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ZNC Small Hole Drilling EDM

DZ703 series machines automatic control on Z-axis. Manual control on the X and Y axes.They are cost-effective and best-selling model of Small Hole Drilling EDM.
Electrode Dia.: 0.15 - 3.0mm
Depth-diameter ratio: 300: 1
Drilling Depth:0-400 mm
Max. Drilling Speed:10-100 mm
Electrode: Brass tube, Copper tube
Suitable for wire cutting initial holes, nozzle holes, filter holes, pores, fine holes, ultra-deep holes and blind hole of many kinds of metals as well as super-hard conductors.
Product Description

Item

Parameters

Machine body

DZ703-350

DZ703-430

DZ703-450

DZ703-640

DZ703-850

DZ703-1060

Control Type

Z axis NC Control

Controlled axes

Z-axis automatic control, X/Y-axis manual movement

Travel X/Y

350×250mm

400×300mm

450×350mm

600×400mm

800×500mm

600×1000mm

The oil tank size

550×300×40mm

650×420×40mm

710×470×40mm

1100×680×300mm

1200×760×300mm

1500×920×400mm

Worktable dimension

400×300mm

450×350mm

500×380mm

960×570mm

1000×630mm

1340×820mm

Electrode diameter

0.15- 3.0mm

0.15- 3.0mm

0.15- 3.0mm

0.15- 3.0mm

0.3- 3.0mm

500mm

Max. workpiece weight

200kg

200kg

300kg

300kg

1000kg

1500kgs

Max. drilling depth

300mm

300mm

350mm

350mm

400mm

400mm

Spindle travel

280mm

280mm

280mm

300mm

300mm

300mm

Z-axis travel

250mm

300mm

300mm

300mm

350mm

350mm

The max. space between guider & work table

50-380mm

50-400mm

50-400mm

50-400mm

50-450mm

50-450mm

MAX. Length of Electrode

500mm

Pump operating pressure

12Mpa

Work liquid filtrate way

Line gap filtration

Dielectric unit capacity

25 Liters×2pcs

Power Supply

3×380V ±10% ,50/60Hz

Other supply

110V-480V(on request)

Power Capacity

4KVA

Max. machining current

30A

Min. command

0.001mm

Max. command

±999.999mm

Max. drilling speed

30-100mm/min(it is different for different material)

Technologies

steel/copper/ aluminum/ carbide

Dielectric

Water

Monitor

Grating scaleDRO

Coordinate mode

Incremental

Menu Language  

Chinese/English

Dimension

Metric & Inch

Machine dimensions

1100×1050×1900mm

1150×1150×1900mm

1220×1200×2000mm

1420×1260×2000mm

1600×1900×2100mm

2160×1800mm×1900mm

Total weight

480kg

500kg

530kg

580kg

1700kg

1900kg


Mechanical Features

Ø DZ703 series has X and Y axis manual control and Z axis program control, with handwheel of X and Y axis.

Ø The classic integrated design is adopted, which has beautiful shape, novel structure, superior performance and modern industrial flavor.

Ø The structural parts are manufactured from high quality cast iron.

Ø The X,Y,Z three-axis moving parts of the machine tool adopt precision Linear Guideway and ball screw.

Ø Three-axis 5µ linear grating ruler have digital readout displaysDRO,It is consistent with operation.

Ø The rotary head is of straight gear transmission.

Ø Z axes is moved by motor.

Ø Spindle adopt servo motor, which has high speed and accurate positioning.

Ø The specialty plunger pump, thread gap filter

Ø The marble working table

Ø Equipped with Stainless steel workpiece installation fixture

Ø Equipped with centralized lubrication system.

 

Controller characteristics

Ø The super large scales integrate circuits make the impulse power supply reliable.

Ø The multiple power supply of high and low voltage and high-power VMOS field -effect transistor.

Ø It contains the operation and control mode of DZ703.

Ø The processing polarity can be changed.

Ø The processing stability is adjustable.

Ø Can drill deep hole with diameters 0.2mm ~ 3mm (the depth-diameter ratio is 300: 1)

Ø The speed of drilling hole is 10mm~100mm depth per minute (it is different for different material).

Ø Can drill wire-cut starting hole, filter hole, jet hole, gas hole, group holes and hole of super depth etc.

Ø Can drill small holes on the various conductive materials, even semiconductor material, especially stainless steel, chilled steel, copper, aluminium and hard alloy etc.

Ø Can drill on oblique and curved surface directly.

Ø Can easily erode the drill and screw tap etc which is broken in the workpiece and not destroy the screw thread of the holes.

Ø The working water can be normal water or saponification fluid.

Ø X, Y, Z axes have digital display devices.

Ø Z axis has the function of setting depth.

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