CNC Lathes: Chuck Size

ST-20

Starting at $58,995.00

* Machine shown with optional equipment. Actual product appearance may differ.

EXPLORE MACHINE DETAIL:

ST-20 Product Overview

CNC Lathe, 15" x 21" (381 x 533 mm) max capacity, 2.0" (51 mm) bar, 31.75" (806 mm) swing, 20 hp (14.9 kW) vector drive, 4000 rpm, A2-6 spindle, 8.3" (210 mm) chuck, 12-station bolt-on turret, 15" color LCD monitor, memory lock keyswitch, USB port and rigid tapping. Standard toolholder kit included with BOT or Hybrid turret

ST-20 Dimensions ST-20 Datasheet Shipping Dimensions Electrical Requirements

ST-20 Specifications

SWING DIAMETER	S.A.E.	METRIC
ST-20
Over Front Apron	31.75 "	806 mm
Over Cross Slide	20.75 "	527 mm
Over Tailstock	23.0 "	584 mm
CAPACITIES	S.A.E.	METRIC
Chuck Size	8.3 "	210 mm
Max Cutting Diameter (varies with turret)	15.0 "	381 mm
Max Cutting Length (without workholding)	21 "	533 mm
Bar Capacity	2.0 "	51 mm
TRAVELS & FEEDRATES	S.A.E.	METRIC
X Axis	9.3 "	236 mm
Z Axis	21.0 "	533 mm
Rapids on X	945 in/min	24.0 m/min
Rapids on Z	945 in/min	24.0 m/min
Max Thrust X	4100 lb	18238 N
Max Thrust Z	5100 lb	22686 N
SPINDLE	S.A.E.	METRIC
Max Rating	20 hp	14.9 kW
Max Speed	4000 rpm	4000 rpm
Max Torque	150 ft-lb @ 500 rpm	203 Nm @ 500 rpm
Spindle Nose	A2-6	A2-6
Spindle Bore �	3.50 "	88.9 mm
TURRET	S.A.E.	METRIC
Number of Tools	12 Stations	12 Stations
OD vs ID Tools	Any Combination (will vary with turret style)	Any Combination (will vary with turret style)
Boring Bar Rear Clearance (from back of turret )	4.0 "	102 mm
GENERAL	S.A.E.	METRIC
Air Required	4 scfm, 100 psi	113 L/min, 6.9 bar
Coolant Capacity	55 gal	208 L

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