Precision Ball Rings

  • Standard set of high precision ball rings in wooden box ranging in sizes (diameters):
    7.8 mm, 14 mm, 20 mm, 28 mm, 38 mm, 60 mm, 90 mm, 120 mm
  • Optional: 48 mm, 75 mm, 150mm, 225 mm
  • Position accuracy of balls:
    ± 0.5 microns for diameters up to 60 mm;
    ±1 micron for diameters exceeding 60 mm.
  • High precision hard metall balls: Sphericity less than ± 0.1 microns

Dimensions and Weights

  • Mainframe: Dia. 90 x 260 mm (6.5 kg)
  • Digital display: 240 x 240x70 mm (1.5 kg)
  • Wooden box incl. ring set: 380 x 300 x 70 mm