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The CK Series heavy-duty flat-bed CNC lathe featuring a 755mm wide guide rail is a versatile heavy-duty metal cutting machine engineered for workshop production lines and facilities specializing in large-size component machining. Constructed with exceptional structural rigidity, it excels in heavy stock removal rough turning and ultra-precise finish turning operations. This machine accommodates oversized shaft and disk workpieces with a swing diameter spanning 1,000 mm to 1,600 mm, while the center distance can be fully customized from 500 mm up to 10,000 mm.
Certified with CE, ISO and SGS standards, it maintains consistent dimensional accuracy even during extended heavy-load cutting cycles. Distinct from conventional light-duty CNC lathes, this large-format turning center enables all-in-one multi-process machining, including internal and external cylindrical turning, taper cutting, complex revolving contour forming, and threading for multiple industry standards. Bespoke mechanical setups are offered to align perfectly with custom part drawing specifications provided by clients’ engineering departments.
The entire machine frame adopts integrated casting via resin-sand technology, forged with high-strength iron blanks. The monoblock bed eliminates assembly gaps, greatly boosting overall rigidity and anti-deformation performance. Even under 6-ton maximum workpiece load, the bed maintains stable geometric accuracy without deflection, extending long-term precision retention lifespan of the heavy-duty CNC lathe.
All guide rail surfaces receive ultrasonic frequency quenching treatment. High-frequency ultrasonic vibration uniformly heats metal surfaces, followed by precise cooling to refine internal metal microstructure. The finished guide rail features superior wear resistance, reducing surface abrasion during continuous carriage movement and preserving smooth sliding performance for years of mass production.
Turcite B low-friction wear-resistant material is pasted on contact areas between carriage and guide rail. It effectively lowers friction coefficient during X/Z axis rapid traversal, avoids crawling motion, protects both carriage and guide rail from abrasion, and stabilizes repeated positioning accuracy of the large shaft CNC lathe.
Our in-house technical team provides full tailor-made design services. Clients can adjust bed length, spindle power, turret stations and tailstock specifications fully according to production batch and workpiece dimension demands.
SPECIFICATION | UNIT | CK61100 | CK61125 | CK61140 | CK61160 | |
Capacity | Swing over bed | mm | 1000 | 1250 | 1400 | 1600 |
Swing over cross slide | mm | 610 | 850 | 1000 | 1200 | |
Spindle | Dstance between centers | mm | 500-10000 | 1500-10000 | 500-10000 | 1500-10000 |
Guideway width | mm | 755 | 755 | 755 | 755 | |
Max.load capacity | T | 6 | 6 | 6 | 6 | |
Spirdle bore | mm | 130 | 130 | 130 | 130 | |
Spirdle bore taper | Metric φ140/MT6 | Metric φ140/MT6 | Metric φ140/MT6 | Metric φ140/MT6 | ||
Spirde nose type | A2-15 | A2-15 | A2-1 | A2-15 | ||
Spirdle speed steps | 4 NF.4 steps/4 /HYD.4STEPS | 4 MF.4steps/4 /HYD.4STEPS | ||||
Spirdle speed range | rpm | 4-300 4-300 | 4-300 4-300 | |||
Chuck | mm | φ1000 Vφ10004-jaw manual | 1000 | |||
Turrct | Turrettool post | - | 4 NC turret 4 position | 4 NC turret4 position | ||
Taol shank size | mm | 40×40 | 40×40 | 40×40 | 40×40 | |
Feed | Yovis tayd | mm | 520 | 620 | 720 | 720 |
Zaxis trave | mm | 1250-9750 | 1250-9750 | 1250-9750 | 1250-9750 | |
Xaxis rapid traverse | mm/min | 4000 | 4000 | 4000 | 4000 | |
Zaxis rapid traverse | mmmin | 6000 | 6000 | 6000 | 6000 | |
Tailstock | Tailstock quilldiameter | mm | 160/260 | 160/φ260 | φ160/φ260 | 160/260 |
Tailstock qulltaper | MT6/80 | MT6/80 | MT6/80 | MT6/80 | ||
Tailstock quill travel | mm | 300 | 300 | 300 | 300 | |
Motor | Main spindlo motor | kW | 22/30/37 | 22/30/37 | 22/30/37 | 22/30/37 |
Coolant pump motor | kW | 0.25 | 0.25 | 0.25 | 0.25 | |
Dimension | Width x Height | mm | 2100×2100 | 2250×2300 | 2350×2450 | 2350×2600 |
Lengh | mm | 5000-14000 | 5000-14000 | 5000-14000 | 5000-14000 | |
Weight | Net wcight | T | 10-19 | 11-20 | 12-21 | 13-22 |
Please note: Machine bed length of heavy duty cnc lathe can customze according to real work demand. | ||||||
Perfect for processing large transmission shafts, hydraulic cylinder barrels and marine flange plates. The 6-ton maximum load capacity ensures stable rotation of oversized raw blanks, while high rigidity eliminates chatter marks during deep cutting.
Aerospace tapered connectors, spherical medical implant blanks and hydraulic valve bodies rely on this precision heavy CNC lathe for consistent taper angle and curved surface tolerance. The CNC control system supports complex custom tool paths for irregular rotary geometries.
Produce metric, imperial and special coarse/fine threads for construction anchor rods and heavy fasteners. Uniform spindle speed output guarantees stable thread pitch accuracy for mass structural part production.
We offer three packaging options: unpackaged, palletised and fully packaged.The primary modes of transportation for our deliveries are ocean shipping and overland transport.We wholeheartedly respect the preferences of every customer. From the moment an order is placed, our dedicated team carefully reviews and adheres strictly to each customer's specific requirements.experience.
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