DN SOLUTIONS DNM 750L/50 II
USED DN SOLUTIONS DNM 750L/50 II
The DN Solutions DNM 750L/50 II is a heavy-duty long-bed vertical machining center built for manufacturers that require exceptional cutting power, extended machining travel, and maximum production efficiency. Manufactured by DN Solutions, formerly known as Doosan Machine Tools, the DNM Series is trusted worldwide for its precision, durability, and high-performance machining capabilities. The DNM 750L/50 II combines the extended work envelope of the DNM 750 L II with the superior torque and rigidity of an ISO 50 spindle, making it an ideal solution for machining long, heavy, and complex components.
The machine features an impressive 2,160 mm X-axis travel, 762 mm Y-axis travel, 650 mm Z-axis travel, and a large 2,160 × 760 mm worktable capable of supporting workpieces weighing up to 1,800 kg. It is equipped with a direct-coupled ISO 50 spindle delivering 22 kW of power, 353.2 Nm of torque, and spindle speeds of up to 10,000 RPM (depending on market configuration). Its heavy-duty Meehanite cast iron construction, precision linear roller guideways, and advanced thermal compensation provide outstanding rigidity, vibration resistance, and long-term machining accuracy during demanding production applications.
The DNM 750L/50 II is widely used in aerospace, automotive, heavy equipment, energy, oil and gas, mold and die, industrial equipment, mining, and precision contract machining industries. It is ideal for heavy milling, drilling, tapping, boring, contour machining, and high-accuracy finishing of oversized workpieces. Equipped with FANUC, Siemens, or Heidenhain CNC controls depending on machine configuration, along with optional features including through-spindle coolant, probing systems, chip conveyors, and fourth-axis compatibility, the machine offers exceptional productivity. Purchasing a used DN Solutions DNM 750L/50 II allows manufacturers to obtain premium heavy-duty machining capability at a significantly lower investment than purchasing new equipment while benefiting from excellent reliability and long-term value.
DN SOLUTIONS DNM 750L/50 II – AXIS
| Specification | Value |
|---|---|
| X Axis | 2,160 mm |
| Y Axis | 762 mm |
| Z Axis | 650 mm |
| Number of Axes | 3 |
| Fourth Axis Ready | Yes |
DN SOLUTIONS DNM 750L/50 II – AXIS TRAVELS / WORK ENVELOPE
| Specification | Value |
|---|---|
| X Travel | 2,160 mm |
| Y Travel | 762 mm |
| Z Travel | 650 mm |
| Maximum Workpiece Height | Approximately 750 mm |
| Maximum Workpiece Weight | 1,800 kg |
DN SOLUTIONS DNM 750L/50 II – TABLE
| Specification | Value |
|---|---|
| Table Size | 2,160 × 760 mm |
| Maximum Table Load | 1,800 kg |
| T-Slots | 18 mm |
| Number of T-Slots | 5 |
DN SOLUTIONS DNM 750L/50 II – SPINDLE
| Specification | Value |
|---|---|
| Spindle Speed | 10,000 RPM |
| Spindle Motor | 22 kW |
| Maximum Torque | 353.2 Nm |
| Tool Taper | ISO 50 |
| Spindle Type | Direct Coupled |
DN SOLUTIONS DNM 750L/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 750L/50 II – CONTROL SYSTEM
| Specification | Value |
|---|---|
| CNC Control | FANUC / Siemens / Heidenhain |
| Programming | ISO Standard G-Code |
| Ethernet | Standard |
| USB Interface | Standard |
DN SOLUTIONS DNM 750L/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 750L/50 II – POWER REQUIREMENTS
| Specification | Value |
|---|---|
| Electrical Supply | 220–480V Three Phase |
| Connected Load | Approximately 45 kVA |
| Air Supply | Required |
DN SOLUTIONS DNM 750L/50 II – DIMENSIONS
| Specification | Value |
|---|---|
| Length | 4,900 mm |
| Width | 3,480 mm |
| Height | 3,370 mm |
| Machine Weight | Approximately 15,300 kg |
DN SOLUTIONS DNM 750L/50 II – GENERAL INFORMATION
| Item | Details |
|---|---|
| Manufacturer | DN Solutions |
| Model | DNM 750L/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 750L/50 II
The DN Solutions DNM 750L/50 II is widely used by manufacturers producing large, heavy, and high-precision components. Aerospace manufacturers machine structural aircraft assemblies, tooling plates, landing gear fixtures, and wing components. Automotive manufacturers produce chassis fixtures, engine blocks, transmission housings, suspension tooling, and production fixtures.
