Hanwha Precision Machinery Swiss-Type Lathes

Hanwha XP20

$220,000 - $295,000 Updated 2026-03-16

Key Specifications

Rapid Traverse

36 m/min (1,417 ipm)

Accuracy

±0.002 mm

Repeatability

±0.001 mm

max bar capacity

20 mm (0.787 in)

main spindle speed

12,000 RPM

sub spindle speed

10,000 RPM

Overview

The Hanwha XP20 is a high-precision 20 mm Swiss-type automatic lathe representing Hanwha's premium-tier offering in the 20 mm segment. The XP-series (Precision) designation distinguishes this machine from the standard XD-series and economy XE-series — the XP20 is engineered to the tightest tolerances Hanwha achieves in the Swiss-type category, targeting medical, aerospace, and instrumentation applications where sub-micron repeatability and long-run dimensional stability are requirements, not aspirational targets.

The XP20 achieves its precision through a combination of high-specification linear guideways (with higher-precision preload than the XD-series), enhanced spindle bearing quality, advanced thermal compensation algorithms, and a machine structure optimized for thermal stability. The main spindle runs to 12,000 RPM with 3.7 kW (5 hp) of power — higher than the XD20 II's 10,000 RPM to provide improved surface speed for the micro-feature work and harder materials common in precision medical applications. Sub-spindle speed is 10,000 RPM.

Axis count on the XP20 reaches up to 9 in the full configuration, with X1, Z1, Y1, X2, Z2, Y2, B-axis, C1, and C2, providing complete geometric access comparable to the XD-series but with tighter mechanical specifications on each axis. Tool count is 32 positions in the standard configuration. Positioning accuracy is ±0.002 mm and repeatability ±0.001 mm — specifications that place the XP20 among the top tier of 20 mm Swiss-type machines globally.

Fanuc 32i-B control is standard on the XP20, with thermal compensation maps loaded at the factory for the specific machine's thermal characteristics. Hanwha's US technical center in Elmhurst, IL provides XP-series applications support. Pricing for the XP20 is in the $220,000 to $295,000 range — premium over the XD20 II, reflecting the enhanced precision specification. Direct competitors at this precision tier include the Citizen L20 Type VIII and the Tornos Sigma 20.

Full Specifications

Parameter	Value
Max Bar Capacity	20 mm (0.787 in)
Main Spindle Speed	12,000 RPM
Sub Spindle Speed	10,000 RPM
Main Spindle Power	3.7 kW (5 hp)
Number Of Axes	Up to 9 axes
Tool Stations	32 tools
Guide Bushing	Standard precision-grade (removable for non-guide bushing mode)
Travel X1	25 mm (0.98 in)
Travel Z1	195 mm (7.68 in)
Travel Y1	±14 mm
Travel X2	25 mm (0.98 in)
Travel Z2	95 mm (3.74 in)
Rapid Traverse Rate	36 m/min (1,417 ipm)
Positioning Accuracy	±0.002 mm
Repeatability	±0.001 mm
CNC Control	Fanuc 32i-B
Machine Weight	2,400 kg (5,291 lb)
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Strengths & Limitations

Strengths

±0.001 mm repeatability is best-in-class for a 20 mm Swiss-type machine — essential for medical implant components and aerospace instrumentation with sub-micron tolerance requirements
12,000 RPM main spindle provides higher surface speed than the XD20 II, improving finish quality and cycle time on small-diameter precision features
9-axis full configuration with premium precision on all axes provides complete geometric access without the accuracy penalty of lesser machines
Factory-loaded thermal compensation maps specific to each machine's measured characteristics provide stable long-run dimensional performance
32-tool capacity supports complex part programs without mid-cycle tool changes, maintaining productivity on high-value precision parts
Hanwha XP-series build quality and precision specifications are validated to meet ISO 230-2 machine tool accuracy standards at the factory

Limitations

At $220K-$295K, the XP20 is a premium investment that requires high-value part production (medical, aerospace, precision instruments) to justify the cost premium over the XD20 II
20 mm bar capacity limits the machine to small-diameter parts; the XP-series is not available in larger diameters for shops needing both precision and larger bar capacity
Precision machines require premium environmental conditions — stable room temperature (±2°C or better), vibration isolation, and clean power supply are important for achieving XP-series specifications
The premium precision specification means the XP20 is not ideal for high-volume commodity parts where the precision advantage is irrelevant and cost per machine matters more

Best For

Medical device manufacturers producing Class III implantable devices — cochlear implants, orthopedic micro-screws, spinal implant components — where dimensional certification requires sub-micron repeatability Aerospace precision shops producing gyroscope components, guidance system parts, and optics mounts where tolerance stack-up analysis drives the need for tightest-possible machine accuracy Watchmaking and precision instrument manufacturers producing micro-mechanical components where part accuracy requirements exceed what standard Swiss-type machines can consistently hold Metrology and laboratory instrument manufacturers producing precision shafts, spindles, and positioning components from hardened stainless and specialty alloys

Frequently Asked Questions

01 What is the difference between XP20 repeatability and XD20 II repeatability in practice?

The XD20 II offers ±0.002 mm repeatability while the XP20 achieves ±0.001 mm. On a 20 mm diameter part, this means the XP20 holds diameter within ±0.002 mm across a production run while the XD20 II holds ±0.004 mm. For medical implants with diameter tolerances of ±0.005 mm or tighter, the XP20's ±0.001 mm repeatability leaves a significantly larger portion of the tolerance band available for tool wear compensation before out-of-tolerance parts occur. This extends tool change intervals and reduces scrap rate in long unattended production runs.

02 What environmental conditions does the XP20 require?

Hanwha recommends a stable ambient temperature of 20°C ±2°C for the XP20's precision specifications to be maintained. Temperature swings greater than 2°C per hour can induce thermal errors beyond the machine's compensation capability. Vibration isolation pads are recommended where floor vibration exceeds ISO 10816 limits. A regulated power supply (±5% voltage stability) is standard for Fanuc 32i-B protection. These requirements are typical for any precision Swiss-type machine at this accuracy level.

03 Can the XP20 machine hardened steel?

The XP20 can perform light hard-turning on materials up to approximately 55 HRC with CBN tooling and appropriate cutting parameters. The guide bushing support is advantageous for hard-turning long slender hardened components. However, the XP20 is not designed for heavy stock removal on hardened materials — pre-hardened stock should be rough-machined in soft condition and finish-machined after heat treatment for best dimensional results.

04 How does the XP20 compare to the Tornos Sigma 20?

Both target the high-precision 20 mm Swiss-type tier for watchmaking, medical, and aerospace applications. The Tornos Sigma 20 has a strong reputation in the watchmaking and micro-mechanical precision sector. The Hanwha XP20 offers comparable precision specifications with the advantage of Hanwha's US technical center support in Elmhurst, IL — which many North American shops find more accessible than Tornos' US service infrastructure. Part complexity and existing shop-brand relationships typically drive the final choice.

05 Is the XP20 suitable for ISO 13485 medical device quality systems?

Yes. The XP20's Fanuc 32i-B control provides the program traceability, axis compensation records, and machine parameter documentation required for ISO 13485 manufacturing environments. Hanwha provides a comprehensive machine documentation package (including factory accuracy test report, calibration records, and maintenance manual) that supports the equipment validation protocols typical of ISO 13485 and FDA 21 CFR Part 820 quality systems.