DN Solutions DNM Series 4th Generation Vertical Machining Centers: Global Standard CNC Mills

Ellison Technologies is the proud distributor of DN Solutions.

DN Solutions DMN II Series offers high productivity and high efficiency in a compact package. Utilizing roller LM guides to enhance rigidity and extend the machine's life, the DMN II produces precise parts in less space than the traditional vertical mill. Equipped standard with a 2-face locking tool system, a thermal displacement compensation system, a redesigned, user-friendly operator panel, and a direct-coupled spindle that is available in multiple specifications, the DMM II provides high cutting capacity with minimal noise and down-time.

DN Solutions fast, accurate vertical mills combined with Ellison Technologies' proven service ability and engineering support ensure that the machine is tailored to fit your business needs.

Learn more about the entire DNM Series

DN Solutions Vertical Mill Machines are used by a variety of Industries:

Aerospace - airline hydraulic cylinder, seat components, secondary operations on many parts, throttle bodies
Power Generation/Green Energy - gasoline fuel valve body, gears for wind power
Military / Defense-firearm grips and sights, molds, gun components
Automotive/Railway - auto engine fuel pump body, suspension, a-arms, suspension parts, brake components
Medical - molds, mold cavities, and cores
Agriculture - farm equipment valve body, hubs, weldments, hydraulic components, tractor hydraulic pump body, and more

What Are DNM Series 4th Generation Vertical Machining Centers?

The DN Solutions DNM Series 4th Generation represents the latest evolution in precision vertical machining technology, with over 30,000 machines installed globally. These CNC mills feature enhanced productivity through improved thermal displacement compensation (2x improvement on X/Y axes), standard ATC shutters preventing chip contamination, and 15-inch iHMI touchscreens for intuitive operation.

4th Generation Key Enhancements:

Improved thermal stability: 2x better thermal displacement control on X/Y axes, 1.3x on Z-axis
Enhanced productivity: Rapid traverse rates up to 42 m/min (1,653 IPM) on 4500/5700 models
Eco-friendly operation: Standard grease lubrication reducing maintenance costs by 60%
Advanced cooling: 20% larger coolant tank capacity and programmable flood coolant

The series spans three models: DNM 4500 (31.5" × 17.7" × 20.1" travels), DNM 5700 (41.3" × 22.4" × 20.1" travels), and DNM 6700 (51.2" × 26.4" × 24.6" travels), accommodating workpieces from 600kg to 1,300kg capacity.

Why Choose DNM 4th Generation Over Previous Models and Competitors?

Productivity Improvements Over Previous Generations: The 4th generation DNM delivers measurable productivity gains through engineering enhancements. Non-cutting time reduced by 13.1% and total cycle time decreased by 7.3% compared to previous models. Tool change times improved to 1.2 seconds tool-to-tool, while chip-to-chip operations complete in 4.1 seconds with standard ATC shutters.

Thermal Stability Advantages: Advanced thermal displacement compensation maintains ±0.0002" accuracy during extended production runs. The 4th generation achieves 2x improvement in X/Y thermal displacement and 1.3x improvement on Z-axis compared to previous models, critical for aerospace tolerances and medical device specifications.

Cost-Effective Precision Manufacturing: DNM Series delivers Japanese-quality construction at Korean pricing, typically 30-40% below equivalent European alternatives. Standard grease lubrication reduces yearly maintenance costs by up to 60% compared to oil-based systems, while eliminating oil skimmer requirements and environmental contamination.

Competitive Standard Equipment Value: Features standard on DNM machines often cost $15,000-$30,000 extra on competitive brands: through-spindle coolant (290 PSI), thermal compensation, spindle chiller, dual chip augers, and Renishaw probe preparation represent significant total cost advantages.

When Should Manufacturers Select Specific DNM Models?

DNM 4500: Compact High-Precision Applications Ideal for job shops requiring versatility in limited floor space. The 31.5" × 17.7" work envelope handles typical aerospace brackets, medical housings, and automotive components. High-speed 15,000 RPM option excels at aluminum machining and finish operations on hardened materials.

DNM 5700: Maximum Processing Capacity in Class Best choice for manufacturers requiring the largest work envelope within standard machine footprint. The 41.3" × 22.4" capacity accommodates engine blocks, large molds, and structural aerospace components while maintaining precision through advanced thermal compensation.

DNM 6700: Heavy-Duty Large Component Manufacturing Designed for manufacturers machining large, heavy workpieces requiring extended Z-axis travel. The 51.2" × 26.4" × 24.6" envelope with 1,300kg table capacity serves heavy mold work, large automotive castings, and energy sector components.

