Sold - 2015 CITIZEN Cincom L32-VIII 32mm CNC Sliding Head Lathe

Citizen Cincom L32-VIII – 7-Axis Sliding Headstock Turning Centre.

The Citizen Cincom L32-VIII represents one of Citizen Machinery’s most versatile and production-ready sliding headstock platforms, engineered for precision bar turning up to 32mm diameter. Designed to meet the high-throughput demands of aerospace, automotive, medical, and subcontract machining, the L32-VIII integrates a robust specification with a full suite of modern automation and control technologies.

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1. Machine Architecture & Core Performance

Bar Capacity & Machining Envelope

The L32-VIII is built to handle a wide range of turned components through both guide-bush and non-guide-bush operation modes:

• Maximum machining diameter: 32mm

• Max length (guide bush mode): 320 mm per chucking

• Max length (non-guide bush mode): 80 mm

• Max front-collected back-spindle part length: 150 mm

This flexibility enables the platform to support both long, slender turned parts and short-cycle components while minimising bar wastage.

Spindle Systems

The machine features high-speed main and sub-spindle units:

• Main spindle: up to 8,000 rpm

• Back spindle: up to 8,000 rpm

• Indexing:

• Main spindle: 1° / 0.001°

• Back spindle: 15° / 0.001°

Both spindles benefit from precise thermal stability, aided by integrated spindle cooling and thermal displacement correction.

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2. Tooling Configuration

The L32-VIII supports an extensive tooling package designed for multi-process machining in a single setup.

Tooling Capacities

• Gang turning tools: 6

• Gang rotary tools: 5

• Front drilling tools: 4

• Back machining tools: 5

Rotary Tooling Performance

• Rotary tool speed (gang): 4,500 rpm rated / 6,000 rpm max

• Front & back rotary tools: 6,000 rpm max

• Tapping capacity:

• Main spindle: M12

• Back spindle: M10

• Rotary tools: M8

Internal gang and back-working stations enable simultaneous machining on both spindles to reduce cycle times significantly.

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3. Control System & Software

The machine is equipped with the Citizen M70LPC CNC control, providing:

• Full C-axis control on both main and sub-spindles

• User macros, geometric functions, tool nose radius compensation

• Continuous threading, helical compensation, synchronous tapping

• 80 offset sets and 640m of program memory (upgradeable)

Programming support is enhanced by the inclusion of Alkart CNC Wizard software, featuring RS232 and CompactFlash support for robust program transfer and offline setup.

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4. Integrated Automation & Process Reliability

Bar Feed System

Included in the package is the:

• Boss HD 338-32MP ‘GB’ Automatic Barfeed, suitable for 10ft bar lengths in 32, 35, and 38mm diameters.

This solution is engineered specifically for guide-bush operation, providing stable, vibration-free bar support at high turning speeds.

Coolant & Swarf Management

Productivity is further supported by:

• CoolBlaster high-pressure coolant system (programmable, 5-line)

• Swarf conveyor (Type A) with 500 μm filtration

• Wogaard Oil Recovery Unit for neat-oil recycling

These additions significantly reduce downtime, improve tool life, and maintain coolant cleanliness in heavy production environments.

Fume Extraction

• Absolent A.MIST10S extractor ensures safe and effective mist removal—critical when using neat cutting oil and high-pressure coolant.

Safety & Unattended Operation

Standard features include:

• Part-off tool breakage detection

• Cutting oil level detection

• Automatic Stat-X 250g fire suppression

• Machine transfer detection

• Door interlock system

These functions collectively support safe unattended or lightly supervised operation.

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5. Installation, Support & Warranty

The proposal includes:

• Delivery to customer site (UK mainland) with crane offload

• Transformer (15 KVA) for electrical compatibility

This comprehensive package ensures rapid commissioning and a fully supported operational start.

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6. Supplied Tooling & Accessories

The machine is supplied with a broad selection of factory-standard and additional equipment, including:

• Full tool holder kit (rotary drive, vertical holders, sleeve holders)

• Knock-out device

• Workpiece conveyor & separator

• Machine work light, signal tower

• RS232, USB, and CompactFlash interfaces

• L32 collet chuck set (10 pieces)

These accessories form a complete production-ready configuration without requiring significant additional investment.

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This positions the L32-VIII package as a competitively priced, high-specification solution for companies expanding their capacity in sliding-head turning.

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Conclusion

The Citizen L32-VIII is a highly capable 7-axis sliding headstock turning centre engineered for precision, productivity, and reliability. With its extensive standard specification, advanced control features, and comprehensive ancillary equipment—from barfeed to mist extraction—the machine is perfectly suited for demanding production environments requiring tight tolerances and continuous throughput.

This configuration provides the end user with a full turnkey solution ready for immediate integration into a high-volume machining workflow.

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