MITSUI SEIKI HU-40 – 2004
USED MITSUI SEIKI HU-40 – 2004
The 2004 MITSUI SEIKI HU-40 is a premium Japanese-built horizontal machining center engineered for extremely precise and high-speed machining of complex components. Manufactured by Mitsui Seiki Kogyo Co., Ltd., the HU-40 series is renowned throughout the aerospace, medical, and precision engineering industries for its exceptional rigidity, thermal stability, and sub-micron accuracy. Shops that demand uncompromising precision and long-term reliability often consider the HU-40 one of the finest 400 mm pallet horizontal machining centers ever produced.
The HU-40 is typically configured with dual 400 mm pallets, a full 4th-axis rotary table, and high-speed BT40 or CAT 40 spindle. Standard axis travels are approximately 560 mm (22″) in X, Y, and Z, although some HU-40T variants offer extended Z travel up to 710 mm (28″). The machine is designed with hardened box ways, hand-scraped mating surfaces, and advanced thermal compensation systems to maintain geometric accuracy over long production cycles. This design makes it particularly well suited for machining high-value components with tight tolerance requirements.
Many 2004 HU-40 machines are equipped with FANUC 16i-M or 15i-M controls and spindle speeds ranging from 12,000 to 20,000 RPM. Tool capacities commonly range from 60 to 240 tools, and standard equipment includes an automatic pallet changer, chip conveyor, and flood coolant system. Optional features may include through-spindle coolant, probing systems, and large matrix tool magazines.
Industries using the MITSUI SEIKI HU-40 include aerospace, defense, medical, semiconductor, energy, and high-precision contract machining. Typical parts include turbine components, valve bodies, orthopedic implants, hydraulic manifolds, and complex multi-face parts.
The 2004 MITSUI SEIKI HU-40 remains one of the most respected horizontal machining centers in the used CNC market because of its extraordinary accuracy, rugged construction, and premium Japanese engineering.
MITSUI SEIKI HU-40 – AXIS
| Parameter | Specification |
|---|---|
| Number of Controlled Axes | 4 Axis (X, Y, Z, B) |
| X Axis | Yes |
| Y Axis | Yes |
| Z Axis | Yes |
| B Axis Rotary Table | 360° Indexing |
MITSUI SEIKI HU-40 – AXIS TRAVELS / WORK ENVELOPE
| Parameter | Specification |
|---|---|
| X Axis Travel | 560 mm (22.0″) |
| Y Axis Travel | 560 mm (22.0″) |
| Z Axis Travel | 560 – 710 mm (22.0″ – 28.0″) |
| Maximum Workpiece Diameter | 600 mm (23.6″) |
| Maximum Workpiece Height | 800 mm (31.5″) |
| Rapid Traverse Rate | 36 m/min (1,417 IPM) |
MITSUI SEIKI HU-40 – CAPACITY / TABLE
| Parameter | Specification |
|---|---|
| Pallet Size | 400 × 400 mm (15.7″ × 15.7″) |
| Number of Pallets | 2 |
| Maximum Pallet Load | 400 kg (880 lbs) |
| Pallet Indexing Increment | 0.001° |
MITSUI SEIKI HU-40 – SPINDLE
| Parameter | Specification |
|---|---|
| Maximum Spindle Speed | 12,000 – 20,000 RPM |
| Spindle Motor | 30 HP (22 kW) |
| Spindle Taper | BT40 / CAT 40 |
| Drive Type | Built-In High-Speed Spindle |
MITSUI SEIKI HU-40 – TOOL CHANGER
| Parameter | Specification |
|---|---|
| Standard Tool Capacity | 60 Tools |
| Optional Tool Capacity | Up to 240 Tools |
| Tool Change Type | Automatic Tool Changer |
| Tool-to-Tool Time | Approximately 1.5 – 2.5 sec |
MITSUI SEIKI HU-40 – CONTROL SYSTEM
| Parameter | Specification |
|---|---|
| CNC Control | FANUC 15i-M / 16i-M |
| Programming | ISO G-Code |
| Thermal Compensation | Standard |
| Networking | Ethernet / RS-232 |
MITSUI SEIKI HU-40 – COOLANT / DUST / WATER MANAGEMENT
| Parameter | Specification |
|---|---|
| Flood Coolant System | Standard |
| Through-Spindle Coolant | Optional |
| Chip Conveyor | Standard |
| Probing System | Optional |
MITSUI SEIKI HU-40 – POWER REQUIREMENTS
| Parameter | Specification |
|---|---|
| Electrical Requirement | 200–220V or 480V / 3 Phase |
| Connected Load | 40 – 60 kVA |
