Turning – Process of turning
Patent
1985-08-07
1987-03-10
Husar, Francis S.
Turning
Process of turning
82 4C, B23B 500
Patent
active
046482946
ABSTRACT:
Machine for machining a groove round the external periphery of the base of a nozzle and notably enabling the back of a weld to be reworked from the outside when a nozzle is being installed on a nuclear reactor vessel.
The machine comprises a cylindrical drum (5) in two parts (41, 45) equipped with locking and position-holding shoes (6), a machining head driven in rotation by means of a gear ring (9) and a pinion (17). The cylindrical drum (5, 41, 45) is locked and held in position with respect to the nozzle (1) by means of an intermediate coupling ring (23) secured by screws (31) to the nozzle (1) and by the locking shoes (6) fixed to hydraulic rams (47).
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Charpentier Jacques
Jacquot Alain
Framatome
Husar Francis S.
Kearns Jerry
SKF Compagnie d'Applications Mechaniques
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