USED DOOSAN DNM 350/5AX – 2021

The Doosan DNM 350/5AX – 2021 is a next-generation 5-axis vertical machining center engineered to provide manufacturers with advanced multi-axis machining capabilities, outstanding precision, and exceptional production efficiency. Developed by Doosan Machine Tools, now known as DN Solutions, the DNM 350/5AX was specifically designed to bridge the gap between traditional 3-axis machining and full simultaneous 5-axis manufacturing. The machine combines a compact footprint with powerful machining performance, making it an ideal solution for shops seeking to increase productivity while maintaining superior part quality.

The DNM 350/5AX features an integrated trunnion-style rotary table that enables simultaneous movement across five axes, allowing complex components to be machined in a single setup. By reducing the need for multiple fixtures and repeated setups, manufacturers can significantly improve accuracy, shorten cycle times, and increase overall throughput. This capability is especially valuable in industries where complex geometries and tight tolerances are critical.

Built with a rigid cast iron structure and high-speed spindle technology, the machine delivers excellent performance across a wide range of materials including aluminum, stainless steel, tool steel, titanium, brass, copper, and engineering plastics. The direct-drive spindle and advanced servo systems provide smooth cutting performance, excellent surface finishes, and outstanding positional accuracy. Whether producing prototypes, small-batch production runs, or high-volume precision components, the DNM 350/5AX offers the flexibility needed for modern manufacturing environments.

The machine is commonly used in aerospace, medical, automotive, defense, electronics, and precision engineering industries. Manufacturers benefit from its ability to produce complex parts such as impellers, medical implants, aerospace brackets, mold components, and multi-sided precision components with minimal manual intervention. The integrated 5-axis functionality also reduces secondary operations and improves overall manufacturing efficiency.

The used market for the 2021 Doosan DNM 350/5AX remains extremely strong due to its modern design, advanced control technology, and excellent reputation for reliability. Manufacturers looking to expand their 5-axis machining capabilities can often acquire a used DNM 350/5AX at a substantial savings compared to purchasing a new machine while still gaining access to current-generation manufacturing technology. For shops seeking a productive, versatile, and cost-effective 5-axis solution, the Doosan DNM 350/5AX continues to be one of the most attractive options available in the used CNC machine market.

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DOOSAN DNM 350/5AX – AXIS

Specification	Value
Number of Axes	5 Axis
Axis Configuration	X, Y, Z, B, C
Simultaneous Machining	Full 5-Axis
Machine Design	Trunnion Style
Rapid Traverse Rate	Up to 1,890 IPM

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DOOSAN DNM 350/5AX – AXIS TRAVELS / WORK ENVELOPE

Specification	Value
X-Axis Travel	25.6 in
Y-Axis Travel	17.7 in
Z-Axis Travel	18.1 in
B-Axis Travel	±120°
C-Axis Travel	360° Continuous
Maximum Workpiece Diameter	16.5 in
Maximum Workpiece Height	13.8 in

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DOOSAN DNM 350/5AX – CAPACITY / TABLE

Specification	Value
Table Diameter	13.8 in
Maximum Table Load	220 lbs
Table Type	Integrated Rotary Tilting Table
Table Surface	Precision Ground
Positioning Accuracy	High Precision Rotary Axes

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DOOSAN DNM 350/5AX – SPINDLE

Specification	Value
Spindle Type	Direct Drive
Maximum Spindle Speed	20,000 RPM
Spindle Taper	BIG PLUS CAT40
Spindle Power	Approx. 25 HP
Maximum Torque	Approx. 118 Nm
Cooling System	Oil-Cooled Spindle

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DOOSAN DNM 350/5AX – TOOL CHANGER

Specification	Value
Tool Capacity	30 Tools
Tool Changer Type	Automatic Tool Changer
Maximum Tool Diameter	3.1 in
Maximum Tool Length	11.8 in
Maximum Tool Weight	17.6 lbs
Tool-to-Tool Time	Approx. 1.5 Seconds

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DOOSAN DNM 350/5AX – CONTROL SYSTEM

Specification	Value
CNC Control	Fanuc 31i-B5 Plus
Programming Capability	ISO G-Code
Simultaneous 5-Axis Control	Standard
Network Connectivity	Ethernet
USB Interface	Standard

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DOOSAN DNM 350/5AX – COOLANT / DUST / WATER MANAGEMENT

Specification	Value
Coolant System	Flood Coolant
Through Spindle Coolant	Optional
Coolant Filtration	Integrated
Chip Removal	Chip Conveyor Ready
Coolant Tank Capacity	High Capacity

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DOOSAN DNM 350/5AX – POWER REQUIREMENTS

Specification	Value
Electrical Supply	220V / 400V
Phase	3 Phase
Frequency	50/60 Hz
Connected Load	Approx. 35 kVA

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DOOSAN DNM 350/5AX – DIMENSIONS

Specification	Value
Machine Length	Approx. 110 in
Machine Width	Approx. 95 in
Machine Height	Approx. 110 in
Machine Weight	Approx. 12,500 lbs

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DOOSAN DNM 350/5AX – GENERAL INFORMATION

Specification	Value
Manufacturer	Doosan Machine Tools
Model	DNM 350/5AX
Year	2021
Machine Type	5-Axis Vertical Machining Center
Construction	Heavy-Duty Cast Iron
Typical Materials	Aluminum, Steel, Titanium, Plastics
Production Type	Precision Multi-Axis Manufacturing

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INDUSTRIES THAT USE DOOSAN DNM 350/5AX

