ST-35

   
 

For the best pricing in your area, contact your local Haas Factory Outlet.

Mid-Size CNC Lathe with A2-8 spindle nose and 4.0" (102 mm) bar capacity

The Haas ST Series high-performance turning centers were designed from the ground up to provide setup flexibility, extreme rigidity, and high thermal stability.

The ST-35 is a mid-size big-bore lathe that has a medium footprint, yet provides a generous work envelope. This machine offers the best performance for the money – the best value – in its class.

  • Medium footprint
  • Big-bore spindle
  • Generous work envelope
  • 12" Chuck Size
  • 4.0" Bar Capacity
  • 3.2k RPM
  • 40 hp Power
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BUILD & PRICE
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Capacities S.A.E METRIC
Chuck Size 12.0 in 305 mm
Max Part Swing 21.0 in 533 mm
Max Cutting Diameter (with BOT turret) 15.00 in 381 mm
Max Cutting Diameter (with BMT65 turret) 13.75 in 349 mm
Max Cutting Length (varies with workholding) 32.5 in 826 mm
Bar Capacity 4.00 in 102 mm
Between Centers (max) 32.5 in 826 mm
Travels S.A.E METRIC
X Axis 9.40 in 239 mm
Z Axis 32.50 in 826 mm
Feedrates S.A.E METRIC
Rapids on X 945 ipm 24.0 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 Z 5100 lbf 22686 N
Spindle S.A.E METRIC
Spindle Nose A2-8 A2-8
Max Rating 40.0 hp 29.8 kW
Max Speed 3200 rpm 3200 rpm
Max Torque 425.0 ft-lbf @ 325 rpm 576.0 Nm @ 325 rpm
Max Torque w/opt Gearbox 1400 ft-lbf @ 150 rpm 1898 Nm @ 150 rpm
Spindle Bore ø 4.62 in 117.3 mm
Sub-Spindle S.A.E METRIC
Chuck Size 6.5 in 165 mm
Spindle Nose A2-5 A2-5
Max Speed 4100 rpm 4100 rpm
Max Sync Speed w/Main Spindle 3200 rpm 3200 rpm
Chuck Throat Ø 1.81 in x 1.60 in DEEP Ø 46.0 mm x 40.6 mm DEEP
Drawbar Adapter Bore Ø 1.81 in x 3.09 in DEEP Ø 46.0 mm x 78.5 mm DEEP
Drawbar Bore (NON-THROUGH) Ø 1.03 in x 4.91 in DEEP Ø 26.2 mm x 124.7 mm DEEP
Spindle Bore (without chuck and drawbar installed) 2.31 in 58.7 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-Station BOT 12-Station BOT
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
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 3200 rpm 3200 rpm
Drive System Direct Speed, Belt Drive Direct Speed, Belt Drive
Spindle Power 40.0 hp 29.8 kW
Input AC Voltage (3 Phase) - Low 220 VAC 220 VAC
Full Load Amps (3 Phase) - Low 70 A 70 A
Input AC Voltage (3 Phase) - High* 440 VAC 440 VAC
Full Load Amps (3 Phase) - High* 35 A 35 A
Dimensions - Shipping S.A.E METRIC
Domestic Pallet 171.0 in x 90.0 in x 92.0 in 435 cm x 229 cm x 234 cm
Export Pallet 171.0 in x 90.0 in x 92.0 in 435 cm x 229 cm x 234 cm
Weight 14300 lb 6487.0 kg

NOTE: All specifications listed are for the standard machine configuration. Optional equipment may change the machine’s specifications.

*Haas machines are designed to operate on 220 VAC (200-240 VAC) power. An optional internal high-voltage transformer (380 - 480 VAC) is available for all models, except the Desktop Machines, CL-1, CM-1, and SR Series routers. This optional high-voltage internal transformer is not field installable; it must be ordered with the machine.

Haas machines destined for Europe and the UK are configured with an internal high-voltage non-isolated transformer to operate on 400 VAC, except the Desktop Machines, CL-1, CM-1, and SR Series routers. 

