Used MAZAK QTE-300M SG CNC Machine For Sale - Pre-Owned

MAZAK QTE-300M SG

MAKE: MAZAK
MODEL: QTE-300M SG
TYPE: Lathe
YEAR: 2010
SKU: 110654
DEALER: Used CNC Exchange
COUNTRY: USA

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
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
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
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
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
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
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
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
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
CNC Control: Mazatrol SmoothEz
Programming: Conversational + G-code
Interface: Touchscreen
Digital Setup Capability: Yes
Networking: Ethernet capable
MAZAK QTE-300M SG – POWER & AIR REQUIREMENTS
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
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
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
Automotive Industry
Oil & Gas
Aerospace
Heavy Equipment Manufacturing
General Engineering
Power Generation
TYPICAL PARTS MAZAK QTE-300M SG CAN PRODUCE
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
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.