Suited for large, heavy parts, Kellenberger® Kel-Varia CNC-controlled Machines have direct-drive workhead with infinitely variable spindle speed from 1–500 rpm and max weight capacity of 750 Nm/660 lb. Torque drive allows parts to be accelerated and braked with zero backlash during bidirectional movements. C-axis operation supports grinding of grooves and satellite/centering bores, while swiveling hydrostatic B-axis provides simultaneous interpolation of X, Z, and B axes with 0.00002° resolution.
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