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270 × 420 mm · Table Travel: 200 × 250 mm · Max Workpiece Height: 200 mm

The DK7720 is a compact CNC wire-cut electrical discharge machining (EDM) center, designed for high-precision machining of small-scale components. With a worktable travel of 200×250mm, it supports fine-detail shaping on molds, punches, dies, and complex 2D contours.

DK77 Series

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Regular maintenance

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Spare parts supply

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On-site installation service

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Customized design

Why Choose Our CNC Solutions

Key Features

  • Compact 270×420 mm Table Accommodates small-to-medium precision parts while saving floor space.
  • Stable Travel (200×250 mm) Enables accurate motion control for micro-slotting, corner definition, and profile outlines.
  • Max Workpiece Height of 200 mm Suitable for detailed machining of mold inserts, cavity forms, and conductive prototype blocks.
  • High-Precision Servo Drive System Ensures smooth axis movement and tight path tolerance during complex geometries.
  • Low Wear Brass Wire System Minimizes spark gap fluctuations and enhances edge smoothness.
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Recommended Configurations

  • Water-Cooled Dielectric Tank: Enhances spark control, cools work zone, improves cut quality.
  • Automatic Wire Threading: Reduces manual reset time, suitable for batch processes.
  • Workpiece Clamp Set: Secures thin or irregular parts during delicate motion.
  • Digital MPG Handwheel: Helps fine-adjust starting position or inspect small contour transitions.
  • Filtering System: Maintains dielectric fluid purity for fine-finish cuts.
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Application Case

  • Client: Micro Mold Manufacturer – Switzerland
  • Use Case: Cutting injection mold inserts for high-tolerance plastic connectors
  • Setup: DK7720 with fine wire, water-cooled tank, and programmable threading
  • Setup: DK7720 with fine wire, water-cooled tank, and programmable threading
  • Feedback: “Surprisingly accurate for such a compact EDM platform”
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Product Specifications

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MINNUO
Europe & North America
USA Office Address:
8 The Green Ste A Dover Kent 19901
WhatsApp(Tel) :+1(213) 865-6075
Asia-Pacific Region
China Office:
Lishi Exploit Park,Xinqiao Industrial Park, Jingjiang City
WhatsApp(Tel) :+86 13295238763