CNC TURNING CENTERS - DOUBLE SPINDLE
MODEL STS-20 (600, 1100, 1600, 2100)

STS-20
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FEATURES:

  • The sub spindle can be fully synchronized to match the speed of the main spindle within 0.2 seconds of command for smooth, fast and scarless part transfer, or concurrent rotation for part-off, “on-the-fly”, reduces the need for secondary machining and eliminates additional set-up
  • Live tool with double spindles keeps the machining of back side of work piece concentric to the face side and maintain tolerance that cannot be achieved by secondary operation
  • VDI-40 Live tool turret, radial tool disc type, Fanuc motor
  • 45 degree slant bed design ensures a minimal and constant distance between the cutting tool and the slide ways
  • Induction hardened and precision ground box ways with Turcite-B surface
  • The one piece bed, cross-slide and head stock are made of fine grain certified Meehanite castings with a heavily ribbed patented torque set design to prevent thermal growth that can result in deformation and twist in the castings
  • Fanuc 0i-TC Control with 8.4” color monitor & solid graphics
  • 3,500 rpm high performance, digital high torque dual wound high/low Fanuc spindle motor provides outstanding torque at low speeds as well as for high speed metal removal
  • Full “C” axis (0.001 degree) on main spindle
  • One Degree Indexing Sub-Spindle
  • 30 hp Fanuc “i” series high torque built In spindle ( Main)
  • 25 hp Fanuc “i” series high torque built In spindle (Sub)
  • 10” main spindle three jaw hydraulic chuck (A2-8)
  • 8” sub spindle three jaw hydraulic chuck (A2-6)
  • Servo Driven 12 Station VDI dual contact Live Turret,
  • Fanuc Digital Drive System
  • Each axis is driven by a large diameter, high precision ground (C-3 grade), pre-loaded and double anchored ball screws to provide high accuracy, fast rapid feed rate and maximum thrust
  • Automated monitored lubrication is delivered to all slideways and ball sscrews. Low level status alarm also monitors pressure at each delivery point to detect any high or low pressures in the event of contaminated feed valve or broken supply line.


SPECIFICATIONS:
STS-20
600/1100/1600/2100
CAPACITY:  
Swing Over Bed 25.2"
Swing Over Bed 18.8"
Chuck Dimension-Main 10"
Chuck Dimension-Sub 8”
Maximum Turning Diameter 16.1
Std Turning Diameter 13.3
Maximum Turning Length 16.1/35.8/55.5/75.2”
Maximum Bar Capacity 2.95”
TRAVELS:  
X Axis (beyond centerline) 8.07"+1.37"
Z Axis 18.5/38.2/57.8/77.6"
B Axis 18.1/34.6/54.6/74.6"
MAIN SPINDLE:  
Maximum Spindle Speed 3,500 rpm
Spindle Bore Diameter 3.5"
Spindle Nose A2-8
Motor/Spindle HP (30 min) 30
Continuous Rated Torque 552 Nm
SUB SPINDLE:  
Maximum Spindle Speed 3,500 rpm
Spindle Bore Diameter 2.2"
Spindle Nose A2-6
Motor/Spindle HP (15 min) 25
Maximum Synchronizing Speed - Main Spdle 3,500 rpm
Continuous Rated Torque 167 Nm
FEED RATES:  
Rapid Traverse X Z B 708, 945, 788 ipm
Cutting Feed Rate 500 ipm
TURRET:  
Tool Capacity 12 Tools
Tool to Tool Time 0.25 seconds
Type Digital Servo Driven
Tool Selection Bi-Directional-Short Path
O.D. Tool Diameter 1”
I.D. Tool Diameter 1.6”
Maximum Live Tool Speed 4,000 rpm
MOTORS:  
Axis Servo Motors- X, Z, B 4, 5.3, 2.6 hp
Spindle Oil Cooler 1 HP
Coolant Pump 1 HP
Hydraulic Unit Motor 5.5 HP
ACCURACY:  
Positioning +/- .0001"
Repeatability +/- .0001"
Dimensions and Weight
Machine Dimensions 128x55x81 (600)
148x55x82 (1100)
171x55x82 (1600)
197x55x82 (2100)
Net weight 12,650 lbs. (600)
14,960 lbs. (1100)
18,480 lbs. (1600)
21,120 lbs. (2100)
Door Opening 27"
Power Requirements 220v/3 phase/60 Hz,70 KVA
Air Requirements 5 cfm @ 100 psi
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STANDARD ACCESSORIES:
  • 10” 3 jaw hydraulic chuck (A2-8) for main spindle
  • 8” 3 jaw hy draulic chuck (A2-6) for sub spindle
  • Air blow system for cleaning both chucks
  • Foor operated chuck oopen and close
  • FANUC 0i-TC control with 8.4” color monitor and solid graphics
  • FANUC Macro”B”, High speed skip function, 4 spare M functions, 400 work offsets, 400 registered part program storage, Auto measure system (X,Y,Z ), 2 Gigabyte flash drive
  • FANUC manual guide computer assist programming
  • Manual tool pre-setter – RENISHAW-HPPA
  • Spindle air blast
  • Chip conveyor (flat, chain type) with cart
  • C axis control for main spindle with brake. Cylindrical and Polar coordinate interpolation, 0.001º resolution
  • Control for sub spindle with brake, 0.088º resolutions
  • Flood coolant system
  • Auto lubrication system
  • Door interlock for safety
  • Work light
  • Heat exchanger on cabinet
  • Telescopic way cover (metal)
  • Leveling screws, nuts and pads (8 each)
  • CE standard electrics
  • Multi-pole transformer (380V, 400V,415V, 440V, to 220V)
  • Installation and maintenance manual



OPTIONAL ACCESSORIES:

Transformer (For Power Other Than 220V)

ZF Gear Box *

Collet Chuck, Main – Germany Marquart *

Collet Chuck, Sub – Germany Marquart

VDI tool holders

Bar Feed Interface *

Parts Catcher, Sub-Spindle *

Full “Y” Axis *

Auto Door *

Heat Exchanger *

Renishaw OMP-40 Part Probe *

Renishaw TS-27R Tool Setter *

Oil Skimmer

Mist Collector *

Dust Collector *

Auto Power Off *

Gantry Robot & Parts Stacker

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