USED DN SOLUTIONS DBC 250L II

The DN Solutions DBC 250L II is an advanced long-bed horizontal boring mill developed for machining extremely large, heavy, and high-precision components used in the world’s most demanding industries. Manufactured by DN Solutions (formerly Doosan Machine Tools), the DBC 250L II combines a massive machining envelope with a high-speed 250 mm quill spindle, making it ideal for precision milling, boring, drilling, and heavy-duty machining operations. The machine incorporates an enhanced spindle head design, improved thermal stability, and a highly rigid machine structure that delivers exceptional accuracy even during extended machining cycles. It is designed for manufacturers requiring superior performance when machining oversized castings, fabricated structures, turbine components, and heavy industrial assemblies.

The DBC 250L II features 4,000 mm X-axis travel, 2,500 mm Y-axis travel, 2,000 mm Z-axis travel, and a 500 mm W-axis quill travel, providing one of the largest work envelopes in the DBC Series. Its 250 mm quill spindle operates at speeds up to 6,000 RPM and is powered by a 30 kW spindle motor, allowing both high-speed precision machining and heavy-duty metal removal. The 1,600 × 1,800 mm CNC rotary table supports workpieces weighing up to 15,000 kg, making it suitable for machining massive industrial components. The machine utilizes a low-profile cast iron structure, precision guideways, advanced spindle cooling technology, and optimized bearing lubrication to minimize vibration and maintain excellent machining accuracy during long production runs.

The DBC 250L II is widely used in aerospace, power generation, mining, shipbuilding, oil and gas, heavy equipment manufacturing, energy, steel production, mold and die, and industrial machinery industries. Available with FANUC or Heidenhain CNC controls and optional angle heads, probing systems, automatic pallet changers, through-spindle coolant, and expanded tool magazines, the machine offers outstanding flexibility and productivity. Purchasing a used DN Solutions DBC 250L II enables manufacturers to obtain one of the industry’s most capable large-capacity horizontal boring mills while significantly reducing capital investment compared to purchasing a new machine.

DN SOLUTIONS DBC 250L II – AXIS

DN SOLUTIONS DBC 250L II – AXIS TRAVELS / WORK ENVELOPE

DN SOLUTIONS DBC 250L II – TABLE

DN SOLUTIONS DBC 250L II – SPINDLE

DN SOLUTIONS DBC 250L II – TOOL CHANGER

DN SOLUTIONS DBC 250L II – CONTROL SYSTEM

DN SOLUTIONS DBC 250L II – COOLANT / CHIP MANAGEMENT

DN SOLUTIONS DBC 250L II – POWER REQUIREMENTS

DN SOLUTIONS DBC 250L II – DIMENSIONS

DN SOLUTIONS DBC 250L II – GENERAL INFORMATION

INDUSTRIES THAT USE DN SOLUTIONS DBC 250L II

The DN Solutions DBC 250L II is widely used in industries requiring precision machining of exceptionally large and heavy components. Aerospace manufacturers produce aircraft tooling, structural assemblies, and precision fixtures. Energy companies machine turbine casings, generator frames, and power generation equipment. Mining manufacturers produce crusher frames, gearbox housings, and heavy structural components.

The machine is also widely used in oil and gas, shipbuilding, industrial machinery, steel fabrication, mold and die manufacturing, defense, and precision contract machining. Its large machining envelope and high-capacity rotary table make it ideal for oversized fabricated structures, large castings, and complex multi-sided components requiring exceptional rigidity and accuracy.

TYPICAL PARTS DN SOLUTIONS DBC 250L II CAN PRODUCE

The DN Solutions DBC 250L II manufactures turbine housings, gearbox housings, machine bases, compressor housings, pump bodies, valve bodies, engine blocks, hydraulic manifolds, mining equipment, structural weldments, mold bases, steel fabrications, and heavy industrial frames.

The machine performs heavy milling, boring, drilling, tapping, contour machining, facing, and precision hole machining within a single setup. Its rotary table enables efficient machining on multiple faces while minimizing setup time.

Manufacturers commonly machine cast iron, carbon steel, alloy steel, stainless steel, aluminum, titanium, and specialty alloys used throughout aerospace, marine, mining, energy, and industrial manufacturing.

WHY CHOOSE DN SOLUTIONS DBC 250L II

The DN Solutions DBC 250L II combines high-speed precision machining with exceptional heavy-duty performance. Its large 250 mm quill spindle delivers excellent rigidity while providing smooth, accurate machining of large components. The long-travel machine design allows oversized workpieces to be machined with fewer setups, improving productivity and dimensional accuracy.

The reinforced cast iron construction minimizes vibration while maintaining excellent thermal stability during extended machining operations. Advanced spindle cooling, precision guideways, and modern CNC controls ensure consistent machining accuracy and repeatability.

Available with FANUC or Heidenhain controls, optional angle heads, probing systems, pallet changers, and expanded tool magazines, the DBC 250L II can be configured for a wide variety of heavy industrial applications. Its proven reliability, low operating costs, and excellent resale value make it one of the industry’s premier horizontal boring mills.

WHY BUY USED DN SOLUTIONS DBC 250L II

Purchasing a used DN Solutions DBC 250L II provides manufacturers with one of the largest and most capable horizontal boring mills available while significantly reducing capital investment. Buyers benefit from premium machining capabilities without the expense associated with purchasing a comparable new machine.

Used DBC 250L II machines are often available for immediate delivery, helping manufacturers avoid lengthy production lead times while expanding machining capacity quickly. Properly maintained machines continue to deliver outstanding machining accuracy, reliability, and productivity for many years.

Because most machine depreciation occurs during the first years of ownership, purchasing used provides excellent long-term value while preserving capital for tooling, fixtures, automation systems, and inspection equipment. Combined with worldwide parts availability and strong technical support, the DBC 250L II remains an outstanding investment for heavy manufacturing operations.

HOW MUCH DOES A USED DN SOLUTIONS DBC 250L II COST?

The price of a used DN Solutions DBC 250L II depends on machine age, operating hours, maintenance history, spindle condition, CNC control, tooling packages, automatic tool changer capacity, rotary table configuration, and installed accessories. Machines equipped with angle heads, probing systems, pallet changers, through-spindle coolant, and larger tool magazines generally command higher resale values.

Buyers should inspect spindle accuracy, quill condition, guideway wear, lubrication systems, CNC diagnostics, rotary table accuracy, and documented maintenance records before purchasing. Machines with lower operating hours and complete service histories generally provide the best long-term value.

Due to its enormous machining capacity, 250 mm quill spindle, long-axis travels, and outstanding heavy-duty machining performance, the DN Solutions DBC 250L II remains one of the most desirable horizontal boring mills in the global used CNC market. Depending on machine age, condition, configuration, and installed options, a used DN Solutions DBC 250L II typically sells within an estimated price range of $650,000 to $1,400,000 USD. Premium machines equipped with low operating hours, expanded tool magazines, probing systems, automation packages, and extensive accessories may exceed this range, while older or higher-hour machines may be available at lower prices. A quality used DBC 250L II delivers exceptional machining capability, lower ownership costs, and dependable long-term production performance.