Mazak QUICK TURN 450M
Key Specifications
X Travel
Z Travel
max turning diameter
max machining length
swing over bed
bar capacity
Overview
The Mazak QUICK TURN 450M is a large-capacity CNC turning center with live tooling and C-axis, built for shops machining big parts that need cross-drilling, tapping, and milling features without moving heavy workpieces to a separate VMC. The 450M delivers the 15-inch chuck capacity and 30 kW spindle of the QT-450 platform with milling at the most accessible price point in the 450 family.
The main spindle delivers 30 kW (40 hp) at 3,300 RPM through an A2-11 spindle nose with 102 mm (4.02 in) bar capacity. That power handles heavy roughing in steel, stainless, and cast iron at the large diameters this machine is designed for. The 12-station BMT turret runs live tools at 6,000 RPM with 5.5 kW (7.4 hp), providing cross-drilling, tapping, and flat milling capability.
The work envelope covers 580 mm (22.83 in) maximum turning diameter and 1,020 mm (40.16 in) maximum machining length with axis travels of 310 mm on X and 1,100 mm on Z. Rapid traverse rates reach 24 m/min on both axes. At approximately 8,800 kg (19,401 lb), the QT-450M is a substantial machine that provides excellent vibration damping for interrupted cuts.
MAZATROL SmoothG handles programming with conversational and G-code modes on a 15-inch touchscreen. The control's 3D machining simulation is particularly valuable on a machine this size where toolpath verification prevents expensive crashes with large workpieces.
The QT-450M competes with the Okuma LB4000 EX II M, Doosan Puma 4000M, and Haas ST-40. It costs more than the Haas but delivers stronger milling performance with BMT tooling and a more powerful live tool spindle. New pricing typically falls between $180,000 and $280,000, with used units from the last 5-10 years trading between $75,000 and $170,000. Specs sourced from Mazak Corporation published data.
Full Specifications
| Parameter | Value |
|---|---|
| Max Turning Diameter | 580 mm (22.83 in) |
| Max Machining Length | 23.8โณ / 62.72โณ |
| Swing Over Bed | 830 mm (32.68 in) |
| Bar Capacity | 102 mm (4.02 in) |
| X-Axis Travel | 310 mm (12.20 in) |
| Z-Axis Travel | 1,100 mm (43.31 in) |
| Main Spindle Speed | 3,300 RPM |
| Main Spindle Power | 30 kW (40 hp) |
| Main Spindle Nose | A2-11 |
| Live Tool Speed | 6,000 RPM |
| Live Tool Power | 5.5 kW (7.4 hp) |
| Tool Stations | 12 (BMT turret) |
| Turret Type | BMT live tooling |
| Chuck Size | 18" |
| Rapid Traverse X | 24 m/min (945 ipm) |
| Rapid Traverse Z | 24 m/min (945 ipm) |
| Tailstock | Hydraulic, programmable (optional) |
| CNC Control | MAZATROL SmoothG |
| Machine Weight | 8,800 kg (19,401 lb) |
| Max Machining Diameter | ฮฆ14.75โณ |
Specifications sourced from mazak.com โ verified 2026-03-28
Strengths & Limitations
Strengths
- 30 kW spindle with 15-inch chuck and 102 mm bar capacity handles the largest workpieces in the Quick Turn lineup
- 1,020 mm maximum machining length covers both large chucking work and long shaft jobs with tailstock support
- BMT live tooling at 6,000 RPM provides solid milling capability for cross-drilling and tapping large parts
- Lower cost than the QT-450MY by omitting Y-axis while retaining full C-axis and live tooling capability
- 8,800 kg machine mass provides excellent vibration damping for interrupted cuts and heavy roughing
- MAZATROL SmoothG with 3D simulation is essential for verifying toolpaths on expensive large workpieces
Limitations
- No Y-axis limits milling to features on or near the part centerline; off-center work requires the QT-450MY
- 8,800 kg machine weight requires reinforced concrete foundation and specialized rigging for installation
- 3,300 RPM spindle speed limits surface speed on small-diameter features; not suited for high-speed work
- 24 m/min rapids are moderate; long Z-axis moves add non-cutting time compared to faster machines
Best For
Frequently Asked Questions
01
New pricing typically falls between $180,000 and $280,000 depending on options. Adding tailstock, steady rest, high-pressure coolant, and bar feeder integration pushes the total higher. Used units from the last 5-10 years trade between $75,000 and $170,000.
02
The QT-450M has C-axis and live tooling for centerline milling. The QT-450MY adds Y-axis with 130 mm of off-center travel. The Y-axis adds $30,000-$50,000 to the price. Choose the MY if your parts regularly have off-center milled features.
03
At 8,800 kg, the QT-450M requires a reinforced concrete foundation typically 250-300 mm thick with proper isolation pads. Mazak provides foundation drawings with the quotation. Budget $8,000-$15,000 for foundation preparation depending on existing floor conditions.
04
The Haas ST-40 costs 25-35% less but the Mazak delivers stronger milling capability with BMT tooling, a more sophisticated SmoothG control, and better build quality for heavy-duty production. The Haas is a better value for basic turning; the Mazak justifies its premium when milling quality matters.
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