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480×720mm Table · 400mm X Travel · 500mm Y Travel · 300mm Z Cut Thickness
The DK7740HA is a robust reciprocating medium-wire EDM machine engineered for cutting larger conductive workpieces with precision. With a spacious 480×720mm worktable and 400×500mm axis travel, it supports multi-part layouts and complex contours in thicker materials. Its high-rigidity structure, powerful control system, and optimized fluid circulation enable excellent dimensional accuracy and surface quality, even during extended use.
DK77HA Series
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Why Choose Our CNC Solutions
Key Features
- ● Enlarged 480×720mm table provides space for large dies and multiple setups.
- ● 400×500mm travel range supports contour-intensive and nested parts.
- ● 300mm Z-axis capacity enables deep-profile cutting of medium to thick materials.
- ● Reciprocating motion reduces thermal stress and improves vertical accuracy.
- ● Digital CNC control with fine-step pulse adjustment for smooth edge performance.
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Recommended Configurations
- ● High-efficiency flushing system: Ensures chip removal during deep or complex cuts.
- ● Auto wire refeed system: Reduces downtime and supports multi-shift production.
- ● Magnetic base fixtures: Enhances workholding flexibility for flat and long parts.
- ● Dust shield enclosure: Improves workplace cleanliness and EDM reliability.
- ● Extended tank for thick pieces: Allows handling of taller parts without overflow or turbulence.
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Application Case
- ● Client: Die & Mold Manufacturer – Turkey
- ● Use Case: Cutting progressive stamping die bases with multi-layer internal geometries
- ● Setup: DK7740HA with magnetic fixture, extended fluid tank, and automatic wire threading
- ● Results: Dimensional tolerance maintained: ≤ ±0.01 mm Surface finish Ra: ≤ 2.3 μm Cycle time per die base: ~95 minutes Client feedback: “An efficient cutting solution for our die room—precision stays consistent even after long hours.”
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