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1-OKUMA LFS15-2SP ROBUSTURN TWIN SPINDLE CNC 4 AXIS DUAL TURRET TURNING CENTER WITH GANTRY LOADER. MACHINE SERIAL NUMBER 11010095 DATE OF MFG. 1999 STK# 101837 ======================================================== SPECIFICATIONS SUBJECT TO VERIFICATION: As taken from okuma brochure. MACHINE SPECIFICATIONS ROBUSTURN LFS15-2SP Capacity Inch (metric) Number of controlled axes 2 x 2 Swing around spindle 13.78" (350 mm) Maximumdiameter (standalone*) 13.78" (350 mm) Max. turning diameter with loader 5.91" (150mm) Maximum recommended turn diameter: 5.91" (150mm) * Turning torque should not exceed either the available work holding grip force nor the available turning torque required. . Max. recommended work length w/loader 3.94" (100mm) Max. recommended work length** 4.50" (100mm) ** may vary based on workholding selected Max. effective Z axis stroke 6.30" (160mm) Max. recommended allowable weight on spindle 250 lbs Headstock & Main Spindle Spindle nose ASA A2-6 Spindle diameter at front bearing 3.92" (100mm) Bore diameter 2.44" (62mm) Internal taper 1/10 Range of spindle speed 35 - 4500 rpm Number of spindle speeds Auto 2 ranges Cross-Slide (X-axis) & Carriage (Z-axis) Cross-slides travel X-axis 9.84" (250mm) Longitudinal travel Z-axis 16.93" (430mm) Servomotor X-axis 2.7 hp, brushless Z-axis 4 hp, brushless Rapid-traverse speed X-axis 787 ipm Z-axis 787 ipm Cutting feedrate, X and Z 0.0001 thru 39.37" in/rev MACHINE SPECIFICATIONS ROBUSTURN LFS15-2SP Turrets Inch (metric) Type and No. of tool stations N.C. non lift / Unslotted /V12 Tool size: O.D. Type 1" x 1" (25mm x 25mm) Max. I.D. Bar 1.5" (40mm) Turret size (across flats) Size of index coupling Turret clamping force 7,800 lbs Turret index time 0.3 seconds Tool Clamp Type Wedge Clamp Electric Motor Main spindle drive motors,VAC 15 hp 30 min.,(Variable speed AC drive) VAC 10 hp cont. duty Hydraulic oil pump motor 2 hp Coolant pump motor .333 hp Tank Capacity Hydraulic power unit 14 gal. Coolant reservoir 26 gal Lubrication tank 0.79 gal ( 3 lit) Total Height 70.43" (1790mm) Approx. Weight of Machine 16,000 lbs Equipped with: 2-8" 3 jaw chucks chip conveyor U100L CNC Controls Okuma has built the ROBUSTURN Lathe from proven design criteria. This makes the ROBUSTURN a powerful and accurate tool for machining chuck work in a variety of lot sizes. The ROBUSTURN Lathe, servo drive units, spindle motor and patented encoder positioning device are all designed and built by Okuma. This total engineered system assures consistently high performance over an extended work life.