Used 2010 MIGHTY VIPER VTL-20/25M | Vertical Boring Mills (incld VTL)

Table Diameter inch/mm 78.75/2,000
Distance from Spindle end to Table 2" ~ 68"
Max. Turning Diameter inch/mm 4.50/2,400
Max. Swing Inch/mm 94.50/2,400
Max. Turning Height Inch/mm 59.2/1,500
Max. Mass of Work piece lbs/kg 44,000/20,000
Max. Torque of Table lbs-ft/NM 18,150/24,600
Max. Cutting Force Lbf /Newton 5,950/26,500
X axis Stroke Inch/mm 72.25/1,835
Z axis Stroke Inch/mm 39.37/1,000
Ram Size Inch/mm 9.06 X 9.06/230X230
Min. I.D. for Ram Pass Inch/mm 12.99/330
Rapid Traverse (X axis)
inch/min 472.5
mm/min 12,000
Rapid Traverse (Z axis)
inch/min 393.7
mm/min 10,000
Manual feed rate (X,Z axes)
inch/min 141.75
mm/min 0~3,600
Cutting feed per rev. inch/mm 0.0001~20 / 0.01~500
Cutting feed rate
inch/min 0.04~141.75
Mm/min 1~3,600
Table Speed (2 steps) rpm 0~55; 53~200
Cross rail Stroke Inch/mm 31.5/800
Cross rail Step inch/mm
X step
7.874 X 4/ 200 X 4
Tool Shank Size Inch/mm 1.26 X 1.26/ 32 X 32
Max. Tool size Inch/mm For turning, I.D. & O.D. 6.89/175
Table Main Motor HP 50/ 60 ( 30 Min./ Continuous )
X Axis Motor (AC Servo) HP 8.0
Z Axis Motor (AC Servo) HP 8.0
Cross rail Elevating Motor HP 7.5 X 5 Position
Power Requirement KVA 75KVA/ (3 phase, 208V )/ 200AMP
Machine Weight lbs./kg 68,640/31,200
For Standard VTL-20/24
ATC Magazine Capacity Number 12
Max. Turning Too Length Inch/mm 17.72/450

ATC Magazine Capacity Number 18
Max. Turning Tool Length inch/mm 17.72/450
Max. Drill Diameter inch/mm 1.97/50.04 ( Carbon Steel Work piece)
Max. Tap Diameter inch/mm 1.181/30 ( Carbon Steel Work piece)
Max. Torque of Drilling Ft-lbs/NM 145/196
Live Spindle Speed rpm 30-2,000
Positioning Accuracy – X/Z in/mm ± 0.0003/20 (±0.007/500)
Positioning Accuracy – X in/mm ± 0.0004/40 (±0.010/1000)
Positioning Accuracy – Z in/mm ± 0.0004/40 (±0.010/1000)
Positioning Accuracy – C in/mm ± 19 Arc seconds
Repeatability in/mm ± 0.00012/20 (±0.003)
Table Index Speed ( C axis) rpm 3
Live Spindle Motor HP(kw) 20/15 (15/11) ( 30 min/continuous)
Tool Taper No. 50 ( Big-Plus)
Pull stud P50T-2
Max. weight of tool holder Lbs/kg 110/50(1pce)
Dimension(LxWxH) inch/mm 208.86X 167.72 X 224.80 / 5305X4260X5710