1. A036_e
Laser-optical displacements sensors
optoNCDT
Thickness monitoring on straightening plants details
Technical
- Measuring range: ± 50 mm
Optical laser displacement sensors are employed in
- Accuracy: ± 1,5 mm
front of the inlet for panels on straightening plants to
- Resolution: 0,10 mm
prevent damage to the plant. The sensors enable the
- Band width: quasi static
detection of double sheets and an accurate
- Base distance: 670 mm
acquisition of upright edges.
For this task a sensor is mounted above and below
the moving panels. Irrespective of the actual position
Measurement system
of the panels, the accurate material thickness is
2 x ILD 2010-500 - Laser-based optical
obtained by simple coupling of the synchronously
displacement sensor
measured distance values from both sensors. The
2 x SGH2010 - Protective housing
sensors are mounted in a protective housing. The
glass guard is flushed with oil-free compressed air in
Further processing depends on requirements:
order to prevent deposits.
- Analog or computer-aided system with linearity
monitoring.
Ambient conditions
- Temperature: Room temperature
Reasons for the system selection
- Medium: Harsh ambient
- Non-contact and wear-free
Dirt, scale
- Large base distance with a small measuring spot
- High accuracy even with different steel surfaces.
- Visible laser - Protection Class 2
Principle
Sensor 1
Sensor 2
Picture: SMS Schloemann-Siemag AG, Düsseldorf
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