Haas

ST-45SY Short Bed Lathe with Y Axis

SKU: ST-45SY
Haas ST-45SY – Compact Y-axis lathe with large through-bore The Haas ST-45SY is a short-bed version of the ST-45Y lathe, designed for large-diameter turning in tight spaces. It retains all the power and reliability of the larger model, but with a shorter Z-axis travel, it takes up less shop floor space. Equipped with a Y axis, an interpolated C axis, and driven tools, the machine can simultaneously perform turning, milling, drilling, and threading in a single setup. This significantly reduces machining time and increases production flexibility. Key features: 12-station BMT75 tool head, A2-11 spindle nose with large through hole 178 mm (7.0"), Y-axis movement range ± 76 mm (± 3.0"), Fully interpolated C-axis for precise indexing and milling operations, Compact design with short bed – less space, same performance. The ST-45SY is the ideal solution for shops that need the power of a large lathe, multi-operation capabilities and a compact size.

Product description

Haas ST-45SY – Compact Y-axis lathe with large through-bore

The Haas ST-45SY is a short-bed version of the ST-45Y lathe, designed for large-diameter turning in tight spaces. It retains all the power and reliability of the larger model, but with a shorter Z-axis travel, it takes up less shop floor space.

Equipped with a Y axis, an interpolated C axis, and driven tools, the machine can simultaneously perform turning, milling, drilling, and threading in a single setup. This significantly reduces machining time and increases production flexibility.

Key features:

  • 12-station BMT75 tool head,
  • A2-11 spindle nose with large through hole 178 mm (7.0"),
  • Y-axis movement range ± 76 mm (± 3.0"),
  • Fully interpolated C-axis for precise indexing and milling operations,
  • Compact design with short bed – less space, same performance.

The ST-45SY is the ideal solution for shops that need the power of a large lathe, multi-operation capabilities and a compact size.

Technical Parameters

SKU: ST-45SY
Brand: Haas
Machine tool type: Tokarka
Tool turret (lathe): BMT75
X-axis travel (mm): 508
Y-axis travel (mm): 152
Z-axis travel (mm): 711
C-axis rotation (°): 360.00
Maximum turning diameter (mm): 699
Maximum turning length (mm): 711
Swing over covers (mm): 902.00
X-axis feedrate (m/min): 12
Y-axis feedrate (m/min): 12
Z-axis feedrate (m/min): 18
C-axis feedrate (°/s): 294.00
Maximum spindle speed (rpm): 1400
Maximum spindle torque (Nm): 1898
Maximum bar capacity (mm): 165
Spindle drive type: 2-stopniowa przekładnia zębata
Main spindle bore (mm): 165.00
Main spindle taper: A2-11
Tailstock taper: MK5
Maximum X-axis drive feed force (kN): 24.47
Maximum Y-axis drive pulling force (kN): 10.23
Maximum Z-axis drive pulling force (kN): 40.03
C-axis braking torque (Nm): 610.00
Compressed air consumption (l/min): 113.00
Compressed air pressure (bar): 5.50
Supply voltage (V): 440
Coolant Tank Capacity (L): 360.00
Driven tools: Tak
Sub-spindle: Nie
Hydraulic chuck: Standard

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ST-45SY Short Bed Lathe with Y Axis
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