Chiron DZ 25S
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
Overview
The Chiron DZ 25S is a large-format, twin-spindle, 5-axis machining center designed for high-volume production of medium-to-large parts. As the largest dual-spindle platform in Chiron's lineup, the 25 Series delivers twin-spindle throughput in a work envelope that dwarfs the 15, 16, and 18 Series machines. The "S" designation indicates a swivel-head configuration with an 800 mm spindle distance, optimized for direct loading of parts onto the machining table.
The DZ 25S provides X/Y/Z travels of 830 x 630 x 630 mm (32.7 x 24.8 x 24.8 in) per spindle — the largest in Chiron's twin-spindle range. Each spindle has independent X and Z axis movement, allowing tool changes to occur on one spindle while the other continues cutting. This independent axis control is a key differentiator that further reduces non-cutting time compared to machines where both spindles share axes. Spindle options include HSK-A63 at 20,000 RPM and HSK-A100 configurations with up to 400 Nm for heavy-duty steel and titanium work.
The mineral-cast machine bed, linear direct drives on all linear axes, and direct-drive rotary axes deliver the dynamics and precision expected from Chiron. The 800 mm spindle distance accommodates larger parts than the tighter spacing of the 15 and 16 Series dual-spindle machines. Workpiece capacity reaches up to 1,000 mm diameter and 500 kg. Tool magazines hold up to 2 x 77 tools. The control is Siemens SINUMERIK 840D sl.
New DZ 25S machines price between $650,000 and $950,000, reflecting the larger platform and independent axis control technology. The DZ 25S competes with large twin-spindle production machines from Heller and Grob, and with high-output horizontal machining centers from Mazak and Okuma. Used units from 2017-2023 trade between $350,000 and $650,000.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 830 mm (32.7 in) per spindle |
| Y-Axis Travel | 630 mm (24.8 in) |
| Z-Axis Travel | 630 mm (24.8 in) |
| Max Spindle Speed | 20,000 RPM standard (up to 40,000 RPM optional) |
| Spindle Taper | HSK-A63 standard (HSK-A100 optional) |
| Spindle Torque | Up to 400 Nm (295 ft-lb) with HSK-A100 option |
| Spindle Configuration | Twin-spindle with independent X and Z axes |
| Spindle Distance | 800 mm (31.5 in) |
| A Axis Range | Direct drive tilt axis |
| C Axis Range | 360° continuous direct drive |
| Max Workpiece Diameter | 1,000 mm (39.4 in) |
| Max Workpiece Weight | 500 kg (1,102 lb) |
| Tool Capacity | Up to 2 x 77 tools |
| Axis Drives | Linear direct drives on X, Y, Z; direct drives on A, C |
| Machine Bed | Mineral cast |
| CNC Control | Siemens SINUMERIK 840D sl |
| Thermal Management | Water-cooled drives on all axes and spindle |
Specifications sourced from chiron-group.com — verified 2026-03-28
Strengths & Limitations
Strengths
- Largest twin-spindle work envelope in Chiron's lineup at 830 x 630 x 630 mm per spindle handles medium-to-large parts
- Independent X and Z axis movement per spindle allows tool changes on one spindle while the other continues cutting, reducing non-cutting time
- 800 mm spindle distance accommodates larger parts than smaller Chiron twin-spindle platforms
- Linear direct drives on all linear axes deliver zero-backlash dynamics with acceleration exceeding ball-screw machines
- Up to 1,000 mm workpiece diameter and 500 kg capacity handles parts that smaller dual-spindle machines cannot
- Mineral-cast bed and water-cooled drives provide thermal stability and vibration damping for precision production
Limitations
- Starting price around $650,000 requires high-volume production of larger parts to justify the investment
- Both spindles must run the same program on identical parts — no mixed-part flexibility
- Large machine footprint and weight require significant factory planning and foundation preparation
- Chiron's North American service network for large machines is more limited than competitors like Mazak and DMG Mori
- Up to 77 tools per spindle may be limiting for extremely complex parts requiring deep tool magazines
Best For
Frequently Asked Questions
01
New DZ 25S machines start around $650,000 and can reach $950,000 with HSK-A100 torque spindles, full tool magazines, high-pressure coolant, probing, and automation interfaces. Used units from 2017-2023 trade between $350,000 and $650,000 depending on hours and configuration.
02
Unlike smaller Chiron dual-spindle machines where both spindles share all axes, the DZ 25S gives each spindle its own X and Z axis. This means one spindle can perform a tool change while the other continues cutting, and each spindle can independently adjust its position. This reduces non-cutting time and improves overall throughput.
03
Both share the 25 Series platform. The DZ 25S has a swivel-head configuration for direct loading, optimized for 5-axis work. The DZ 25P adds a pallet changer for automated workpiece exchange, pushing spindle utilization higher but at additional cost. Choose the 25S when direct loading suits your workflow; the 25P when you need pallet automation.
04
The DZ 25S has larger travels (830 x 630 x 630 vs 620 x 650 x 600 mm), independent axis control per spindle, and higher workpiece capacity (1,000 mm, 500 kg vs 599 mm, 150 kg). The DZ 22W has faster rapids (120 m/min) and includes a workpiece changer. The DZ 25S is for larger parts; the DZ 22W is faster on smaller parts with built-in automation.
05
Automotive is the primary market for engine blocks, structural castings, and large components. Aerospace manufacturers use it for medium-to-large aluminum structures. Heavy equipment and energy sectors use it for hydraulic components and valve bodies. Any industry running high volumes of identical medium-to-large 5-axis parts benefits from the DZ 25S.
Community Discussions
Community discussion — Chiron VMC lost home position? - Practical Machinist
Pricing and buying discussion — Cheap Chiron ... - Practical Machinist
Troubleshooting and problem-solving — Chiron FZ12W 'Z' Axis Shift Issue. - Practical Machinist
Troubleshooting and problem-solving — Chiron no start - Practical Machinist
Community discussion — PM-25MV - Is it enough? : r/Machinists - Reddit
Community discussion — Chuck suggestions : r/Machinists - Reddit
Community discussion — Benchtop drill presses with low runout? : r/Machinists - Reddit
Community discussion — This is hanging up in the Swiss CNC department. - Reddit
Links to community discussions. Summaries are editorial — visit the original thread for full context.