**Optional tool changers may have a different max tool size than the standard tool changer. Extra-large tools may require two adjacent pockets empty between tools. Click here for toolholder specifications.

ATTENTION! Optional high-performance spindles may have a higher power requirement than the standard spindle. However, if the spindle horsepower (kW) does not change, the power requirement remains the same. Verify the power requirement before running power for your machine.

† Air consumption on 40-taper DC Series machines may be higher, when Through-Tool Air Blast (TAB) is activated.

 

* Not all options are compatible with each other. Some options may require the purchase of additional options, or may include additional options at no charge. Please use our Build-&-Price tool to determine option compatibility, and configure your machine.

ANSWERS TO YOUR CONCERNS ABOUT ADDING A HAAS ROBOT: It won’t take up much space, cost a ton of money, or take weeks to integrate. 

SPACE EFFICIENT

COST EFFECTIVE

EASY TO INTEGRATE

EASY TO LEARN

Overview

We’ve completely redesigned our best-selling ST-35/Y turning centers to provide even more performance, features, and value than ever before. We’ve re-engineered everything – from the ground up – to create a more rigid machine, with superior cutting performance, and a host of productivity-enhancing options.

  • New castings – Increased rigidity and dampening properties
  • Improved ergonomics for everyday operation
  • Improved chip evacuation
  • Increased Z-axis travel
  • Increased wedge stance for heavy-duty performance
  • WiFi standard
  • HaasDrop wireless file transfer standard
  • Safe Run standard
  • HaasConnect remote monitoring standard
  • Two-Stage Automatic Parts Catcher (Optional)
  • Sub-Spindle (Optional) 
  • Auto Door (Optional)

Specification Comparison (Inch)

       NEW MODEL     PREVIOUS MODEL
Footprint (Length, Depth, Height) without conveyor 151" x 70" x 79" 121" x 79" x 83"
Maximum Part Swing 21" 31.75"
Bar Capacity, Maximum Spindle Speed 4.0", 3200-rpm 4.0", 3200-rpm
Maximum Power Rating, Drive System 40 hp, Belt Drive 40 hp, Belt Drive
Spindle Nose, Chuck Size A2-8, 12.0" A2-8, 12.0"
Maximum Cutting Diameter (BOT turret) 15.00" 21.00"
Maximum Cutting Diameter (BMT65 turret) 13.75" 18.00"
Maximum Cutting Length (Y-Axis Models) [varies with workholding] 32.5" 26" (23")
Axis Travels (X, Z)  9.4", 32.5" 12.75", 26.0"
Y-Axis Models, Axis Travel (X,Y,Z) 9.4", 4.0", 32.5" 12.75", 4.0", 23.0"

Specification Comparison (Metric)

  NEW MODEL PREVIOUS MODEL
Footprint (Length, Depth, Height) without conveyor 3835 x 1778 x 2007 mm 3073 x 2007 x 2108 mm
Maximum Part Swing 533 mm 806 mm
Bar Capacity, Maximum speed 102 mm, 3200-rpm 102 mm, 3200-rpm
Maximum Power Rating, Drive System 29.8 kW, Belt-Drive 29.8 kW, Belt-Drive
Spindle Nose, Chuck Size A2-8, 305 mm A2-8, 305 mm
Maximum Cutting Diameter (BOT turret) 381 mm 533 mm
Maximum Cutting Diameter (BMT65 turret) 349 mm 457 mm
Maximum Cutting Length (Y-Axis Models) [varies with workholding] 826 mm 660 mm (584 mm)
Axis Travels (X, Z) 239 mm, 826 mm 324 mm, 660 mm
Y-Axis Models, Axis Travel (X,Y,Z) 239 mm, 101 mm, 826 mm 324 mm, 101 mm, 584 mm

Improved Part Loading Ergonomics

The compact footprint and redesigned sheetmetal of the new design yield a shorter distance between the door and center of the chuck for better ergonomics. The reduced reach to the chuck makes it easier for machine operators to manually load and unload parts. It also allows for faster automated (robot) part loading and unloading. 

