Citizen Cincom L32
Key Specifications
max bar diameter
max part length
number of axes
main spindle speed
sub spindle speed
guide bushing
Overview
The Citizen Cincom L32 is a high-performance Swiss-type CNC sliding headstock lathe from Citizen Machinery, engineered for precision turning of bar stock up to 32 mm in diameter. As part of Citizen's flagship Cincom L-series lineup, the L32 builds on decades of Swiss-lathe development to deliver fast cycle times, excellent surface finishes, and the multi-axis capability required for complex medical, aerospace, and industrial components. The L32 is widely regarded in the Swiss machining industry as a benchmark machine for the 32 mm bar class.
The machine's LFV (Low Frequency Vibration) cutting technology is a standout feature that differentiates the Cincom L-series from competing Swiss lathes. LFV oscillates the cutting tool at a programmed frequency and amplitude, breaking chips automatically without the need for high-pressure coolant systems or manual chip-clearing interruptions. This capability is particularly valuable for difficult-to-machine materials such as titanium, stainless steel, and engineering plastics, which are prone to stringy chip formation that can jam Swiss-lathe guide bushings and damage workpieces.
The L32 provides simultaneous machining capability through its main spindle, sub-spindle, and live tool stations. With up to 13 axes of coordinated motion depending on configuration, the machine supports back-working operations, off-center drilling and milling, cross-drilling, and thread milling in a single setup. The gang-tool plate and turret arrangement allows the programmer to assign tools efficiently, minimizing tool-to-tool changeover time and maximizing spindle utilization on complex parts. Citizen's proprietary CINCOM control — built on a Mitsubishi platform — provides the processing speed and look-ahead capability needed for smooth simultaneous five-axis contouring.
Citizen supports the L32 with a comprehensive application engineering and tooling ecosystem. The machine accepts standard 32 mm guide bushings and collets from Citizen and compatible aftermarket suppliers, and the guide bushing can be converted to a guide bushing-less configuration for short parts where bar remnant reduction is a priority. The L32 occupies a central position in Swiss-type machining lines used in medical device manufacturing, watchmaking, and precision instrument production, where dimensional accuracy and surface finish requirements are among the most stringent in manufacturing.
Full Specifications
| Parameter | Value |
|---|---|
| Max Bar Diameter | 32 mm (1.26 in) |
| Max Part Length | 200 mm (7.87 in) with guide bushing |
| Number Of Axes | Up to 13 (configuration-dependent) |
| Main Spindle Speed | 10,000 rpm |
| Sub Spindle Speed | 10,000 rpm |
| Guide Bushing | Yes (guide bushing-less option available) |
| Live Tools | Yes — driven tools on gang plate and B-axis |
| Live Tool Speed | 6,000 rpm (standard) / 12,000 rpm (high-speed option) |
| CNC Control | Citizen CINCOM (Mitsubishi-based) |
| Machine Weight | Approx. 2,200 kg (4,850 lb) |
| Cnc | CNC自動旋盤がどんな機能や特徴を持っているか解説。 |
| Creation | 当社の情報誌「CREATION」のバックナンバーを掲載。 |
Specifications sourced from cmj.citizen.co.jp — verified 2026-03-28
Strengths & Limitations
Strengths
- LFV chip-breaking technology eliminates stringy chip issues in titanium, stainless, and plastics — a significant productivity advantage in medical and aerospace work
- Up to 13 simultaneous CNC axes enable highly complex part geometries in a single setup, reducing WIP and secondary operations
- 10,000 rpm main and sub spindle speeds support high-feed strategies on small-diameter features common in Swiss-turned parts
- Guide bushing-less configuration option reduces bar remnant waste and enables shorter workpiece machining without fixture changes
Limitations
- Premium acquisition cost compared to entry-level Swiss lathes — best justified on complex, high-mix medical and aerospace work
- LFV programming requires operator familiarity with Citizen's CINCOM control and LFV parameter setting for optimal chip control
- 32 mm bar capacity limits the machine to small-diameter work — larger bar requirements necessitate moving to the Cincom M or L-series larger models
Best For
Frequently Asked Questions
01
LFV (Low Frequency Vibration) is Citizen's patented chip-breaking system that oscillates the cutting tool at a programmed frequency and amplitude during machining. This controlled vibration interrupts the chip formation cycle, breaking chips into short segments without high-pressure coolant. LFV is especially effective in materials like titanium, stainless steel, and engineering plastics that produce long, stringy chips that can cause Swiss-lathe guide bushing jams and surface damage.
02
Yes. The L32 supports a guide bushing-less configuration where the guide bushing unit is replaced with a short collet guide. This mode reduces bar remnant length, lowering material waste on expensive bar stock. The trade-off is reduced rigidity support for the workpiece during machining, so guide bushing-less mode is typically used for shorter workpieces where the length-to-diameter ratio allows adequate collet clamping without additional support.
03
The L32 uses Citizen's CINCOM control system, which is built on a Mitsubishi CNC platform. The CINCOM control is optimized for multi-axis Swiss lathe programming, including simultaneous turning and milling, sub-spindle synchronization, and LFV parameter management. Citizen offers dedicated programming software and post-processors for CAM integration.
Videos
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Community Discussions
Troubleshooting and problem-solving — This is hanging up in the Swiss CNC department. - Reddit
Troubleshooting and problem-solving — Threader issues on Citizen L32 : r/Machinists - Reddit
Community discussion — People who have run Citizens, tell me your tricks for setting ...
Community discussion — Question about Citizen Swiss lathe core offset :
Links to community discussions. Summaries are editorial — visit the original thread for full context.




