Regular maintenance
-
Email: cncengineer@minnuo.com
Applications: Mold inserts • stamping punches • sensor brackets • precision shims
The DK77120 is a large-format CNC wire-cut EDM machine designed to tackle extra-large and heavy conductive workpieces. With an expansive 1200 × 1600 mm travel and 500 mm vertical clearance, it supports precise contouring, taper cutting, and profile shaping on oversized dies, thick plates, and complex components.
DK77 Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● Massive Table Capacity (1300 × 1900 mm): Supports heavy workpieces such as automotive die shoes, multi-cavity mold bases, and tooling plates.
- ● Long-Axis Travel (1200 × 1600 mm): Enables full machining of oversized components without repositioning, improving efficiency and alignment accuracy.
- ● 500 mm Max Workpiece Height: Accommodates thick steel blocks or stacked materials, ideal for large tool setups.
- ● Gantry Frame with Precision Guideways: Ensures stability and long-term accuracy, even under heavy loads.
- ● Optional Multi-Axis or Taper Control Head: Available for angled features or 3D-profile cutting.
Get More Details →
Recommended Configurations
- ● Automatic Wire Threading： Reduces downtime, ideal for long-cycle operations.
- ● Dual Water Pump System： Ensures strong dielectric circulation for large volume machining.
- ● Taper Cutting System (optional)： Enables precision beveling on thick components.
- ● Extended Filtration Unit： Maintains dielectric fluid purity for prolonged cutting stability.
- ● Vacuum Workholding Setup： Useful for large, flat plates prone to thermal distortion.
Get More Details →
Application Case
- ● Client: Automotive Stamping Die Manufacturer – Germany.
- ● Use Case: Processing of 1200 × 1500 mm hardened mold base with multiple pocket contours and taper features.
- ● Setup: DK77120 with taper head, dual coolant system, and overhead crane loading.
- ● Results: Accuracy across full travel: ≤ ±0.015 mm, Ra finish: ≤ 2.2 μm, daily continuous operation time: 20+ hours, client feedback: “Unmatched capability for full-size mold cutting with tight tolerances.”
Get More Details →
Product Specifications
| Type | Worktable size（mm） | Worktable travel（mm） | Max.workpiece height（mm） | Taper（optional） | Max.workpiece weight（kg） | Machine weight（kg） | Machine dimension（L*H） | Power consumption |
|---|---|---|---|---|---|---|---|---|
| DK7720 | 270*420 | 200*250 | 200 | 60/80mm | 100 | 800 | 1160*880*1400 | AC380V/220V 50Hz |
| DK7725 | 340*520 | 250*220 | 400 | 60~120/80 | 200 | 1200 | 1485*1010*1700 | |
| DK7730 | 340*560 | 300*360 | 400 | 60~120/80mm | 200 | 1250 | 1485*1050*1700 | |
| DK7732 | 380*600 | 320*400 | 400 | 60~300/80mm | 300 | 1400 | 1640*1280*1700 | |
| DK7735 | 380*650 | 350*450 | 400 | 60~300/80mm | 300 | 1440 | 1660*1330*1700 | |
| DK7740 | 410*710 | 400*500 | 400 | 60~600/80mm | 450 | 1600 | 1830*1490*1700 | |
| DK7740B | 450*840 | 400*630 | 400 | 60~600/80mm | 450 | 1670 | 1845*1610*1700 | |
| DK7745 | 500*750 | 450*550 | 400 | 60~600/80mm | 450 | 1650 | 1865*1520*1700 | |
| DK7755 | 596*880 | 550*650 | 500 | 60~600/80mm | 800 | 2500 | 2070*1170*1790 | |
| DK7755B | 596*1060 | 550*850 | 500 | 60~600/80mm | 850 | 2600 | 2070*1950*1790 | |
| DK7763 | 790*1260 | 6300*1000 | 600 | 60~600/80mm | 1000 | 3500 | 2265*2160*1930 | |
| DK7763A | 720*1260 | 630*1000 | 600 | 60~600/80mm | 1000 | 3200 | 2200*2160*1930 | |
| DK7780 | 900*1500 | 800*1200 | 600 | 60~600/80mm | 1500 | 5500 | 2900*2500*2150 | |
| DK7780A | 880*1440 | 800*1200 | 600 | 60~600/80mm | 1500 | 4700 | 2700*2300*1900 | |
| DK7780B | 880*1260 | 800*1000 | 600 | 60~600/80mm | 1500 | 4500 | 2620*2260*1900 | |
| DK77100 | 1010*1500 | 1000*1200 | 600 | 60~120/80mm | 1500 | 5600 | 2930*2500*2000 | |
| DK77120 | 1300*1900 | 1200*1600 | 500 | 60~120/80mm | 4000 | 10000 |
Catalog
Frequently Asked Questions
Minnuo’s wire EDM machines are ideal for precision molds, punches, stamping dies, aerospace components, medical parts, and complex mechanical structures requiring fine, accurate profiles.
