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High quality, perfectly spherical miniature balls

Balls

MPS Microsystems does everything possible to produce perfectly spherical balls. A ball, or a sphere, is manufactured from an extruded wire which takes several days. The skilfully developed heat treatment gives the stainless steel exceptional physical characteristics and a minimum hardness of 58 HRC. The final step is polishing. It guarantees a mirror-polished ball and precision exceeding all expectations.

Characteristics

  • Stainless steel balls
  • Diameters less than a millimetre, down to 0.150 mm
  • Grade 3
  • Minimum hardness 58 HRC
  • Sphericity tolerance 0.08 µm
  • Maximum variation in diameter of 0.13 µm

Download

  • Product catalogue
    PDF
  • MPS products for optics & photonics
    PDF
  • Solutions for the medical industry
    PDF
  • White paper - Innovation for active implants
    PDF


High quality balls despite their small size

MPS is a past master in making balls less than a millimetre in diameter and can even go down to 0.150 mm. These miniature balls produced meet ‘Grade 3’, the highest quality level defined by the ISO 3290/DIN 5401 standard.


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