High-Speed Boring Spindle for CNC (DBR7 Series)

High-speed boring spindle for CNC machining centers. Optimized for precision boring of small diameters and high-RPM milling operations where standard spindles are inadequate.

Specifications: max speed 18,000-40,000 RPM (model-dependent), HSK-A63 taper, runout ≤ 0.003 mm at nose, bearing preload adjustable, internal labyrinth sealing. Air-driven or motor-driven options.

Typical applications: precision boring of small diameters (1-20 mm), high-speed milling of small features, mold detail machining, graphite and copper electrode machining.