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410 × 710 mm · Table Travel: 400 × 500 mm · Max Workpiece Height: 400 mm
The DK7740 is a CNC-controlled wire-cut EDM machine designed for stable, accurate cutting of mid-sized workpieces. With a 400mm max cutting height and large travel area (400×500mm), it balances working envelope and precision, making it an ideal solution for detailed slotting, sharp internal angles, and thin-wall shaping.
DK77 Series
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Why Choose Our CNC Solutions
Key Features
- ● Large Worktable (410×710 mm) Provides ample space for large individual components or multiple workpieces in a single setup.
- ● 400×500 mm Axis Travel Enables flexible machining of intricate geometries and offset contours with ease.
- ● 400 mm Max Workpiece Height Supports thick plates and stacked materials for efficient high-volume operations.
- ● Stable Wire Drive System Delivers consistent wire tension for precise cuts while minimizing wire breakage.
- ● Smooth Taper Cutting (Optional) Facilitates accurate conical shapes and angled walls with optional taper cutting accessories.
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Recommended Configurations
- ● Water-cooled Dielectric System: Keeps spark zone clean and consistent, improving surface finish.
- ● Automatic Wire Feeding: Reduces operator time and increases production consistency.
- ● Taper Cutting Head (Optional): Enables precise angled wall machining for die shoes and press inserts.
- ● Magnetic Workholding Plate: Ideal for fast swaps in mold or electrode cutting environments.
- ● Multi-Layer Filtration System: Extends dielectric fluid life, lowers operating cost. 4o
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Application Case
- ● Client: Mold Workshop – Poland
- ● Use Case: Cutting hardened steel die blocks with tapered ejector holes
- ● Setup: DK7740 with taper head, auto wire feed, and water chiller
- ● Results: Ra finish: ≤ 2.2μm, taper angle accuracy: ±0.01°, daily output increased by 40% compared to manual EDM
- ● Feedback: “A solid workhorse—precise, stable, and reliable for long hours”
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Product Specifications
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The DK7740 is a CNC-controlled wire-cut EDM machine designed for stable, accurate cutting of mid-sized workpieces. With a 400mm max cutting height and large travel area (400×500mm), it balances working envelope and precision, making it an ideal solution for detailed slotting, sharp internal angles, and thin-wall shaping.
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