PT7725CT >>> Shenzhen Poly Top Industry Development Co., Ltd.

PTDK CLOSE-LOOPED CNC EDM DRILL

Application Area：
　This machine is used for wire hole of WEDM, holes for spurting silk, holes in filterplate and sieve-plate, the dissipate heat holes in motor's blade and crock, the holes in hydraulic circuit. The machine is also used to erode the drilling head or the awl which is broken in the workpiece, while the whorl of the hole is loss-free.

FEATURE：

Two CPU, X, Y, Z axes move by motor

X, Y ball screw to ensure accuracy and rigitdy

linear scale for close-loop

more than eight hundred holes to be preset and drill automatically

loss ratio setting to control drill depth

Adapted-control for smooth internal surface

specification	Unit	PTDK703-28	PTDK703-28L	PTDK703-40
Work table size	mm	615×435	780×490	850×550
X、Y axis travel	mm	280×360	280×500	400×550
Z servo/manual travel	mm	300/300
Fluid capacity	L	10×2
Dielectric fluid		Normal water
Load of table	kg	200	200	600
Packing dimensions	mm	1150×1150×1900	1150×1280×1900	1300×1280×1900
Machine weight	kg	600	700	900
Eletrode diameter	mm	ф0.3～3
Depth/diameter ratio		100:1
Input voltage	V/Hz/PH	380VAC/50Hz/3P
Power required	KVA	<4.5
Max. working current	A	<15A
Size of controller	mm	9009001900
Controller weight	kg	80