MAZAK QTE-300M SG
USED MAZAK QTE-300M SG
The Mazak QTE-300M SG is a compact yet highly rigid CNC turning center designed for multi-tasking production environments that require turning and milling capability in a single setup. It belongs to Mazak’s QTE series, which is built around a high-speed, high-torque integrated spindle motor design. This eliminates belts and gears, improving torque delivery at low speeds, reducing vibration, and significantly enhancing surface finish quality and dimensional stability during cutting operations.
The QTE-300M SG is configured with a 10-inch chuck size and is optimized for machining medium to larger workpieces. It typically supports a maximum machining diameter of around 340 mm and a long work envelope exceeding 1000 mm in length, depending on configuration. This makes it suitable for shaft components, housings, flanges, and general engineering parts requiring both precision and rigidity.
One of the key strengths of this machine is its live tooling capability. The “M” designation indicates milling functionality, allowing secondary operations such as drilling, tapping, and contour milling without transferring the part to another machine. This reduces setup time, improves accuracy, and enhances production efficiency.
The machine is controlled by the MAZATROL SmoothEz system, which is designed for conversational programming and intuitive operation. This reduces programming time significantly, especially for shops handling frequent job changes or low-to-medium batch production. The control also supports simulation and digital setup features, allowing operators to verify machining processes before cutting begins.
Turret design is another important feature, typically offering an 8 or 12-position drum turret with fast indexing and high rigidity. This allows flexible tooling layouts and stable cutting performance even under heavy loads.
In manufacturing environments, the QTE-300M SG is widely used in automotive, oil and gas, general machining, and subcontract engineering industries. Its combination of rigidity, automation readiness, and multi-tasking capability makes it a strong choice for shops aiming to consolidate operations and improve cycle efficiency.
MAZAK QTE-300M SG SPECIFICATIONS
| MAZAK QTE-300M SG – AXIS |
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| Number of Axes: 3 (X, Z, C) |
| X-Axis: Cross slide movement |
| Z-Axis: Longitudinal movement |
| C-Axis: Spindle indexing for milling |
| Live Tooling Capability: Yes (M variant) |
| MAZAK QTE-300M SG – AXIS TRAVELS |
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| X-Axis Travel: Approx. 250 mm |
| Z-Axis Travel: Approx. 1,050 mm |
| Rapid Traverse (X/Z): Up to 30 m/min |
| Feed System: CNC controlled |
| Optimized for long component machining |
| MAZAK QTE-300M SG – CAPACITY |
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| Maximum Turning Diameter: Approx. 340 mm |
| Maximum Turning Length: Approx. 1,054 mm |
| Chuck Size: 10 inch |
| Maximum Bar Capacity: Approx. 80 mm |
| Swing Over Bed: Approx. 700 mm |
| MAZAK QTE-300M 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: Built-in motor spindle |
| High torque, low vibration design |
| MAZAK QTE-300M SG – TABLE |
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| Table Type: Slant Bed |
| Bed Angle: Approx. 30° |
| Guideways: Box guideways |
| Construction: Heavy-duty rigid structure |
| Suitable for long and medium-duty parts |
| MAZAK QTE-300M SG – TOOL TURRET |
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| Number of Stations: 12 (standard for M models) |
| Turret Type: Drum turret |
| Tool Change: High-speed indexing |
| Live Tool Stations: Yes |
| Tool Mounting: Bolt-on rigid system |
| MAZAK QTE-300M SG – FEEDRATES |
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| Rapid Traverse (X/Z): Approx. 30 m/min |
| Cutting Feed Rate: Programmable |
| Feed Control: CNC precision |
| Smooth acceleration/deceleration |
| Stable cutting performance |
| MAZAK QTE-300M 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 heavy chips |
| Filtration: Standard system |
| MAZAK QTE-300M 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-300M 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 Efficient operation |
| MAZAK QTE-300M SG – DIMENSIONS |
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| Machine Length: Approx. 3,500 mm |
| Machine Width: Approx. 2,000 mm |
| Machine Height: Approx. 2,000 mm |
| Machine Weight: Approx. 6,500–7,500 kg |
| Floor Space: Medium footprint |
| MAZAK QTE-300M SG – GENERAL INFORMATION |
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| Machine Type: CNC Turning Center with Milling |
| Manufacturer: Mazak |
| Series: Quick Turn Smart (QTE SG) |
| Capability: Turning + live milling in one setup |
| Build: Compact, high rigidity design |
| Automation: Bar feeder & robotic integration possible |
| INDUSTRIES THAT USE MAZAK QTE-300M SG |
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| Automotive Industry |
| Oil & Gas |
| Aerospace |
| Heavy Equipment Manufacturing |
| General Engineering |
| Power Generation |
| TYPICAL PARTS MAZAK QTE-300M SG CAN PRODUCE |
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| Long Shafts with Keyways |
| Flanges with Milling Features |
| Valve Bodies |
| Hydraulic Components |
| Threaded Parts |
| Multi-operation Turn-Mill Parts |
| WHY CHOOSE MAZAK QTE-300M SG |
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| Combines turning and milling in one machine |
| Live tooling improves productivity |
| High rigidity for long part machining |
| Built-in spindle ensures accuracy and reliability |
| Mazatrol control simplifies programming |
| Ideal for medium to high production with complexity |
WHY BUY USED MAZAK QTE-300M SG
Buying a used Mazak QTE-300M SG is a practical and cost-efficient strategy for manufacturers who want access to advanced multi-tasking machining without the high capital cost of new equipment. This model is known for its rigid construction and integrated spindle motor design, which reduces mechanical wear and ensures long service life even under demanding production conditions.
