USED HAAS ST30 WITH DUAL STEADY REST – 2020
The 2020 HAAS ST30 with Dual Steady Rest is a heavy-duty CNC turning center configured for machining long, large-diameter, and high-precision cylindrical components requiring enhanced support during machining operations. Manufactured by Haas Automation, the ST30 platform is widely recognized for its strong spindle performance, large work envelope, dependable machining stability, and production-oriented design. When equipped with dual steady rests, the machine becomes especially valuable for manufacturers machining extended shafts, rollers, tubes, hydraulic cylinders, and long rotational components that require additional support to minimize deflection and vibration during turning operations.
The HAAS ST30 utilizes a rigid slant-bed construction engineered to improve structural stability during aggressive cutting operations while supporting efficient chip evacuation and thermal consistency throughout long production cycles. The slant-bed layout reduces machine vibration during heavy-duty machining, contributing to improved dimensional accuracy, smoother surface finishes, and extended cutting tool life. The machine’s large turning capacity and rigid spindle design make it highly suitable for industrial applications involving steel, stainless steel, aluminum, titanium, brass, cast iron, and specialty industrial alloys.
The addition of dual steady rests significantly expands the machine’s machining capability by providing additional support at multiple locations along the workpiece. This is especially important when machining long shafts or components prone to deflection during high-speed rotation. Dual steady rests improve concentricity, reduce chatter, enhance surface finish quality, and allow manufacturers to maintain tighter tolerances across extended workpiece lengths.
The 2020 ST30 commonly includes the advanced Haas Next Generation Control system featuring enhanced processing speed, remote connectivity, expanded memory capability, improved graphics performance, and simplified conversational programming functionality. The control platform remains highly popular throughout the manufacturing industry because of its operator-friendly interface and straightforward machine operation.
Many used 2020 HAAS ST30 machines equipped with dual steady rests also include optional production-enhancing accessories such as programmable tailstocks, chip conveyors, bar feeders, high-pressure coolant systems, probing systems, and live tooling capability. These options improve automation capability and increase overall production efficiency during repetitive machining operations.
Industries including oil and gas, aerospace, power generation, heavy equipment manufacturing, transportation, industrial automation, marine manufacturing, and precision contract machining commonly rely on machines configured with dual steady rests because of their ability to maintain stability during long-part machining operations.
Because of its large turning capacity, dependable machining performance, and specialized long-part support capability, the 2020 HAAS ST30 with Dual Steady Rest remains one of the most versatile heavy-duty CNC turning solutions available in the used machinery market.
HAAS ST30 WITH DUAL STEADY REST – AXIS
| Specification | Details |
|---|---|
| Machine Configuration | CNC Slant-Bed Turning Center |
| Axis Configuration | 2-Axis CNC Turning |
| X-Axis Travel | Approx. 9.4 in |
| Z-Axis Travel | Approx. 26 in |
| Rapid Traverse Rate | Approx. 945 IPM |
| Guideway System | Linear Motion Guideways |
HAAS ST30 WITH DUAL STEADY REST – AXIS TRAVELS / WORK ENVELOPE
| Specification | Details |
|---|---|
| Maximum Turning Diameter | Approx. 21 in |
| Maximum Turning Length | Approx. 26 in |
| Swing Over Bed | Approx. 31.75 in |
| Chuck Size | 10 in Hydraulic Chuck |
| Maximum Bar Capacity | Approx. 3 in |
| Workpiece Support | Dual Steady Rest Configuration |
HAAS ST30 WITH DUAL STEADY REST – CAPACITY / TABLE
| Specification | Details |
|---|---|
| Production Capability | Heavy-Duty CNC Turning |
| Typical Workpiece Size | Medium & Long Cylindrical Components |
| Workholding Capability | Chuck, Tailstock & Steady Rest |
| Long-Part Machining Capability | Excellent |
| Automation Compatibility | Yes |
HAAS ST30 WITH DUAL STEADY REST – SPINDLE
| Specification | Details |
|---|---|
| Maximum Spindle Speed | Approx. 3400 RPM |
| Spindle Motor Power | Approx. 30 HP |
| Spindle Nose Configuration | A2-6 |
| Spindle Bore Diameter | Approx. 3.5 in |
| Drive Type | Vector Drive |
| Spindle Style | Heavy-Duty Precision Spindle |
HAAS ST30 WITH DUAL STEADY REST – TOOL CHANGER
| Specification | Details |
|---|---|
| Turret Capacity | 12 Stations |
| Turret Configuration | Servo Indexed |
| Tooling Type | OD & ID Tooling |
| Indexing Capability | High-Speed |
| Live Tooling Capability | Optional |
HAAS ST30 WITH DUAL STEADY REST – CONTROL SYSTEM
| Specification | Details |
|---|---|
| CNC Control Platform | Haas Next Generation Control |
| Programming Capability | Conversational & G-Code |
| USB Connectivity | Standard |
| Ethernet Capability | Yes |
