Gun drilling Machine

Basic Info

description
processing method:  gun drill and external chip removing
cnc system: fanuc oi mate tc / gsk980tdc (optional)
drill stem: high speed mechanical spindle, frequency speed adjustment, rotary and feed
workpiece: rotary with constant speed
guide sleeve: axial fixed
clamping: the workpiece is accurately located by the chamfer on the two ends and clamped by
inner cone top on the tail of workpiece and front of guide sleeve.
main parameter
drilling abilitydescription
processing method:  gun drill and external chip removing
cnc system: fanuc oi mate tc / gsk980tdc (optional)
drill stem: high speed mechanical spindle, frequency speed adjustment, rotary and feed
workpiece: rotary with constant speed
guide sleeve: axial fixed
clamping: the workpiece is accurately located by the chamfer on the two ends and clamped by
inner cone top on the tail of workpiece and front of guide sleeve.
main parameter
drilling ability

no. of spindle:  2 pcs
drilling diameter range:  1.5mm---8.0 mm
max. drilling depth:  500 mm
wokrpiece diameter range:50 mm
max. length of workpiece:  500 mm
drilling speed

max. drill stem rotary speed:  15000 r/min
workpiece rotary :  500 r/min
feed speed range: 1500 mm/min
fast move speed:2000 mm/min
drilling accuracy
     1.  skewness: 1.0/1000 drilling depth(non rotary of workpiece)
                           0.5/1000 drilling depth(counter-rotary of workpiece and drill
                                                           stem)
     2.  dimensional accuracy:  it7~it11
     3.   roughness:  ra0.4~ra1.6
machine power

power of drill stem motor: 1.1 kw
power of workpiece rotary motor: 1.1kw
power of oil pump motor:  4.0 kw
power of feed motor:  1.8 kw
power of oil cooling machine:  2.8 kw
hydraulic system

max. flow: 20 l/min
max. pressure:   16 mpa
filter accuracy:   10 um
oil tank capacity:    960 L

basic dimension & weight

ground area:(l*w*h)    4500*3000*1800 mm
distance between drill stem center and ground:   1070 mm
height from drill stem center and guide rail:   297.0 mm
distance between spindles:   220 mm
weight of main engine:    5.0 t

Product Description

The series of gun drilling machine is mainly for drilling concentric deep hole of small and medium sized axial parts. The series is introduced multi spindle and workpiece’s position design which can simultaneously drill multi workpiece.  For fasten and convenient clamping, the clamping method is flexible according to type of workpiece , besides, clamping system is equipped with auxiliary support frame.