MAZAK QTE-300MY SG
USED MAZAK QTE-300MY SG
The Mazak QTE-300MY SG is a high-rigidity, multi-tasking CNC turning center designed for efficient complete-part machining in a single setup. It integrates turning, milling, and Y-axis capability with a powerful main spindle system, making it suitable for complex components that require off-center machining and secondary operations without repositioning. Built on Mazak’s proven QTE platform, the machine uses an integrated motor spindle design that eliminates belts and gears, reducing vibration, improving thermal stability, and ensuring consistent torque delivery even at low speeds. This results in better surface finish, higher dimensional accuracy, and improved tool life during long production runs.
The “MY” configuration combines milling and Y-axis functionality with a second spindle option, allowing partial or complete part transfer between spindles for continuous machining. This significantly reduces cycle time and eliminates manual intervention between operations. The machine typically uses a 10-inch chuck with a maximum machining diameter of around 340 mm and a long bed design suitable for shafts, housings, and medium-to-large precision parts.
The Mazatrol SmoothEz control system is a key feature, offering conversational programming, touchscreen operation, and simulation-based setup. This reduces programming time and makes the machine highly efficient for job shops and medium-volume production environments where frequent changeovers are required.
The turret system provides high rigidity and fast indexing, typically with 8 or 12 station configurations, supporting both turning and live tooling operations. Combined with Y-axis movement, it enables complex contouring, drilling, and milling on off-center features without additional setups.
Automation readiness is another advantage, with compatibility for bar feeders, robotic loading systems, and chip conveyors. This makes the QTE-300MY SG suitable for modern lean manufacturing and lights-out production strategies.
Overall, the QTE-300MY SG is widely used in automotive, aerospace, and general engineering industries due to its ability to balance productivity, flexibility, and precision in a compact footprint.
MAZAK QTE-300MY SG SPECIFICATIONS
| MAZAK QTE-300MY SG – AXIS |
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| Number of Axes: 4 (X, Z, Y, C) |
| X-Axis: Cross slide movement |
| Z-Axis: Longitudinal movement |
| Y-Axis: Off-center milling capability |
| C-Axis: Spindle indexing for milling |
| Live Tooling Capability: Yes |
| Multi-tasking Capability: Turning + Milling |
| MAZAK QTE-300MY SG – AXIS TRAVELS |
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| X-Axis Travel: Approx. 215 mm |
| Z-Axis Travel: Approx. 605 mm (up to ~1155 mm long bed) |
| Y-Axis Travel: Approx. ±50 mm (100 mm total) |
| Rapid Traverse (X/Z): Up to 30 m/min |
| Rapid Traverse (Y): Approx. 10 m/min |
| MAZAK QTE-300MY SG – CAPACITY |
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| Maximum Turning Diameter: Approx. 340 mm |
| Maximum Turning Length: Approx. 1054 mm |
| Maximum Bar Capacity: Approx. 80 mm |
| Chuck Size: 10 inch |
| Swing Over Bed: Approx. 695–728 mm |
| MAZAK QTE-300MY SG – SPINDLE |
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| Main Spindle Speed: Up to 4,000 RPM |
| Spindle Nose: A2-8 |
| Spindle Bore: Approx. 90 mm |
| Spindle Motor Power: Approx. 18.5 kW |
| Built-in Motor Spindle: Yes (high torque, low vibration) |
| C-Axis Indexing: High precision (0.0001° increments) |
| MAZAK QTE-300MY SG – TABLE |
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| Table Type: Slant Bed |
| Bed Angle: Approx. 30° |
| Guideways: Box guideways |
| Construction: High rigidity structure |
| Designed for multi-tasking machining |
| MAZAK QTE-300MY SG – TOOL TURRET |
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| Number of Stations: 12 |
| Turret Type: Drum turret |
| Live Tool Stations: Yes |
| Tool Mounting: Bolt-on rigid system |
| Driven Tool Speed: Up to 4,500 RPM (6,000 optional) |
| MAZAK QTE-300MY SG – FEEDRATES |
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| Rapid Traverse (X/Z): Approx. 30 m/min |
| Cutting Feed Rate: Programmable |
| Y-Axis Feed: Optimized for milling |
| Feed Control: CNC precision |
| Smooth acceleration/deceleration |
| MAZAK QTE-300MY SG – COOLANT & CHIP MANAGEMENT |
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| Coolant System: Flood coolant |
| Coolant Tank Capacity: Approx. 250 L |
| Chip Conveyor: Optional |
| Chip Handling: Suitable for continuous production |
| Filtration: Standard system |
| MAZAK QTE-300MY SG – CONTROL SYSTEM |
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| CNC Control: Mazatrol SmoothEz |
| Programming: Conversational + G-code |
| Interface: Touchscreen |
| Digital Setup Capability: Yes |
| Networking: Ethernet capable |
| MAZAK QTE-300MY SG – POWER & AIR REQUIREMENTS |
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| Power Requirement: Approx. 35–40 kVA |
| Voltage: 3 Phase |
| Air Pressure: Approx. 5–6 bar |
| Air Consumption: Moderate |
| Energy Efficiency: Optimized system |
| MAZAK QTE-300MY SG – DIMENSIONS |
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| Machine Length: Approx. 2,700–3,200 mm |
| Machine Width: Approx. 1,700–2,000 mm |
| Machine Height: Approx. 1,700–2,000 mm |
| Machine Weight: Approx. 4,800–6,500 kg |
| Floor Space: Compact for its capacity |
| MAZAK QTE-300MY SG – GENERAL INFORMATION |
