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28" X 40" ACRA MODEL CET2840 HOLLOW SPINDLE CNC FLAT BED LATHE WITH FANUC OITF CONTROLLER:
• One piece box type machine base made of Meehanite castings, all bedways are hardened and ground which provides high hardness, rigidity and durability.
• Integrate design of machine body and electrics, convenient for operation and maintenance.
• Large Spindle Bore supported by 3-point precision bearing which is suitable in accuracy and heavy cuttings. 4”, 6″, 9″ is an option.
• Spindle speed is controlled automatically by hydraulic system, 4 stages variable speed changing will ensure full horsepower output even under low spindle RPM.
• Special Coolant System for headstock will reduce the temperature of spindle.
• New Design Tailstock will make the tailstock slide more smoothly and eliminate the wearing as well as provide security in operating. This innovation includes a security devise to ensure operator safe even under a wrong operating.
• C-Axis (Live Tooling) is able to make spindle high precision index position, fitted with power tooling turret, will complete with “turning” and “milling capacities”.
Fanuc Series Oi-TF Controller features:
• Arbitrary Speed Threading & Thread Repair.
• Threading Retract.
• Balanced Cut.
• Dual-Path Synchronization.
• Tool-Nose Radius Compensation.
• Multiple Repetitive Cycles.
• Canned Cycles for Drilling.
• High-Speed Rigid Tapping.
• Standard, Multi-Lead & Variable Lead Threading Cycles.
• Polar Coordinate Interpolation for C-axis / Y-axis / Live Tools with Cutter Radius Compensation.
• G54-G59 Plus 48 Additional Workpiece Coordinate Offsets.
• Lathe G-code systems A/B/C.
• Chamfering / Corner R.
• Direct Drawing Dimension Programming.
• Programmable Data Input.
• Threading Cycle.
• Polar Coordinate Command.
• 400 Tool Off sets Pairs.
• Tool Life Management.
• Tool Length Measurement.
• Helical Interpolation.
• Mirror image for Double Turret.
• Polygon Turning.
• High-Speed Skip for Probing.
Swing Over Bed: 28”
Swing Over Cross Slide: 17.7”
Width of Bed: 18”
Distance Between Centers: 40”
Spindle Bore: 4”
Spindle Nose: A2-8
Range of Spindle Speeds: 3 – 1200 RPM
Number of Spindle Speeds: 2
Turret: Number of Tool Stations: H4/ H6/ V8
O.D. Tool Shank Size: 1” x 1”
I.D. Tool Shank Diameter: 1.57”
Cross Slide Travel (X-Axis): 15.7”
Longitudinal Travel (Z-Axis): 39.3”
AC Servo Motor: X-Axis (4 HP)/ Z-Axis (5.4 HP)
Rapid Feed: X-Axis (393 ipm)/ Z-Axis (315 ipm)
Cutting Feed Rate: 0.0004”~20”/rev.
Quill Diameter: 3.47”
Quill Travel: 9”
Taper of Center: MT#5
Main Spindle (cont.): 20 HP
Main Spindle (30 min. rating): 25 HP
Hydraulic Pump: 2 HP
Coolant Pump: 0.5 HP
Voltage: 220V~3 Phase
Weight 18,290 lbs
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