Flat Bed CNC Lathe-FA70N

Flat Bed CNC Lathe
FA70N
FA70N
Swing : 1800 mm (70") B.C. : 2150 ~ 14150 mm
  • For any industry that needs to machine large, heavy, long, and high-load workpieces, the FA-N series is the best heavy-duty cutting solution.
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Capacity
Swing over Bed 1800 mm (70”)
Swing over cross slide(Half length) 1465 mm (57.6”)
Swing over cross slide(Full length) 1370 mm (53.9
Center height 910 mm (35.8”)
Distance between centers 2150 - 14150 mm (84”) - (557”)
Bed width / Auxiliary guide 1020 mm (40”) / 1170 mm (46”)
Width of cross slide 420 mm (16.5”)
Width of carriage 950 mm (37.4”)
Spindle
Spindle speeds / A2-11(6") 9-585 rpm ( Opt. 12-800 rpm )
Spindle speeds / A2-15(9") 9-450 rpm ( Opt. 12-600 rpm )
Spindle speeds / A2-20(12") 9-400 rpm
Spindle speeds / A2-20(14") 9-300 rpm
Spindle speeds / A2-28 (16") 6-250 rpm
Spindle speeds / A2-28 (21") 6-220 rpm
Spindle center MT6
Carriage
Turret H4-450 Servo or V8 Hydraulic
Tool size 32 x 32 mm (1.25”)
X axis travel(Half length cross slide) 600 mm (23.6”)
X axis travel(Full length cross slide) 900 mm (35.4”)
Z axis Travel 2150 mm (45.3”) – 14150 mm (557”)
X axis rapid travel, Ball screw dia. 6M / min, dia. 40 mm x P5
Z axis rapid travel, Ball screw dia. 6M / min,1-5M (dia. 63 mm x P10); 5M / min, 6-7M (dia. 80 mm x P10)5M / min, 8-14M (Rack and Pinion Driver)
Tailstock
Quill diameter Dia. 250 mm (9.84”) Opt. dia. 350 mm (13.7”)
Quill travel 250 mm (9.84”) / Opt. 300 mm (11.8”)
Quill taper MT6
Motor
X axis servo motor FANUC αiF22 4kw
Z axis servo motor 2-3M FANUC αiF22 4 kw, 4-7M FANUC αiF22 4 kw (Gear Box)8-14M FANUC αiF40 6 kw (Rack and Pinion Driver)
Spindle motor FANUC αiI 30 30 / 37 kw (40 / 50 HP)
Lubricant pump motor 25 W
Coolant pump 1.2 kw
Hydraulic pump 2.25 kw
Machine weight
2000 mm center distance 20400 kgs
Each extra 1000 mm weight 1500 kgs
※ The specifications are subject to change without prior notice.

The FA70N Heavy Duty Flat Bed CNC Lathe is engineered for manufacturers machining exceptionally large, long, and heavy workpieces that require outstanding rigidity, high torque, and reliable machining accuracy. Featuring a maximum swing over bed of 1,800 mm and distance between centers ranging from 2,150 mm to 14,150 mm, the FA70N provides exceptional capacity for turning oversized shafts, rollers, pipes, flanges, pressure vessels, and other heavy industrial components.

Built with a heavy-duty one-piece cast bed, an ultra-rigid four-guideway plus auxiliary guideway structure, and a high-rigidity spindle system, the FA70N delivers outstanding stability during demanding roughing and finishing operations. Its automatic multi-speed gearbox provides high torque across a wide spindle speed range, enabling efficient material removal while maintaining consistent machining accuracy under continuous heavy-duty cutting conditions.

To maximize production flexibility, the FA70N features a quick-change machining system that supports a turret, milling head, heavy-duty boring bar holder, and grinding head for multi-process machining on a single platform. Combining exceptional structural rigidity, large workpiece capacity, and versatile machining capability, the FA70N is an ideal solution for manufacturers in the energy, shipbuilding, steel processing, mining, and heavy machinery industries requiring dependable performance for large-part turning applications.

Features
1. Ultra-High Gear ratio Gearbox
New gear ratio design with automatic 4 step gear change. All gears with hardness and high accuracy grinding.
2. Large Spindle Bore with High Rigidity Headstock
Three point spindle bearing support for spindle with optional 6”–21” large spindle bores, suitable for oil country applications.
3. Ultra Rigid Bed with 4 Slideways + Auxiliary Guideway
One piece heavy casting design featuring four slideways plus an auxiliary guideway for maximum stability when machining large diameter workpieces.
4. High Accuracy pinion gears and rack for Long travel Z Axis System
To guarantee high repeatedly and positioning accuracy, the Z axis is moved by high precision France made double helical REDEX patented preloading system pinion gears and GUDEL brand Switzerland made high precision rack + linear scale for BC 8-12M.
5. Quick Change System for Multi Process Machining
One button to chang between turret, milling head, heavy duty boring bar holder, grinding head, and more—allowing one machine to perform multiple tasks and greatly boost flexibility.
Full power output at low spindle speed
High torque (166 times of spindle motor torque)

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