Increased Wedge Angle

We’ve increased the angle of the wedge from 45 degrees to 55 degrees, which improves the overall chip flow inside the work envelope. The steeper inclination contributes to faster chip evacuation when using a chip conveyor (optional).

WiFi Connectivity Standard

All Haas machines come standard with built-in WiFi for fast, wireless connectivity between the Haas control and a local area network. Use WiFi to easily share and transfer files wirelessly, and monitor your machine remotely via HaasConnect mobile machine monitoring. It is easily set up through the Haas control, and supports Netshare capabilities. 

  • No cables required
  • Ideal for large shops with many machines
  • Ideal for shops where the machine is far from the network router
  • Easily transfer and share files 

Automatic Door (Optional)

The Haas Auto Door is available on the redesigned machines, reducing operator fatigue, and simplifying automation. The Auto Door opens the machine doors automatically via an M-code, or can open them manually via a button on the control pendant. This reduces operator fatigue during repetitive machining operations, and allows for unattended operation when used with a robotic loader or our optional APL. The doors close automatically at Cycle Start, and can be controlled via settings to open at the end of a cycle, or at an Optional Stop.

NOTE: Availability my vary by region. Not available in Europe, except with robot and APL installations. 

  • Improves machine ergonomics
  • Reduces operator fatigue during repetitive machining operations
  • Operates automatically via M-code, or manually via a button on the control pendant
  • Allows for unattended operation when used in conjunction with a robotic loader or APL
  • Closes automatically at Cycle Start, and can open automatically at cycle end or an Optional Stop 

Sub-Spindle (optional)

Our optional finishing sub-spindle will not only make you more productive, but also will provide new options for finishing the 2nd-op side of your parts.

This affordable A2-5 spindle is equipped with a 6.5" (165 mm) hydraulic chuck, and will fully synchronize with the main spindle to provide effortless “in-cycle” part handoff. This allows you to finish both sides of your part in a single setup – simply load your raw workpiece, and the next time you open the door, you’ll have a finished part. A built-in part ejector propels the finished part into the optional parts catcher for automated operation.

Note: Not compatible with the tailstock option. Not compatible with the Bolt-On turret. 
 

  • 4100-rpm
  • A2-5 spindle nose
  • Includes spring-loaded part ejector 
  • 6.5" (165 mm) hydraulic chuck 
  • 1.8" (46 mm) drawtube bore 
  • Allows fully synchronized part pass-off (up to 4100 rpm)
  • Includes CNC Control Cabinet Cooler

 

Two-Stage Parts Catcher (optional)

Our two-stage automatic parts catcher moves completely out of the primary work envelope during machining, and quickly moves into place when commanded at the end of cycle. For parts with short cycle times, the arm can be left in the extended position, with only the tray rotating up to catch parts at the end of cycle. 

The catch tray is easily adjusted for different part-off locations, and can be positioned to catch parts from either the main spindle or optional sub-spindle.

  • 4.25" (108 mm) length X 2.125" (54 mm) diameter part capacity
  • 10 lb (4.5 kg) part weight limit 
  • Allows for uattended machining
  • Fully integrated with the Haas control; activated by M-code
  • Easily adjusted for different part-off locations
  • Retrieves finished parts without opening the door

 

New Tailstock Design (optional)

The new tailstock design allows setting the hydraulic pressure as low as 60 psi (4.1 bar) to minimize part deformation when machining thin parts. The Acme screw drive system provides better tailstock support during heavy roughing operations.

  • #4 Morse Taper
  • User-adjusted restricted -travel zone for tailstock protection
  • Intuitive set up with dedicated tab on screen
  • M-code or pedal operated

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All prices and specifications subject to change without notice. Freight, rigging, state & local taxes, and dealer installed accessories are not included. Not responsible for misprints or typographical errors. Machines shown with optional equipment. Actual product appearance may differ.