XCMG Kaigong Heavy Industry launches the 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.