| Remote Monitoring Capability | Yes |
| Display Interface | LCD Color Display |
HAAS ST30 WITH DUAL STEADY REST – COOLANT / DUST / WATER MANAGEMENT
| Specification | Details |
|---|---|
| Coolant Delivery System | Flood Coolant |
| Coolant Tank Capacity | Approx. 55 Gallons |
| Chip Management | Chip Conveyor |
| Coolant Pump Type | Multi-Stage Pump |
| Optional Features | High-Pressure Coolant |
HAAS ST30 WITH DUAL STEADY REST – POWER REQUIREMENTS
| Specification | Details |
|---|---|
| Voltage Requirement | 220V / 3-Phase |
| Estimated Electrical Usage | Approx. 50 Amps |
| Pneumatic Requirement | Standard Shop Air |
| Electrical Configuration | Industrial CNC Layout |
HAAS ST30 WITH DUAL STEADY REST – DIMENSIONS
| Specification | Details |
|---|---|
| Approximate Machine Weight | Approx. 13,000 lbs |
| Machine Length | Approx. 170 in |
| Machine Width | Approx. 92 in |
| Machine Height | Approx. 95 in |
| Installation Footprint | Large Production Layout |
HAAS ST30 WITH DUAL STEADY REST – GENERAL INFORMATION
| Specification | Details |
|---|---|
| Manufacturer | Haas Automation |
| Model | ST30 |
| Year | 2020 |
| Machine Category | Heavy-Duty CNC Turning Center |
| Primary Application | Long-Part Precision Turning |
| Special Configuration | Dual Steady Rest Setup |
INDUSTRIES THAT USE HAAS ST30 WITH DUAL STEADY REST
The HAAS ST30 with Dual Steady Rest is widely utilized across industries requiring stable machining support for long cylindrical components and heavy-duty production applications. Oil and gas manufacturers frequently use the machine for machining valve stems, hydraulic cylinders, threaded pressure components, tubular fittings, and long shafts requiring tight tolerances and stable rotational support during machining.
Aerospace manufacturers commonly rely on the machine for machining structural shafts, cylindrical support assemblies, precision adapters, and aerospace hardware requiring accurate dimensional control across extended component lengths.
Transportation and heavy equipment manufacturers frequently utilize the ST30 with dual steady rests for machining axles, drivetrain shafts, rollers, support cylinders, and large industrial rotating components used throughout construction equipment and industrial machinery.
Power generation manufacturers use the machine for machining turbine shafts, cylindrical supports, couplings, and heavy-duty rotating assemblies requiring strong machining stability and repeatable precision.
Marine manufacturers also benefit from the machine’s ability to support long-part machining operations for propulsion shafts, cylindrical housings, support rollers, and corrosion-resistant industrial components.
Industrial automation and precision contract machining facilities continue investing in dual steady rest configurations because they improve machining consistency and reduce vibration during demanding production operations.
The dual steady rest setup is especially valuable for manufacturers working with long workpieces prone to chatter or deflection during turning operations. The additional support improves machining accuracy and helps maintain tighter tolerances across extended component lengths.
Because of its stability, large turning capacity, and long-part machining capability, the HAAS ST30 with Dual Steady Rest continues supporting a wide range of industrial manufacturing applications.
TYPICAL PARTS HAAS ST30 WITH DUAL STEADY REST CAN PRODUCE
| Part Type | Examples |
|---|---|
| Oil & Gas Components | Valve Stems, Hydraulic Cylinders |
| Aerospace Components | Structural Shafts, Adapters |
| Industrial Components | Rollers, Cylindrical Supports |
| Heavy Equipment Parts | Axles, Drivetrain Shafts |
| Marine Components | Propulsion Shafts, Housings |
| Precision Hardware | Long Cylindrical Assemblies |
WHY CHOOSE HAAS ST30 WITH DUAL STEADY REST
The HAAS ST30 with Dual Steady Rest is designed for manufacturers seeking dependable heavy-duty CNC turning capability combined with enhanced support for long cylindrical components. One of the machine’s biggest advantages is the dual steady rest configuration, which provides improved workpiece stability during machining operations involving long or slender components prone to vibration and deflection.
The rigid slant-bed machine construction improves machining stability during aggressive cutting operations while supporting efficient chip evacuation and reduced vibration. This structural design contributes to greater dimensional consistency, smoother surface finishes, and extended cutting tool life throughout continuous production cycles.
Another major advantage is the machine’s large turning capacity and strong spindle performance. The ST30 can handle medium-to-large industrial components while maintaining stable machining performance across a broad range of materials and production applications.
The dual steady rests significantly improve machining capability for extended workpieces by supporting the component at multiple locations during rotation. This helps reduce chatter, improve concentricity, and maintain tight tolerances across long machining operations.
