Cincinnati — Machine Tools and Machining Centers

We supply Cincinnati machining centers, precision CNC lathes, and original replacement components: turnkey configurations selected to match your engineering drawings and batch cycles.

Arrow Vertical Machining Centers

The Arrow series (Arrow 500, 750, 1000, 1250) provides versatile vertical CNC machining centers powered by Acramatic 2100 controls. We supply complete machines, spindle cartridges, 21-station tool carousels, axis drive modules, and bearing sets.

Models: Arrow 500, Arrow 750, Arrow 1000, Arrow 1250, Arrow 2000.
BT40 or CAT40 spindle tapers delivering speeds up to 8,000 rpm.
Real-time Acramatic 2100 CNC open-architecture control system.
21-station drum-type automatic tool changer for fast cycle times.

Sabre Heavy-Duty Machining Centers

The Sabre series (Sabre 750, 1000, 1250) is engineered for heavy milling of alloy steels and cast iron. Features high-torque geared spindles, hardened box ways or heavy roller guides, and integrated Acramatic CNC controls.

Models: Sabre 750, Sabre 1000, Sabre 1250, Sabre 2000.
Two-range high-torque spindle drive for heavy metal removal.
Wide rigid Meehanite machine bed for maximum vibration damping.
24 or 30-pocket automatic tool magazine with dual-arm gripper.

Smart-E Vertical Machining Centers

The Smart-E series (Smart-E 1000, 1200, 1600) represents modern vertical milling centers built on Meehanite casting with direct-drive spindles. We supply complete machines, coolant-through-spindle (CTS) systems, and 4th-axis rotary tables.

Models: Smart-E 1000, Smart-E 1200, Smart-E 1600.
Direct-drive BT40 or BT50 spindles running up to 12,000 rpm.
Heavy-duty precision linear roller guideways on X, Y, and Z axes.
Servo-driven arm-type tool changer completing swaps in 1.8 seconds.

HMC and Maxim Horizontal Centers

Cincinnati horizontal machining centers (Maxim 500, 630, HMC 800) are built for multi-face machining of complex prismatic parts. Equipped with B-axis rotary tables, automatic pallet changers, and through-spindle coolant up to 70 bar.

Models: Maxim 500, Maxim 630, HMC 800, HPC series.
Twin 0°/180° rotary pallet changer for non-stop part handling.
High-torque BT50 spindle units with active thermal stabilization.
Rotary indexing table with 1° or continuous 0.001° 4th-axis resolution.

Hawk CNC Turning Centers

The Hawk series (Hawk 150, Hawk 200, Hawk 250) features rigid CNC turning centers with a 30° true slant bed casting. We supply VDI turrets, hydraulic 3-jaw chucks, programmable tailstocks, and Fanuc or Acramatic axis drives.

Models: Hawk 150, Hawk 200, Hawk 250, Hawk 300, Avenger.
30° one-piece slant bed casting providing rigidity and chip flow.
12-position hydraulic indexing turret accepting VDI 30 / VDI 40 tooling.
Precision spindle assembly with bar capacity up to 75 mm bore.

Cobra Precision Engine Lathes

The Cobra series comprises universal and heavy-duty precision engine lathes built on solid cast iron beds with induction-hardened guideways. We supply machines, Camlock chucks, steady rests, and digital readout (DRO) systems.

Models: Cobra 16, Cobra 20, Cobra 26, Python, Anaconda.
Induction-hardened and precision-ground bed guideways.
Spindle nose configuration Camlock D1-6 or D1-8.
Universal gearbox providing metric, imperial, diametral, and module threads.

Cincinnati Centerless Grinding Machines

Cincinnati Centerless Grinders represent the global industrial benchmark for precision thru-feed and in-feed cylindrical finishing of shafts, pins, and bearing rings. Fitted with Filmatic hydrodynamic bearings and automated wheel dressers.

Models: Centerless TwinGrip, Viking, RK, R125, Monaset.
Filmatic hydrodynamic multi-shoe spindle bearings for zero play.
Thru-feed and in-feed grinding configurations for high batch output.
Automated precision dressers for grinding and regulating wheels.

Spindles, Ballscrews, and Acramatic CNC Parts

Genuine spare parts and replacement electronics for Cincinnati machinery. We source spindle cartridges, precision ballscrews, angular contact bearings, Acramatic 2100 processor boards, servo amplifiers, and feedback encoders.

Spindle cartridge assemblies BT40, CAT40, BT50 with P4/ABEC 7 bearings.
Precision-ground preloaded ball screw assemblies for X, Y, Z axes.
Acramatic 2100 real-time CPU boards, axis cards, and flash drives.
Servo motors, tachometers, rotary encoders, and telescopic way covers.

Selecting Cincinnati Machining Centers for Production

Cincinnati represents one of the most respected names in heavy-duty and precision metal cutting. Selecting an optimal machining center requires careful evaluation of workpiece dimensions, cutting dynamics, material machinability, and production volumes.

