The Haas Automation ST-35Y is an industrial-grade CNC Lathes & Turning Centers powered by the Standard CNC. a top spindle speed of 3,200 RPM, and a 3-axis kinematic layout. It supports standardized digital factory monitoring via MTConnect.
Haas ST-35Y: Y-axis lathe with 4,000 rpm BMT65 live tools, 13.75 in (349 mm) turning diameter, 4 in bar capacity, 40 hp spindle, optional sub-spindle.
| Standardized Parameters & Ratings | |
|---|---|
| Manufacturer (Brand) | Haas Automation (United States) |
| Machine Type | CNC Lathes & Turning Centers |
| CNC Controller System | Standard CNC |
| Number of Controlled Axes | 3-Axis Simultaneous / Positioning |
| Maximum Spindle Speed | 3,200 RPM |
| Spindle Motor Rating | 40.0 kW |
| Spindle Taper Interface | Standard |
| Approx. Machine Weight | 14,300 kg |
| Industrial IoT Protocol | MTConnect ANSI/MTC1.4 Compliant (Ethernet/TCP) |
| Chuck Size | 12 in (305 mm) |
| Max Swing | 21 in (533 mm) |
| Max Turning Diameter | 13.75 in (349 mm) |
| Max Turning Length | 32.5 in (826 mm) |
| Bar Capacity | 4 in (102 mm) |
| Distance Between Centers | 32.5 in (826 mm) |
| X-Axis Travel | 9.4 in (239 mm) |
| Y-Axis Travel | ± 2 in (± 51 mm) |
| Z-Axis Travel | 32.5 in (826 mm) |
| Rapid Traverse X | 472 ipm (12 m/min) |
| Rapid Traverse Y | 472 ipm (12 m/min) |
| Rapid Traverse Z | 945 ipm (24 m/min) |
| Max Thrust X | 4,100 lbf (18,238 N) |
| Max Thrust Y | 2,300 lbf (10,231 N) |
| Max Thrust Z | 5,100 lbf (22,686 N) |
| Spindle Nose | A2-8 |
| Spindle Motor Power | 40 hp (29.8 kW) |
| Max Spindle Speed | 3,200 rpm |
| Spindle Torque | 425 ft-lbf @ 325 rpm (576 N·m @ 325 rpm) |
| Spindle Torque Optional Gearbox | 1,400 ft-lbf @ 150 rpm (1,898 N·m @ 150 rpm) |
| Spindle Bore | 4.62 in (117.3 mm) |
| C Axis Max Rating | 5 hp (3.7 kW) |
| C Axis Speed | 60 rpm |
| C Axis Positioning | 0.01 ° |
| C Axis Brake Diameter | 13.9 in (353 mm) |
| C Axis Brake Holding Torque | 250 ft-lbf (339 N·m) |
| C Axis Control Type | Interpolated Motion and Positioning |
| Sub Spindle Chuck Size | 6.5 in (165 mm) |
| Sub Spindle Nose | A2-5 |
| Sub Spindle Speed | 4,100 rpm |
| Sub Spindle Max Sync Speed With Main Spindle | 3,200 rpm |
| Sub Spindle Chuck Throat | Ø 1.81 in × 1.6 in DEEP (Ø 46 mm × 40.6 mm DEEP) |
| Sub Spindle Drawbar Adapter Bore | Ø 1.81 in × 3.09 in DEEP (Ø 46 mm × 78.5 mm DEEP) |
| Sub Spindle Drawbar Bore | Ø 1.03 in × 4.91 in DEEP |
| Sub Spindle Spindle Bore | 2.31 in (58.7 mm) |
| Sub Spindle Integrated Brake Torque | 17 ft-lbf (23 N·m) |
| Sub Spindle Spindle Orientation Accuracy | ± 0.02 ° |
| Sub Spindle Rapids | 400 ipm |
| Turret Stations | 12 |
| Turret Od Vs Id Tools | Any Combination (will vary with turret) |
| Turret Boring Bar Rear Clearance | 4 in (102 mm) |
| Live Tool Speed | 4,000 rpm |
| Live Tooling | BMT65 |
| Coolant Capacity | 55 gal (208 L) |
| Air Required | 4 scfm @ 100 psi (113 L/min @ 6.9 bar) |
| Inline Air Hose | 3/8 in |
| Air Coupler | 3/8 in |
| Air Pressure Min | 80 psi (5.5 bar) |
| Electrical Low | 220 VAC 3-phase, 70 A |
| Electrical High | 440 VAC 3-phase, 35 A |
| Shipping Domestic Pallet | 171 × 90 × 98 in (435 × 229 × 249 cm) |
| Shipping Export Pallet | 171 × 90 × 98 in (435 × 229 × 249 cm) |
| Machine Weight | 14,300 lb (6,487 kg) |
Haas Automation publishes a list price of US$151,995 for the Haas ST-35Y (verified 2026-10-02). Options, tooling, freight and installation are extra, so a dealer quote will differ. A specific price can be requested at https://machinetoolindex.com/machines/haas-st-35y#price; the request is passed to Haas Automation or an authorised dealer.
BMT65 live tooling with a maximum speed of 4,000 rpm. The turret has 12 stations and Haas lists it as accepting any combination of OD and ID tools, varying with the turret. Rear clearance for boring bars is 4 in (102 mm).
No. Haas lists the sub-spindle as optional. When ordered, it has a 6.5 in (165 mm) chuck on an A2-5 nose, runs to 4,100 rpm, synchronises with the main spindle up to 3,200 rpm and has a 2.31 in (58.7 mm) bore. Its integrated brake torque is 17 ft-lbf (23 N·m), orientation accuracy is ± 0.02° and its rapid rate is 400 ipm.
In envelope. The ST-28Y turns 11.75 in (298 mm) in diameter and 22.5 in (572 mm) in length. The ST-35Y turns 13.75 in (349 mm) and 32.5 in (826 mm). Both have a 12 in (305 mm) chuck, 4 in (102 mm) of bar capacity, a 40 hp (29.8 kW) spindle at 3,200 rpm, ± 2 in (± 51 mm) of Y travel and 4,000 rpm live tools.
The spindle gives 425 ft-lbf (576 N·m) at 325 rpm from 40 hp (29.8 kW). Haas lists a gearbox as an option, and with it the figure is 1,400 ft-lbf (1,898 N·m) at 150 rpm. Maximum spindle speed is 3,200 rpm. Z-axis thrust is 5,100 lbf (22,686 N).
Travel is ± 2 in (± 51 mm) and maximum thrust is 2,300 lbf (10,231 N). Y and X rapid at 472 ipm (12 m/min), Z at 945 ipm (24 m/min). The stroke is sized for features around the centreline; larger patterns are produced by combining Y with C-axis rotation.
