DVF Series

Improve speed and flexibility with the 5-axis DVF Series The DVF Series is the newest line of 5-axis machining centers from DN Solutions (formerly Doosan Machine Tools). Built with cutting-edge technology, ergonomic accessibility, and an automation-ready framework, the DVF delivers excellent performance. The DVF features a combined pivoting and rotary table to provide optimum access to all 5 axis, while maintaining rigid spindle support for reduced vibration.

DVF 4000

Rotary Table Diameter: 400 mm
Spindle Taper: CAT 40
Spindle RPM: 15,000

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DVF 5000

Rotary Table Diameter: 500 mm
Spindle Taper: CAT 40
Spindle RPM: 18,000 RPM

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DVF 6500

Rotary Table Diameter: 650 mm
Spindle Taper: CAT 40
Spindle RPM: 18,000 RPM

View DVF 6500
DVF 6500T

Rotary Table Diameter: 800 mm
Spindle Taper: CAT 40
Spindle RPM: 18,000 RPM

View DVF 6500T

DVF 6500 5-Axis Vertical Machining Center for High-Precision Complex Parts

The DVF 6500 is a DN Solutions premium simultaneous 5-axis vertical machining center built on a traveling column design for high-precision work on complex parts. It carries an 18,000 RPM spindle rated to 22 kW (29.5 hp) and 118 Nm of torque, a 1,000 kg table load capacity, and simultaneous X/Y/Z/A/C-axis control for full-contour machining in a single setup. Absolute linear glass scales on X, Y, and Z and absolute rotary encoders on A and C hold positioning accuracy to 0.008 mm and repeatability to 0.005 mm through long production runs. Ellison Technologies, the largest DN Solutions distributor in North America, supplies the DVF 6500 as part of its full 5-axis lineup within its broader machining centers offering, for shops moving up from 3-axis or 3+2 work.

Aerospace and Energy Turbine Components

Turbine housings, brackets, and other multi-angle aerospace and energy components need a machine that holds tight tolerances across compound curves without repositioning the part. The DVF 6500's simultaneous 5-axis control and 118 Nm of spindle torque handle deep-pocket milling and contoured surfaces on titanium and high-temperature alloys in one setup, while Z-axis thermal compensation keeps dimensions stable through the longer cycle times these parts require. Shops supplying aerospace and energy manufacturers use the machine's 840 mm max workpiece diameter to run larger structural components that would otherwise need a second operation on a bigger machine.

Medical Implants and Precision Surgical Components

Orthopedic implants and surgical instruments demand sub-0.01 mm accuracy and clean surface finishes straight off the machine, with no room for the stack-up error that comes from multiple fixturing setups. The DVF 6500's 0.008 mm positioning accuracy and 0.005 mm repeatability, combined with absolute glass scales that resist drift over a production run, let medical device manufacturers machine implant geometries in one operation instead of splitting the job across a 3-axis mill and a separate finishing pass.

Semiconductor and Mold/Die Components

Semiconductor process components and mold or die tooling both require complex 3D surfaces machined to tight finish specs, often in hardened or exotic materials that test spindle rigidity. The DVF 6500's 18,000 RPM spindle and oversized roller guideways keep deflection low on finishing passes, and the 60-tool double-arm ATC, expandable to 120 tools, keeps a full range of roughing and finishing tools on hand for semiconductor component runs and mold core work without a mid-job tool change stop.

Power, Speed, and Stability in One Platform

The DVF 6500 is powered by an 18,000 RPM spindle with 22 kW of output and 118 N·m of torque. It features ball screw shaft cooling, Z-axis thermal compensation, and oversized roller guideways to minimize deflection during aggressive cuts. The A-axis travels ±120° and the C-axis offers full 360° rotation, enabling precise tool orientation at any angle. The high-speed motion system delivers rapid traverse rates of 45 m/min on X/Y/Z and rotary feeds up to 7,200 deg/min — all supported by intelligent compensation systems that ensure accuracy even during prolonged high-speed machining.

