CREC Cantilever Tunnel Boring Machine- CTR300A

Main parameter

Positioning cutting range

Height

4.2m~6.5m

Width

4.2m~7.0m

Total weight

125t

Total installed power

572kW

Dimension

Length

15.65m/22.38m

Width

3.6m(wood pallet)

3.23m(fuselage)

Height

3.73m（cab）

3.74m(dirt catcher)

Undercover depth

247mm

Gradeability

-16°-+16°

Ground clearance

270mm

Ground voltage

0.18MPa

Supply voltage

AC1140V

Cooling water volume

100-150L/min

water supply pressure

0.5MPa~0.8MPa

Uniaxial compressive strength of economical cut rock

70MPa

Maximum parameters of non-detachable parts of the whole machine

Maximum non-detachable dimension

（L*W*H）

5.20m*1.62m*2.03m

7.56m*0.83m*0.65m

2.47m*3.20m*1.83m

Maximum non-removable weight

13.9t

Cutting device parameters

Cutting motor power

300/220kW

Cutting head speed

46/30r/min

Motor cooling method

Water-cooling

Shovel device parameters

width

3.6m

Star wheel speed

0-30r/min

Loading form

Double star wheel

First conveyer parameter

Width

640mm

Chain speed

1.1m/s

Transport aircraft form

Side double chain scraper

Walking device parameters

Outside width of walking track

3.05mm

Track shoe width

700mm

Walking speed

0-6/7.5m/min

Hydraulic system parameters

Pump station motor power

160kW

Hydraulic pump

260+145+145Ml/r

Fuel tank capacity

1200L

Motor cooling method

forced air cooling

Fixed work stress

25MPa