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  • The milling machine is a special mechanical equipment for road and urban road maintenance operations. It is mainly used to remove pavement diseases such as ruts, cracks, shovel and pits on the road surface.……
    Dec 21
    2018
  • Rotary drilling rig is the most common equipment in the current pile construction. Because the geology of each place is different, how to choose the right drill bit in the piling process becomes a key issue.……
    Dec 21
    2018
  • Applicable engineering is different. TBM is used for hard rock and shield machine is used for excavation of soil layer.……
    Dec 21
    2018
  • After a long-term development, the tool industry is currently in a rising period. At this stage, what kind of development method should the cutting tool enterprises adopt...……
    Dec 21
    2018
  • In order to greatly improve the working efficiency of the edge milling machine, we only need to consider the following two aspects: one is to increase the power of cutting, and the second is to reduce.……
    Dec 21
    2018
  • The shield machine is known as the “steel shovel” and is one of the main equipments for tunnel construction. The shield machine can be generally divided into four parts.……
    Dec 21
    2018
  • It is understood that the amount of excavation using the shield construction method accounts for 45% of the total construction of the Beijing metro. At present, a total of 17 shield machines.……
    Dec 21
    2018
  • Tunnel construction with shield construction method has high automation, labor saving, fast construction speed, one hole formation, no weather influence, ground subsidence during excavation.……
    Dec 21
    2018
  • The shield machine is a tunnel boring machine using a shield method. The construction method of the shield is the “shield” (referred to as the supporting segment) of the tunneling machine while.……
    Dec 21
    2018
  • Pay special attention to cleaning when installing the tool. Whether it is roughing or finishing, the boring tool must pay attention to the cleanliness in all aspects of installation and assembly.……
    Dec 21
    2018
  • In addition to mass production of gears on special machine tools, more and more toothed parts are being machined on non-gear machining machines, including small batch gears.……
    Dec 21
    2018
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