Temperature Stabilization of an In-process Measurement System Based on Laser Triangulation and Applied at a Furnace

摘要

This paper presents a method to stabilize the temperature impact on an optical measurement system based on laser triangulation. The system was developed to provide geometrical information of steel rings obtained in hot environments (temperatures up to 900°C) for the verification of heat treatment simulations. The approach for temperature stabilization mainly consists of a fiber coupling with the laser source and a minimization of the frame which holds the optical components. Due to this modification, the systematic deviation could be reduced to the level of noise. The results achieved with the modified measurement system will be discussed and compared with previous findings.