| Air Requirement | 90 PSI |
MITSUI SEIKI HU-40 – DIMENSIONS
| Parameter | Specification |
|---|---|
| Machine Length | 4,800 mm (189″) |
| Machine Width | 2,800 mm (110″) |
| Machine Height | 2,800 mm (110″) |
| Machine Weight | 10,500 – 11,500 kg (23,000 – 25,500 lbs) |
MITSUI SEIKI HU-40 – GENERAL INFORMATION
| Parameter | Specification |
|---|---|
| Manufacturer | Mitsui Seiki Kogyo Co., Ltd. |
| Model | HU-40 |
| Year | 2004 |
| Machine Type | Horizontal Machining Center |
| Country of Manufacture | Japan |
| Typical Condition | Production Ready |
INDUSTRIES THAT USE MITSUI SEIKI HU-40
- Aerospace
- Defense
- Medical Device Manufacturing
- Semiconductor Equipment
- Energy
- Automotive
- Hydraulics and Pneumatics
- Precision Contract Machining
- Tool and Fixture Building
- General Manufacturing
TYPICAL PARTS MITSUI SEIKI HU-40 CAN PRODUCE
- Turbine Components
- Hydraulic Manifolds
- Valve Bodies
- Orthopedic Implants
- Aerospace Brackets
- Pump Housings
- Precision Fixtures
- Semiconductor Components
- Medical Instruments
- Multi-Face Production Parts
- Structural Components
- Complex Machined Parts
WHY CHOOSE MITSUI SEIKI HU-40
The MITSUI SEIKI HU-40 is widely regarded as one of the most accurate and stable horizontal machining centers in its class. Its hand-scraped box-way construction and advanced thermal compensation systems enable the machine to maintain tight tolerances even during long machining cycles.
The dual-pallet system increases spindle utilization by allowing operators to load one pallet while the other is in production. Combined with high-speed spindle options and large tool magazines, the HU-40 delivers outstanding throughput and flexibility.
For manufacturers machining critical components where precision is essential, the HU-40 offers premium Japanese engineering and exceptional long-term performance.
WHY BUY USED MITSUI SEIKI HU-40
Purchasing a used MITSUI SEIKI HU-40 – 2004 is an excellent way to obtain world-class horizontal machining capability at a fraction of the cost of a new ultra-precision machine. Comparable new machines with similar thermal stability and accuracy can cost several hundred thousand dollars.
Many used HU-40 machines include through-spindle coolant, probing systems, tombstones, extensive tooling, and large matrix magazines. These accessories can significantly reduce installation costs and improve production readiness.
Mitsui Seiki machines are highly respected for longevity and precision. Well-maintained machines continue to hold tight tolerances for many years, making them particularly attractive for aerospace and medical applications.
For shops requiring unmatched accuracy and dependable automation, the used MITSUI SEIKI HU-40 delivers exceptional productivity and return on investment.
HOW MUCH DOES A USED MITSUI SEIKI HU-40 COST?
The price of a used MITSUI SEIKI HU-40 – 2004 depends on spindle speed, tool capacity, installed options, and overall machine condition.
USED MITSUI SEIKI HU-40 PRICE GUIDE
| Condition | Estimated Price Range (USD) |
|---|---|
| Excellent, Fully Equipped | $120,000 – $350,000 |
| Very Good Condition | $80,000 – $180,000 |
| Standard Production Condition | $50,000 – $110,000 |
| Higher Hours or Needs Repair | $25,000 – $70,000 |
NEW VS USED COST COMPARISON
| Purchase Type | Estimated Cost (USD) |
|---|---|
| New Comparable Precision Horizontal Machining Center | $500,000 – $1,200,000+ |
| Used 2004 Model | $25,000 – $350,000 |
Pricing is affected by spindle condition, pallet changer health, control software version, and included options such as probing and through-spindle coolant. Buyers should inspect spindle bearings, axis repeatability, pallet indexing accuracy, and thermal compensation functionality before purchase.
For manufacturers seeking one of the most accurate horizontal machining centers available, the used MITSUI SEIKI HU-40 provides world-class precision, reliability, and exceptional overall value.