Multi-Material Manufacturing Requirements: All DNM models handle diverse materials effectively: standard 290 PSI through-spindle coolant manages aluminum, titanium, Inconel, and hardened steels. Spindle torque ranges from 117.8 N⋅m (standard) to 286 N⋅m (high-torque variant) accommodate both heavy roughing and precision finishing operations.

Advanced Technology Features and Automation Integration

BIGPLUS Spindle Interface Technology: The BIGPLUS spindle system provides enhanced rigidity through dual-contact face and taper design, eliminating tool pull-out under heavy cutting loads. This technology delivers improved surface finishes and extended tool life compared to standard CAT 40 interfaces, particularly beneficial for interrupted cuts and high-feed operations.

Easy Operation Package (EOP) Software: DN Solutions' proprietary EOP includes adaptive feed control maintaining constant spindle load, tool management with condition monitoring, ATC recovery guidance, and spindle warm-up assistance. The upgraded 4th generation interface adds bookmarks and direct operation buttons for enhanced productivity.

Automation-Ready Design: All DNM models include standard robot interface preparation and automatic door systems enabling seamless lights-out manufacturing integration. Compatible with Doosan collaborative robots and third-party automation systems without custom engineering requirements.

Environmental and Energy Efficiency: Fourth generation improvements include high-efficiency coolant pumps reducing energy consumption (FLOOD: 1.8→1.1kW), chip conveyors with inverter speed optimization, and power consumption monitoring for sustainable manufacturing compliance.

FAQ Section

Q: What's new in DNM 4th Generation compared to previous models? A: Key improvements include 2x better thermal displacement compensation, 13.1% reduction in non-cutting time, standard ATC shutters, 20% larger coolant tanks, and enhanced 15" iHMI touchscreen interface.

Q: How accurate are DNM 4th Generation machines? A: DNM 4th Generation maintains ±0.0002" positioning accuracy with enhanced thermal compensation providing 2x improvement on X/Y axes and 1.3x improvement on Z-axis.

Q: What spindle options are available across DNM 4th Generation models? A: Standard 8,000 RPM with 18.5kW power, optional 12,000 RPM and 15,000 RPM variants. High-torque 8,000 RPM option provides 286 N⋅m for heavy-duty applications.

Q: Do DNM 4th Generation machines support Industry 4.0 integration? A: Yes, standard features include power consumption monitoring, FANUC MTConnect compatibility, USB/Ethernet connectivity, and robot interface preparation for automated manufacturing.

Engineering Services

Applications engineers help with your manufacturing processes
Improved spindle operations & optimization of the set-up process
Preventative machine maintenance
Single-source turnkey project implementation

Turnkey Solutions

Process development and prove out
Advanced engineering solutions take you from concept to finished products
Be in full production starting on the day of system acceptance
Part programming and system runoff

Training

Operator Training - On-site and off-site
CNC Programming

Financing

In-house customized financing services for investment leasing

Automation

Certified project management
Factory layout
Concept engineering
Audit performance of existing equipment
Robotic simulation
Robot preventive maintenance
Offline programming
Your one source for turnkey application & robotic integration

DN Solutions (formerly Doosan Machine Tools) Parts Department

Our parts team will help you pinpoint the parts you need while quickly providing pricing and lead-time.

2 Year Limited Warranty

2-year warranty on machine parts
2-year FANUC warranty
1-year labor warranty

About Ellison Technologies

To equip American manufacturers to compete and win, both locally and globally

Our mission is to equip manufacturers to compete and win, both locally and globally. We are committed to the survival and growth of the manufacturing industry. Today our customers face unprecedented competitive pressures to dramatically improve productivity and reduce costs. We understand that for our customers to be successful it's not just about the machines.

Our goal is to optimize throughput and quality at the lowest per-part manufacturing cost regardless of the solution involves a stand-alone machine, multi-process equipment, or an integrated manufacturing system with robotic automation.

With an extensive support staff of over 300 employees and 16 operations across the USA, Ellison Technologies is the largest machine tool distributor in North America.

Our team specializes in equipment, automation, and project management. They are dedicated to helping you get the most from your technology investments.

Our staff - sales, service, and engineers - works together to offer the best solutions for your business through the integration of manufacturing technologies. Check out our website to view our product offerings, videos, case studies, and more information about the machines featured in our comprehensive product line and manufacturing solutions.

Contact Us!