Haas ST20Y Live Tool CNC Lathe with Barfeed (2021)

Haas ST20Y Live Tool CNC Lathe (2021)
Chuck Size 8.3 in 210 mm
Max Part Swing 21.0 in 533 mm
Max Cutting Diameter (with BMT65 turret) 11.75 in 298 mm
Max Cutting Length (varies with workholding) 22.5 in 572 mm
Bar Capacity 2.50 in 64 mm
Travels S.A.E METRIC
X Axis 8.40 in 213 mm
Y Axis ± 2.0 in ± 51 mm
Z Axis 22.50 in 572 mm
Feedrates S.A.E METRIC
Rapids on X 472 ipm 12.0 m/min
Rapids on Y 472 ipm 12.0 m/min
Rapids on Z 945 ipm 24.0 m/min
Axis Motors S.A.E METRIC
Max Thrust X 4100 lbf 18238 N
Max Thrust Y 2300 lbf 10231 N
Max Thrust Z 5100 lbf 22686 N
Spindle S.A.E METRIC
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
Main Spindle C Axis S.A.E METRIC
Max Rating 5.0 hp 3.7 kW
Max Speed 60 rpm 60 rpm
Positioning (±) 0.01 ° 0.01 °
Brake Diameter 13.9 in 353 mm
Brake Holding Torque 250 ft-lbf 339 Nm
Control Type Interpolated Motion and Positioning Interpolated Motion and Positioning
Sub-Spindle S.A.E METRIC
Chuck Size 5.3 in 135 mm
Spindle Nose A2-5 A2-5
Max Speed 6000 rpm 6000 rpm
Max Sync Speed w/Main Spindle 4800 rpm 4800 rpm
Chuck Throat Ø 1.30 in x 1.37 in DEEP Ø 33.0 mm x 34.8 mm DEEP
Drawbar Bore (NON-THROUGH) Ø 1.00 in x 1.50 in DEEP Ø 25.4 mm x 114.3 mm DEEP
Spindle Bore (without chuck and drawbar installed) 1.50 in 38.1 mm
Integrated Brake Torque 17 ft-lbf 23 N/m
Spindle Orientation Accuracy (Requires SO) ± 0.02 ° ± 0.02 °
Rapids (B-axis) 400 ipm 10 m/min
Turret S.A.E METRIC
Number of Tools 12 Stations 12 Stations
OD vs ID Tools Any Combination (will vary with turret) Any Combination (will vary with turret)
Boring Bar Rear Clearance (from back of turret ) 4.00 in 102.0 mm
Live Tooling S.A.E METRIC
Max Speed 4000 rpm 4000 rpm
Tooling BMT65 BMT65
General S.A.E METRIC
Coolant Capacity 55 gal 208 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 S.A.E METRIC
Spindle Speed 4000 rpm 4000 rpm
Drive System Direct Speed, Belt Drive Direct Speed, Belt Drive
Spindle Power 20.0 hp 14.9 kW
Input AC Voltage (3 Phase) - Low 220 VAC 220 VAC
Full Load Amps (3 Phase) - Low 40 A 40 A
Input AC Voltage (3 Phase) - High* 440 VAC 440 VAC
Full Load Amps (3 Phase) - High* 20 A 20 A
Dimensions - Shipping S.A.E METRIC
Domestic Pallet 143.0 in x 90.0 in x 92.0 in 363 cm x 229 cm x 234 cm
Export Pallet 143.0 in x 90.0 in x 92.0 in 364 cm x 229 cm x 234 cm
Weight 10480 lb 4754.0 kg