DETAIL DESIGN, MANUFACTURING AND TESTING OF HELIUM VESSEL FOR HIE-SOLDE CRYOGENIC
NOVEMBER 2013 - JANUARY 2015
CERN, SWITZERLAND / FRANCE
Scope
DETAIL MANUFACTURING DESIGN
PURCHASING OF RAW MATERIAL
CUTTING, BENDING AND ROLLING
WELDING
NON DESTRUCTIVE TESTS
FINAL MACHINING
LASER DIMENSIONAL CONTROL
SURFACE TREATMENT (ELECTROPOLISHING, PICKLING and PASSIVATION)
ULTRASONIC BATH CLEANING
HELIUM LEAK and PRESSURE TEST
FINAL SITE TRANSPORTATION
Technical Specifications
MATERIAL: 316L (INOX AUSTENITIC STEEL)
VACUUM TIGHT WELD ACC. ISO 5817 QUALITY “B”
25% RADIOGRAPHIC TESTING ACC. EN 1435
LEAK TESTING ACC. EN 13185
– VACUUM: 10-5 mbar
– GOBLAL LEAK RATE < 1 x 10-8 mbar.l/s
CLEANING COMPATIBLE WITH ULTRA-HIGH VACUUM AP-PLICATION
HIGH TOLERANCES FOR FINAL MACHINING
– 0,05 mm IN POSITIONING and PLANITY
Project
Photos