• Aerospace Manufacturing
• Medical Device Manufacturing
• Automotive Industry
• Defense Manufacturing
• Electronics Manufacturing
• Mold & Die Production
• Precision Engineering
• Energy Industry
• Contract Machining
• Research & Development

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TYPICAL PARTS DOOSAN DNM 350/5AX CAN PRODUCE

• Aerospace Brackets
• Turbine Components
• Medical Implants
• Surgical Instruments
• Mold Inserts
• Impellers
• Automotive Performance Parts
• Precision Housings
• Defense Components
• Electronic Enclosures
• Fixture Components
• Complex Prototype Parts

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WHY CHOOSE DOOSAN DNM 350/5AX

The Doosan DNM 350/5AX provides manufacturers with an efficient and cost-effective path into advanced 5-axis machining. Unlike traditional machining centers that require multiple setups to complete complex parts, the DNM 350/5AX allows manufacturers to perform simultaneous machining from multiple angles within a single setup. This capability dramatically improves accuracy, reduces labor requirements, and shortens production times.

One of the machine’s greatest strengths is its compact footprint. Many shops require advanced machining technology but lack the floor space needed for larger 5-axis platforms. The DNM 350/5AX delivers powerful performance while maintaining a manageable size that fits comfortably into a wide range of manufacturing environments. This allows manufacturers to maximize production capacity without requiring significant facility expansion.

The machine’s high-speed spindle and advanced rotary table system provide exceptional cutting performance across a broad range of materials. Whether producing aluminum aerospace components or hardened steel mold inserts, the DNM 350/5AX offers the rigidity and precision needed for demanding applications. The Fanuc control system further enhances productivity by providing reliable operation, advanced programming capabilities, and user-friendly machine control.

Reliability is another key advantage. Doosan machines have earned a reputation for durability and long-term performance in production environments around the world. The robust machine construction and quality components help minimize downtime and maintenance costs, allowing manufacturers to maximize machine utilization.

For companies seeking improved machining flexibility, increased productivity, and the ability to manufacture highly complex parts, the Doosan DNM 350/5AX represents an outstanding investment that combines advanced technology with proven manufacturing performance.

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WHY BUY USED DOOSAN DNM 350/5AX

Purchasing a used Doosan DNM 350/5AX offers manufacturers the opportunity to acquire modern 5-axis machining technology while significantly reducing capital investment. Because the machine was manufactured in 2021, it remains a highly current platform with advanced controls, spindle technology, and automation capabilities. This makes it particularly attractive for companies seeking modern machining solutions without the premium cost associated with purchasing new equipment.

One of the most significant advantages of buying used is cost savings. New 5-axis machining centers can require substantial capital expenditures, which may limit growth opportunities for many businesses. A well-maintained used DNM 350/5AX can provide nearly identical machining capabilities at a considerably lower purchase price. These savings can then be invested in tooling, automation, facility improvements, or additional production equipment.

The DNM series is known for reliability and consistent performance. Doosan engineered these machines to operate in demanding production environments while maintaining excellent accuracy and repeatability. As a result, used DNM 350/5AX machines remain highly sought after by manufacturers looking for dependable multi-axis machining platforms.

Another major advantage is machine availability. New machine purchases often involve long lead times due to manufacturing schedules and supply chain delays. Used machines are frequently available for immediate purchase and installation, allowing manufacturers to quickly expand production capacity and respond to new business opportunities.

Many used DNM 350/5AX machines also include valuable options that increase overall value. Features such as spindle probing, tool setters, through-spindle coolant systems, chip management upgrades, and advanced software packages can significantly enhance machine performance while reducing future upgrade expenses.

For manufacturers seeking a modern, reliable, and highly capable 5-axis machining center, purchasing a used Doosan DNM 350/5AX represents an excellent opportunity to increase productivity and profitability while minimizing capital expenditure.

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HOW MUCH DOES A USED DOOSAN DNM 350/5AX COST?

The cost of a used Doosan DNM 350/5AX varies depending on machine condition, operating hours, maintenance history, tooling packages, installed options, and overall market demand. Since the machine is a relatively recent 2021 model, it continues to command strong resale values throughout the used CNC equipment marketplace.

Machine condition is one of the most important factors affecting value. Equipment with documented maintenance records, lower spindle hours, and excellent overall condition generally commands premium pricing. Buyers often prioritize machines that have been properly maintained and operated in controlled manufacturing environments because these machines typically offer longer service life and lower risk.

Installed options can significantly influence pricing as well. Machines equipped with advanced probing systems, through-spindle coolant, upgraded tool management systems, larger tooling packages, and automation interfaces generally achieve higher market values. These features can improve productivity and reduce setup times, making them particularly attractive to prospective buyers.

Market demand also affects pricing. As more manufacturers adopt 5-axis machining technology, demand for modern machines such as the DNM 350/5AX remains strong. This demand helps support higher resale values compared to older or less capable machining platforms.

Transportation, rigging, installation, and commissioning costs should also be considered when evaluating a used machine purchase. Although the DNM 350/5AX is relatively compact compared to larger machining centers, professional installation remains essential to ensure optimal performance and accuracy.

In today’s used CNC machinery market, a 2021 Doosan DNM 350/5AX typically sells within a range of approximately $140,000 to $280,000, depending on machine condition, spindle hours, installed options, tooling, and included accessories. Machines equipped with extensive options and low operating hours may command prices above this range.

When evaluating overall value, manufacturers should focus not only on acquisition cost but also on productivity potential. The DNM 350/5AX’s ability to reduce setup times, improve machining accuracy, and efficiently produce complex components often results in significant operational savings and a strong return on investment. These advantages continue to make the Doosan DNM 350/5AX one of the most desirable used 5-axis machining centers available today.