Used Tsugami B0 Swiss-Type CNC Automatic Lathes for Sale 7

Advantages of Buying Used Tsugami B0 Swiss Lathes

Acquiring a used Tsugami B0 Swiss-type lathe provides precision component manufacturers, job shops, and contract machining facilities with established sliding headstock technology at reduced capital investment compared to new equipment procurement.

Proven Platform with Strong Secondary Market Presence

The Tsugami B0 series is among the most widely available Swiss-type lathes on the secondary market, reflecting the large installed base accumulated across multiple production generations. This availability gives buyers multiple sourcing options across different vintages, axis configurations, and bar capacities, allowing precise matching of equipment to production requirements. The consistent demand for used B0 machines also supports residual value and facilitates resale if operational needs change.

Convertible Guide-Bush and Guide-Bushless Operation

The B0 platform's convertibility between Swiss and chucker modes provides operational flexibility not available on fixed-configuration sliding headstock machines. Guide-bushing mode supports precision turning of long, slender parts where workpiece support near the cutting zone prevents deflection. Guide-bushless chucker mode accommodates shorter parts without centerless-ground bar stock requirements, reducing material costs and enabling use of standard drawn bar. This dual capability allows a single used machine to serve diverse part portfolios across different production campaigns.

Simultaneous Multi-Axis Machining Capability

B0 series machines execute simultaneous machining operations across multiple axes, reducing cycle time by overlapping front and back spindle operations rather than sequencing them. On 5-axis models, the main spindle and back spindle can machine simultaneously, effectively cutting cycle time for parts requiring front and back features. On 6-axis configurations with Y2 axis, back milling operations including slotting, end milling, and cross drilling can be performed concurrently with main spindle turning, delivering complete part machining from bar stock in minimum cycle time.

Fanuc CNC Control Compatibility

B0 series machines across production generations utilize Fanuc CNC platforms including Fanuc 0i-TF, Fanuc 32i-B, and earlier Fanuc Oi-TD variants depending on manufacturing year. This control consistency reduces programming retraining requirements for shops already operating Fanuc-equipped machinery. Fanuc service support, programming documentation, and control repair capability remain widely accessible, reducing technical support barriers for used B0 machine integration into existing production environments.

Compact Footprint for High Spindle Density

Tsugami B0 machines deliver complex multi-axis machining capability in a compact floor footprint, enabling precision shops to maximize spindle count within available production space. The gang-tool architecture contributes to machine compactness by eliminating the mechanical bulk of indexing turret systems while maintaining high tool availability per setup. For shops expanding Swiss turning capacity, used B0 machines can be added to existing cells without major facility modifications.

Complete Part Production from Bar Stock

The combination of main spindle, back spindle, gang-type front tool post, and independent back tool post on equipped B0 models enables complete machining of complex parts from bar stock in a single setup. This eliminates part transfers between machines, reduces fixturing costs, removes secondary setup positioning errors, and compresses total lead time from raw material to finished component. For high-volume precision parts with features on both ends and multiple milled or drilled surfaces, single-setup completion represents a fundamental competitive advantage in cycle time and cost per part.

Main Technical Features of Tsugami B0 Machines

Understanding the verified technical characteristics of Tsugami B0 Swiss lathes helps buyers evaluate whether available used equipment matches production requirements and confirm compatibility with existing tooling, bar feeding, and workflow systems.

Bar Capacity and Model Designations

The B0 series naming convention encodes bar capacity and axis count directly in the model number, allowing buyers to identify key specifications from the designation:

• B075-III: 7 mm bar capacity, high-speed micro-machining with main spindle up to 15,000 RPM
• B0125-III / B0126-III: 12 mm bar capacity, 5-axis and 6-axis configurations respectively
• B0205-III / B0206-III: 20 mm bar capacity, 5-axis and 6-axis configurations respectively
• B0325-III / B0326-III: 32 mm bar capacity with 4-spindle cross rotary tool standard
• B0385-III / B0386-III: 38 mm bar capacity, heaviest cutting capability in the B0 family

The suffix numeral in the designation indicates axis count, with -5 denoting 5-axis and -6 denoting 6-axis configurations. The generation suffix (II, III) indicates production series, with III-series machines incorporating refinements over II-series predecessors.

