Flat Bed CNC Lathe-LC 40

Flat Bed CNC Lathe

LC 40

Swing : 1020 mm (40") B.C. : 1200 ~ 8200 mm

Large‑bore, high‑torque flat‑bed lathe for OCTG (drill pipes, casings)
Cutting pass‑through steady‑rest slideways support railway axles and long shafts
Triple‑V guideways with auxiliary guide ensure rigidity for marine/heavy‑industry shafts and energy‑sector rotating components

INQUIRY

Capacity
Swing over Bed	1020 mm (40”)
Swing over cross slide	610 mm (24”)
Center height	520 mm (20.5”)
Distance between centers	1200 (47.2”) / 2200 (66.6”) / 3200 (126”) /4200 (165.4”) / 5200 (204.7”) / 6200 (244.1”) /7200 (283.5”) / 8200 mm (322.8”)
Bed width / Auxiliary guide	560 mm (22”) / 710mm (27.95”)
Width of cross slide	380 mm (15”)
Width of carriage	885 mm (34.8”)
Spindle
Spindle speeds / A2-11(6")	11~600 rpm ( Opt. 12~800 rpm)
Spindle speeds / A2-15(9")	11~450 rpm ( Opt. 12~600 rpm)
Spindle speeds / A2-20(12")	11~400 rpm (12”), 11~300 rpm (14.5”)
Spindle speeds / A2-20(14")	11~400 rpm (12”), 11~300 rpm (14.5”)
Spindle center	MT6
Carriage
Turret	H4-250 or V8 Hydraulic
Tool size	32 x 32 mm (1.25”)
X axis Travel	530mm (20.9”)
Z axis Travel	1200 mm (47.2”) ~ 8200mm (322.8”)
X axis rapid travel, Ball screw dia.	6M / min dia. 40 mm x P5
Z axis rapid travel, Ball screw dia.	6M / min, 1M-5M (dia. 63 mm x P10),6M-7M (dia. 80 mm x P10), 8M-10M ( Rack and Pinion Driver)
Tailstock
Quill diameter	Dia. 185 mm (7.3”) Rotating quill, Opt. dia. 250 mm (9.8”) / 350 mm (13.7”)
Quill travel	250 mm (9.84”) / Opt. 300mm (11.8”) for tailstock quill diameter 350 mm
Quill taper	MT6
Motor
X axis servo motor	FANUC αiF22 4 kw
Z axis servo motor	1-4M FANUC αiF22 4 kw, 5-7M FANUC αiF22 4 kw (Gear box)8-10M αiF40 6 kw (Rack and Pinion Driver)
Spindle motor	FANUC αiI 18 18.5 / 22 kw(Opt. 22 / 26 kw, 30 / 37 kw, 37 / 45 kw)
Lubricant pump motor	25 W
Coolant pump	0.845 kw
Hydraulic pump	2.25 kw
Machine weight
1000 mm center distance	10500 kgs
Each extra 1000 mm weight	1000 kgs

※ The specifications are subject to change without prior notice.

The Flat Bed CNC Lathe – LC 40 is engineered for heavy-duty turning of large workpieces, offering a swing-over-bed capacity of 1,020 mm (40″) and a center height of 520 mm (20.5″).With rigid flat-bed box-way construction, a powerful spindle system and support for long machining lengths (up to 6,200 mm or more), it is ideally suited for demanding industrial applications such as energy equipment, shipbuilding, and heavy fabrication.

Designed for flexibility and efficiency, the LC 40 supports extended bed lengths and comes with optional accessories such as hydraulic tailstock, steady/follow rests, chip conveyors and C-axis indexing. Whether machining oversized rollers, large flanges or long shafts, this model delivers the durability, precision and productivity necessary for modern heavy turning tasks.

Features

1. High Torque Gearbox
1:133 gear ratio (M41) with full horsepower at 11 rpm, M code 4 step auto gear shifting, hardened and precision ground gears.
2. Large Bore, Rigid Spindle
Three point bearing support with 6″/9″/12″/14.5″ bores; optional twin chuck configuration, with manual 4 jaw/3 jaw/pneumatic chucks at front and rear.
3. Ultra Rigid Bed & Guideways
One piece casting with triple V guideways plus an auxiliary guide; bed slideway width 710 mm (incl. auxiliary); individual and final dynamic balancing of rotating parts.
4. Long Travel Precision Z Axis
REDEX preloaded pinion + GUDEL precision rack with linear scale (8–12 m); plus Z axis 1:4 gear box torque boost and extra ball screw supports for long strokes.
5. High Accuracy Rotating Quill Tailstock
A2 nose rotating quill with ≤0.005 mm runout, collision/backward protection, and optional Ø250 / Ø350 mm quill sizes for higher rigidity.