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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 machining, the 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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