SCANPEDIA

Glossary

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Here you'll find explanations and definitions of key technical terms from the fields of optics, scanner technology, laser technology and laser processing.

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R

Repeatability

Repeatability describes the precision of multiple moves to the same point within a short time period (from a few milliseconds up to five minutes).

During repeated moves to a position within a short time period (from a few milliseconds up to five minutes), deviations will occur between the repetitions. For a warmed-up system (warm-up: 30 minutes) with steady ambient temperature and operational conditions, the imprecision's standard deviation ( RMS ) lies within the specified range. Here, it is assumed that dither averages out.

Systems with digital encoders have clearly superior repeatability.