Spindle Speeds and Drive Systems

Spindle speed specifications vary across B0 models according to bar capacity and application focus, with verified data from manufacturer sources:

• 12 mm models: Main spindle up to 12,000 RPM, sub spindle up to 12,000 RPM
• 20 mm models: Main spindle up to 10,000 RPM, sub spindle up to 12,000 RPM
• 32 mm models: Main spindle up to 8,000 RPM reflecting increased torque requirements for larger diameter work
• 38 mm models: Main spindle configured for heavy cutting with appropriate torque characteristics
• Micro-machining B075-III: Main spindle up to 15,000 RPM with ceramic ball bearings for surface finish stability

Higher spindle speeds on smaller-capacity models support the surface finish and tool life requirements of precision micro-components in medical and electronics applications where cutting speeds must be maintained despite small workpiece diameters.

Tool Post Architecture and Tool Positions

The B0 platform employs opposed gang-type tool posts as the primary tooling architecture, supplemented by independent back tool posts on 5-axis and 6-axis configurations:

• Front gang tool post: Carries OD turning tools, boring bars, drills, and rotary tools for main spindle work
• Back tool post: Independent post for sub spindle machining on 5-axis models, with Y2 axis added on 6-axis models
• Tool positions on 5-axis models: 21 total positions standard including 9 OD positions and 12 fixed positions
• Tool positions on 6-axis models: 25 total positions with additional rotary positions enabled by Y2 axis
• 32 mm and 38 mm models: 27 to 32 standard tool positions with optional expansion

The gang-type architecture provides rapid tool access without indexing time, contributing to short cycle times on high-volume precision parts. Tool changes between jobs involve repositioning gang plate tools rather than indexing a turret, simplifying setup procedures for experienced Swiss-type lathe operators.

Axis Configurations

The B0 family covers a range of axis combinations from basic configurations to advanced multi-axis systems:

• Standard axes: X1, Z1 for main spindle; X2, Z2 for back spindle
• 5-axis (B0x25 models): Adds Y1 axis to front tool post enabling cross milling on main spindle side
• 6-axis (B0x26 models): Adds Y2 axis to back tool post enabling back slotting, back end milling, and back cross drilling/tapping with simultaneous overlap capability
• C-axis: Available as option on select models for angular positioning and contouring
• Control platform: Fanuc 32i-B on III-series models; Fanuc Oi-TD on earlier production

Axis count directly determines which part features can be produced in a single setup. Buyers should map required part features against available axis capability on target machines before purchase to confirm that all features can be completed without secondary operations.

Machine Construction and Footprint

B0 series machines are built on rigid cast iron frames providing structural stability during high-speed simultaneous machining. Verified dimensional data from manufacturer specifications indicates compact overall footprints relative to multi-axis capability. The machine structure supports the precision requirements of Swiss turning through thermally stable construction and carefully designed spindle bearing arrangements.

Common Tsugami B0 Models and Configurations

B0125-III and B0126-III (12 mm Series)

The 12 mm B0 models target micro-precision part production in medical, dental, electronics, and watchmaking applications where small diameter and high accuracy define part requirements. The B0125-III provides 5-axis capability with 21 tool positions and simultaneous front-back spindle machining. The B0126-III extends this with Y2 axis on the back tool post, enabling back milling operations overlapped with main spindle turning for maximum cycle efficiency on complex micro-components.

Both models feature 12,000 RPM main and sub spindle speeds supporting surface finish requirements for precision medical implants, connector contacts, and miniature shaft components. The guide-bushless conversion option accommodates short, stubby parts that cannot be effectively supported in guide-bushing mode.

B0205-III and B0206-III (20 mm Series)

The 20 mm B0 models represent the most commonly encountered Tsugami B0 configuration on the secondary market, reflecting their broad applicability across medical devices, automotive connectors, pneumatic fittings, and precision fasteners in the 20 mm diameter range. The B0205-III offers 5-axis machining with 21 tool positions and 10,000 RPM main spindle speed. The B0206-III adds Y2 axis for back milling capability with 25 tool positions and Fanuc 32i-B control.

Used B0205-II machines from 2012 production appear on secondary markets with documented hours and bar feeder configurations, providing buyers with established condition reference points. The 20 mm capacity accommodates the majority of precision turned parts produced in high-volume Swiss turning environments.

B0325-III and B0326-III (32 mm Series)

The 32 mm B0 models address larger-diameter precision parts in automotive, hydraulics, and industrial component applications. The B0325-III includes a 4-spindle cross rotary tool as standard equipment and deep hole drilling capability up to 140 mm, features not typically standard on smaller B0 variants. Main spindle speed of 8,000 RPM reflects the torque requirements of 32 mm bar work while maintaining adequate cutting speed for common precision materials. The chucker conversion kit is included standard on 32 mm models rather than optional as on smaller variants.