Wire EDM can cut hardened steel, stainless steel, tungsten carbide, titanium alloys, copper, aluminum, and even superalloy materials, regardless of hardness.
Our wire EDMs achieve positioning accuracy within ±0.003–0.005 mm and surface roughness down to Ra 0.6–1.2 μm, depending on machine model and cutting parameters.
Of course! Send us your material type, thickness, dimensional tolerances, and part shape, and Minnuo’s engineers will recommend the most suitable wire EDM model within 10 minutes.
Yes! Customization options include worktable size, maximum cutting thickness, automatic wire threading (AWT) systems, high-frequency power supplies, multi-cut programs, and CNC controller upgrades.
We use high-stability Meehanite casting bases, precision linear guides, servo drive systems, laser calibration, and test cutting verification before shipment.
Standard models are delivered within 20–30 working days. Customized models or special configurations require 30–45 working days.
Minnuo offers a one-year warranty, 24/7 technical support, remote troubleshooting, online operator training, and long-term spare parts supply.
Need Help ?
Have any questions? For answers or additional information about ourmachines, please contact us here.
HOT Products
Our best-selling machine tools are designed to meet the needs of modern manufacturing.
Horizontal Boring and Milling Machining Center HTC65 Series
The HTC65 Series Horizontal Boring and Milling Machining Center is a high-performance, heavy-duty machine designed for precise boring, milling, and drilling of large workpieces, offering exceptional stability, high torque, and minimal vibration, making it ideal for aerospace, automotive, and machinery industries.
CNC Gantry Type Turning-Milling Compound Machining Center VHT5000X56
The VHT5000X56 CNC Gantry Type Turning-Milling Center offers high-precision machining for drilling, milling, and complex tasks. Its robust design ensures reliability and efficiency, ideal for large components in industries like railways and shipbuilding, with easy maintenance and flexible tooling options.
CNC Vertical Lathe-Grinding Compound Machine CKM51 Series
The CKM51 Series CNC Vertical Lathe-Grinding Compound Machine integrates turning and grinding for improved efficiency, reduced costs, and enhanced accuracy. Its unique design with dual CNC tool holders enables continuous operations, while the electric spindle with water cooling ensures stable, high-speed performance, making it ideal for automotive, aerospace, and military applications.
Double Column Vertical Lathe CK52 Series
The CK52 Series Double Column Vertical Lathe is a heavy-duty, high-performance machine for precision turning of workpieces up to 200 tons. It features robust construction, precision bearings, hydrostatic guideways, and advanced spindle speed control, ensuring high accuracy, stability, and large bearing capacity. Ideal for aerospace, shipbuilding, and heavy machinery.
CNC Single-column Vertical Lathe DVT51 Series
The DVT51 Series CNC Single-column Vertical Lathe is designed for versatile and high-precision turning operations. With a servo motor-driven vertical tool holder, this machine can handle a variety of cutting tasks, including turning cylindrical and conical surfaces, end faces, grooves, and drilling. The use of high-speed steel and hard alloy cutting tools makes it suitable for processing a wide range of materials, including black metals, non-ferrous metals, and some non-metallic materials.
Dual Ball Screw Heavy-duty CNC Vertical Lathe CK51-BD Series
The CK51-BD Series Dual Ball Screw Heavy-duty CNC Vertical Lathe is engineered for high rigidity, stability, and precision, making it ideal for machining large and complex workpieces. Equipped with dual ball screw lifting systems for the crossbeam, this machine offers exceptional cutting capabilities, capable of handling rough, semi-precision, and precision operations on various metals and non-metallic parts.
Single-column CNC Vertical Lathe CK51 Series
The CK51 Series Single-column CNC Vertical Lathe delivers high precision and heavy-duty performance for large workpieces. Its robust design features a high-precision spindle with double-row cylindrical roller bearings for superior rotation accuracy and minimal thermal deformation. Built with high-strength gray cast iron, it ensures durability, while the AC servo motor and ball screw drive offer precise feed movements. Customizable CNC options and the ability to add spindle servo motors make it ideal for both high-volume production and specialized machining.
Complex Multi-Step Machining Vertical CNC Machining Center 1370
The VMC 1370 is an ultra-fast, high-rigidity vertical CNC machining center designed for high-efficiency processing of mid-to-large size components. With a travel range of 1300 × 700 × 700mm, rapid traverse speeds up to 20/20/15 m/min (X/Y/Z), and feed speeds reaching 8000 mm/min, the machine delivers excellent accuracy, surface finish, and shortened cycle times in diverse industries such as mold making, metal frames, auto parts, and electronics housing.
WhatsApp(Tel):
Email:
Free Quote, Fast Response!
Fill out the inquiry form, and we will promptly provide a free, detailed quote. You can also reach us 24/7 via fax, email, or phone, or use our quick contact form to inquire about our services and projects.
Email
sales1:+1 213 865 6527 
×