DN SOLUTIONS DNM 750 II
USED DN SOLUTIONS DNM 750 II
The DN Solutions DNM 750 II is a large-frame vertical machining center designed for manufacturers that require maximum work envelope, outstanding rigidity, and reliable high-volume production. Manufactured by DN Solutions, formerly known as Doosan Machine Tools, the DNM Series is recognized globally for delivering precision machining, excellent durability, and exceptional long-term value. The DNM 750 II expands upon the popular DNM platform by providing a significantly larger machining area, making it ideal for oversized components, heavy workpieces, and complex precision parts.
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 table capable of supporting workpieces weighing up to 1,500 kg. Powered by a direct-drive ISO 40 spindle with a maximum speed of 8,000 RPM, the DNM 750 II delivers excellent cutting performance across a wide range of materials including aluminum, carbon steel, stainless steel, cast iron, titanium, brass, bronze, and engineering plastics. Its heavy-duty Meehanite cast iron construction, precision linear roller guideways, and advanced thermal stability provide exceptional accuracy, repeatability, and vibration control even during demanding machining operations.
The DNM 750 II is widely used throughout aerospace, automotive, energy, mold and die, industrial equipment, heavy machinery, medical, defense, and contract manufacturing industries. Equipped with the reliable FANUC CNC control and optional features including through-spindle coolant, Renishaw probing, chip conveyors, fourth-axis compatibility, and automatic tool measurement, the machine offers outstanding flexibility for both prototype development and high-volume production. Purchasing a used DN Solutions DNM 750 II allows manufacturers to obtain premium large-format machining capability at a substantially lower investment than purchasing new equipment while benefiting from proven reliability and strong resale value.
DN SOLUTIONS DNM 750 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 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 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 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 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 II – CONTROL SYSTEM
| Specification | Value |
|---|---|
| CNC Control | FANUC |
| Programming | ISO Standard G-Code |
| Ethernet | Standard |
| USB Interface | Standard |
DN SOLUTIONS DNM 750 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 II – POWER REQUIREMENTS
| Specification | Value |
|---|---|
| Electrical Supply | 220–480V Three Phase |
| Connected Load | Approximately 40 kVA |
| Air Supply | Required |
DN SOLUTIONS DNM 750 II – DIMENSIONS
| Specification | Value |
|---|---|
| Length | 3,850 mm |
| Width | 3,480 mm |
| Height | 3,170 mm |
| Machine Weight | Approximately 13,500 kg |
DN SOLUTIONS DNM 750 II – GENERAL INFORMATION
| Item | Details |
|---|---|
| Manufacturer | DN Solutions |
| Model | DNM 750 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 II
The DN Solutions DNM 750 II is widely used in industries that require machining of large and complex precision components. Aerospace manufacturers use the machine to produce aircraft structural parts, tooling plates, fixtures, and precision brackets. Automotive manufacturers machine transmission housings, engine components, production fixtures, suspension parts, and prototype assemblies.
Heavy equipment manufacturers rely on the DNM 750 II for gearbox housings, hydraulic manifolds, machine frames, structural weldments, and construction equipment components. Mold and die shops manufacture large mold bases, die sets, fixture plates, and precision tooling. The machine is also extensively used in medical equipment manufacturing, defense, energy, oil and gas, robotics, and general contract machining operations where a large machining envelope and excellent precision are required.
TYPICAL PARTS DN SOLUTIONS DNM 750 II CAN PRODUCE
The DN Solutions DNM 750 II produces a wide variety of precision-machined components including gearbox housings, machine bases, 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 in a single setup. Optional fourth-axis capability allows efficient machining of multiple faces while reducing setup times.
Manufacturers commonly produce aerospace tooling, automotive fixtures, heavy equipment parts, medical equipment components, energy sector assemblies, robotic systems, pump housings, custom fabrication tooling, large aluminum plates, and steel assemblies manufactured from aluminum, stainless steel, carbon steel, cast iron, titanium, brass, bronze, engineering plastics, and specialty alloys.
WHY CHOOSE DN SOLUTIONS DNM 750 II
The DN Solutions DNM 750 II combines a large machining envelope with exceptional rigidity, making it ideal for manufacturers producing oversized components while maintaining tight tolerances. The large table and generous axis travels reduce the need for multiple setups, increasing productivity and improving machining efficiency.
The direct-drive spindle delivers smooth cutting performance with reduced vibration, while the heavy-duty Meehanite cast iron construction provides outstanding thermal stability and long-term accuracy. Precision linear roller guideways ensure smooth axis movement, excellent positioning accuracy, and consistent repeatability during extended production cycles.
The reliable FANUC CNC control simplifies programming and machine operation while offering excellent worldwide service support. Optional features including through-spindle coolant, chip conveyors, probing systems, and fourth-axis capability make the DNM 750 II suitable for a wide range of demanding machining applications. Its proven reliability, strong resale value, and low maintenance requirements make it one of the most capable large-format vertical machining centers available on the used CNC market.
WHY BUY USED DN SOLUTIONS DNM 750 II
Purchasing a used DN Solutions DNM 750 II allows manufacturers to acquire premium large-format machining capability while significantly reducing capital investment. Buyers gain access to a heavy-duty production machining center at a fraction of the cost of purchasing a comparable new machine.
Used machines are often available for immediate delivery, allowing manufacturers to avoid lengthy factory lead times and quickly expand production capacity. Properly maintained DNM machines continue to provide outstanding machining accuracy, productivity, and dependable operation for many years.
Since the majority of equipment depreciation occurs during the first years of ownership, purchasing used offers exceptional long-term value while preserving capital for tooling, workholding, automation, and inspection equipment. Combined with worldwide service support, readily available replacement parts, and excellent reliability, the DNM 750 II remains an outstanding investment for manufacturers requiring dependable large-frame vertical machining capabilities.
HOW MUCH DOES A USED DN SOLUTIONS DNM 750 II COST?
The price of a used DN Solutions DNM 750 II depends on factors including 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 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 work envelope, excellent machining performance, and outstanding reliability, the DN Solutions DNM 750 II remains highly desirable in the used CNC machinery market. Depending on machine configuration and condition, a used DN Solutions DNM 750 II typically sells within an estimated price range of $90,000 to $180,000 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 II provides manufacturers with exceptional machining capability, lower ownership costs, and dependable long-term production performance.
