Drilling Capacity

BQ

1500 m(4920 feet)

NQ

1300 m(4264 feet)

HQ

1000 m(3280 feet)

PQ

680 m(2230 feet)

Drill Head

Rotation Motor

Double Hydraulic Motors –variable and Reversible

Maker-SAUER-DANFOSS

RPM

Two Shifts/ Stepless Change 0-1145 RPM

Ratios

1st      8.776;1

2nd      2.716;1

Head Opener

sidewise sliding way with hydraulic drive

Hydraulic Chuck(PQ)

Hydraulically opened, Disc Spring Clamping, Normally Closed Type

Axial Holding Capacity of  222 400 N

Max. Torque

4650 N·m(3427 lbf·ft)

Hold Diameter

121 mm(4.76 inch)

Max. Lifting capacity of Spindle

150 kN(33720 lbf)

Max. Feeding Power

75 kN(16860 lbf)