B0385-III and B0386-III (38 mm Series)

The 38 mm B0 models represent the heaviest-cutting configuration in the B0 family, designed for demanding cutting conditions on larger-diameter precision components. The B0386-III incorporates large linear guides, a three-toggle clamping system, and extra structural ribbing under the spindles specifically to handle heavy cutting loads. This model supports 8 standard cutting axes (X1, Y1, Z1, X2, Y2, Z2, C1, C2) with 32 standard tool positions expandable to 42. An 8-station driven back working block enables complex back spindle operations on demanding part geometries.

Industries and Applications

Tsugami B0 Swiss-type lathes serve precision manufacturing sectors where small-diameter part production, high volume, and tight tolerances define operational requirements.

Medical Device Manufacturing

Medical device producers represent a primary application sector for B0 machines, producing bone screws, surgical instruments, dental implants, catheter components, and minimally invasive device parts from stainless steel, titanium, and cobalt chrome alloys. The guide-bushing support system enables precision turning of long, slender implant screws and shaft components where deflection-free machining is essential for dimensional accuracy and surface finish. Guide-bushless chucker mode accommodates shorter medical parts while reducing material waste on expensive medical-grade bar stock. Single-setup complete part machining reduces contamination risk and supports the traceability requirements of medical manufacturing quality systems.

Automotive Component Production

Automotive tier suppliers use B0 machines for high-volume production of fuel injection components, transmission parts, sensor housings, fasteners, and hydraulic fittings where cycle time, dimensional consistency, and material efficiency drive production economics. The simultaneous multi-axis machining capability reduces cycle time on complex automotive components with features on multiple surfaces. Bar feeder integration enables lights-out production during overnight and weekend shifts, reducing per-part labor costs on high-volume automotive contracts. The 32 mm and 38 mm B0 models handle the larger-diameter automotive components that exceed smaller Swiss lathe capacity.

Electronics and Connector Manufacturing

Electronics manufacturers and connector producers rely on B0 machines for precision contact pins, connector housings, sensor components, and electronic hardware requiring tight diameter tolerances and clean surface finishes on small parts. The high spindle speeds available on 12 mm and 20 mm models support the cutting speeds required for brass, copper alloys, and aluminum commonly used in electronics components. High tool density in the gang-type configuration enables complex connector geometries including turned profiles, cross-drilled features, and milled flats in single setups that maintain positional accuracy between features.

Watchmaking and Micromechanics

Horological manufacturers and micromechanical component producers use B0 machines, particularly the B075-III and 12 mm models, for watch components, clock mechanisms, and precision micromechanical parts where dimensions measured in tenths of millimeters define part function. The ceramic ball bearings and 15,000 RPM capability of the B075-III support the surface finish and roundness requirements of watch components machined from brass and steel. The compact footprint of B0 machines suits the controlled-environment workshops common in horological manufacturing.

Aerospace and Defense Components

Aerospace suppliers and defense contractors produce precision fasteners, hydraulic fittings, avionics components, and structural hardware on B0 machines where material certifications, dimensional traceability, and statistical process control support customer quality requirements. Titanium and high-strength alloy machining on B0 machines benefits from the rigid guide-bushing support that maintains workpiece stability under the cutting forces generated by difficult aerospace materials. The documentation capabilities of Fanuc control platforms support the data recording requirements of aerospace quality management systems.

Job Shops and Contract Precision Machining

Precision job shops and contract manufacturers deploy B0 machines to serve diverse customer part portfolios across medical, automotive, electronics, and industrial sectors. The convertible Swiss and chucker capability allows a single machine to accommodate varied part geometries from different customer programs. Fanuc control programming compatibility reduces setup time when moving programs between B0 machines and other Fanuc-equipped turning centers in mixed-equipment shops. The strong secondary market availability of B0 machines enables job shops to expand Swiss turning capacity incrementally as contract volume grows.

Pricing Factors for Used Tsugami B0 Machines

Multiple variables influence the secondary market value of used Tsugami B0 Swiss lathes. Understanding these factors helps buyers assess whether available equipment represents appropriate value for their requirements.

Bar Capacity and Model Series

Bar capacity is the primary specification determining B0 model suitability and directly affects secondary market positioning. Smaller-capacity 12 mm and 20 mm models serve different production requirements than 32 mm and 38 mm configurations, and pricing reflects this capability difference. Within each capacity category, the specific model generation and axis configuration further differentiate valuations based on machining capability.

Axis Count and Configuration

5-axis and 6-axis configurations command different valuations reflecting their respective machining capabilities. The Y2 axis on 6-axis models enables back milling operations that eliminate secondary operations for complex parts, generating production cost savings that buyers assess against acquisition cost differences. C-axis capability, optional on select models, adds contouring functionality relevant to specific part geometries and influences pricing accordingly.

