DN SOLUTIONS DNM 750/50 II
USED DN SOLUTIONS DNM 750/50 II
The DN Solutions DNM 750/50 II is a heavy-duty vertical machining center engineered for manufacturers that require exceptional cutting power, large machining capacity, and long-term production reliability. Manufactured by DN Solutions, formerly known as Doosan Machine Tools, the DNM Series has earned a worldwide reputation for precision, durability, and high productivity. The DNM 750/50 II combines the large work envelope of the DNM 750 II with the superior torque and rigidity of an ISO 50 spindle, making it ideal for heavy-duty machining of large steel, cast iron, and difficult-to-machine materials. The machine features 1,630 mm X-axis travel, 762 mm Y-axis travel, 650 mm Z-axis travel, and a spacious 1,630 × 760 mm worktable capable of supporting workpieces weighing up to 1,500 kg. Its direct-coupled spindle delivers 22 kW of power, 353.2 Nm of torque, and a maximum spindle speed of 8,000 RPM, allowing aggressive material removal while maintaining excellent surface finishes and dimensional accuracy.
Built with a rigid Meehanite cast iron structure and precision linear roller guideways, the DNM 750/50 II offers outstanding vibration resistance, thermal stability, and repeatable machining performance. The machine is capable of milling, drilling, boring, tapping, contour machining, and heavy-duty roughing operations across aluminum, carbon steel, stainless steel, cast iron, titanium, nickel alloys, and other engineering materials.
The DNM 750/50 II is widely used throughout aerospace, automotive, heavy equipment, energy, oil and gas, mold and die, industrial equipment, mining, and precision contract machining industries. Equipped with reliable FANUC, Siemens, or Heidenhain CNC controls depending on machine configuration, along with optional through-spindle coolant, probing systems, chip conveyors, and fourth-axis compatibility, the machine offers exceptional versatility. Purchasing a used DN Solutions DNM 750/50 II provides manufacturers with premium heavy-duty machining capability at a significantly lower investment than purchasing new equipment while benefiting from excellent reliability and strong resale value.
DN SOLUTIONS DNM 750/50 II – AXIS
| Specification | Value |
|---|---|
| X Axis | 1,630 mm |
| Y Axis | 762 mm |
| Z Axis | 650 mm |
| Number of Axes | 3 |
| Fourth Axis Ready | Yes |
DN SOLUTIONS DNM 750/50 II – AXIS TRAVELS / WORK ENVELOPE
| Specification | Value |
|---|---|
| X Travel | 1,630 mm |
| Y Travel | 762 mm |
| Z Travel | 650 mm |
| Maximum Workpiece Height | Approximately 750 mm |
| Maximum Workpiece Weight | 1,500 kg |
DN SOLUTIONS DNM 750/50 II – TABLE
| Specification | Value |
|---|---|
| Table Size | 1,630 × 760 mm |
| Maximum Table Load | 1,500 kg |
| T-Slots | 18 mm |
| Number of T-Slots | 5 |
DN SOLUTIONS DNM 750/50 II – SPINDLE
| Specification | Value |
|---|---|
| Spindle Speed | 8,000 RPM |
| Spindle Motor | 22 kW |
| Maximum Torque | 353.2 Nm |
| Tool Taper | ISO 50 |
| Spindle Type | Direct Coupled |
DN SOLUTIONS DNM 750/50 II – TOOL CHANGER
| Specification | Value |
|---|---|
| Tool Capacity | 24 Tools (30 Optional) |
| Tool Changer Type | Twin Arm ATC |
| Maximum Tool Diameter | 125 mm |
| Maximum Tool Length | 350 mm |
| Maximum Tool Weight | 15 kg |
DN SOLUTIONS DNM 750/50 II – CONTROL SYSTEM
| Specification | Value |
|---|---|
| CNC Control | FANUC / Siemens / Heidenhain |
| Programming | ISO Standard G-Code |
| Ethernet | Standard |
| USB Interface | Standard |
DN SOLUTIONS DNM 750/50 II – COOLANT / CHIP MANAGEMENT
| Specification | Value |
|---|---|
| Flood Coolant | Standard |
| Through Spindle Coolant | Optional |
| High Pressure Coolant | Optional |
| Chip Conveyor | Optional |
| Full Machine Enclosure | Standard |
DN SOLUTIONS DNM 750/50 II – POWER REQUIREMENTS
| Specification | Value |
|---|---|
| Electrical Supply | 220–480V Three Phase |
| Connected Load | Approximately 45 kVA |
| Air Supply | Required |
DN SOLUTIONS DNM 750/50 II – DIMENSIONS
| Specification | Value |
|---|---|
| Length | 3,850 mm |
| Width | 3,480 mm |
| Height | 3,370 mm |
| Machine Weight | Approximately 13,800 kg |
DN SOLUTIONS DNM 750/50 II – GENERAL INFORMATION
| Item | Details |
|---|---|
| Manufacturer | DN Solutions |
| Model | DNM 750/50 II |
| Machine Type | Vertical Machining Center |
| Construction | Meehanite Cast Iron |
| Tool Taper | ISO 50 |
| Tool Capacity | 24 Tools |
| Automatic Tool Changer | Yes |
| Fourth Axis Ready | Yes |
| Automation Ready | Yes |
INDUSTRIES THAT USE DN SOLUTIONS DNM 750/50 II
The DN Solutions DNM 750/50 II is widely used in industries that require heavy-duty metal removal and machining of large precision components. Aerospace manufacturers machine structural aircraft parts, tooling plates, landing gear components, and heavy fixtures. Automotive manufacturers produce engine blocks, transmission housings, suspension components, production tooling, and prototype assemblies.
