USED MAZAK SLANT TURN 550M

The Mazak Slant Turn 550M is a heavy-duty CNC turning center designed for large-capacity machining of long, heavy components requiring high torque, rigid construction, and integrated milling capability. It belongs to Mazak’s Slant Turn 550 series, which is widely used in oil & gas, power generation, shipbuilding, railways, and heavy engineering industries where large shafts, pipes, and forged components must be machined under continuous high-load conditions.

The machine is built on a rigid slant-bed structure that improves chip evacuation and ensures stable cutting performance during aggressive roughing operations. It typically features a 21-inch chuck and a large spindle bore of around 275 mm, enabling machining of heavy bar stock and large-diameter workpieces. The maximum machining diameter is approximately 910 mm, with machining lengths ranging from about 1051 mm up to over 4068 mm depending on bed configuration.

The spindle system is designed for high torque rather than high speed, delivering up to around 45 kW (60 HP) of power and very high low-RPM cutting force, making it ideal for heavy material removal and deep roughing operations in tough materials such as alloy steels and forgings.

The “M” configuration adds a milling-capable turret with live tooling, allowing drilling, tapping, and light milling operations directly on the turning center. This reduces secondary setups and improves overall productivity while maintaining the machine’s primary focus on rigid, heavy-duty turning performance. Unlike more complex multi-tasking variants, it avoids additional spindle systems, keeping the machine robust and production-oriented.

The turret is a 12-station heavy-duty design built for rigid tool holding and stable indexing under load, supporting continuous machining cycles with consistent accuracy. Depending on configuration, tailstock and steady rest options are available to support long shaft machining and improve workpiece stability.

Control systems typically include Mazatrol Matrix or Mazatrol Smooth series depending on machine age, offering conversational programming, simulation, and efficient setup for complex heavy-part machining.

Overall, the Slant Turn 550M is a true industrial-grade CNC lathe designed for maximum rigidity, torque, and reliable performance in demanding large-part production environments.

MAZAK SLANT TURN 550M SPECIFICATIONS

WHY BUY USED MAZAK SLANT TURN 550M

Buying a used Mazak Slant Turn 550M is a highly practical decision for manufacturers who require a large-capacity, high-torque CNC lathe with milling capability at a significantly reduced investment cost. This machine is specifically built for extreme-duty machining, making it ideal for industries such as oil & gas, power generation, railways, and heavy fabrication where large shafts, pipes, and forged components are produced in continuous production cycles.

A key evaluation factor is cutting hours. Machines with low usage (under 5,000–10,000 hours) generally retain strong spindle torque, excellent rigidity, and stable machining accuracy. These are best suited for precision-heavy or continuous production environments. Mid-hour machines (10,000–25,000 hours) are commonly found in industrial shops and can still perform reliably if properly maintained. High-hour machines (25,000+ hours) may require inspection of spindle bearings, gearbox wear, turret alignment, and bed condition, but can still be used effectively for rough machining or non-critical applications.

A major advantage of buying used is cost efficiency. Since most depreciation occurs early in the machine’s lifecycle, buyers can access Mazak’s heavy-duty turning capability at a fraction of the original price. This significantly improves ROI for manufacturers working with large, heavy components and long machining cycles.

Mazak machines also benefit from strong global service support and widely used Mazatrol controls, which simplify programming and reduce operator training time. Even older Slant Turn 550M machines remain highly valued due to their rigid structure and long service life.

Additionally, many used units come with useful accessories such as tailstocks, steady rests, large hydraulic chucks, and chip conveyors, which further improve productivity without additional investment.

Overall, the Slant Turn 550M remains a strong used CNC option due to its durability, extreme torque capability, and proven reliability in heavy industrial machining applications.

HOW MUCH DOES A USED MAZAK SLANT TURN 550M COST?

The price of a used Mazak Slant Turn 550M depends on manufacturing year, machine condition, cutting hours, bed length, spindle health, and installed options such as live tooling, tailstock, steady rests, or automation systems. As a large-bore, heavy-duty CNC lathe, it is widely used in demanding industrial environments where high material removal rates are required.

For newer machines (approximately 2010–2020 or well-maintained later units), prices typically range from $95,000 to $180,000. These machines generally feature lower cutting hours, strong spindle performance, and Mazatrol Matrix or Smooth controls. Fully equipped machines with long bed lengths (up to 4000 mm class), steady rests, and automation integration tend to be priced at the upper end of this range.

For mid-generation machines (around 2000–2010), typical prices fall between $50,000 and $110,000. These units generally have moderate cutting hours (10,000–25,000 hours) and remain widely used in heavy production environments. They are reliable, but buyers should carefully inspect spindle wear, gearbox condition, turret alignment, and axis accuracy before purchase.

Older machines (pre-2000 models) are generally priced between $25,000 and $60,000 depending on condition and usage history. These units often exceed 25,000–40,000 cutting hours and may require maintenance such as spindle rebuilding, control upgrades, or ball screw replacement. However, they can still be effective for rough machining or lower-precision heavy work.

Cutting hours remain a major pricing factor because they directly impact spindle life, machining accuracy, and long-term stability. Lower-hour machines maintain better precision and faster cycle performance, while higher-hour machines are more affordable but may require increased maintenance and show reduced accuracy under continuous heavy-load conditions.

Overall, the Slant Turn 550M holds strong resale value due to its extreme rigidity, large machining capacity, and proven performance in high-demand industrial production environments.