Control Generation and Software Version

The Fanuc control generation present on used B0 machines affects integration compatibility and long-term support outlook. III-series machines with Fanuc 32i-B controls offer contemporary connectivity and software capabilities. Earlier II-series machines with Fanuc Oi-TD controls function reliably but may present limitations in networking and CAM software compatibility. Control generation should be evaluated against specific workflow requirements rather than treated as an absolute quality indicator.

Accumulated Hours and Maintenance History

Spindle hours, cutting hours, and total power-on time documented through machine counters provide objective indicators of accumulated wear. Secondary market listings increasingly include hour meter data allowing buyers to assess remaining service life relative to pricing. Complete maintenance records demonstrating regular cleaning, scheduled service, and genuine Tsugami consumable usage support buyer confidence and justify stronger seller pricing positions.

Included Accessories and Peripheral Equipment

Bar feeders represent the most significant accessory value in used B0 packages, as Swiss-type lathes operate most efficiently with magazine bar feeding enabling extended automated production. Bar feeder brands encountered with used B0 machines include LNS, FMB, Edge Technologies, and others. High-pressure coolant systems, mist collectors, chip conveyors, parts catchers, fire suppression systems, and additional guide bushing sets all contribute incremental value. Complete production-ready packages with all peripheral equipment command premium valuations over bare machines requiring separate accessory sourcing.

How to Select the Right Tsugami B0 Machine

Define Bar Capacity and Part Envelope Requirements

Establish maximum bar stock diameter across your complete anticipated part portfolio before evaluating specific B0 models. Bar capacity defines model selection and cannot be expanded beyond the machine's designed maximum. Confirm that maximum part diameter, machining length in Swiss mode, and maximum machining length in chucker mode accommodate your specific part dimensions including any components at the upper limit of your size range.

Determine Required Axis Configuration

Identify which axes are necessary to complete your target parts in a single setup. Parts requiring only OD turning, facing, drilling, and threading on one end can be produced on basic 2-axis configurations. Parts with cross-drilled holes, milled flats, or angular features require live tooling and C-axis capability. Parts with complex back-end features benefit from the Y2 axis available on 6-axis models. Mapping required operations to axis requirements prevents purchasing insufficient capability while avoiding premium payments for axes that add no value to your specific part portfolio.

Assess Compatibility with Existing Tooling and Bar Feeding

Verify that guide bushing sizes, gang tool holder styles, and back spindle tooling on target machines are compatible with existing tooling inventory. Tsugami-specific tooling and guide bushings are required for proper operation, and incompatible tooling necessitates additional investment before production can begin. Bar feeder interface compatibility should be confirmed if you intend to connect an existing bar feeder to an acquired machine, as interface specifications vary between machine generations and bar feeder brands.

Evaluate Control Generation Against Workflow Requirements

Confirm that the Fanuc control version on target machines supports your current CAM post-processor output, required canned cycles, and any custom macro programs used in your programming workflow. Verify network connectivity options if DNC operation or production monitoring integration is required. Assess whether the included control software version supports your required threading cycles, polygon turning options, and synchronization functions for simultaneous machining.

Review Accumulated Hours and Request Inspection

Request spindle hour counter data and cutting hour documentation before committing to acquisition. Arrange physical inspection by a qualified Swiss-type lathe technician to assess spindle runout, guide bushing wear, gang tool post condition, and axis positioning accuracy through test cuts. Verify bar feeder interface function and confirm that all included accessories operate correctly during powered demonstration. Inspection findings should inform pricing negotiations based on actual machine condition rather than seller descriptions alone.

Plan for Facility Requirements

Confirm that installation location provides adequate compressed air supply, electrical power matching machine specifications, coolant drainage, and mist collection capacity for Swiss lathe operation. Swiss-type lathes operating with cutting oil rather than water-based coolant require appropriate fire suppression provisions. Environmental temperature and humidity stability affect dimensional accuracy on precision Swiss work and should be considered when selecting installation locations within production facilities.

Buy Used Tsugami B0 Swiss-Type CNC Lathes on Exapro

Explore the current selection of used Tsugami B0 Swiss-type CNC automatic lathes available on Exapro and connect directly with verified sellers offering equipment suitable for precision medical device manufacturing, automotive component production, electronics machining, and high-volume bar turning applications. Access detailed machine specifications, review documented hour meter readings, evaluate included peripheral equipment, and contact sellers to discuss technical requirements and logistics coordination for your next Swiss turning investment.