ST Series ST3520

The ST3520 CNC Turning Center delivers precision and power designed for long-part machining. It features a generous swing-over-bed capacity of 600 mm, with turning lengths up to 2,000 mm and a standard diameter of 350 mm—perfect for handling larger workpieces. Its spindle is driven by a formidable 15 / 18 kW motor, accommodates bar stock up to 70 mm, and operates on spindle speeds ranging from 50 to 2,000 RPM. Equipped with an eight-station CLT-125 turret, it accepts tooling up to 32 × 32 mm and supports boring bars up to 50 mm in diameter. Travel ranges include 220 mm in the X-axis and 2,050 mm in the Z-axis, both supported by durable linear motion guides, providing both reach and rigidity.

Built to deliver both accuracy and automation, the ST3520 achieves positioning precision of 0.015 mm and repeatability of 0.01 mm. Its overall footprint spans approximately 4,260 × 1,870 × 1,950 mm (L × W × H), with a weight near 7,000 kg, ensuring exceptional stability. The machine comes standard with key accessories like a hydraulic chuck, foot switch, and patrol light, while optional upgrades include a chip conveyor, bar feeder, steady rest, auto door, hydraulic collet chuck, and stabilizer. Available with multiple CNC control systems, it integrates smoothly into diverse production environments.

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