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Double flank gear roll testing

Double-flank gear roll testing is a method of quick, reliable and inexpensive measuring of gears. It helps you indetify damaged parts in your batch, provides with data of double-flank deviations, fluctuation of axis distance as well as information of the radial runout.

Following deviations are measured and evalutated:

  • Fi" - total composite error
  • fi" - tooth to tooth composite error
  • Fr" - average value of radial runout


Other measurable and evaluable devations:

  • j     - backlash
  • Aa" - fluctuation of axis distance
  • Mz" - measure over teeth
  • Mdk" - Measure over pins/balls

Double-flank gear roll testing inspects your gears flanks (left and right) simultaneously with constant force in radial direction. Tooth error(s) causes deviation of axis distance which is evaluated by well-known standards (DIN, ISO, AGMA, JIS, JGMA, BS, etc.).

Software screen shots

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