DN SOLUTIONS DNM 750 L II
USED DN SOLUTIONS DNM 750 L II
The DN Solutions DNM 750 L II is a large-format vertical machining center engineered for manufacturers that require extended X-axis travel, exceptional rigidity, and high production efficiency. Manufactured by DN Solutions, formerly known as Doosan Machine Tools, the DNM Series has earned a worldwide reputation for precision, durability, and dependable machining performance. The DNM 750 L II is the long-bed version of the DNM 750 II, offering significantly greater machining travel for oversized workpieces while maintaining the same outstanding cutting performance and reliability.
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. Powered by a direct-drive ISO 40 spindle operating at 8,000 RPM, the DNM 750 L II delivers excellent cutting performance for aluminum, stainless steel, carbon steel, cast iron, titanium, brass, bronze, engineering plastics, and specialty alloys. Its Meehanite cast iron construction, precision linear roller guideways, and advanced thermal compensation system provide outstanding rigidity, stability, and machining accuracy even during demanding production cycles.
The DNM 750 L II is widely used throughout aerospace, automotive, heavy equipment, mold and die, energy, industrial equipment, defense, robotics, and precision contract machining industries. It is ideal for milling, drilling, tapping, boring, contour machining, and precision finishing of long or oversized components. Equipped with a reliable FANUC CNC control and optional features such as through-spindle coolant, probing systems, chip conveyors, fourth-axis capability, and automatic tool measurement, the machine offers exceptional versatility. Purchasing a used DN Solutions DNM 750 L II provides manufacturers with premium large-format machining capability at a substantially lower investment than purchasing new equipment while benefiting from proven reliability and excellent long-term value.
DN SOLUTIONS DNM 750 L 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 750 L 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 750 L 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 750 L II – SPINDLE
| Specification | Value |
|---|---|
| Spindle Speed | 8,000 RPM |
| Spindle Motor | 18.5 kW |
| Maximum Torque | 118 Nm |
| Tool Taper | CAT 40 / BT40 |
| Spindle Type | Direct Drive |
DN SOLUTIONS DNM 750 L II – TOOL CHANGER
| Specification | Value |
|---|---|
| Tool Capacity | 30 Tools (40 or 60 Optional) |
| Tool Changer Type | Twin Arm ATC |
| Maximum Tool Diameter | 80 mm |
| Maximum Tool Length | 300 mm |
| Maximum Tool Weight | 8 kg |
DN SOLUTIONS DNM 750 L II – CONTROL SYSTEM
| Specification | Value |
|---|---|
| CNC Control | FANUC |
| Programming | ISO Standard G-Code |
| Ethernet | Standard |
| USB Interface | Standard |
DN SOLUTIONS DNM 750 L 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 L II – POWER REQUIREMENTS
| Specification | Value |
|---|---|
| Electrical Supply | 220–480V Three Phase |
| Connected Load | Approximately 40 kVA |
| Air Supply | Required |
DN SOLUTIONS DNM 750 L II – DIMENSIONS
| Specification | Value |
|---|---|
| Length | 4,900 mm |
| Width | 3,480 mm |
| Height | 3,170 mm |
| Machine Weight | Approximately 15,000 kg |
DN SOLUTIONS DNM 750 L II – GENERAL INFORMATION
| Item | Details |
|---|---|
| Manufacturer | DN Solutions |
| Model | DNM 750 L II |
| Machine Type | Vertical Machining Center |
| Construction | Meehanite Cast Iron |
| Tool Taper | CAT 40 / BT40 |
| Tool Capacity | 30 Tools |
| Automatic Tool Changer | Yes |
| Fourth Axis Ready | Yes |
| Automation Ready | Yes |
INDUSTRIES THAT USE DN SOLUTIONS DNM 750 L II
The DN Solutions DNM 750 L II is widely used in industries requiring precision machining of large and long workpieces. Aerospace manufacturers machine aircraft structural components, wing fixtures, tooling plates, and large precision assemblies. Automotive manufacturers produce chassis fixtures, transmission housings, engine components, suspension tooling, and prototype assemblies.
Heavy equipment manufacturers rely on the machine for gearbox housings, hydraulic manifolds, machine frames, structural weldments, and construction equipment components. Mold and die manufacturers use the DNM 750 L II for large mold bases, die plates, fixture plates, and tooling inserts. It is also extensively used in energy, oil and gas, robotics, industrial equipment, defense, and precision contract machining operations where extended X-axis travel is essential.
TYPICAL PARTS DN SOLUTIONS DNM 750 L II CAN PRODUCE
The DN Solutions DNM 750 L II produces a wide variety of precision-machined components including machine bases, gearbox housings, hydraulic manifolds, mold bases, fixture plates, structural brackets, transmission cases, valve bodies, robotic frames, compressor housings, aluminum tooling plates, and industrial equipment components.
The machine performs milling, drilling, tapping, boring, contour machining, pocket milling, engraving, and precision finishing within a single setup. Optional fourth-axis capability enables efficient machining of multiple faces while reducing setup time.
Manufacturers commonly produce aerospace tooling, automotive production fixtures, heavy equipment components, medical equipment frames, energy sector assemblies, robotic systems, pump housings, large fabricated steel structures, aluminum plates, and custom production tooling manufactured from aluminum, stainless steel, carbon steel, cast iron, titanium, brass, bronze, engineering plastics, and specialty alloys.
WHY CHOOSE DN SOLUTIONS DNM 750 L II
The DN Solutions DNM 750 L II provides manufacturers with one of the largest machining envelopes in the DNM Series while maintaining outstanding rigidity, accuracy, and productivity. Its extended X-axis travel allows long workpieces to be machined in a single setup, reducing production time and improving overall efficiency.
The direct-drive spindle delivers smooth cutting performance with minimal vibration, while the heavy-duty Meehanite cast iron structure provides exceptional thermal stability and long-term machining accuracy. Precision linear roller guideways ensure smooth axis movement and excellent repeatability throughout demanding production cycles.
The FANUC CNC control offers simple programming, dependable operation, and worldwide support. Optional through-spindle coolant, chip conveyors, probing systems, and fourth-axis capability further enhance machining flexibility. Combined with excellent resale value, low maintenance costs, and proven reliability, the DNM 750 L II remains one of the most capable large-format vertical machining centers available in the used CNC market.
WHY BUY USED DN SOLUTIONS DNM 750 L II
Purchasing a used DN Solutions DNM 750 L II allows manufacturers to obtain premium long-bed machining capability while significantly reducing capital investment. Buyers gain access to a heavy-duty machining center designed for oversized components at a fraction of the cost of purchasing a comparable new machine.
Used machines are often available for immediate delivery, allowing manufacturers to avoid long factory lead times and quickly expand production capacity. Properly maintained DNM machines continue to deliver exceptional machining accuracy, reliability, and productivity for many years.
Because the largest depreciation occurs during the first years of ownership, purchasing used offers 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 750 L II remains an excellent investment for manufacturers seeking dependable large-format CNC machining capabilities.
HOW MUCH DOES A USED DN SOLUTIONS DNM 750 L II COST?
The value of a used DN Solutions DNM 750 L 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 ready for immediate production.
Machines with documented maintenance records 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 large machining envelope, high table capacity, and excellent production capabilities, the DN Solutions DNM 750 L II remains highly sought after in the used CNC machinery market. Depending on machine configuration and condition, a used DN Solutions DNM 750 L II typically sells within an estimated price range of $110,000 to $220,000 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 750 L II provides manufacturers with outstanding machining capability, lower ownership costs, and dependable long-term production performance.
