Laser Wire Rods Bars Diameter Measuring System
Location: (Wuhan, Hubei, China)
Overview
The non-contact diameter measuring system, is mainly used in the measurement of the outer diameter of various wire rods, bars, wires and pipes. The system can detect the change of the diameter (outer diameter) of the measured object in real time under the high temperature state.
The working principle
The diameter measuring system takes the laser scanning method as an example. It adopts the probe imported from Japan, which can achieve±2um accuracy at the range of 0.3~30mm. The acquisition frequency reaches 2000 times/second. The probe uses a self-excited infrared light source, which overcomes the measurement problem in dim environments.
It adopts the measurement method of pulse parallel light scanning, and has a strong ability to resist the jitter of the measured object. (As shown in Figure 1) Since the shaking frequency of the measured object is much smaller than the scanning frequency, when the measured object A moves in the shakeable area, the measurement result will be able to ensure its accuracy because the time it blocks the beam does not change.
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