New DF-Threadmaster FBL 500 Series | Lathes, Oil Field & Hollow Spindle

DF-Threadmaster Heavy Duty Slant Bed CNC Oil Country Lathes – FBL 500 Series. Available with and without live tooling. 7-3/4", 12-1/2" & 14-15/16" Hole thru the spindle. 120" & 160" Centers
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The FBL Series Heavy Duty CNC Lathe Machine is engineered for large-diameter turning, heavy cutting, and demanding industrial applications. Equipped with a 4-speed gearbox spindle and a 45kW high-torque spindle motor, this CNC heavy duty lathe delivers the power and stability required for machining oversized and hard-to-cut workpieces.
The slant bed structure with a low center of gravity ensures safer handling of large components while enhancing chip removal efficiency, preventing thermal deformation during continuous heavy-duty operation. With superior rigidity and optimized design, the FBL heavy duty CNC machine guarantees precision, reliability, and long-lasting performance.
Key Features of Our Heavy Duty CNC Lathe
• Powerful Gearbox Spindle – 45kW motor increases torque for heavy cutting of large workpieces.
• Large Bore Capacity (196mm, 320mm & 381mm) – Handles a wide variety of machining applications.
• Slant Bed Design with Low Center of Gravity – Enhances stability and chip evacuation.
• Ø200mm MT6 Rotary Quill Tailstock – Provides superior rigidity and higher load capacity.
• Hydraulic Tailstock Movement – Ensures smooth positioning and improved productivity.

Specifications FBL-510 FBL-520 FBL-530 FBL-540 FBL-510MC FBL-520MC FBL-530MC FBL-540MC
Swing over bed mm 1136 1000 1000 1000 1136 1000 1000 1000
Max. cutting diameter mm 940 940 940 940 880 880 880 880
Max. cutting length mm 1050 2000 3000 4000 1050 2000 3000 4000
Through spindle hole diameter mm 196 / 320 / 380 196 / 320 / 380 196 / 320 / 380 196 / 320 / 380 196 / 320 / 380 196 / 320 / 380 196 / 320 / 380 196 / 320 / 380
Spindle 　 　
Spindel speed rpm 1000/500 1000/500 1000/500 1000/500 1000/500 1000/500 1000/500 1000/500
Spindle nose ASA A2-15/A2-20 A2-15/A2-20 A2-15/A2-20 A2-15/A2-20 A2-15/A2-20 A2-15/A2-20 A2-15/A2-20 A2-15/A2-20
Chuck size inch 18~24 18~24 18~24 18~24 18~24 18~24 18~24 18~24
Spindle motor kW 37/45 37/45 37/45 37/45 37/45 37/45 37/45 37/45
Turret 　 　
Number of tools 12 12 12 12 12 12 12 12
Turning tool size mm 32x32 32x32 32x32 32x32 32x32 32x32 32x32 32x32
Boring tool size mm 60(80) 60(80) 60(80) 60(80) 60(80) 60(80) 60(80) 60(80)
Travel 　 　
X axis travel mm 490 490 490 490 490 490 490 490
Z axis travel mm 1050 2000 3000 3000 1050 2000 3000 4000