NDT.net - October 1998, Vol.3 No.10

Table of Contents ECNDT '98

Session: Nuclear Industry

Examination of core shroud welds

Jens Larsen*, Hans Kristensen & Leif Jeppesen

*Corresponding Author Contact:
FORCE Institute, Park Allé 345, DK-2605 Broendby, Denmark, +45 43 26 70 00, +45 43 26 70 11

jl@force.dk ; http://www.force.dk

TABLE OF CONTENTS


Introduction

Requirements to the manipulator

Requirements to the NDT system

3D CAD simulation of manipulator in reactor vessel

Manipulator construction - Hardware control system

Manipulator construction - Mechanical design

Description of the main components

Manipulator construction - Positioning system

Manipulator construction - Radiation resistance

Manipulator construction - NDT System


Fig. 1:
Longitudinal weld geoetry

Fig. 2:
Circumferential weld geometry at top flange (flange at left)

Fig. 3: Circumferrential weld geometry

Fig. 4:
Image form the PS-4 system with A-scan, P-scan and TOFT images displayed

Weld geometry covered

Flexibility

Conclusion

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