Markus Seifert
Head Metrology Room
+49 9187 9522-622
+49 9187 9522-40
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Jürgen Stellwag
Metrology Room/DAkkS
+49 9187 9522-615
+49 9187 9522-40
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DAkkS Calibration

FRENCO offers DAkkS calibration certificates for toothed artefacts.

The laboratory of FRENCO GmbH was accredited by Deutsche Akkreditierungsstelle (DAkkS) according to DIN EN ISO/IEC 17025 as conformity assessment body for all essential gear features.

  • DAkkS Calibration of external involute, tooth trace and pitch artefacts
  • DAkkS Calibration of gears and splines for pitch, runout and dimension over pins
  • DAkkS Calibration certificate with detailed explanations (measurement uncertainties, measuring method etc.)
  • Factory calibration for artefacts which are outside the accreditation range

Measurement Uncertainties

The smallest measurement uncertainty to be indicated depends on the size of the artefact. The Measurement uncertainty (k=2) of DAkkS calibrations lies within the following range:

Profile Fα: 1.1 - 1.8 μm f: 0.9 - 1.6 μm f: 0.6 μm
Trooth trace Fβ: 1.1 - 1.8 μm f: 0.9 - 1.6 μm f: 0.7 μm
Pitch/ Runout Fp: 0.7 μm fp: 0.6 μm Fr: 1.0 μm
Dimension over measuring circles MdK: 1.2 μm

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