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CNC Small Hole Drilling EDM

DK703 CNC EDM drilling machine series automatic control on XYZ-axis. Best-selling model of Small Hole Drilling EDM.If equipped with automatic electrode or guide changer, It can do automatic machining.
CNC Control system:Windows 7
3-5 axis control (Optional X, Y, Z, B, C),
Electrode Dia.: 0.3 - 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

CNC Control 

Controlled axes

XYZ-axis automatic control

XYZ axis travel Control

AC Servo system and AC servo motor

Travel X/Y

350×250mm

400×300mm

450×350mm

600×400mm

800×500mm

600×1000mm

The oil tank size

550×300×40mm

710×470×280mm

850×570×280mm

1100×680×300mm

1200×760×300mm

1500×920×400mm

Worktable dimension

400×300mm

500×380mm

600×400mm

960×570mm

1000×630mm

1340×820mm

Electrode diameter

0.3- 3.0mm

0.3- 3.0mm

0.3- 3.0mm

0.3- 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)

Max input power

4.5KVA

Min. wear of electrode 

30%

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

Working liquid supply 

Electrical plunger pump

CNC Control system

Windows 7

DisplayRemote control

15-inch LCD

Accuracy compensation options

Step pitch compensation of each axis,gap compensation

Positioning accuracy

0.015/300mm

Repeat positioning accuracy

±0.01mm

Feed ratio of X, Y axis

1000mm/min

Coordinate mode

Incremental

Menu Language  

Chinese/English

Dimension

Metric & Inch

Machine dimensions

1100×1050×1900mm

1150×1150×1900mm

1350×1250×2100mm

1420×1260×2000mm

1600×1900×2100mm

2160×1800mm×1900mm

Total weight

400kg

480kg

530kg

580kg

1700kg

1900kg

Mechanical Features

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

Ø The operation console cantilever-mounted, and its position and orientation can be adjusted at will, making the operation more convenient and quick.

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

Ø X, Y and Z axes adopt AC Servo system and DC servo motor, which has high speed and accurate positioning.

Ø The workbench moves fast, which shortens the moving time between holes and improves the processing efficiency.

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

Ø The rotary head is of straight gear transmission.

Ø The specialty plunger pump, thread gap filter

Ø The marble working table, semi-submerged work tank.

Ø Equipped with stainless steel workpiece installation fixture

Ø Equipped with centralized lubrication system.

Controller characteristics

Ø Can drill deep hole with diameters 0.3mm ~ 3mm (the depth-diameter ratio is 300: Ø The speed of drilling hole is 10mm-100mm depth per minute (it is different for different material)

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 and no pollution is brought.

Ø Convenient system operation, easy to use.

Ø Hand remote control box operation.

CNC System software operation function:

Ø The system adopts a touch screen industrial control computer and Win7 operating system. It runs fast and can process massive data at the same time.

Ø The control system build in IC of control module with drawing software. Auto transfer between drawing and points machining.

Ø With a rich data interface, Internet date transfer, G code and other files management, flash disc reading.

Ø AutoCAD.dxf, G code can be read and changing to points machining.  

Ø  AUTOCAD software can be used for programming.

Ø Can real time monitor the drilling condition and adjust the HF power to improve the drilling efficiency.

Ø Intelligent database based on a large number of testing for different machining requirement and can be upgraded for free.

Ø Operation and input: touch screen, keyboard and mouse.

Ø Absolute coordinate and relative coordinates facility for positioning and machining.

Ø Function of drawing coordination conversion, zoom, rotation, tracing and displaying.

Ø Auto Short circuit manage function.

Ø Memory function, Auto stop once finishing, stop point setting functions.

Ø Auto edge finding, centering, coordinate setting, original finding, transfer between absolute coordinate and relative coordinate.

Ø Process path program, interpolation function.

Ø  Menu technology, Auto program function.

Ø  Auto-repair the electrodes.

Ø Gap servo follow function.

Ø  Auto clear Z axis, Automatic detection of penetration, depth coordinate can also be set manually.

Ø The XY axis has a closed-loop function, which can achieve high-precision positioning.

Ø Function shift manual or CNC mode machiningthe X and Y axes are automatically locked after positioning and can be unlocked manually.

In order to ensure the quality of the aperture, the electrode tubes with specifications below 0.3mm are selected for manual processing.

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