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Tunnel Construction Earth Pressure Balance Shield Tunneling Machine Φ8080mm Size

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Tunnel Construction Earth Pressure Balance Shield Tunneling Machine Φ8080mm Size

China Tunnel Construction Earth Pressure Balance Shield Tunneling Machine Φ8080mm Size supplier

Large Image :  Tunnel Construction Earth Pressure Balance Shield Tunneling Machine Φ8080mm Size

Product Details:

Place of Origin: China
Brand Name: CSSC
Certification: CE,ISO
Model Number: Φ8780mm

Payment & Shipping Terms:

Minimum Order Quantity: 1 set
Price: Negotiation
Packaging Details: Reinforced with wooden case or section steels
Delivery Time: 6 months after contact signed
Supply Ability: 1 set per 6 months
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Detailed Product Description
Product Name: Shield Machine Application: Rail Transit Construction
Size: Φ8080mm Type: Earth Pressure Balance

Φ8080mm Earth Pressure Balance Shield Machine


For more information please feel free to contact us at 8613436940854



1) Excavation diameter is large, suitable for high-speed inter city rail transit tunnel construction.

2) Keep the earth pressure, maintain the soil of excavation face stability, construction safety.

3) In the loose aquifer in construction of deep buried long tunnel technology and good economy etc.

4) Special measures such as soil improvement and other special measures can be taken in permeable stratum such as sandy soil, and the adaptability of geological condition is good.

5) Keep the earth pressure, speed control, and maintain the cutting volume of excavated volume phase equilibrium, the surface subsidence control precision.

6) Shield machine's advance, unearthed, assembled lining and so on the entire process to realize the automation work, the construction speed is quick, the labor intensity is low.

7) Construction site is small, does not affect the underground pipelines and other facilities, the construction of no noise and disturbance, the impact on the ground traffic is small.



1) Artificial earth fill.

2) Silty clay, mushy soil, fine sand, medium sand, coarse sand, round-gravle layer and silt under quaternary strata.

3) The rock stratum for halo weathering, high weathering and weak weathering of conglomerate sandstone and pebbly sandstone under paleogene system.






Position Project Name Parameter
Complete Machine Length of Main Engine 11050mm

Length of Main Engine

(include Back-up)

Excavation Diameter Φ8820mm
Maximum Thrust 72000KN
Supply Power 10KV±10%×50Hz
External Diameter Φ8780mm
Internal Diameter Φ8560mm
Length of Cutter Ring 900mm
Length of Support Ring 5435mm
Length of Tail Ring 4715mm
Clearance of Tail Ring 30mm
Seal of Tail Ring

3+1 ranks


Cutter head Cutterhead Aperture Ratio 30%
Type Panel Type
Excavation Diameter Φ8820mm
Cutter 144 pcs
Periphery Protect Cutter 12 pcs
  Cutter Box Protect Cutter 30 pcs
Abrasive Detect Cutter 2 pcs
Injection Hole Protect Cutter 8 pcs
Single Edge Disc Cutter 40 pcs
Double Edges Disc Cutter 5 pcs
Center Disc Cutter 4 pcs

Main Drive


Supporting Mode Intermediate Support
Cutterhead Motor



Working Torque 10046KN·m
Speed Infinite Speed Variation
Driving Mode Electrical Motor Drive
Revolution Direction Left/Right
Unlocking Torque 12056KN·m









Contact Details
China National Complete Plant & Tools Co. Ltd.

Contact Person: Mr. Qin

Tel: 86-1088029158

Fax: 86--13436940854

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