CREC Cantilever Tunnel Boring Machine- CTR300D

Main parameter

Positioning cutting range

Height

4.2m~6.77m

Width

4.5m~7.44m

Total weight

98t

Total installed power

488kW

Dimension

Length

11.67m

Width

3.6m (wood pallet)

3.25m(fuselage)

Height

3.75m（cab）

3.45m(dirt catcher)

Undercover depth

185mm

Gradeability

-16°-+16°

Ground clearance

290mm

Ground voltage

0.175MPa

Supply voltage

AC1140V

Cooling water volume

50-90L/min

Water supply pressure

0.5MPa~0.8MPa

Uniaxial compressive strength of economical cut rock

70MPa

Maximum non-detachable dimension

（L*W*H）

Mainframe bracket

4.32m*1.43m*2.02m

Front chute

5.82m*0.83m*0.66m

Scraper stand

2.48m*3.6m*0.85m

Maximum non-removable weight

11.755t

Cutting device parameters

Cutting motor power

300kW

Cutting head speed

46r/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

1.15m/s

Transport aircraft form

Side double chain scraper

Walking device parameters

Outside width of walking track

3.15mm

Track shoe width

850mm

Walking speed

0-6/7.5m/min

Hydraulic system parameters

Pump station motor power

90kW

Hydraulic pump

145+145Ml/r

Fuel tank capacity

660L

Motor cooling method

Forced air cooling

Fixed work stress

25MPa