HARDINGE COBRA 51 CNC TURNING CENTER

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20C Collet spindle
Spindle configuration ANSI A2-6"
Draw tube type Hydraulic
Round 20C collet (Through cap) 2.0"
Maximum turning length with collet 14"
Maximum machining diameter 8.25"
AC Digital spindle drive system
Torque rating (intermittent) 63 FT-LB
@1,666 RPM base speed
Torque rating (continuous) 47.2 FT-LB
@1,666 RPM Base speed
Speed range (1 RPM steps) 45 to 4,500 RPM
Carriage and cross slide
Maximum swing diameter over upper way cover 21.0"
Maximum X-Axis travel 7.75"
Maximum Z-Axis travel with collet 14.0"
Maximum X-Axis traverse rate 472 IPM
Maximum Z-Axis traverse rate 787 IPM
Maximum Z-Axis thrust 1,500 LBS
Vertical turret (Bi-directional)
Number of stations 12
Maximum square shank tool size 3/4"
Maximum round shank tool size 1-1/4"
Tailstock
Positioning Manual/Hydraulic quill
Morse taper center MT No.3
Travel of tailstock base 22.0"
Quill travel 4.0"
Maximum thrust @ 90 PSI 1,500 LBS
Cont. on
GENERAL SPECIFICATIOS
Miscellaneous
Compressed air requirement 70 to 90 PSI
5 to 6 SCFM
Coolant tank capacity 21 Gallons
Approx. shipping weight 6,200 LBS
Machine dimensions 91.69"L x 65.6"W x
68.1"H
Electrics 230 Volts, 3 PH, 60
CYC

MOTOR SPECIFICATIONS

Spindle motor 15 HP/20 HP (cont / .30-min)