Heavy equipment manufacturers rely on the machine for gearbox housings, hydraulic manifolds, structural weldments, machine frames, and mining equipment components. Mold and die manufacturers use the DNM 750/50 II for large mold bases, die plates, and precision tooling. Energy, oil and gas, defense, industrial equipment, and contract machining companies also utilize the machine for large fabricated parts, compressor housings, pump bodies, and heavy industrial components requiring high torque machining.
TYPICAL PARTS DN SOLUTIONS DNM 750/50 II CAN PRODUCE
The DN Solutions DNM 750/50 II can manufacture a wide range of heavy-duty precision components including gearbox housings, engine blocks, hydraulic manifolds, machine bases, mold plates, structural brackets, valve bodies, compressor housings, transmission cases, robotic frames, tooling plates, and industrial equipment components.
The machine performs heavy milling, drilling, tapping, boring, contour machining, pocket milling, precision finishing, and roughing operations in a single setup. Optional fourth-axis capability enables efficient multi-sided machining while reducing setup time.
Manufacturers commonly produce aerospace tooling, automotive production fixtures, energy sector equipment, oilfield components, pump housings, fabricated steel assemblies, machine frames, construction equipment parts, and custom production tooling from cast iron, stainless steel, carbon steel, titanium, aluminum, brass, bronze, engineering plastics, and specialty alloys.
WHY CHOOSE DN SOLUTIONS DNM 750/50 II
The DN Solutions DNM 750/50 II is designed for manufacturers that require maximum rigidity, exceptional cutting performance, and long-term reliability. Its ISO 50 spindle provides substantially higher torque than standard ISO 40 machines, allowing aggressive material removal and improved productivity during heavy-duty machining operations.
The rigid Meehanite cast iron construction minimizes vibration and maintains dimensional accuracy during demanding cutting applications. Precision linear roller guideways provide smooth axis movement, excellent positioning accuracy, and long service life. The direct-coupled spindle delivers reliable power transmission while reducing maintenance requirements.
The dependable CNC control simplifies programming and machine operation while providing worldwide technical support. Optional features including through-spindle coolant, probing systems, chip conveyors, and fourth-axis capability further enhance production efficiency. Combined with strong resale value, low maintenance costs, and proven durability, the DNM 750/50 II remains one of the most capable heavy-duty vertical machining centers available in the used CNC market.
WHY BUY USED DN SOLUTIONS DNM 750/50 II
Purchasing a used DN Solutions DNM 750/50 II provides manufacturers with premium heavy-duty machining capability while significantly reducing capital investment. Buyers gain access to a powerful ISO 50 machining center capable of handling demanding production work at a fraction of the cost of purchasing a comparable new machine.
Used machines are frequently available for immediate delivery, eliminating long factory lead times and allowing manufacturers to expand production capacity quickly. Properly maintained DNM machines continue to deliver outstanding machining accuracy, productivity, and dependable operation for many years.
Because most depreciation occurs during the first years of ownership, purchasing used provides exceptional long-term value while preserving capital for tooling, workholding, automation, and inspection equipment. Combined with readily available replacement parts, worldwide service support, and excellent reliability, the DNM 750/50 II remains an outstanding investment for manufacturers seeking dependable heavy-duty CNC machining capability.
HOW MUCH DOES A USED DN SOLUTIONS DNM 750/50 II COST?
The price of a used DN Solutions DNM 750/50 II depends on machine age, spindle hours, maintenance history, CNC control, tooling packages, probing systems, installed accessories, and overall condition. Machines equipped with through-spindle coolant, chip conveyors, fourth-axis rotary tables, Renishaw probing systems, and extensive tooling packages generally command higher resale values because they are production-ready.
Machines with documented maintenance histories and lower operating hours typically provide the best long-term value by minimizing refurbishment costs and reducing unexpected downtime. Buyers should inspect spindle condition, guideway wear, ballscrew accuracy, lubrication systems, automatic tool changer performance, and CNC diagnostics before making a purchase.
Due to its high-torque ISO 50 spindle, large machining envelope, and outstanding production capabilities, the DN Solutions DNM 750/50 II remains highly sought after in the used CNC machinery market. Depending on machine configuration and condition, a used DN Solutions DNM 750/50 II typically sells within an estimated price range of $110,000 to $225,000 USD. Premium machines equipped with probing systems, extensive tooling packages, low spindle hours, and advanced options may exceed this range, while older or higher-hour machines may be available at lower prices. A quality used DNM 750/50 II provides manufacturers with exceptional machining capability, lower ownership costs, and dependable long-term production performance.