One of the most important factors when evaluating a used QTE-300M SG is cutting hours. Machines with low usage (typically under 5,000–10,000 cutting hours) generally retain excellent spindle accuracy and are ideal for precision machining applications. Mid-life machines with 10,000–25,000 hours are commonly found in job shops and still perform reliably for general engineering and batch production. High-hour machines above 25,000 hours can still be viable but require careful inspection of spindle condition, turret indexing accuracy, guideway wear, and ball screw backlash.
A major advantage of buying used is return on investment. Since most depreciation occurs in the first few years, used machines allow businesses to access high-end capabilities like live tooling, milling, and automation compatibility at a significantly reduced price. This improves profitability, especially for small and medium-sized shops competing on job pricing.
Mazak machines also benefit from strong global service support and long-term parts availability, which makes older machines easier to maintain compared to many competing brands. Even older QTE models remain relevant due to the Mazatrol control system, which is widely used and operator-friendly.
Another benefit is flexibility. Used QTE-300M SG machines can often be found with various options such as bar feeders, chip conveyors, or even robotic loading systems already installed, reducing additional investment requirements.
Overall, buying used provides access to industrial-grade machining capability, reduced financial risk, and faster payback periods, while still delivering the rigidity and productivity required for modern CNC production environments.
HOW MUCH DOES A USED MAZAK QTE-300M SG COST?
The price of a used Mazak QTE-300M SG depends heavily on manufacturing year, machine condition, configuration, and most importantly, cutting hours. Since this machine is widely used in production environments, pricing varies significantly between lightly used, mid-life, and heavily used units.
For newer machines manufactured between 2015 and 2025, the typical price range is approximately $110,000 to $180,000. These machines generally feature low cutting hours, modern Mazatrol SmoothEz controls, and may include automation options such as bar feeders or robotic integration. Machines at the higher end of this range are often near-new condition with minimal wear and strong production capability.
For mid-generation machines built between 2005 and 2015, prices usually fall between $60,000 and $110,000. These machines commonly have moderate cutting hours, typically between 10,000 and 25,000 hours. They remain highly reliable if maintained properly, although buyers should inspect spindle condition, turret alignment, and backlash in linear axes before purchase.
Older machines manufactured before 2005 are generally priced between $25,000 and $60,000 depending on condition. These units often have high cutting hours exceeding 25,000–40,000 hours and may require preventive maintenance such as spindle refurbishment, control upgrades, or ball screw replacement. However, they are still useful for less critical machining operations or roughing applications.
Cutting time plays a major role in pricing because it directly impacts spindle life and accuracy retention. Lower-hour machines tend to maintain tighter tolerances, better surface finish quality, and more stable cycle times. High-hour machines, while more affordable, may show signs of wear that affect precision or require increased maintenance intervals.
Additionally, machines used in continuous production environments typically experience more consistent wear compared to intermittent job shop usage, which also affects value. Optional features such as Y-axis capability, sub-spindle integration, and automation systems can further increase resale value.
Overall, the QTE-300M SG remains a strong value in the used CNC market due to its durability, multi-tasking capability, and long operational life even after years of industrial use.
