DMG Mori DMU 50
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
Overview
The DMG Mori DMU 50 3rd Generation is where a lot of shops start their 5-axis journey, and for good reason. It packs 650 x 520 x 475 mm (25.6 x 20.5 x 18.7 in) of travel into a footprint under 5 square meters, which means you don't need to blow out a wall to fit it on the floor.
The standard speedMASTER spindle runs at 15,000 RPM with 21 kW (28 hp) and 111 Nm of torque through an SK40/HSK-A63 taper. That's enough muscle for aluminum, steel, and moderate titanium work. Shops that need more can spec the 20,000 RPM option with 35 kW (47 hp) and 130 Nm, or the heavy-hitter 46 kW (62 hp) variant with 200 Nm for serious hard-metal roughing.
The swiveling rotary table is 630 mm (24.8 in) in diameter and handles workpieces up to 300 kg (661 lb). DMG Mori widened the B-axis swivel range to -35 to +110 degrees on the 3rd Gen, a significant improvement over the -5 to +110 degrees on older models. That extra 30 degrees of negative tilt opens up undercut geometries that previously required refixturing.
Control options include Siemens Sinumerik One and Heidenhain TNC 640 running under CELOS X, DMG Mori's app-based touchscreen interface on a 21.5-inch multi-touch screen. Fanuc is also available on some configurations. The tool magazine starts at 30 pockets and scales to 60 or 120.
Positioning accuracy comes in under 6 microns thanks to a one-piece cast machine bed and extensive cooling throughout the structure. At roughly 5,200 kg (11,460 lb), it's heavy enough to damp vibration during contouring but compact enough for shops without crane access.
Pricing starts around $200,000 and climbs past $300,000 with the 20K spindle, expanded magazine, and automation. The direct competitors are the Hermle C 250, Matsuura MX-520, and Haas UMC-500 (though the Haas plays in a different league on precision). Forum users on Practical Machinist report that DMG Mori's aggressive pricing on the 3rd Gen has eaten into their own DMU 65 monoBLOCK sales. For shops stepping up from 3+2 positioning to true simultaneous 5-axis, the DMU 50 remains one of the most proven entry points in the industry. Specs sourced from DMG Mori published data and verified dealer listings.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 650 mm (25.6 in) |
| Y-Axis Travel | 520 mm (20.5 in) |
| Z-Axis Travel | 475 mm (18.7 in) |
| Max Spindle Speed | 15,000 RPM (20,000 RPM optional) |
| Spindle Taper | SK40 / HSK-A63 |
| Spindle Motor Power | 21 kW (28 hp) |
| Spindle Torque | 111 Nm (200 Nm optional) |
| Table Diameter | 630 mm (24.8 in) |
| Table Load Capacity | 300 kg (661 lb) |
| Max Workpiece Height | 600 mm (23.6 in) |
| Swivel Range | -35° to +110° |
| Tool Capacity | 30 (expandable to 60/120) |
| Rapid Traverse Rate | 42 m/min (1,654 ipm) |
| Positioning Accuracy | < 0.006 mm (< 6 µm) |
| Machine Weight | 5,200 kg (11,460 lb) |
| Floor Space | 2,197 x 2,264 mm (86.5 x 89.1 in) |
| CNC Control | Siemens Sinumerik One / Heidenhain TNC 640 (CELOS X) |
| Developer | Apple |
| Popularity | 4.2|3419Votes |
| 650 Mm | 25.6 in. |
| 520 Mm | 20.5 in. |
| 475 Mm | 18.7 in. |
| 630 Mm | 24.8 in. |
| 600 Mm | 23.6 in. |
| 300 Kg | 661.4 lbs. |
| Customer Benefitsflexible Application Possibilitiesin Process Measurement | Left : Semi-automatic Measurement solution. / Right : Automatic measurement solution. |
| Customer Benefits | MPC Graph: aktuelle und angelernte Prozesswerte. / MPC Diagnostics: Lagerzustand, Anzahl von Stoß und Crash. |
Specifications sourced from us.dmgmori.com — verified 2026-03-28
Strengths & Limitations
Strengths
- Full 5-axis simultaneous capability with sub-6-micron positioning accuracy from a one-piece cast bed
- 21 kW (28 hp) standard speedMASTER spindle handles aluminum through moderate titanium, with 46 kW (62 hp) option for hard metals
- Widened B-axis swivel range (-35 to +110 degrees) gives 30 degrees more negative tilt than older generations for undercut work
- Under 5 m² footprint fits in shops where larger 5-axis machines won't, no crane required for installation
- Choice of Siemens Sinumerik One, Heidenhain TNC 640, or Fanuc control matches whatever platform your shop already runs
- Tool magazine scales from 30 to 120 pockets, enough for lights-out runs without manual intervention
- 630 mm table with 300 kg capacity covers most aerospace, medical, and mold components in a single setup
Limitations
- Starting at $200K and commonly configured at $300K+, it costs 3-4x a Haas UMC-500 for a smaller work envelope
- 300 kg table load and 630 mm diameter limit part size; larger work pushes you to the DMU 65 or DMU 75 monoBLOCK
- DMG Mori service and parts costs are among the highest in the industry, and forum users stress that local service quality varies by region
- Air consumption is notably high according to owners, and the internal compressor adds background noise to the shop
Best For
Frequently Asked Questions
01
Base price is around $200,000 with the standard 15K RPM speedMASTER spindle. Most shops configure them in the $280,000-$320,000 range with the 20K RPM spindle, 60-tool magazine, through-spindle coolant, and glass scales. Practical Machinist forum members report paying $300K-$350K fully loaded. Used DMU 50s from the 2017-2020 window sell in the $100,000-$160,000 range.
02
Match your existing shop platform first. If you're starting fresh, Siemens Sinumerik One has broader CAM post-processor support in North America and a larger talent pool of operators. Heidenhain TNC 640 is preferred in European aerospace for its conversational programming and high-speed contouring cycles. Fanuc is also available if that's what your operators know.
03
The standard 21 kW spindle cuts titanium at moderate removal rates. For production titanium work, spec the 46 kW / 200 Nm spindle option. The machine's 5,200 kg weight and one-piece cast bed provide the rigidity you need for contouring in Ti-6Al-4V and similar alloys. Titans of CNC has run it hard in 4140 steel and 316 stainless on camera.
04
Both are compact 5-axis machines in the $250K-$350K range. Practical Machinist users report that shops evaluating both often land on the DMU 50 for its wider swivel range and lower price at comparable specs. The Hermle has a reputation for exceptional surface finish and German build quality. One thread noted a shop with six Hermles still bought two DMU 50s.
05
Owners report the machine is generally reliable, though DMG Mori service calls aren't cheap. Older DMU 50 generations have seen expensive repairs like $10K power supply replacements. The 3rd Gen's extensive cooling system helps maintain accuracy but adds components that need monitoring. Forum consensus: the quality of your local DMG Mori service center matters more than the machine itself.
Videos
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