ST-20

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-20 is a rigid machine, with a large bar capacity, superior cutting
performance, and a host of productivity-enhancing options.

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Larger spindle bore for increased bar capacity
Increased Z-axis travel
Available Auto Door
WiFi standard
Ideal for high-volume, high-production environments
Made in the USA

Capacities

Chuck Size

: 210 mm

: 533 mm

Max Cutting Diameter (with BOT turret)

: 330 mm

Max Cutting Diameter (with BMT65 turret)

: 298 mm

Max Cutting Length (varies with workholding)

: 572 mm

Bar Capacity

: 64 mm

Travels

X Axis

: 213 mm

Z Axis

: 572 mm

Feedrates

Rapids on X

: 24.0 m/min

Rapids on Z

: 24.0 m/min

Axis Motors

Max Thrust X

: 18238 N

Max Thrust Z

: 22686 N

Spindle

Spindle Nose

: A2-6

Drive System

: Direct Speed, Belt Drive

Max Rating

: 14.9 kW

Max Speed

: 4000 rpm

Max Torque

: 203.0 Nm @ 500 rpm

Spindle Bore ø

: 88.9 mm

Turret

Number of Tools

: 12 Stations

OD vs ID Tools

: Any Combination (will vary with turret)

Boring Bar Rear Clearance (from back of turret )

: 102.0 mm

General

Coolant Capacity

: 208 L

Air Requirements

Air Required

: 113 L/min @ 6.9 bar

Inline Air Hose

: 3/8 in

Coupler (Air)

: 3/8 in

Air Pressure Min

: 5.5 bar

Electrical Specification

Spindle Speed

: 4000 rpm

Drive System

: Direct Speed, Belt Drive

Spindle Power

: 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

Dimensions - Shipping

Domestic Pallet

: 362 cm x 229 cm x 234 cm

Export Pallet

: 362 cm x 229 cm x 234 cm

Weight

: 4000.0 kg