Variations in Ceramic Balls and Common Applications

SCERAM is a specialist in the production of ceramic precision balls (Figure 1). The company has designed a special grinding technique to facilitate fast production. The company is capable of producing up to one million ceramic precision balls, annually, in any diameter.

Ceramic Precision Balls.

Figure 1. Ceramic Precision Balls.

SCERAM offers precision balls using different materials, including Alumina balls, Sapphire balls, Si3N4 balls, ZrO2 balls, Glass balls, Ruby balls, and much more. The company also offers different grades based on materials, as listed in the following table:

Grade Variation in the diameter of the ball VDWS Spherical Deviation Roughness Ra
3 0.08 0.08 0.012
5 0.13 0.13 0.02
10 0.25 0.25 0.025
16 0.4 0.4 0.032
20 0.5 0.5 0.04
28 0.7 0.7 0.05
40 1 1 0.08
60 1.5 1.5 0.1

SCERAM offers a wide selection of dimensions and materials, as listed in the following table:

MATERIALS RANGE OF DIAMETERS AVAILABLE GRADES
CERAMIC BALLS
Silicon Nitride (Si3N4) ¢0.400MM~¢63.500MM G5~G200 (standardG5 )
Zirconia Oxide (ZrO2-Yttria) ¢0.800MM~¢63.500MM G5~G200 (standardG10)
Alumina (Al2O3->99.5%) ¢1.000MM~¢75.525MM G10~G200 (standardG28)
Silicon Carbide (SiC->99.7%) ¢1.588MM~¢15.875MM G5~G200 (standardG20)
GLASS BALLS
Soda Lime (Density at 2.3) ¢1.500MM~¢6.350MM G100~G500 (standard G100)
Borosilicate (Density a 2.23) ¢1.500MM~¢19.050MM G100~G500 (standardG100)
Colored Borosilicate (Densité a 2.23) ¢1.500MM~¢19.050MM G100~G500 (standardG100)
SPECIAL BALLS
Ruby ¢1.000MM~¢6.350MM G100~G500
Sapphire ¢1.000MM~¢6.350MM G100~G500
STEEL / ALLOYS
Tungsten Carbide (TC-YG6,YN6) ¢1.000MM~¢63.500MM G10~G200
Titanium Carbide (28TiC) ¢1.000MM~¢31.750MM G10~G200
Chrome steel (GCr15,52100) ¢1.000MM~¢31.750MM G10~G500
Stainless steel 440C ¢0.500MM~¢50.800MM G10~G500
Stainless steel 304,316,316L ¢0.500MM~¢50.800MM G10~G500

Applications of Ceramic Precision Balls

The following are the applications of ceramic precision balls:

  • Special geometer tools
  • Ceramic and hybrid bearings
  • Medical implants
  • Ball pen
  • Machine tool probes
  • Cosmetic roll’on applicators – SCERAM has been working for the major cosmetic brands, creating novel cream and cosmetic fluid applicators.

SCERAM tries to keep on stock some amount of balls in every dimension in order to facilitate fast delivery services for these precision ceramic, sapphire, ruby, and glass balls.

This information has been sourced, reviewed and adapted from materials provided by Sceram Ceramics.

For more information on this source, please visit Sceram Ceramics.

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