DN SOLUTIONS DNM 650/50 II
USED DN SOLUTIONS DNM 650/50 II
The DN Solutions DNM 650/50 II is a heavy-duty vertical machining center designed for manufacturers requiring exceptional rigidity, precision, and metal removal capability. Manufactured by DN Solutions, formerly known as Doosan Machine Tools, the DNM Series has earned a worldwide reputation for reliability and long-term productivity. The DNM 650/50 II features a powerful ISO 50 spindle, a larger work envelope than standard 40-taper machining centers, and a rigid machine structure capable of handling demanding roughing and finishing operations.
The machine offers 1,270 mm X-axis travel, 670 mm Y-axis travel, 625 mm Z-axis travel, and a large 1,300 × 670 mm worktable capable of supporting workpieces up to 1,000 kg. Its direct-coupled 8,000 RPM spindle delivers high torque for machining cast iron, alloy steels, stainless steel, titanium, and other difficult materials while maintaining excellent surface finishes and dimensional accuracy. Built with a heavy-duty Meehanite cast iron structure and precision linear roller guideways, the DNM 650/50 II provides excellent thermal stability, vibration resistance, and repeatable machining performance.
The machine is widely used throughout aerospace, automotive, heavy equipment, energy, mold and die, oil and gas, defense, industrial equipment, and precision contract machining industries. It efficiently performs milling, drilling, tapping, boring, contouring, and heavy-duty roughing applications while maintaining tight tolerances.
Equipped with reliable FANUC, Siemens, or Heidenhain CNC controls depending on configuration, the DNM 650/50 II offers intuitive programming and dependable operation. Optional features such as through-spindle coolant, probing systems, chip conveyors, fourth-axis rotary tables, and automatic tool measurement further increase machining productivity. Purchasing a used DN Solutions DNM 650/50 II allows manufacturers to acquire premium heavy-duty machining capability at a substantially lower investment than purchasing new equipment while benefiting from proven reliability and excellent long-term value.
DN SOLUTIONS DNM 650/50 II – AXIS
| Specification | Value |
|---|---|
| X Axis | 1,270 mm |
| Y Axis | 670 mm |
| Z Axis | 625 mm |
| Number of Axes | 3 |
| Fourth Axis Ready | Yes |
DN SOLUTIONS DNM 650/50 II – AXIS TRAVELS / WORK ENVELOPE
| Specification | Value |
|---|---|
| X Travel | 1,270 mm |
| Y Travel | 670 mm |
| Z Travel | 625 mm |
| Maximum Workpiece Height | Approximately 700 mm |
| Maximum Workpiece Weight | 1,000 kg |
DN SOLUTIONS DNM 650/50 II – TABLE
| Specification | Value |
|---|---|
| Table Size | 1,300 × 670 mm |
| Maximum Table Load | 1,000 kg |
| T-Slots | 18 mm |
| Number of T-Slots | 5 |
DN SOLUTIONS DNM 650/50 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 650/50 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 650/50 II – CONTROL SYSTEM
| Specification | Value |
|---|---|
| CNC Control | FANUC / Siemens / Heidenhain |
| Programming | ISO Standard G-Code |
| Ethernet | Standard |
| USB Interface | Standard |
DN SOLUTIONS DNM 650/50 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 650/50 II – POWER REQUIREMENTS
| Specification | Value |
|---|---|
| Electrical Supply | 220–480V Three Phase |
| Connected Load | Approximately 40 kVA |
| Air Supply | Required |
DN SOLUTIONS DNM 650/50 II – DIMENSIONS
| Specification | Value |
|---|---|
| Length | 2,740 mm |
| Width | 3,350 mm |
| Height | 3,250 mm |
| Machine Weight | Approximately 9,000 kg |
DN SOLUTIONS DNM 650/50 II – GENERAL INFORMATION
| Item | Details |
|---|---|
| Manufacturer | DN Solutions |
| Model | DNM 650/50 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 650/50 II
The DN Solutions DNM 650/50 II is widely used in industries requiring heavy-duty milling and exceptional machining accuracy. Aerospace manufacturers use the machine to produce structural aircraft components, landing gear parts, tooling plates, and precision fixtures. Automotive manufacturers machine engine blocks, transmission housings, suspension components, production tooling, and large fixture plates.
