Equipment
SKT21 CNC Turning Center
  High Productivity, Versatile & Integrated Lathe
  • High Speed, High Accuracy
  • High Rigidity, ensures Long Tool Life and Machining Accuracy
  • Integrated Operation
  • Easy Control
  • Convenient Operation
 
Specifications: SKT21 / SKT21L / SKT21LM / SKT21LS / SKT21LMS
    SKT21 SKT21L SKT21LM SKT21LS SKT21LMS
Chuck Size inch 8 8 8 8 8
Swing over the bed mm [in] 550 [21.7] 550 [21.7] 550 [21.7] 550 [21.7] 550 [21.7]
Maximum turning length mm [in] 410 [16.1] 530 [20.9] 530 [20.9] 530 [20.9] 530 [20.9]
Bar capacity mm [in] 65 [2.56] 65 [2.56] 65 [2.56] 65 [2.56] 65 [2.56]
Travel X mm [in] 210 [8.3] 210 [8.3] 210 [8.3] 210 [8.3] 210 [8.3]
Y          
Z 430 [16.9] 550 [21.7] 550 [21.7] 550 [21.7] 550 [21.7]
ZB       750 [29.5] 750 [29.5]
Main spindle speed rpm 4,000 4,000 4,000 4,000 4,000
Sub spindle speed rpm       6,000 6,000
Rapid Traverse X axis m/min [ipm] 36 [1,417] 36 [1,417] 36 [1,417] 36 [1,417] 36 [1,417]
Y axis          
Z axis 36 [1,417] 36 [1,417] 36 [1,417] 36 [1,417] 36 [1,417]
ZB axis       36 [1,417] 36 [1,417]
C axis     100   100
Power main Main kw [hp] 15/11 [20.1/14.7] 15/11 [20.1/14.7] 15/11 [20.1/14.7] 15/11 [20.1/14.7] 15/11 [20.1/14.7]
Sub       3.7/2.2 [5.0/3.0] 3.7/2.2 [5.0/3.0]
Design and Specifications are subject to change without prior notice.
 
Specifications: SKT21 / SKT21L / SKT21LM
ITEM SKT21 SKT21L SKT21LM
CHUCK Standard size inch 8 8 8
Bar capacity        
CAPACITY Swing over the bed mm [in] 550 [21.7] 550 [21.7] 550 [21.7]
Swing over the cross slide 350 [13.8] 350 [13.8] 350 [13.8]
Maximum turning diameter Turning 350 [13.8] 350 [13.8]  
Milling     255 [10.0]
Maximum turning length 410 [16.1] 530 [20.9] 530 [20.9]
Bar capacity 65 [2.56] 65 [2.56] 65 [2.56]
TRAVEL Axis X mm [in] 210 [8.3] 210 [8.3] 210 [8.3]
Y      
Z 430 [16.9] 550 [21.7] 550 [21.7]
ZB      
MAIN SPINDLE Maximum spindle speed rpm 4,000 4,000 4,000
Spindle nose   A2-6 A2-6 A2-6
Spindle bore mm [in] 78 [3. 07] 78 [3. 07] 78 [3. 07]
Maximum spindle torque kgf-m
[ft-lbs]
29.22 [211.3] 29.22 [211.4] 29.22 [211.4]
Speed drive   BELT BELT BELT
SUB SPINDLE Chuck size mm [in] N/A N/A N/A
Maximum spindle speed rpm      
Spindle nose        
Spindle bore mm [in]      
Bar capacity mm [in]      
Maximum spindle torque kgf-m
[ft-lbs]
     
