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XCMG Kaigong Heavy Industry launches the shield machine

  • XCMG Kaigong Heavy Industry launches the shield machine

  • XCMG Kaigong Heavy Industry Co., Ltd. successfully developed the first EPB-6390 composite EPB shield machine in 2011, and has launched several models so far. 
  • The product has been put into metro construction in cities such as Nanjing and Suzhou, and gained unanimous praise from clients and customers.
shield machine
  • Prototype and site operation of XCMG shield machine

  • Prototype and site operation of XCMG shield machine
  • Some 83 m in length, 6.5 m in diameter and over 500 t in weight, EPB-6390 shield machine is composed of more than 10,000 parts and has a production period of about 2-3 months. 
  • The company cooperates with the world’s largest shield machine manufacturer Herrenknecht in the technology R & D of EPB-6390 to keep it ahead in the industry. 
  • Based on different geological structures and actual demands, the company can rely on its advanced shield machine manufacturing technologies 
  • And processes to customize various types of equipment such as EPB shield machine, hard rock boring machine and slurry balance shield machine.

Item

Unit

φ6.45m composite EPB shield machine

φ6.39m composite EPB shield machine

Parameters

Boring diameter

mm

6440

6390

Segment outer diameter/length

mm/mm

6200 /1500

6200 /1500

Overall length

m

80

74

Total weight

t

475

408

Min. turning radius

m

250

250

Final drive mode/power

KW

Hydraulic/945KW

Electric/675KW

Total thrust

KN

42575

42575

Final drive rated torque

KN/m

5538

4616

Breakout torque

KN/m

6621

6000

Cutterhead rotation speed

rpm

0 – 4.5

0 – 1.5

Geological condition

Soil containing clay, sludge and some weathered granites, where the soft layer is over the hard layer, and the groundwater depth is 0.5-4m

Soil containing pebbles, gravels, sandstones, siltstone, clay, sludge and decomposed stones etc.

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