Heavy equipment manufacturers rely on the machine for gearbox housings, hydraulic manifolds, machine frames, construction equipment components, and mining equipment. Mold and die manufacturers machine large mold bases, die plates, and heavy tooling. Energy, oil and gas, defense, industrial equipment, and contract machining companies also utilize the machine to manufacture compressor housings, pump bodies, structural weldments, and oversized precision components requiring long-axis machining.
TYPICAL PARTS DN SOLUTIONS DNM 750L/50 II CAN PRODUCE
The DN Solutions DNM 750L/50 II manufactures a broad range of heavy-duty precision components including gearbox housings, engine blocks, hydraulic manifolds, machine bases, mold plates, structural brackets, valve bodies, compressor housings, robotic frames, transmission cases, tooling plates, and industrial equipment components.
The machine performs heavy milling, drilling, tapping, boring, contour machining, pocket milling, engraving, precision finishing, and aggressive roughing in a single setup. Optional fourth-axis capability further expands machining flexibility for multi-sided components.
Manufacturers commonly produce aerospace tooling, automotive production fixtures, energy equipment, oilfield components, fabricated steel assemblies, pump housings, mining equipment parts, machine frames, custom tooling, and heavy industrial components manufactured from cast iron, stainless steel, carbon steel, titanium, aluminum, brass, bronze, engineering plastics, and specialty alloys.
WHY CHOOSE DN SOLUTIONS DNM 750L/50 II
The DN Solutions DNM 750L/50 II is designed for manufacturers requiring maximum machining capacity, extended travel, and superior cutting performance. Its ISO 50 spindle delivers significantly higher torque than standard ISO 40 machines, enabling faster material removal and greater productivity during heavy-duty machining.
The extended 2,160 mm X-axis travel allows oversized workpieces to be machined in a single setup, reducing setup time and improving overall manufacturing efficiency. The heavy-duty Meehanite cast iron structure minimizes vibration, while precision linear roller guideways ensure smooth movement and outstanding positioning accuracy.
The reliable CNC control provides simple programming, dependable operation, and excellent worldwide support. Optional through-spindle coolant, probing systems, chip conveyors, and fourth-axis capability further increase machining flexibility. Combined with excellent resale value, low maintenance costs, and proven long-term reliability, the DNM 750L/50 II remains one of the most capable heavy-duty long-bed vertical machining centers in the used CNC market.
WHY BUY USED DN SOLUTIONS DNM 750L/50 II
Purchasing a used DN Solutions DNM 750L/50 II allows manufacturers to obtain premium heavy-duty long-bed machining capability while significantly reducing capital investment. Buyers gain access to one of the largest ISO 50 vertical machining centers in the DNM Series at a fraction of the cost of purchasing a comparable new machine.
Used machines are often available immediately, eliminating lengthy factory lead times and allowing manufacturers to increase production capacity quickly. Properly maintained DNM machines continue to provide exceptional machining accuracy, productivity, and dependable operation for many years.
Since most equipment depreciation occurs during the first years of ownership, purchasing used provides outstanding long-term value while preserving capital for tooling, workholding, automation, and inspection equipment. Combined with readily available replacement parts, worldwide service support, and strong resale value, the DNM 750L/50 II remains an excellent investment for manufacturers seeking dependable heavy-duty CNC machining capabilities.
HOW MUCH DOES A USED DN SOLUTIONS DNM 750L/50 II COST?
The value of a used DN Solutions DNM 750L/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 purchasing.
Due to its exceptional machining envelope, high-torque ISO 50 spindle, and excellent production capabilities, the DN Solutions DNM 750L/50 II remains highly sought after in the used CNC machinery market. Depending on machine configuration and condition, a used DN Solutions DNM 750L/50 II typically sells within an estimated price range of $125,000 to $240,000 USD. Premium machines equipped with low spindle hours, probing systems, extensive tooling packages, and advanced options may exceed this range, while older or higher-hour machines may be available at lower prices. A quality used DNM 750L/50 II provides manufacturers with exceptional machining capability, lower ownership costs, and dependable long-term production performance.