The lineup covers versatile vertical centers as well as heavy horizontal production platforms.

For tooling shops and batch production of aluminum and steel components, vertical machining centers like the Arrow and Smart-E series provide high agility, direct-drive spindle response, and rapid tool exchanges.

For high-volume automotive and energy castings, heavy horizontal centers with dual pallet changers eliminate setup idle time.

Vertical Machining Center Configurations: Arrow Versus Sabre

The vertical milling architecture in the Cincinnati family offers distinct approaches tailored to cutting intensity.

The Arrow series is optimized for agile general-purpose machining, featuring axis rapid traverse rates up to 24–30 m/min, dynamic servo motors, and a compact 21-tool drum-type carousel.

The Sabre series is built for uncompromising metal removal rates.

Featuring wider Meehanite cast beds, induction-hardened box guideways, and high-torque two-speed geared spindle cartridges, Sabre platforms excel in roughing tough stainless steels, titanium alloys, and heavy cast iron blocks without vibration.

Precision Spindle Cartridge Assemblies and Bearings

Cincinnati milling centers incorporate modular cartridge-type spindle designs that facilitate fast field replacement and precision servicing.

Spindle bearings consist of preloaded angular contact ball bearing sets manufactured to ABEC 7 (ISO P4) tolerances by premium suppliers including FAG, SKF, and Timken.

To prevent axial thermal expansion during prolonged high-speed cycles, spindles feature closed-loop jacket liquid cooling and precision air-oil mist or synthetic grease lubrication. Every replacement spindle assembly is dynamically balanced to ensure mirror surface finishes and long cutter life.

Ground Ballscrews and High-Load Linear Guideways

Machine axes glide on high-rigidity linear roller or ball guideways sized for maximum dynamic stability and damping. Motion is driven by precision-ground ball screws featuring preloaded double nuts to eliminate axial backlash and guarantee precise positioning under heavy cutting forces.

To safeguard guideways from harsh chips and coolants, telescoping stainless steel way covers with polyurethane wipers enclose all axes. An automated metered lubrication system dispenses measured oil pulses to all runner blocks and screw nuts at programmed operating intervals.

Acramatic 2100 Real-Time Open-Architecture CNC Automation

The Acramatic 2100 control remains a benchmark in industrial real-time machine automation, integrating real-time motion control with an intuitive graphical interface. It provides advanced spline contouring, look-ahead trajectory processing, and integrated diagnostics for fast troubleshooting.

We supply genuine replacement CPU processor boards, axis interface cards, I/O distribution boards, power supply modules, and solid-state IDE flash memory units that modernize data storage and eliminate legacy mechanical hard drive vulnerabilities on installed machines.

Hawk Slant-Bed CNC Lathes: Hydraulics and Turrets

Cincinnati Hawk 150, 200, and 250 turning centers are constructed on a rigid 30-degree true slant bed casting. This configuration provides superior torsional rigidity, excellent thermal stability, and an unobstructed gravity-assisted path for swarf evacuation into the chip conveyor.

A 12-position heavy-duty hydraulic indexing turret accommodates VDI 30 or VDI 40 toolholders, achieving adjacent station indexing in 0.3 seconds. Precision hydraulic cylinders actuate 3-jaw power chucks and programmable tailstocks for stable bar and shaft turning.

Cincinnati Centerless Grinding Systems: Filmatic Bearings

Cincinnati Centerless Grinders are universally recognized benchmarks in high-production cylindrical finishing for automotive wrist pins, hydraulic spool valves, drill blanks, and bearing rings, achieving roundness and tolerances within sub-micron limits.

The proprietary Filmatic hydrodynamic bearing system suspends the grinding wheel spindle on high-pressure wedge-shaped oil films without metal-to-metal contact, delivering virtually infinite bearing service life, zero spindle play, and unmatched chatter-free surface grinding.

Through-Spindle High-Pressure Coolant and Chip Handling

Efficient thermal evacuation at the cutting edge is vital for tool longevity and workpiece dimensional consistency. Cincinnati machining centers support through-spindle coolant (CTS) options delivering filtered fluid at pressures up to 20 to 70 bar directly to deep drills and end mills.

The system comprises high-pressure multi-stage pumps, Deublin rotary unions, cyclonic separators, and automatic paper-band filtration tanks. We provide genuine pump maintenance kits, rotary seal cartridges, filter media, and coolant washdown components.

Toolholding Systems, Collet Chucks, and Adapters

High-performance cutting on Cincinnati Arrow and Sabre machines relies on balanced toolholders. We supply precision ER collet chucks, Weldon end mill holders, face mill arbors, and high-precision hydraulic expansion chucks.

All toolholders are dynamically balanced to ISO 1940 standards for vibration-free cutting at elevated spindle speeds. We deliver retention pull studs, collet sets, and reduction sleeves matching BT40 and CAT40 spindle tapers.

Machine availability, options, lead times, and commercial terms are calculated individually per technical project. Component, spindle cartridge, and CNC board compatibility are verified against factory serial numbers.