DST300H Double-Arm Dual Swing Head
Key Features
• Flagship heavy-duty spindle. The 300 N·m spindle (S1 duty) delivers 54 kW of power with a low temperature rise, covering heavy roughing and precision finishing in the same setup.
• High-torque A and C axes. The A-axis provides 1700 N·m of torque and the C-axis 3200 N·m, with brake torques of 4000 N·m and 5000 N·m respectively, for reliable heavy cutting and rigid holding.
• Permanently consistent accuracy. The self-backlash-eliminating, closed-loop drive keeps accuracy constant for life, with ±3 arcsec repeat positioning and ±5 arcsec positioning accuracy.
• Large HSK100 tool interface. The HSK100 interface supports heavy tool loads and large cutting depths.
• Compact and highly rigid. The double-arm integrated structure keeps the head small and light, with special needle-roller bearings and a reinforced YRT-bearing mounting for maximum rigidity.
• Tool-drop prevention. Self-locking A/B axes prevent the tool from dropping during power-off or commissioning abnormalities, protecting the workpiece, spindle and head.
• Long service life. The design life is 30,000 hours (S1 duty), more than three times that of conventional products.
• Universal compatibility and low maintenance. The two mounting modes match mainstream swing heads and are fully interchangeable; the head uses standard lubricating oil and is maintenance-free for life.
Technical Specifications
Applications
The DST300H is designed for gantry machines, vertical and horizontal machining centers, and turn-mill centers. Applications include:
• Aerospace — blades and link components machined from titanium alloy with five-axis linkage
• Automotive — lamp housings
• Mechanical engineering — turbines and shafts
• Fluid and hydraulic systems — coupling flanges
With its high rigidity and multi-axis motion, the head supports complete six-face machining and five-axis linkage, with proven results across these industries.
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