Speed drive        
TOOL POST Type   NC Servo(B/H) NC Servo(B/H) NC Servo(VDI)
Number of tool EA 12 12 12
Tool Size O.D mm [in] 25 [1.0] 25 [1.0] 25 [1.0]
  I.D 40 [1 1/2] 40 [1 1/2] 40 [1 1/2]
Turret clamping force kgf-m
[ft-lbs]
3,390 [7,474] 3,390 [7,474] 3,390 [7,474]
Turret indexing time (1 face) sec. 0.2 0.2 0.2
MILLING TOOL Type   N/A N/A VDI40
Max. speed rpm     4,000
Motor power kw [hp]     3.7/2.2
FEED Rapid traverse rate X axis m/min [in] 36 [1,417] 36 [1,417] 36 [1,417]
Y axis      
Z axis 36 [1,417] 36 [1,417] 36 [1,417]
ZB axis      
C axis     100
TAIL STOCK Type   One touch One touch One touch
Quill bore taper   MT#4 MT#4 MT#4
Quill diameter mm [in] 56 [2.2] 56 [2.2] 56 [2.2]
Quill travel      
Tail stock travel 400 [15.8] 520 [20.5] 720 [28.3]
MOTOR Spindle Main kw [hp] 15/11 [20.1/14.7] 15/11 [20.1/14.7] 15/11 [20.1/14.7]
Sub      
Feed X/Z 3.0/3.0 [4.0/4.0] 3.0/3.0 [4.0/4.0] 3.0/3.0 [4.0/4.0]
Y/ZB      
Coolant      
Bed slant deg. 45° 45° 45°
Slide way   Roller guide Roller guide Roller guide
Power capacity Fanuc kVA 25 25 30
Siemens        
Floor space (LxW) Fanuc mm [in] 2,405 × 1,650 [94.7 x 65.0] 2,900 × 1,650 [114.2x65.0] 3,045 × 1,650 [119.9 x 65.0]
Siemens      
Weight kgf [lbs] 4,100 [9,039] 4,200 [9,259] 4,300 [9,480]
Controller STD FANUC 0iT FANUC 0iT FANUC 0iT
OPT FANUC 21iT FANUC 21iT FANUC 21iT
Design and Specifications are subject to change without prior notice.
 
Specifications: SKT21LS / SKT21LMS
ITEM SKT21LS SKT21LMS
CHUCK Standard size inch 8 8
Optional size      
CAPACITY Swing over the bed   550 [21.7] 550 [21.7]
Swing over the cross slide   350 [13.8] 350 [13.8]
Maximum turning diameter Turning mm [in] 350 [13.8]  
Milling   255 [10.0]
Maximum turning length   530 [20.9] 530 [20.9]
Bar capacity   65 [2.56] 65 [2.56]
TRAVEL Axis X mm [in] 210 [8.3] 210 [8.3]
Y    
Z 550 [21.7] 550 [21.7]
ZB 750 [29.5] 750 [29.5]
MAIN SPINDLE Maximum spindle speed rpm 4,000 4,000
Spindle nose   A2-6 A2-6
Spindle bore mm [in] 78 [3.07] 78 [3.07]
Maximum spindle torque kgf-m
[ft-lbs]
29.22 [211.4] 29.22 [211.4]
Speed drive   BELT BELT
SUB SPINDLE Chuck size mm [in] 135 [5] 135 [5]
Maximum spindle speed rpm 6,000 6,000
Spindle nose   Flat( 115) Flat( 115)
Spindle bore mm [in] 43 [1.69] 43 [1.69]
Bar capacity mm [in] 33 [1.3] 33 [1.3]
Maximum spindle torque kgf-m [ft-lbs] 2.4 [17.4] 2.4 [17.4]
Speed drive   SERVO SERVO
TOOL POST Type   NC Servo(B/H) NC servo(VDI)
Number of tool EA 12 12
Tool Size O.D mm [in] 25 [1.0] 25 [1.0]
  I.D 40 [1 1/2] 40 [1 1/2]
Turret clamping force kgf-m [ft-lbs] 3,390 [7,474] 3,390 [7,474]
Turret indexing time (1 face) sec. 0.2 0.2
MILLING TOOL Type   N/A VDI40
Max. speed rpm   4,000
Motor power kw [hp]   3.7/2.2
FEED Rapid traverse rate X axis m/min [in] 36 [1,417] 36 [1,417]
Y axis    
Z axis 36 [1,417] 36 [1,417]
ZB axis 30 [1,181] 30 [1,181]
C axis   100
TAIL STOCK Type   N/A N/A
Quill bore taper      
Quill diameter mm [in]    
Quill travel    
Tail stock travel    
MOTOR Spindle Main kw [hp] 15/11 [20.1/14.7] 15/11 [20.1/14.7]
Sub 3.7/2.2 [5.0/3.0] 3.7/2.2 [5.0/3.0]
Feed X/Z 3.0/3.0 [4.0/4.0] 3.0/3.0 [4.0/4.0]
Y/ZB    
Coolant    
Bed slant deg. 45° 45°
Slide way   Roller guide Roller guide
Power capacity Fanuc kVA 30 30
Siemens      
Floor space (LxW) Fanuc mm [in] 3,045 × 1,650 [119.9 x 65.0] 3,045 × 1,650 [119.9 x 65.0]
Siemens    
Weight kgf [lbs] 4,300 [9,480] 4,400 [9,700]
Controller STD FANUC 0iT FANUC 0iT
OPT FANUC 21iT FANUC 21iT
Design and Specifications are subject to change without prior notice.
 
 
 
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