Precision Boring Spindle for Hard Materials (SEM-DBR7)

Precision boring spindle engineered for hard material machining (HRC 60+). Reinforced bearing arrangement and thermal-stable housing maintain accuracy even during interrupted cutting operations.

Specifications: max speed 15,000-30,000 RPM, HSK-A63 taper, runout ≤ 0.002 mm at nose, reinforced P4-class bearings, thermal-stable spindle housing. Air purge and oil-mist lubrication options.

Typical applications: hardened steel (HRC 60+) boring and milling, interrupted cut machining, gear tooth profile machining, bearing race machining, precision mold detail work.