Intelligent Thermal and Motion Control for Long-Run Accuracy

Advanced accuracy features include absolute linear glass scales on XYZ axes and absolute rotary encoders on A and C axes. Z-axis thermal sensors feed into proprietary software that compensates for heat-induced distortion. The result is consistent micron-level accuracy across long cycles. The base casting is a single Meehanite iron structure for vibration dampening, and the dual roller gear cams on A/C axes provide superior rigidity under heavy tool loads.

Automation and Tool Management for Unattended Machining

The DVF 6500 includes a servo-driven double-arm ATC with options for 60 or 120 tools. It supports CAT40 and HSK63 tool interfaces and allows maximum tool lengths of 300 mm and tool weights up to 8 kg. The machine is fully Renishaw probe ready with laser tool setting, spindle probing, and automatic calibration via Intelligent Kinematic Compensation (IKC). Optional integration with hydraulic fixturing and multi-axis part clamping makes it automation-ready for lights-out manufacturing.

Clean Operation, Coolant Management, and Chip Control

For extended unattended production, the DVF 6500 includes through-spindle coolant, air-blow systems, flushing nozzles, and a 172-gallon (650L) flood coolant tank with chip conveyor and mist collector. The system is designed to maintain clean cutting conditions and thermal balance even during high-volume chip generation. Optional high-pressure coolant systems and external filtration are available for fine-particulate or exotic material applications.

FAQ Section

What sets the DVF 6500 apart from other 5-axis machining centers?

The DVF 6500 combines high-speed 5-axis cutting with massive workpiece capacity and advanced motion control. Its 1,000 kg table load, integrated thermal compensation, and dual-roller gear cam rotary drives give it superior performance for long-run, high-precision parts. Whether machining titanium aerospace brackets or injection molds, it offers a rigid and responsive cutting platform designed for accuracy and uptime.

Can the DVF 6500 be automated for lights-out machining?

Yes. The DVF 6500 is fully prepared for automation with hydraulic fixture prep, Renishaw probing systems, and optional high-capacity ATCs. Its closed-loop feedback with Intelligent Kinematic Compensation allows for autonomous calibration and tool monitoring. This makes it ideal for unattended production environments requiring reliability and repeatability over long cycles.

What types of parts is the DVF 6500 best suited for?

It excels in machining complex 3D components that demand multiple angles, tight tolerances, and exceptional surface finishes. This includes turbine housings, orthopedic implants, semiconductor parts, and mold cores. Its table diameter (650 mm) and vertical clearance (500 mm height) allow it to handle both wide and tall parts without repositioning.

How accurate is the DVF 6500 during long machining cycles?

The DVF 6500 uses Z-axis thermal compensation, ball screw shaft cooling, and absolute encoder feedback to maintain ±0.008 mm positioning accuracy and ±0.005 mm repeatability. Its proprietary compensation algorithms ensure consistent tolerances during long machining runs. This level of control is critical for shops producing high-value parts where rework or scrap is not acceptable.

What tool changer options are available?

You can choose from a 60-tool or 120-tool automatic tool changer. Both use a servo-driven, double-arm mechanism and support CAT40 or HSK63 holders. The ATC system accommodates tools up to 300 mm long and 8 kg in weight, and features random-access selection for faster cycle times. This flexibility allows operators to handle both heavy-duty roughing tools and small finishing tools without sacrificing productivity.

The DVF Series offers robust 5-axis machining solutions designed to meet the highest standards of accuracy and versatility. These machines are built to tackle intricate and complex parts with ease.

DVF 4000: Compact, high-speed 5-axis machining, perfect for tight spaces without compromising on precision.
DVF 5000: Mid-range versatility with precision 5-axis capabilities for intricate parts.
DVF 6500: Designed for larger, more complex workpieces, offering enhanced stability.
DVF 8000T: A more advanced configuration of the DVF 8000 with additional features to boost productivity and flexibility.

Expanded Benefits

Simultaneous 5-Axis Machining: Handles complex geometries in one setup for faster, more efficient machining.
Powerful Spindle Options: Deliver higher torque and greater precision for demanding applications.
Unparalleled Flexibility: Ideal for aerospace, medical, and automotive applications requiring high complexity and precision.