CHIRON VZ 16

$600,000 - $900,000 Updated 2026-03-16

Key Specifications

X Travel

250 mm (9.8 in) per spindle

Y Travel

300 mm (11.8 in)

Z Travel

300 mm (11.8 in)

Max Spindle

20,000 rpm per spindle

Spindle Taper

HSK-A40

Tool Capacity

24 tools per spindle (96 total)

Overview

The CHIRON VZ 16 is a 4-spindle vertical machining center representing the highest level of production throughput in CHIRON's spindle-multiplication strategy. Where twin-spindle machines like the DZ series double output, the VZ 16's 4-spindle architecture quadruples it — machining four identical parts simultaneously in a single machine footprint. This makes the VZ 16 one of the most productive small-part machining platforms available for dedicated high-volume production runs.

All four spindles on the VZ 16 run synchronously, executing identical toolpaths simultaneously. Each spindle delivers up to 20,000 rpm with HSK-A40 tooling, providing the surface speeds needed for efficient aluminum, magnesium, and steel machining. The machine's traveling-column structure provides the rigidity to maintain consistent accuracy across all four cutting positions simultaneously — essential when part quality must be uniform across a 4-up configuration. Positioning accuracy is maintained at +/- 0.004 mm per axis across the array.

The VZ 16's automation integration takes the 4-spindle concept to its logical conclusion. CHIRON pairs the machine with their Variocell automation systems capable of loading and unloading all four stations simultaneously, achieving takt times measured in seconds rather than minutes. In automotive body-in-white and small powertrain component applications, VZ 16 cells routinely produce millions of parts per year with minimal operator intervention. The Siemens Sinumerik 840D sl control manages all four spindle channels with full synchronization.

The VZ 16 is a highly specialized machine — its 4-spindle synchronous operation means it is optimized for one thing: producing enormous quantities of a specific family of small parts as efficiently as possible. New machine pricing typically falls in the $600,000–$900,000 range, but the cost-per-part economics in suitable applications are exceptional. Primary competition comes from rotary transfer machines and dedicated multi-station transfer lines, against which the VZ 16 offers significantly faster changeover and more flexible toolpath programming.

Full Specifications

Parameter	Value
Spindles	4 (quad-spindle, synchronous)
Max Spindle Speed	20,000 rpm per spindle
Spindle Taper	HSK-A40
Spindle Motor Power	12 kW (16 hp) per spindle (S1)
X-Axis Travel	250 mm (9.8 in) per spindle
Y-Axis Travel	300 mm (11.8 in)
Z-Axis Travel	300 mm (11.8 in)
Rapid Traverse Rate	60 m/min (2,362 ipm)
Tool Capacity	24 tools per spindle (96 total)
Spindle Spacing	Fixed, matched to pallet/fixture pitch
CNC Control	Siemens Sinumerik 840D sl (4-channel)
Floor Space Required	Approx. 5,500 x 3,500 mm (216.5 x 137.8 in)
Positioning Accuracy	+/- 0.004 mm
Cookielawinfo Checbox Analytics	11 months
Cookielawinfo Checbox Functional	11 months
Cookielawinfo Checbox Others	11 months
Cookielawinfo Checkbox Necessary	11 months
Cookielawinfo Checkbox Performance	11 months
Viewed Cookie Policy	11 months

Specifications sourced from chiron-group.com — verified 2026-03-28

Strengths & Limitations

Strengths

Four simultaneous spindles produce 4x the output of a single-spindle machine in the same operational time, achieving unmatched cost-per-part economics for high-volume small parts
HSK-A40 spindles at 20,000 rpm deliver high surface speeds for aluminum and light alloy machining, the most common application for 4-spindle production
Flexible NC programming via Sinumerik 840D sl means changeover to a new part family is far faster than a transfer line while approaching transfer line throughput
CHIRON automation integration can load and unload all four stations simultaneously, enabling fully unattended production with seconds-level takt times

Limitations

Synchronous 4-spindle operation means all four spindles must machine the same part — the VZ 16 has essentially no flexibility for mixed-part or low-volume production
Fixture design and setup complexity is multiplied by four — precise alignment of all four pallet positions is critical and requires skilled setup technicians
The very high throughput demands a supply chain and downstream operations capable of absorbing the output — a bottleneck anywhere in the cell negates the machine's advantage

Best For

Automotive tier-1 and tier-2 suppliers producing millions of identical small parts annually — fasteners, housings, brackets, inserts — where 4-spindle economics are transformative Consumer electronics component manufacturers machining aluminum and magnesium structural parts at very high volumes with tight tolerances Defense and ordnance manufacturers with long-run contracts for small precision components requiring consistent quality across very high quantities Any production environment replacing rotary transfer machines or dial-index machines with CNC flexibility while maintaining transfer-line throughput

Frequently Asked Questions

01 Can the CHIRON VZ 16 machine different parts on each spindle simultaneously?

No. The VZ 16's four spindles operate synchronously — all four execute the same NC program simultaneously on identical workpieces. This is by design to maximize throughput for high-volume identical-part production. If mixed-part flexibility is required, CHIRON's twin-spindle DZ series with asynchronous capability is more appropriate.

02 How does changeover time on the VZ 16 compare to a transfer line?

Changeover on the VZ 16 typically takes 4–8 hours including fixture changes, tool reloads, and program qualification — vastly faster than the days or weeks required to retool a dedicated transfer line. This flexibility makes the VZ 16 viable for part families with seasonal demand variation or model year changes, while still approaching transfer line throughput during production runs.

03 What is the typical application for the CHIRON VZ 16?

The classic VZ 16 application is automotive powertrain components: small housings, bearing caps, valve bodies, pump bodies, and similar parts machined from aluminum or gray cast iron in volumes measured in millions per year. The machine is also used for consumer electronics aluminum enclosures and defense components requiring very high output with consistent quality.

04 How does automation work with the CHIRON VZ 16?

CHIRON's Variocell automation systems are designed specifically for multi-spindle machines. A single robot or gantry system loads and unloads all four workpiece positions simultaneously, matching the machine's 4-up production rate without becoming a bottleneck. Part handling, cleaning, and inspection can be integrated into the cell. CHIRON engineers the complete automation solution including cell control software.

05 What tolerances can the CHIRON VZ 16 hold across all four spindles?

The VZ 16 specifies positioning accuracy of +/- 0.004 mm on all linear axes. In practice, part-to-part consistency across the four spindles depends heavily on fixture quality and thermal management. Well-maintained cells with proper thermal compensation and precision fixtures consistently hold part tolerances of +/- 0.01 mm across all four positions, meeting most automotive powertrain specifications.