Gear and Spline Inspection

The FRENCO laboratory offers services on all aspects of gear and spline measurment.

  • Individual form inspection on internal and external gears and splines with involute, serration and straight-sided flanks
  • Worm measurement
  • Location of functional surfaces (cylinders, plane surfaces etc.) in relation to the gear axis
  • Topography measurement
  • All-tooth measurement
  • Roughness and contour measurement
  • Max. tip diameter 400 mm
  • Max. workpiece length 650 mm
  • Min. module 0.1 mm external gears / 0.3 mm internal gears

Your Contact


Wear Measurement

Monitoring to determine wear and damage

  • For any inspection equipment with internal or external teeth (spline gauges, master gears etc.)
  • Monitoring according to VDI 2618 – Sheet 1
  • Cleaning and demagnetisation
  • Removal of smaller damages
  • Size inspection by hand or the Abbe-type length comparator
  • Issuing of an inspection certificate (also as PDF at Inspection Certificate Download)
  • Detailed documentation (incl. traceability and measurement uncertainties)
  • Delivery approx. 2 weeks from goods inward
  • Expedited delivery at extra costs
  • Creation of an inspection equipment drawing at extra cost

Cause Analysis

Comprehensive analysis besides quality assessment

  • All-tooth measurement (several profiles and tooth traces per tooth)
  • Evaluation by FRENCO software REANY (Reality Analysis)
  • Calculation of the topological errors on all tooth flanks
  • Detailed analysis of the superimposed, systematic deviations
  • Discussion of results by FRENCO specialists
  • Compilation of relevant information in a documentation
  • One-day workshop at FRENCO to achieve sustainable results (recommended)
  • Or: Evaluation of standard measurements with special analysis software

We are happy to help you to improve the quality of your workpieces in the long term.