly produces a milling width of 1 m milling machine, the recent trial is milling width 2 M of the LX2000 milling machine.</p>
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