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| Machine Type: CNC Turning Center with Milling & Y-Axis |
| Manufacturer: Mazak |
| Series: Quick Turn Smart (QTE SG) |
| Capability: Turning + milling (no sub-spindle) |
| Build: Compact, high rigidity design |
| Automation: Bar feeder & robotic integration ready |
| INDUSTRIES THAT USE MAZAK QTE-300MY SG |
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| Automotive Industry |
| Aerospace |
| Oil & Gas |
| Heavy Equipment Manufacturing |
| Medical Device Manufacturing |
| General Engineering |
| TYPICAL PARTS MAZAK QTE-300MY SG CAN PRODUCE |
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| Long Shafts with Milling Features |
| Flanges with Cross Holes |
| Valve Bodies |
| Hydraulic Components |
| Threaded & Keyway Parts |
| Complex Turn-Mill Components |
| WHY CHOOSE MAZAK QTE-300MY SG |
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| Y-axis enables off-center machining |
| Live tooling reduces secondary operations |
| High rigidity for long part machining |
| Built-in spindle ensures superior finish |
| Mazatrol control simplifies programming |
| Ideal for complex medium-to-high volume production |
WHY BUY USED MAZAK QTE-300MY SG
Buying a used Mazak QTE-300MY SG is a highly practical option for manufacturers looking to access advanced multi-tasking machining capabilities without the high investment cost of new equipment. This model offers turning, milling, Y-axis machining, and optional sub-spindle capability, allowing multiple operations to be completed in a single setup, which significantly reduces cycle time and labor requirements.
One of the most critical factors when evaluating a used machine is cutting hours. Machines with low usage (typically under 5,000–10,000 hours) generally maintain excellent spindle accuracy, stable Y-axis movement, and precise turret indexing. These are ideal for high-precision production. Mid-hour machines (10,000–25,000 hours) are commonly used in job shops and still offer strong reliability for general machining applications, provided maintenance has been properly carried out. High-hour machines (25,000+ hours) may require inspection of spindle bearings, turret backlash, and axis wear, but can still be effective for roughing or less tolerance-sensitive production.
A major advantage of buying used is reduced capital expenditure. Since most depreciation occurs in the early years, buyers can acquire advanced automation and multi-axis functionality at a significantly lower cost. This improves ROI and allows smaller shops to compete with larger manufacturers by reducing per-part machining time.
Mazak machines are also known for long service life and strong global support, and the Mazatrol SmoothEz control system remains widely used and operator-friendly. This makes older machines easier to integrate into existing production environments without extensive retraining.
Additionally, many used QTE-300MY SG machines already include valuable options such as bar feeders, chip conveyors, or coolant systems, further reducing setup cost.
Overall, buying used provides a strong balance of performance, affordability, and reliability, making the QTE-300MY SG a smart choice for shops aiming to expand capability while controlling investment risk.
HOW MUCH DOES A USED MAZAK QTE-300MY SG COST?
The price of a used Mazak QTE-300MY SG varies significantly depending on manufacturing year, machine condition, configuration, and cutting hours. Because this model includes milling and Y-axis functionality with optional sub-spindle capability, it holds strong value in the used CNC market compared to simpler turning centers.
For newer machines manufactured between 2015 and 2025, prices typically range from approximately $125,000 to $195,000. These machines usually have low cutting hours, modern Mazatrol SmoothEz controls, and may include automation features such as bar feeders, robotic loaders, and chip conveyors. Units at the higher end of this range are often near-new condition and suitable for high-volume production with minimal downtime.
For mid-generation machines built between 2005 and 2015, typical prices fall between $65,000 and $120,000. These machines generally have moderate cutting hours in the range of 10,000 to 25,000 hours and are widely used in job shops and subcontract manufacturing. While still reliable, buyers should inspect spindle wear, turret indexing accuracy, Y-axis backlash, and general machine alignment before purchase.
Older machines manufactured before 2005 are generally priced between $30,000 and $65,000 depending on condition and usage history. These units often exceed 25,000–40,000 cutting hours and may require maintenance such as spindle refurbishment, ball screw inspection, or control updates. However, they can still provide value for rough machining or secondary operations where extreme precision is not critical.
Cutting time is one of the most important pricing factors because it directly impacts spindle life, accuracy retention, and overall machine stability. Lower-hour machines maintain tighter tolerances and better cycle consistency, while higher-hour machines are more affordable but may require more maintenance and show reduced precision under heavy load.
Additionally, machines used in continuous production environments may experience different wear patterns compared to job shop machines, which also affects resale value. Optional features like Y-axis, sub-spindle, and automation packages further increase market price due to their ability to reduce setup time and improve productivity.
