Selection Criteria

Cutters

DH Machine

DH-FS Machine

DH-L Machine

DH-U Curved Machine

DT Machine

BM EPB Segmental 

Slurry Pumps

Guidance Systems

Jacking Systems

Rasa Island

Thrust Reducer

Jacking Layout

Treatment Systems

Beachwalk Project

Microtunneling, Inc. are exclusive agents in North and South America for Rasa 

MTBM, TBM, EPB, Slurry Shields, and Segment Shields.

Translate

Nagano Osuzo Jacking System

 

Ozuzo

Hydraulic Jacking System

Nagano Osuzo Machine

Nagano Osuzo Drawing 1 Nagano Osuzo Drawing 2
Nagano Osuzo Drawing 3
Major Dimensions (Unit: mm)
Jack Type Pipe ID Number of Jacks A B C D E F G

100T

ID 800

4

1425

4850

1300

150

150

370

251

ID 900
ID 1000 1500
ID 1100
ID 1200 1650 740
ID 1350

150T

ID  900

4

1450

4950

1300

150

150

415

273

ID 1000
ID 1100

1500

ID1200

6

1850

ID 1350
ID 1500
ID 1650

2200

200T

ID 1200

4

1530

5000

1700

150

150

490 311
ID 1350
ID 1500

4

1530

5000

2000

150

150

735

311

ID 1650

6

490

ID 1800

6

1530

5000

2400

150

150 490 311
ID 2000

8

Propulsion System Design Jack Oshimoto
Type TS-10/500-300 TS-15/500-300 TS-20/500-300
Thrust (KN) 1000 1500 2000
Stroke (mm) 3000 3000 3000
Maximum Design Pressure (MPa) Press 50 46.5 47.5
Argument 17 17 17
Required Amt. of Oil (liter) 72 101 133
At least enable the pilot (mm) 1425 1450 1530
Weight (kg) 940 1200 1690

Contact Timothy Coss, President, Microtunneling, Inc.

timcoss@microtunneling.com

Phone +1 303-444-2650

Fax     +1 303-444-0889

Copy right Oil Machinery Co., Ltd. Nagano Since 1967