CINCINNATI MILACRON 18U
USED CINCINNATI MILACRON 18U
The Cincinnati Milacron 18U is a robust CNC turning center designed for precision machining of medium-sized components in production and job shop environments. Manufactured by Cincinnati Milacron, a historic American builder known for durable industrial equipment, the 18U combines rigid construction, reliable spindle performance, and proven CNC controls. Although many of these machines were produced in the 1980s and 1990s, the 18U remains a respected option in the used market due to its mechanical durability and practical work envelope.
The 18U is typically configured with an 8-inch hydraulic chuck, 2-inch spindle bore, and a 12-station turret. It offers a maximum turning diameter of approximately 10 to 12 inches and a turning length of around 20 inches, making it suitable for shafts, bushings, couplings, valve components, and precision cylindrical parts. The machine is built on a heavy cast iron slant-bed structure that provides excellent rigidity and vibration damping, resulting in strong surface finishes and reliable dimensional consistency.
Most Cincinnati Milacron 18U machines are equipped with FANUC, Acramatic, or Siemens-based controls depending on age and retrofit history. Typical spindle speeds range from 3,500 to 4,500 RPM, powered by a 15 to 20 HP spindle motor. Common options include hydraulic tailstocks, chip conveyors, coolant systems, and bar feeder interfaces.
Industries that use the CINCINNATI MILACRON 18U include aerospace, automotive, hydraulics, medical, defense, and general contract machining. Typical parts include threaded fittings, bearing sleeves, bushings, valve bodies, and precision shafts.
Because these machines are known for their rugged construction and serviceable mechanical systems, the Cincinnati Milacron 18U remains an excellent choice for shops seeking dependable turning capacity at a highly affordable price.
CINCINNATI MILACRON 18U – AXIS
| Parameter | Specification |
|---|---|
| Number of Controlled Axes | 2 Axis |
| X Axis | Yes |
| Z Axis | Yes |
CINCINNATI MILACRON 18U – AXIS TRAVELS / WORK ENVELOPE
| Parameter | Specification |
|---|---|
| X Axis Travel | 180 mm (7.1″) |
| Z Axis Travel | 520 mm (20.5″) |
| Maximum Turning Diameter | 300 mm (11.8″) |
| Maximum Turning Length | 520 mm (20.5″) |
| Swing Over Bed | 460 mm (18.1″) |
| Swing Over Cross Slide | 250 mm (9.8″) |
CINCINNATI MILACRON 18U – CAPACITY / TABLE
| Parameter | Specification |
|---|---|
| Chuck Size | 8″ Hydraulic Chuck |
| Bar Capacity | 52 mm (2.0″) |
| Spindle Bore | 62 mm (2.44″) |
| Tailstock | Optional Hydraulic Tailstock |
| Tailstock Taper | MT #4 |
CINCINNATI MILACRON 18U – SPINDLE
| Parameter | Specification |
|---|---|
| Maximum Spindle Speed | 4,000 RPM |
| Spindle Motor | 15 – 20 HP |
| Spindle Nose | A2-6 |
| Drive Type | AC Variable Speed |
CINCINNATI MILACRON 18U – TOOL CHANGER
| Parameter | Specification |
|---|---|
| Turret Stations | 10 – 12 |
| Turret Type | Hydraulic or Servo |
| OD Tool Capacity | 1″ |
| ID Tool Capacity | 1.5″ |
CINCINNATI MILACRON 18U – CONTROL SYSTEM
| Parameter | Specification |
|---|---|
| CNC Control | FANUC / Acramatic / Siemens |
| Programming | ISO G-Code |
| Data Transfer | RS-232 |
| Diagnostics | Standard |
CINCINNATI MILACRON 18U – COOLANT / DUST / WATER MANAGEMENT
| Parameter | Specification |
|---|---|
| Flood Coolant System | Standard |
| Chip Conveyor | Optional |
| Automatic Lubrication | Standard |
| Bar Feeder Interface | Common |
CINCINNATI MILACRON 18U – POWER REQUIREMENTS
| Parameter | Specification |
|---|---|
| Electrical Requirement | 220V or 480V / 3 Phase |
