Specifications

Technical data

Max. boring diameter

Φ360mm

Drilling capacity

Φ25~Φ80mm

Max. boring depth

1~8m(length to diameter ratio 100: 1)

Center height (from flat guideway to spindle center)

400mm

Spindle bore diameter

Φ75mm

Front taper of spindle

Φ85mm 1: 20

Speed range and steps

70-1200r/min 12kinds

Feeding speed range

10-1000mm/min(stepless)

Rapid speed of feeding carriage

4000mm/min

Range of workpiece diameter

Φ40~Φ400mm

Main motor

N=30kW,n=1460r/min

Feeding motor

N=3.3kW,α30/1200 A.C servo motor

Rapid motor of oil carriage

N=2.2kW,n=960r/min

Rapid speed of oil carriage

3000mm/min

Coolant pump motor

N=5.5kW,n=1460r/min(3 sets) N=7.5kW,n=960r/min(1 sets)

Hydraulic pump motor

N=1.5kW, n=1440r/min

Rated pressure of cooling system

2.5~6.3MPa

Flow of coolant

80, 180, 280, 380L/min

Rated pressure of hydraulic system

6.3MPa

General motor power

N=61kW (coolant pump 24kW)

Overall machine weight

12t

Floor area

8800×1680×1700(mm)