Deep Hole Gundrilling Machine Zk2103f Deep Hole Drilling Economic Type

Product Description

ZK21xxF CNC deep hole drilling machine

This machine is a special purpose CNC deep hole drilling machine with high efficiency, high accuracy and high automatization, by metal chips external removing method (gundrill method), once continued drilling can replace drilling, boring and reaming etc. many machining procedure, and obtain the same machining accuracy and surface roughness. controlled by CNC system, not only has the machine single moving function, but also automatic cycle function. therefor it is suitable for both small and large batch production. This machine can drill through hole, blind hole and step hole, mated with special holders, it can also drill eccentricity hole and slant hole.

Characteristic of the machine
All the bed and boxes of the machine adopt fine casting, so they have good rigidity and stability.
The cutter need not untread during machining.
Controlled by CNC system, the automatization is high.
Feed system is diven by AC servo motor and ball screw couples with stepless speed.
Adopt slide guide way, glued plastic on the moving parts, the low speed travel is smooth, has not crawl.
The spindle speed of the travel headstock with rotating drilling bar is stepless.
Spindle bearing and surface of guide way are lubricated intermittently.
High pressure coolant system adopt frequency converting motor to drive gear pumps, and adopt immerged oil temperature controller.
Adopt automatic metal chips conveyer.
Adopt whole closed guard cover with convenient view windows and beautifule outline.
With multi-automatic surveillant and controll devices.



Main specification and features

Technical specification		Technical parameter
		ZK2012F	ZK2012F×2			ZK2103F
Machining scope	Number of spindles	1	2			1
	Distance between spindles		120mm		180mm
	Drilling Dia.	3-20mm				6-30mm
	Max. drilling depth	500/1000mm		440/950mm		500/1000mm
Travel headstock with rotating drilling bar	Max. rotating speed of spindle	7000r/Min				6000r/Min
	Main motor power	4kW		4kW×2		5.5kW
Feed of cutter	Speed range(stepless)	5-500mm/Min		5-500mm/Min		5-500mm/Min
	Rapid travel speed	3m/Min				3m/Min
	Motor torque	7.7Nm				7.7Nm
Coolant system	Max. pressure	10MPa
	Max. flow	100L/Min
others	General power(approx.)	20kW		24kW		22kW
	Outline size(L×W×H)	3.5/4.7×3.2×1.8m
	General weight(approx.)	4/5t
Machining accuracy	Hole Dia. accuracy	IT7-IT11
	roughness	Ra0.4-3.2µm
	Deflexion of hole center line	Workpiece stationary:≤1mm/1000mm;workpiece rotating:≤0.5mm/1000mm.(ratio of length and Dia.≤100:1)
	Linearity of hole	≤0.05mm/100mm.(ratio of length and Dia.≤100:1)

Standard sheme:
KND KND or GSK CNC system, manual pulse control box, vibration damper steady of drilling bar, chain plate type automatic chip conveyer,whole closed guard cover, centred lubrication station, special purpose coolant system, alarm light, tools, work light, levelers, oil temperature controller, hydraulic system etc.
Optional devices:
FANUC 0i mate MD or SIEMENS 828D CNC system,drilling cutter and adapters, drilling oil, cutter grinder or grinding device, oil throwing machine, magnetic metal chips conveyer,air conditioner of electric control box, hydraulic tailstock, holders, headstock.

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