| Connected Load | 25 – 40 kVA |
| Air Requirement | 90 PSI |
CINCINNATI MILACRON 18U – DIMENSIONS
| Parameter | Specification |
|---|---|
| Machine Length | 2,800 mm (110″) |
| Machine Width | 1,700 mm (67″) |
| Machine Height | 1,900 mm (75″) |
| Machine Weight | 4,000 – 5,000 kg (8,800 – 11,000 lbs) |
CINCINNATI MILACRON 18U – GENERAL INFORMATION
| Parameter | Specification |
|---|---|
| Manufacturer | Cincinnati Milacron |
| Model | 18U |
| Machine Type | CNC Turning Center |
| Country of Manufacture | USA |
| Typical Condition | Production Ready or Retrofit |
INDUSTRIES THAT USE CINCINNATI MILACRON 18U
- Aerospace
- Automotive
- Medical Device Manufacturing
- Hydraulics and Pneumatics
- Defense
- Agricultural Equipment
- Tool and Die
- Precision Contract Machining
- Industrial Equipment
- General Manufacturing
TYPICAL PARTS CINCINNATI MILACRON 18U CAN PRODUCE
- Bushings
- Sleeves
- Precision Shafts
- Valve Components
- Hydraulic Fittings
- Bearing Spacers
- Threaded Adapters
- Couplings
- Sensor Housings
- Pump Components
- Custom Prototype Parts
- Production Turned Parts
WHY CHOOSE CINCINNATI MILACRON 18U
The CINCINNATI MILACRON 18U is known for its rugged American-built construction and long service life. Its heavy cast iron base and stable spindle system allow accurate machining with minimal vibration.
The machine offers a practical balance of capacity and footprint, making it suitable for both production work and job shop applications. Many units have been retrofitted with modern controls, extending their usefulness and simplifying maintenance.
For shops seeking a dependable CNC lathe with proven durability, the Cincinnati Milacron 18U remains an excellent value.
WHY BUY USED CINCINNATI MILACRON 18U
Purchasing a used CINCINNATI MILACRON 18U is a cost-effective way to add reliable CNC turning capability to your operation. These machines are widely available at attractive prices and often include hydraulic chucks, tailstocks, tooling, and upgraded controls.
Because the 18U was designed with serviceability in mind, mechanical repairs and retrofit projects are generally straightforward. Shops can modernize older machines with new electronics while retaining the rigid original casting.
Used machines are ideal for prototype work, small production runs, and secondary turning operations where a dependable lathe is required without a large capital investment.
For buyers seeking a practical and proven CNC turning center, the used Cincinnati Milacron 18U offers strong performance and excellent return on investment.
HOW MUCH DOES A USED CINCINNATI MILACRON 18U COST?
The price of a used CINCINNATI MILACRON 18U depends on control type, retrofit status, spindle condition, and included accessories.
USED CINCINNATI MILACRON 18U PRICE GUIDE
| Condition | Estimated Price Range (USD) |
|---|---|
| Fully Retrofitted and Excellent | $18,000 – $45,000 |
| Very Good Condition | $10,000 – $25,000 |
| Standard Production Condition | $5,000 – $15,000 |
| Older or Needs Repair | $1,500 – $7,500 |
NEW VS USED COST COMPARISON
| Purchase Type | Estimated Cost (USD) |
|---|---|
| New Comparable CNC Turning Center | $90,000 – $180,000+ |
| Used Model | $1,500 – $45,000 |
Pricing is strongly influenced by whether the machine retains its original control or has been retrofitted with FANUC or other modern systems. Buyers should inspect spindle bearings, turret indexing, ball screws, and electrical systems before purchase.
For manufacturers seeking a durable and affordable CNC lathe, the used CINCINNATI MILACRON 18U delivers dependable machining performance and outstanding overall value.
