Dk77 Series High Speed EDM Wire Cutting Machine Dk7745
Description:
EDM (Electrical Discharge Machining) Wire Cutting Machine is a high-precision non-traditional machining equipment that uses a thin, electrically conductive wire as the electrode to cut workpieces through electrical discharge erosion. The machine consists of a wire feeding system, a workpiece positioning platform, a high-frequency pulse power supply, and a numerical control (CNC) system. During operation, the wire electrode (typically copper or molybdenum wire) moves continuously at a stable speed, while a small gap is maintained between the wire and the workpiece. The high-frequency pulse power supply generates electric sparks in this gap, which melt and vaporize the workpiece material (conductive metals) to achieve precise cutting. Advanced models are equipped with automatic wire threading, gap adaptive control, and CNC programming functions, enabling complex contour cutting with ultra-high precision and surface finish.
| Model |
DK7720 |
DK7735 |
DK7745 |
DK7740F |
DK7750 |
| Worktable travel(mm) |
200*250 |
350*450 |
450*550 |
400*680 |
500*630 |
| Worktable size(mm) |
700*440 |
710*470 |
810*570 |
1000*540 |
1000*650 |
| Max. cutting thickness(mm) |
300 |
400 |
400 |
400/600 |
600 |
| Machining taper(mm) |
6°15°30°80° |
| Max. cutting speed(mm²/min) |
≥100 |
| Surface roughness(um) |
≤2.5 |
| Electrode wire diameter(mm) |
0.10-0.20 |
| Fixed running speed of the electrode wire(m/s) |
11.5 |
| Working accuracy |
GB7962-2005 |
| Power supply voltage |
380V,50Hz |
| Max. load(kg) |
150 |
300 |
450 |
500 |
700 |
| Machine weight(kg) |
700 |
1300 |
1800 |
2000 |
2400 |
| Overall dimensions(mm) |
1100*800*1400 |
1240*1170*1400 |
1600*1240*1400 |
1700*1600*1600 |
1720*1680*1700 |
| Packaging size(mm) |
1200*1000*1500 |
1700*1370*1700 |
2000*1800*1900 |
2000*1800*1900 |
2000*1900*2100 |
Application:
- Processing Special Materials: Wire EDM technology is not constrained by material properties, enabling machining of any hardness, strength, or brittleness—including materials like hardened steel, titanium alloys, and cemented carbides that are difficult to process mechanically.
- Mold Component Machining: Wire EDM technology is widely used for electrode processing in stamping dies, extrusion dies, plastic molds, and EDM cavity molds.
- New Product Trial Production: During new product development, wire cutting can directly fabricate parts without requiring molds, significantly shortening development cycles and reducing trial production costs.
- Processing Special Features like Micro-holes and Narrow Slots: Wire EDM excels at machining intricate features such as micro-holes and narrow slots, which are challenging to achieve with other methods.
Wire EDM technology finds extensive applications in mechanical processing, cold stamping dies, and extrusion die manufacturing, offering advantages including short production cycles, low manufacturing costs, and high fitting precision.
Advantages:
Wire cutting technology, as a specialized machining technique, has gained widespread application in mechanical manufacturing due to its high machining precision, high production efficiency, low power consumption, and low manufacturing costs. Particularly in the mold manufacturing industry, electrical discharge wire cutting technology is extensively used in the processing of cold-forming dies and extrusion dies. This has replaced the traditional approach of separate mold fabrication and curve grinding, shortening manufacturing cycles, reducing production costs, and achieving high assembly accuracy.