The Haas Next Generation Control further improves operational productivity through simplified programming functionality, faster processing capability, expanded networking features, and intuitive operator controls. Shops already operating Haas equipment benefit from easier training and consistent machine operation.
Automation compatibility is another important advantage. Many ST30 machines support programmable tailstocks, bar feeders, probing systems, chip conveyors, and high-pressure coolant systems that help improve unattended machining capability and reduce labor involvement during repetitive production operations.
Manufacturers also appreciate the machine’s manageable maintenance requirements and strong aftermarket support network. Haas equipment remains widely supported throughout the manufacturing industry, simplifying technical service access and replacement part sourcing.
For manufacturers seeking dependable long-part CNC turning capability with strong machining stability and heavy-duty performance, the HAAS ST30 with Dual Steady Rest remains one of the most respected turning solutions available in the used CNC machinery market.
WHY BUY USED HAAS ST30 WITH DUAL STEADY REST
Purchasing a used 2020 HAAS ST30 with Dual Steady Rest allows manufacturers to acquire specialized long-part CNC turning capability while significantly reducing equipment acquisition costs compared to purchasing a new machine. One of the biggest advantages of purchasing used CNC machinery is the ability to obtain productive industrial equipment without the major financial investment associated with factory-new machinery.
The HAAS ST30 remains highly desirable within the used machinery market because of its reputation for dependable machining performance, durable machine construction, and broad production flexibility. Machines configured with dual steady rests are especially valuable because they support specialized long-workpiece applications not easily handled by standard CNC turning centers.
Another major advantage of purchasing a used ST30 with dual steady rests is faster machine availability. New CNC turning centers frequently involve extended factory lead times and delayed delivery schedules. Purchasing a used machine allows manufacturers to increase production capacity quickly and respond faster to changing customer demand.
Many used ST30 machines are sold with valuable accessories already installed, including programmable tailstocks, tooling packages, chip conveyors, high-pressure coolant systems, bar feeders, and probing systems. These additions improve machine productivity while reducing additional setup expenses.
The machine’s relatively straightforward maintenance requirements also contribute to easier long-term ownership. Haas equipment remains one of the most widely supported CNC machine platforms within the manufacturing industry, making replacement parts, technical support, and service technicians easier to obtain.
Used ST30 machines equipped with dual steady rests are especially attractive for oil and gas manufacturers, heavy equipment producers, aerospace suppliers, transportation manufacturers, marine manufacturers, and precision contract machining facilities requiring dependable long-part turning capability.
Many shops also prefer Haas equipment because operators and programmers are already familiar with the Haas control platform, helping reduce training requirements and improve production consistency.
For manufacturers seeking affordable heavy-duty CNC turning capability with enhanced long-part support and dependable long-term performance, the used 2020 HAAS ST30 with Dual Steady Rest remains an excellent investment opportunity within the used CNC machinery market.
HOW MUCH DOES A USED HAAS ST30 WITH DUAL STEADY REST COST?
The price of a used 2020 HAAS ST30 with Dual Steady Rest depends on several important factors including machine condition, spindle hours, installed options, tooling packages, maintenance history, and overall market demand. Machines configured with specialized support systems such as dual steady rests often command higher resale pricing because of their expanded machining capability and reduced need for aftermarket modifications.
A typical used 2020 HAAS ST30 with Dual Steady Rest may range from approximately $95,000 to $175,000 depending on machine configuration and operating condition. Machines equipped with live tooling, programmable tailstocks, probing systems, bar feeders, chip conveyors, tooling packages, or high-pressure coolant systems often command higher pricing because of their improved automation capability and production flexibility.
Machine condition remains one of the most important pricing considerations. Buyers should inspect spindle performance, steady rest condition, turret indexing accuracy, guideway wear, lubrication systems, hydraulic components, and overall machine cleanliness before completing a purchase. Machines with documented maintenance records and lower spindle hours generally maintain stronger market value.
The dual steady rest configuration itself can significantly influence resale value because of the machine’s ability to support specialized long-part machining applications. These configurations are especially attractive to manufacturers machining long shafts, rollers, cylinders, and rotational industrial components.
Dealer-listed equipment may carry higher pricing compared to privately sold machines because dealers often provide inspections, startup assistance, financing options, or limited warranty support. Transportation costs and geographic location may also influence total acquisition expenses.
The affordability, dependable machining capability, and specialized long-part support capability of the ST30 continue making it highly attractive for production-oriented manufacturers seeking reliable heavy-duty CNC turning performance without excessive capital investment.
Despite fluctuations within the used CNC machinery market, the HAAS ST30 with Dual Steady Rest continues to remain one of the most dependable and cost-effective long-part CNC turning solutions available. For manufacturers seeking reliable machining capability, improved workpiece stability, and strong long-term ownership value, the used 2020 HAAS ST30 with Dual Steady Rest remains an outstanding investment choice.
