Wire electrical discharge machine DK7725M

high-accuracyhigh-speedprecision

Product Overview
The DK7725M is a member of the DK77M Series of precision CNC wire cutting (wire EDM) machines. It features a compact, rigid HT300 cast-iron body to reduce vibration and ensure machining stability. Full 5-axis CNC control enables taper cutting, multi-angle contours and segmented profiles for complex parts.

• Workpiece capacity: 500×400 mm
• Travel (X×Y): 320×250 mm
• Max. loading: 250 kg

Key Features

• Full 5-axis CNC control for complex taper and 3D contour machining
• HT300 cast-iron machine body minimizes thermal drift and mechanical distortion
• High-precision Taiwan Shangyin linear guides and ball screws
• Intelligent cutting-path software for improved edge finish and cycle efficiency
• Optimized for tool steels, carbides and high-alloy materials

Recommended Configurations

• Precision molybdenum wire — ensures dimensional stability during contour cutting
• Auto wire threading system — reduces downtime and improves repeatability
• Wire tension stabilizer — enhances edge consistency and reduces vibration effects
• Workpiece cooling module — maintains temperature uniformity for precision components
• Anti-electrolysis controller — extends wire life and improves surface finish
• CAD/CAM nesting software — automates complex toolpaths and shape libraries

Application Case

• Client: Precision mold workshop — South Korea
• Use case: Cutting detailed connector mold inserts with stepped geometries
• Setup: DK7725M with HIWIN guides, 0.18 mm wire, auto threading and high-speed discharge
• Results: Dimensional tolerance ≤ ±0.006 mm; surface roughness Ra ≤ 0.9 μm; ~20% cycle time reduction vs previous generation; repeatable accuracy and clean edges on small features

Technical Specifications

• Model: DK7725M
• Series: DK77M Series
• Max. workpiece size: 500 × 400 mm
• Travel (X × Y): 320 × 250 mm
• Max. loading: 250 kg
• Machine body: HT300 cast iron (compact, rigid)
• Control: Full 5-axis CNC
• Linear guides & ball screws: Taiwan Shangyin high-precision components
• Recommended wire: Precision molybdenum wire (0.18 mm example in case)
• Optional equipment: Auto wire threading system, wire tension stabilizer, workpiece cooling module, anti-electrolysis controller
• Software: CAD/CAM nesting and intelligent cutting-path software
• Typical achieved tolerance (case): ≤ ±0.006 mm
• Typical surface roughness (case): Ra ≤ 0.9 μm