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Three Coordination Four Axis CNC Deep Hole Gun Drilling Machine

ZKA21—series three coordinates Four Axis CNC Deep Hole Gun Drilling Machine adopt the way of gun drill processing (outside removal chip), tool rotating feed, workpiece is fixed on the workbench, the workbench can be vertical and lateral movement; Imported or domestic nc system with single action and function of automatic cycle;

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Three servo axis: X, Y, Z axis, servo motor drive ball screw pair, which can realize the movement of each axis. Tool rotation speed and feed are stepless speed regulation.

Max hole diameter: φ20mm, φ30mm, φ40mm three kinds of specifications. it can drilling straight hole, oblique hole, blind hole and the function of the ladder hole. It is widely used in automobile, motorcycle industry bottle mould industry, military industry, aerospace industry, hydraulic valve, gear shaft and other parts of small deep hole processing.

Machine features

● Bed body and the box body is made of high quality cast iron casting, with good rigidity and stability.

● It doesn't need to return cutting tool in the process of drilling deep hole.

● It adopts CNC control system, a high degree of automation.

● The cutting tool rotating and feed movement is stepless speed regulation.

● X axis: Dovetail slide guide or rolling linear guide (four spindle series), Y: rectangular slide guide, Z axis: linear rolling guide.

● It has three servo axis, which can realize coordinates hole drilling hole machining.

● The bearing of spindle and guideway adopt automatic intermittent lubrication, etc.

● High pressure cooling system adopts frequency conversion motor drive gear pump, and the immersion cooler can control the oil temperature.

● It adopts automatic chip removal machine.

● With multiple automatic monitoring device.

The four axis series feature: this machine adopt double feed system(double Z axis) ,every feed system drive a drilling bar box, and every drilling bar box is double spindle structure, so it is easy to operate.

The movement of drilling bar box (z axis) adopts line guideway, workbench movement adopt double rectangular slide guideway, the transversally movement of workbench adopt line guideway.

And it has special coolant system, which can supply high pressure and large flow clean cutting oil. It equips the automatic chip removal machine, oil temperature controller, filter system, high pressure pump group and so on. There is whole assemble of part on the oil tank, so it is very easy to clean, it is suitable for magnetic and non-magnetic machining.

Model		ZKA2102×4	ZKA2103×4
Work capacity	Drilling hole diameter	Φ3-Φ20	Φ3-Φ30
	Max drilling depth	500
Spindle	Spindle head number	4	4
	Distance between spidnle	250, 300, 250	250, 300, 250
	Max rotation speed(stepless,r/min)	7000	7000
	Main motor power(kw)	5.5×2	7.5×2
X axis	Travel (mm)	400	400
	Rapid moving speed	3
	Motor torque(Nm)	10
Yaxis	Travel	300
	Rapid moving speed	3
	Motor torque(Nm)	27
Z axis	Feed range	10-500(mm/min)
	Rapid moving speed	5
	Motor torque(Nm)	10
Work bench	Size (Z-X)	600×1100
	Bearing weight(about, t)	1t
	T type slot size(mm)	18
Coolant system	Max pressure (Mpa)	10
	Max flow(L/min)	200
Drilling hole accuracy	hole diameter accuracy	IT7-IT11
	Roughness	Ra 0.4-3.2um
	Hole center line deflection (long:diameter≤100:1)	≤1mm/1000mm
	Hole straightness accuracy	≤0.05mm/100mm((long:diameter≤100:1)

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