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|double spindle gundrilling for axial
workpieces(center and off center holes)
Spindle/double sindle gundrilling machine for
axial workpieces,drilling center holes or
Drilling method: Gundrilling
Hole range:3mm to 30mm
CNC system:Fanuc 0I mate TC,GSK or others.
Machine Brief of NZK2103(1500mm) Gundrilling
1) Drill hole method: Gun drilling method.
2) Machine equips with T-Slot working table,
T-slot in the middle is the reference slot with
width 18H7. The height from spindle center to
T-slot working table is 240mm, length of T-slot
working table is 1500mm.
3) Infeed guide rail of the machine is HIMIN
linear guide rail, sliding block of linear guide
rail equips with seal.
4) Machine equips with full safety guard with four
doors, the door can be linked move.
5) Drill bar box spindle is driven by SIEMENS
servo main motor and synchronous belt, can
realize speed stepless, main motor power 5kw,
spindle rotating speed 500~5000r/min. Deublin
rotary joint is used for the rear end of drill bar
box spindle. The tooling is mounted directly on
the front end of drill bar box spindle without
drill handle connection sleeve; The front end of
the spindle is machined with four press screw
holes for backup.
6) Cutter infeeding movement adopts SIEMENS servo
motor, flexible coupling, ball screw structure,
speed stepless can be realized; Screw nuts with
7) Machine equips with two sets of drill bar
support rest, which are connected by chain. and
drill bar support rest linked move.
8) Guilde sleeve inside of guide frame can do
axial movement for 30mm under the control of
hydraulic pressure system to tighten and loosen
9) Machine coolant system include: Paper filter,
high pressure pump group and liquid level
controller, can adjust the pressure and flow of
cutting oil according to hole diameter, flow and
pressure value will be shown.
10) There is oil returning slot on the infeed
sliding table and machine bed, all oil will be
back to the coolant oil tank.
11) There is oil retention tank under the coolant
oil tank and mahine bed.
12) CNC system adopts SIEMENS-808D.
Machine main parameters of NZK2103(1500mm)
Specification Parameter Remark
Working capacity Drill hole diameter
range Φ5～Φ30mm -
Drill hole max. depth 1500mm -
Workpiece max. length 1500mm -
Machine Character Z axis Infeed speed
range 5～500mm/min Stepless