The Haas ST-15 CNC lathe delivers high-speed turning in a compact footprint. Featuring an 8.3" chuck, 2.5" bar capacity, 4,000 RPM spindle, 20 HP vector drive, 12-station turret, and 12" cutting diameter x 16" turning length, it’s built for tight tolerances and fast cycle times. Rigid cast construction and intuitive Haas control make it ideal for a variety of machining environments seeking reliable, cost-effective performance.
Capacities
Chuck Size 8.3 in 210 mm
Max Part Swing 16.5 in 419 mm
Max Cutting Diameter (with BOT turret) 12.00 in 305 mm
Max Cutting Length (varies with workholding) 16.0 in 406 mm
Bar Capacity 2.50 in 64 mm
Travels
X Axis 7.88 in 200 mm
Z Axis 16.00 in 406 mm
Feedrates
Rapids on X 1200 ipm 30.5 m/min
Rapids on Z 1200 ipm 30.5 m/min
Axis Motors S.A.E METRIC
Max Thrust X 3300 lbf 14679 N
Max Thrust Z 3300 lbf 14679 N
Spindle
Spindle Nose A2-6 A2-6
Max Rating 20.0 hp 14.9 kW
Max Speed 4000 rpm 4000 rpm
Max Torque 150.0 ft-lbf @ 500 rpm 203.0 Nm @ 500 rpm
Spindle Bore ø 3.50 in 88.9 mm
Tailstock
Taper MT3
Hydraulic Quill Travel 3.8 in 95 mm
Manual Body Positioning 20.0 in 508 mm
Max Thrust (Hyd. Quill Only) 1130 lbf 5026 N
Min Thrust (Hyd. Quill Only) 140 lbf 623 N
Turret
Number of Tools 12-Station BOT
Boring Bar Rear Clearance (from back of turret ) 0.75 in 19.1 mm
General
Coolant Capacity 30 gal 114 L
Air Requirements S.A.E METRIC
Air Required† 4 scfm @ 100 psi 113 L/min @ 6.9 bar
Inline Air Hose 3/8 in 3/8 in
Coupler (Air) 3/8 in 3/8 in
Air Pressure Min 80 psi 5.5 bar
Electrical Specification
Spindle Speed 4000 rpm
Drive System Direct Speed
Spindle Power 20.0 hp 14.9 kW
Input AC Voltage (3 Phase) - Low 220 VAC
Full Load Amps (3 Phase) - Low 40 A
Input AC Voltage (3 Phase) - High* 440 VAC
Full Load Amps (3 Phase) - High* 20 A
~600 Hours
Haas Nextgen Control
8”, 3-jaw Samchully (MH-208VI) Hydraulic Chuck
3j Collet Chuck
Manual Tailstock (Hydraulic Quill)
Tool Presetter
Chip Conveyor
Auto Door
Visual Part Programming System (VPS Editing)
Media Display M-code (M130)
Rigid Tapping
USB Port
Ethernet
1GB Memory
Wifi Connection
Haasconnect: Remote Monitoring
*Specifications Subject to Buyer Verification.
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