Heavy equipment manufacturers rely on the machine for gearbox housings, hydraulic manifolds, machine frames, and structural components. Mold and die shops produce injection molds, die sets, stamping tools, and cavity inserts. Oil and gas, energy, defense, mining, industrial equipment, and precision contract machining companies also benefit from the machine’s ability to remove large amounts of material while maintaining tight tolerances.
TYPICAL PARTS DN SOLUTIONS DNM 650/50 II CAN PRODUCE
The DN Solutions DNM 650/50 II is capable of producing a broad range of large precision-machined components including gearbox housings, machine bases, hydraulic manifolds, mold plates, fixture plates, structural brackets, valve bodies, pump housings, transmission cases, tooling plates, and heavy equipment components.
The machine performs milling, drilling, tapping, boring, pocket machining, contour milling, surface finishing, and heavy roughing in a single setup. Optional fourth-axis integration further expands its capabilities for multi-sided machining.
Manufacturers commonly produce aerospace tooling, automotive fixtures, industrial machine components, energy sector equipment, robotic bases, compressor housings, custom production tooling, and heavy fabricated parts from cast iron, stainless steel, carbon steel, titanium, aluminum, brass, bronze, engineering plastics, and specialty alloys.
WHY CHOOSE DN SOLUTIONS DNM 650/50 II
The DN Solutions DNM 650/50 II is designed for manufacturers that require exceptional rigidity, high torque, and dependable machining performance. Its ISO 50 spindle provides significantly greater cutting capability than standard 40-taper machining centers, making it ideal for heavy-duty roughing and machining difficult materials.
The Meehanite cast iron construction minimizes vibration while precision linear roller guideways ensure excellent positioning accuracy and repeatability. The direct-coupled spindle delivers smooth power transmission with reduced maintenance requirements.
The machine’s large work envelope and high table capacity make it suitable for oversized workpieces and demanding production environments. Combined with dependable CNC controls, automation compatibility, strong resale value, and excellent long-term reliability, the DNM 650/50 II remains one of the most capable heavy-duty vertical machining centers available in the used CNC market.
WHY BUY USED DN SOLUTIONS DNM 650/50 II
Purchasing a used DN Solutions DNM 650/50 II provides manufacturers with premium heavy-duty machining capability while significantly reducing capital investment. Buyers gain access to an industrial-grade ISO 50 vertical machining center 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 without delay. Properly maintained DNM machines continue to deliver excellent machining accuracy, rigidity, and dependable performance for many years.
Because the majority of depreciation occurs during the first years of ownership, purchasing used offers excellent long-term value while preserving capital for tooling, workholding, inspection equipment, and automation upgrades. Combined with worldwide service support and readily available replacement parts, the DNM 650/50 II remains a smart investment for heavy-duty precision machining operations.
HOW MUCH DOES A USED DN SOLUTIONS DNM 650/50 II COST?
The value of a used DN Solutions DNM 650/50 II depends on machine age, spindle hours, maintenance history, CNC control, tooling packages, probing systems, spindle configuration, and overall condition. Machines equipped with through-spindle coolant, chip conveyors, fourth-axis rotary tables, probing systems, and extensive tooling packages generally command higher resale values because they are ready for production.
Machines with documented maintenance records and lower operating hours typically provide the best long-term value by reducing refurbishment costs and minimizing downtime. Buyers should carefully inspect spindle condition, guideway wear, ballscrew accuracy, lubrication systems, automatic tool changer performance, and CNC diagnostics before purchasing.
Due to its outstanding reputation for rigidity, machining performance, and long-term reliability, the DN Solutions DNM 650/50 II remains in strong demand across the used CNC machinery market. Depending on machine configuration and condition, a used DN Solutions DNM 650/50 II typically sells within an estimated price range of $85,000 to $180,000 USD. Premium machines equipped with probing systems, extensive tooling, low spindle hours, and advanced options may exceed this range, while older or higher-hour machines may be available at lower prices. The DNM 650/50 II continues to be an excellent investment for manufacturers seeking powerful, dependable, and versatile vertical machining capabilities.
