Accurate non-contact length measurement improves productivity and quality control

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To survive, manufacturers must become more efficient. The practice of including additional length due to inaccurate length measurements is analogous to giving money away. Contact counters have accuracies of 1 to 2 percent versus non-contact counters with better than 0.1 percent. This paper discusses Laser Doppler interferometer technology and the implementation to achieve highly accurate length and speed measurements.

Description

To survive, manufacturers must become more efficient. The practice of including additional length due to inaccurate length measurements is analogous to giving money away. Contact counters have accuracies of 1 to 2 percent versus non-contact counters with better than 0.1 percent. This paper discusses Laser Doppler interferometer technology and the implementation to achieve highly accurate length and speed measurements.

Additional information

Author(s)

Les Jenson and Brent Kiser, TSI Inc., USA

Publication/Event/Pages

Paper presented at WAI 73rd Annual Convention, Atlanta, GA USA

Year

2003