INETEC Institute for Nuclear Technology INETEC | Página 17
ORCA is an independent module, designed to provide remote
underwater ultrasonic examinations of reactor pressure vessel
nozzle to safe end, nozzle to pipe, and safe end to pipe welds.
KEY FEATURES
independent module for PWR inspections
installation/de-installation of the ORCA manipulator
by the use of remote docking system and the “jib” crane
located on the “refueling bridge”
underwater operation up to 20 m
IP protection level: IP 68
main air supply: 6 bar
power supply: 110 − 220 VAC, 50 − 60 Hz
operating voltage: 28 VDC
rotation speed: 15°/s
repetitive linear positioning accuracy: 0.2 mm
repetitive angular positioning accuracy: ± 0.2°
main axis controlled by resolvers
circumferential scan:
resolution 0.5 mm (put in deg. depend on nozzle ID value)
speed 90 mm/s (put in deg. depend on nozzle ID value)
axial scan:
resolution 1 mm
speed 60 mm/s
ROBOTICS
13